Add an easy means of passing in extra cflags, cxxflags, ldflags from the environment

61 files changed, 190 insertions, 190 deletions

diff --git a/mkspecs/aix-g++/qmake.conf b/mkspecs/aix-g++/qmake.conf
index cbd4424..5eb2f5e 100644
--- a/mkspecs/aix-g++/qmake.conf
+++ b/mkspecs/aix-g++/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    =
+        QMAKE_CFLAGS    = $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -25,7 +25,7 @@ QMAKE_CFLAGS_THREAD	= -D_THREAD_SAFE
 
         QMAKE_CXX       = g++
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -45,7 +45,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = g++
         QMAKE_LINK_SHLIB= g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/aix-xlc-64/qmake.conf b/mkspecs/aix-xlc-64/qmake.conf
index 78be355..bdbec01 100644
--- a/mkspecs/aix-xlc-64/qmake.conf
+++ b/mkspecs/aix-xlc-64/qmake.conf
@@ -14,7 +14,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -qstrict -q64
+        QMAKE_CFLAGS    = -qstrict -q64 $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON= -qwarn64
         QMAKE_CFLAGS_WARN_OFF=
         QMAKE_CFLAGS_RELEASE= -O3
@@ -25,7 +25,7 @@ QMAKE_CFLAGS_THREAD	= -qthreaded -D_THREAD_SAFE
 
         QMAKE_CXX       = xlC
         QMAKE_CXX_THREAD= xlC_r
-        QMAKE_CXXFLAGS  = -+ $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = -+ $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -52,7 +52,7 @@ QMAKE_LINK_SHLIB_CMD	= makeC++SharedLib -p 0 -X64 \
                           $(AR) lib$(QMAKE_TARGET).a $(TARGETD); \
                           $(RANLIB) lib$(QMAKE_TARGET).a; \
                           mv lib$(QMAKE_TARGET).a $(DESTDIR)
-        QMAKE_LFLAGS    = -q64
+        QMAKE_LFLAGS    = -q64 $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB=
diff --git a/mkspecs/aix-xlc/qmake.conf b/mkspecs/aix-xlc/qmake.conf
index 364d909..c74459d 100644
--- a/mkspecs/aix-xlc/qmake.conf
+++ b/mkspecs/aix-xlc/qmake.conf
@@ -14,7 +14,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -qstrict
+        QMAKE_CFLAGS    = -qstrict $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON=
         QMAKE_CFLAGS_WARN_OFF=
         QMAKE_CFLAGS_RELEASE= -O3
@@ -25,7 +25,7 @@ QMAKE_CFLAGS_THREAD	= -qthreaded -D_THREAD_SAFE
 
         QMAKE_CXX       = xlC
         QMAKE_CXX_THREAD= xlC_r
-        QMAKE_CXXFLAGS  = -+ $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = -+ $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -52,7 +52,7 @@ QMAKE_LINK_SHLIB_CMD	= makeC++SharedLib -p 0 \
                           ar q lib$(QMAKE_TARGET).a $(TARGETD); \
                           ranlib lib$(QMAKE_TARGET).a; \
                           mv lib$(QMAKE_TARGET).a $(DESTDIR)
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB=
diff --git a/mkspecs/bsdi-g++/qmake.conf b/mkspecs/bsdi-g++/qmake.conf
index 2c735af..4b48706 100644
--- a/mkspecs/bsdi-g++/qmake.conf
+++ b/mkspecs/bsdi-g++/qmake.conf
@@ -15,7 +15,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    =
+        QMAKE_CFLAGS    = $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -26,7 +26,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD=
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -48,7 +48,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = g++
         QMAKE_LINK_SHLIB= g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/cygwin-g++/qmake.conf b/mkspecs/cygwin-g++/qmake.conf
index 3335084..9147bed 100644
--- a/mkspecs/cygwin-g++/qmake.conf
+++ b/mkspecs/cygwin-g++/qmake.conf
@@ -14,7 +14,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -pipe
+        QMAKE_CFLAGS    = -pipe $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -25,7 +25,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD= -D_REENTRANT
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -46,7 +46,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = g++
         QMAKE_LINK_SHLIB= g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/darwin-g++/qmake.conf b/mkspecs/darwin-g++/qmake.conf
index b01c06e..9d057ea 100644
--- a/mkspecs/darwin-g++/qmake.conf
+++ b/mkspecs/darwin-g++/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -pipe
+        QMAKE_CFLAGS    = -pipe $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -25,7 +25,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD=
 
         QMAKE_CXX       = c++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -46,7 +46,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = c++
         QMAKE_LINK_SHLIB= c++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -dynamiclib
diff --git a/mkspecs/dgux-g++/qmake.conf b/mkspecs/dgux-g++/qmake.conf
index f4628be..4de5c77 100644
--- a/mkspecs/dgux-g++/qmake.conf
+++ b/mkspecs/dgux-g++/qmake.conf
@@ -15,7 +15,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    =
+        QMAKE_CFLAGS    = $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -25,7 +25,7 @@ QMAKE_CFLAGS_SHLIB	= -fPIC
         QMAKE_CFLAGS_YACC= -Wno-unused -Wno-parentheses
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -45,7 +45,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = g++
         QMAKE_LINK_SHLIB= g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/freebsd-g++/qmake.conf b/mkspecs/freebsd-g++/qmake.conf
index 722d898..33c401e 100644
--- a/mkspecs/freebsd-g++/qmake.conf
+++ b/mkspecs/freebsd-g++/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -pipe
+        QMAKE_CFLAGS    = -pipe $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -24,7 +24,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD= -pthread -D_THREAD_SAFE
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -46,7 +46,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = g++
         QMAKE_LINK_SHLIB= g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/hpux-acc-64/qmake.conf b/mkspecs/hpux-acc-64/qmake.conf
index 143e8cc..73e6093 100644
--- a/mkspecs/hpux-acc-64/qmake.conf
+++ b/mkspecs/hpux-acc-64/qmake.conf
@@ -56,7 +56,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -Ae +DA2.0W -w
+        QMAKE_CFLAGS    = -Ae +DA2.0W -w $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON=
         QMAKE_CFLAGS_WARN_OFF=
         QMAKE_CFLAGS_RELEASE= -O +Osize
@@ -66,7 +66,7 @@ QMAKE_CFLAGS_YACC	=
         QMAKE_CFLAGS_THREAD= -D_POSIX_C_SOURCE=199506L -D_HPUX_SOURCE
 
         QMAKE_CXX       = aCC
-        QMAKE_CXXFLAGS  = -Aa +DA2.0W -w -D__STRICT_ANSI__
+        QMAKE_CXXFLAGS  = -Aa +DA2.0W -w -D__STRICT_ANSI__ $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -86,7 +86,7 @@ QMAKE_LIBDIR_OPENGL	= /opt/graphics/OpenGL/lib/pa20_64 /usr/contrib/X11R6/lib/pa
 
         QMAKE_LINK      = aCC
         QMAKE_LINK_SHLIB= aCC
-        QMAKE_LFLAGS    = +DA2.0W -Wl,+s
+        QMAKE_LFLAGS    = +DA2.0W -Wl,+s $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE= -O
         QMAKE_LFLAGS_DEBUG= -Wl,+tools -g
         QMAKE_LFLAGS_SHLIB= -b
diff --git a/mkspecs/hpux-acc-o64/qmake.conf b/mkspecs/hpux-acc-o64/qmake.conf
index ba5d122..d7b01b7 100644
--- a/mkspecs/hpux-acc-o64/qmake.conf
+++ b/mkspecs/hpux-acc-o64/qmake.conf
@@ -56,7 +56,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -Ae +DA2.0 -w
+        QMAKE_CFLAGS    = -Ae +DA2.0 -w $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON=
         QMAKE_CFLAGS_WARN_OFF=
         QMAKE_CFLAGS_RELEASE= -O +Oentrysched +Onolimit
@@ -66,7 +66,7 @@ QMAKE_CFLAGS_YACC	=
         QMAKE_CFLAGS_THREAD= -D_POSIX_C_SOURCE=199506L -D_HPUX_SOURCE
 
         QMAKE_CXX       = aCC
-        QMAKE_CXXFLAGS  = +DA2.0 -w -D__STRICT_ANSI__
+        QMAKE_CXXFLAGS  = +DA2.0 -w -D__STRICT_ANSI__ $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -86,7 +86,7 @@ QMAKE_LIBDIR_OPENGL	= /opt/graphics/OpenGL/lib /usr/contrib/X11R6/lib
 
         QMAKE_LINK      = aCC
         QMAKE_LINK_SHLIB= aCC
-        QMAKE_LFLAGS    = +DA2.0 -Wl,+s
+        QMAKE_LFLAGS    = +DA2.0 -Wl,+s $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE= -O
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -b
diff --git a/mkspecs/hpux-acc/qmake.conf b/mkspecs/hpux-acc/qmake.conf
index 7218fee..5990aa7 100644
--- a/mkspecs/hpux-acc/qmake.conf
+++ b/mkspecs/hpux-acc/qmake.conf
@@ -35,7 +35,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -Ae +DAportable -w +Z
+        QMAKE_CFLAGS    = -Ae +DAportable -w +Z $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON=
         QMAKE_CFLAGS_WARN_OFF=
         QMAKE_CFLAGS_RELEASE= -O
@@ -45,7 +45,7 @@ QMAKE_CFLAGS_YACC	=
         QMAKE_CFLAGS_THREAD= -D_POSIX_C_SOURCE=199506L -D_HPUX_SOURCE
 
         QMAKE_CXX       = aCC
-        QMAKE_CXXFLAGS  = +DAportable -w +Z -D__STRICT_ANSI__
+        QMAKE_CXXFLAGS  = +DAportable -w +Z -D__STRICT_ANSI__ $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -65,7 +65,7 @@ QMAKE_LIBDIR_OPENGL	= /opt/graphics/OpenGL/lib /usr/contrib/X11R6/lib
 
         QMAKE_LINK      = aCC
         QMAKE_LINK_SHLIB= aCC
-        QMAKE_LFLAGS    = +DAportable -Wl,+s
+        QMAKE_LFLAGS    = +DAportable -Wl,+s $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE= -O
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -b -Wl,-a,shared
diff --git a/mkspecs/hpux-cc/qmake.conf b/mkspecs/hpux-cc/qmake.conf
index a7f2b65..56e9057 100644
--- a/mkspecs/hpux-cc/qmake.conf
+++ b/mkspecs/hpux-cc/qmake.conf
@@ -36,7 +36,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -Ae +DA1.1e -w
+        QMAKE_CFLAGS    = -Ae +DA1.1e -w $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON=
         QMAKE_CFLAGS_WARN_OFF=
         QMAKE_CFLAGS_RELEASE= -O
@@ -45,7 +45,7 @@ QMAKE_CFLAGS_SHLIB	= +Z
         QMAKE_CFLAGS_YACC=
 
         QMAKE_CXX       = CC
-        QMAKE_CXXFLAGS  = +DA1.1e -w +a1
+        QMAKE_CXXFLAGS  = +DA1.1e -w +a1 $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -65,7 +65,7 @@ QMAKE_LIBDIR_OPENGL	= /opt/graphics/OpenGL/lib /usr/contrib/X11R6/lib
         QMAKE_LINK      = CC
         QMAKE_LINK_SHLIB= CC
 # CC generates template code during linking, and so needs -I's
-        QMAKE_LFLAGS    = +DA1.1e -Wl,+s -L/usr/lib -I$$QMAKE_INCDIR_X11 -I$$QMAKE_INCDIR_QT
+        QMAKE_LFLAGS    = +DA1.1e -Wl,+s -L/usr/lib -I$$QMAKE_INCDIR_X11 -I$$QMAKE_INCDIR_QT $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE= -O -s
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -b
diff --git a/mkspecs/hpux-g++/qmake.conf b/mkspecs/hpux-g++/qmake.conf
index 0db1650..9ba5359 100644
--- a/mkspecs/hpux-g++/qmake.conf
+++ b/mkspecs/hpux-g++/qmake.conf
@@ -17,7 +17,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    =
+        QMAKE_CFLAGS    = $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -28,7 +28,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD= -D_POSIX_C_SOURCE=199506L -D_HPUX_SOURCE
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -49,7 +49,7 @@ QMAKE_LIBDIR_OPENGL	= /opt/Mesa/lib /usr/contrib/X11R6/lib
 
         QMAKE_LINK      = g++
         QMAKE_LINK_SHLIB= g++
-        QMAKE_LFLAGS    = -Wl,+s
+        QMAKE_LFLAGS    = -Wl,+s $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -fPIC -shared
diff --git a/mkspecs/hurd-g++/qmake.conf b/mkspecs/hurd-g++/qmake.conf
index d3a22f6..12d70f7 100644
--- a/mkspecs/hurd-g++/qmake.conf
+++ b/mkspecs/hurd-g++/qmake.conf
@@ -16,7 +16,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    =
+        QMAKE_CFLAGS    = $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -26,7 +26,7 @@ QMAKE_CFLAGS_SHLIB	= -fPIC
         QMAKE_CFLAGS_YACC= -Wno-unused -Wno-parentheses
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -46,7 +46,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = g++
         QMAKE_LINK_SHLIB= g++
-        QMAKE_LFLAGS    = -Wl,-rpath=/lib:/usr/X11R6/lib:$(QTDIR)/lib
+        QMAKE_LFLAGS    = -Wl,-rpath=/lib:/usr/X11R6/lib:$(QTDIR)/lib $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/irix-cc-64/qmake.conf b/mkspecs/irix-cc-64/qmake.conf
index f5a127f..0113dac 100644
--- a/mkspecs/irix-cc-64/qmake.conf
+++ b/mkspecs/irix-cc-64/qmake.conf
@@ -45,7 +45,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -64 -woff 1021,1209,1233,1314,1355,1375,1506
+        QMAKE_CFLAGS    = -64 -woff 1021,1209,1233,1314,1355,1375,1506 $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -fullwarn
         QMAKE_CFLAGS_WARN_OFF=
@@ -56,7 +56,7 @@ QMAKE_CFLAGS_YACC	= -woff 1110,1174,3262
         QMAKE_CFLAGS_THREAD=
 
         QMAKE_CXX       = CC
-        QMAKE_CXXFLAGS  = -64 -woff 1021,1209,1233,1314,1355,1375,1506,1681,1682,3496
+        QMAKE_CXXFLAGS  = -64 -woff 1021,1209,1233,1314,1355,1375,1506,1681,1682,3496 $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -77,7 +77,7 @@ QMAKE_LIBDIR_OPENGL	=
 
         QMAKE_LINK      = CC
         QMAKE_LINK_SHLIB= CC
-        QMAKE_LFLAGS    = -64
+        QMAKE_LFLAGS    = -64 $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/irix-cc-o32/qmake.conf b/mkspecs/irix-cc-o32/qmake.conf
index b04ce09..f512ec1 100644
--- a/mkspecs/irix-cc-o32/qmake.conf
+++ b/mkspecs/irix-cc-o32/qmake.conf
@@ -20,7 +20,7 @@ QMAKE_LEXFLAGS		=
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
         QMAKE_CFLAGS_DEPS= -M
-        QMAKE_CFLAGS    = -o32 -woff 3203,3260,3672
+        QMAKE_CFLAGS    = -o32 -woff 3203,3260,3672 $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON= -fullwarn
         QMAKE_CFLAGS_WARN_OFF=
         QMAKE_CFLAGS_RELEASE= -O2 -Olimit 3000
@@ -30,7 +30,7 @@ QMAKE_CFLAGS_YACC	= -woff 3203,3262
         QMAKE_CFLAGS_THREAD=
 
         QMAKE_CXX       = CC
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -51,7 +51,7 @@ QMAKE_LIBDIR_OPENGL	=
 
         QMAKE_LINK      = CC
         QMAKE_LINK_SHLIB= CC
-        QMAKE_LFLAGS    = -o32
+        QMAKE_LFLAGS    = -o32 $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/irix-cc/qmake.conf b/mkspecs/irix-cc/qmake.conf
index e483235..2fef9df 100644
--- a/mkspecs/irix-cc/qmake.conf
+++ b/mkspecs/irix-cc/qmake.conf
@@ -45,7 +45,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -n32 -woff 1021,1209,1233,1314,1355,1375,1506
+        QMAKE_CFLAGS    = -n32 -woff 1021,1209,1233,1314,1355,1375,1506 $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -fullwarn
         QMAKE_CFLAGS_WARN_OFF=
@@ -56,7 +56,7 @@ QMAKE_CFLAGS_YACC	= -woff 1110,1174,3262
         QMAKE_CFLAGS_THREAD=
 
         QMAKE_CXX       = CC
-        QMAKE_CXXFLAGS  = -n32 -woff 1021,1209,1233,1314,1355,1375,1506,1681,1682,3496
+        QMAKE_CXXFLAGS  = -n32 -woff 1021,1209,1233,1314,1355,1375,1506,1681,1682,3496 $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -77,7 +77,7 @@ QMAKE_LIBDIR_OPENGL	=
 
         QMAKE_LINK      = CC
         QMAKE_LINK_SHLIB= CC
-        QMAKE_LFLAGS    = -n32
+        QMAKE_LFLAGS    = -n32 $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/irix-g++/qmake.conf b/mkspecs/irix-g++/qmake.conf
index 006eccb..7def26a 100644
--- a/mkspecs/irix-g++/qmake.conf
+++ b/mkspecs/irix-g++/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    =
+        QMAKE_CFLAGS    = $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -24,7 +24,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD=
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -45,7 +45,7 @@ QMAKE_LIBDIR_OPENGL	=
 
         QMAKE_LINK      = g++
         QMAKE_LINK_SHLIB= g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/linux-cxx/qmake.conf b/mkspecs/linux-cxx/qmake.conf
index 6c2407b..28687c3 100644
--- a/mkspecs/linux-cxx/qmake.conf
+++ b/mkspecs/linux-cxx/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -w
+        QMAKE_CFLAGS    = -w $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON=
         QMAKE_CFLAGS_WARN_OFF=
@@ -23,7 +23,7 @@ QMAKE_CFLAGS_SHLIB	=
         QMAKE_CFLAGS_YACC= -Olimit 1000
 
         QMAKE_CXX       = cxx
-        QMAKE_CXXFLAGS  = -w
+        QMAKE_CXXFLAGS  = -w $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -43,7 +43,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = cxx
         QMAKE_LINK_SHLIB= cxx
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/linux-g++/qmake.conf b/mkspecs/linux-g++/qmake.conf
index 7a267ff..4507b37 100644
--- a/mkspecs/linux-g++/qmake.conf
+++ b/mkspecs/linux-g++/qmake.conf
@@ -14,7 +14,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -pipe
+        QMAKE_CFLAGS    = -pipe $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -25,7 +25,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD= -D_REENTRANT
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -46,7 +46,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = g++
         QMAKE_LINK_SHLIB= g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/linux-icc/qmake.conf b/mkspecs/linux-icc/qmake.conf
index 29ef3e7..cd13562 100644
--- a/mkspecs/linux-icc/qmake.conf
+++ b/mkspecs/linux-icc/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    =
+        QMAKE_CFLAGS    = $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON=
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -24,7 +24,7 @@ QMAKE_CFLAGS_YACC	=
         QMAKE_CFLAGS_THREAD= -D_REENTRANT
 
         QMAKE_CXX       = icpc
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -45,7 +45,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = icpc
         QMAKE_LINK_SHLIB= icpc
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/linux-kcc/qmake.conf b/mkspecs/linux-kcc/qmake.conf
index 20bcd80..17bf26a 100644
--- a/mkspecs/linux-kcc/qmake.conf
+++ b/mkspecs/linux-kcc/qmake.conf
@@ -20,7 +20,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = --c --display_error_number --backend -pipe
+        QMAKE_CFLAGS    = --c --display_error_number --backend -pipe $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON=
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -31,7 +31,7 @@ QMAKE_CFLAGS_YACC	= --diag_suppress 111,177
         QMAKE_CFLAGS_THREAD= --thread_safe
 
         QMAKE_CXX       = KCC
-        QMAKE_CXXFLAGS  = --display_error_number --diag_suppress 611,1142 --backend -pipe
+        QMAKE_CXXFLAGS  = --display_error_number --diag_suppress 611,1142 --backend -pipe $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -52,7 +52,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = KCC
         QMAKE_LINK_SHLIB= KCC
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB=
diff --git a/mkspecs/linux-pgcc/qmake.conf b/mkspecs/linux-pgcc/qmake.conf
index 1db6029..ddccc47 100644
--- a/mkspecs/linux-pgcc/qmake.conf
+++ b/mkspecs/linux-pgcc/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    =
+        QMAKE_CFLAGS    = $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON=
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -24,7 +24,7 @@ QMAKE_CFLAGS_YACC	=
         QMAKE_CFLAGS_THREAD= -D_REENTRANT
 
         QMAKE_CXX       = pgCC
-        QMAKE_CXXFLAGS  = --display_error_number $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = --display_error_number $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -45,7 +45,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = pgCC
         QMAKE_LINK_SHLIB= pgCC
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/macx-g++/qmake.conf b/mkspecs/macx-g++/qmake.conf
index 68ec6a1..77c206c 100644
--- a/mkspecs/macx-g++/qmake.conf
+++ b/mkspecs/macx-g++/qmake.conf
@@ -15,7 +15,7 @@ QMAKE_LEXFLAGS		=
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
         QMAKE_RESOURCE  = /Developer/Tools/Rez
-        QMAKE_CFLAGS    = -pipe
+        QMAKE_CFLAGS    = -pipe $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -26,7 +26,7 @@ QMAKE_EXTENSION_SHLIB	= dylib
         QMAKE_CFLAGS_YACC= -Wno-unused -Wno-parentheses
 
         QMAKE_CXX       = $(TB)c++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -44,7 +44,7 @@ QMAKE_INCDIR_OPENGL	= /System/Library/Frameworks/OpenGL.framework/Headers \
 
         QMAKE_LINK      = $$QMAKE_CXX
         QMAKE_LINK_SHLIB= $$QMAKE_CXX
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
 #QMAKE_LFLAGS_PREBIND    = -prebind -seg1addr 0x90000000
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
diff --git a/mkspecs/macx-pbuilder/qmake.conf b/mkspecs/macx-pbuilder/qmake.conf
index 31c8663..b576719 100755
--- a/mkspecs/macx-pbuilder/qmake.conf
+++ b/mkspecs/macx-pbuilder/qmake.conf
@@ -14,7 +14,7 @@ QMAKE_LEXFLAGS		=
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
         QMAKE_RESOURCE  = /Developer/Tools/Rez
-        QMAKE_CFLAGS    = -pipe
+        QMAKE_CFLAGS    = -pipe $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF=
@@ -25,7 +25,7 @@ QMAKE_EXTENSION_SHLIB	= dylib
         QMAKE_CFLAGS_YACC= -Wno-unused -Wno-parentheses
 
         QMAKE_CXX       = c++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -44,7 +44,7 @@ QMAKE_INCDIR_OPENGL	= /System/Library/Frameworks/OpenGL.framework/Headers \
 
         QMAKE_LINK      = c++
         QMAKE_LINK_SHLIB= c++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHAPP= -prebind
diff --git a/mkspecs/netbsd-g++/qmake.conf b/mkspecs/netbsd-g++/qmake.conf
index 5a06456..33264b3 100644
--- a/mkspecs/netbsd-g++/qmake.conf
+++ b/mkspecs/netbsd-g++/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -pipe
+        QMAKE_CFLAGS    = -pipe $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -24,7 +24,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD= -pthread
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -46,7 +46,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
         QMAKE_LINK      = g++
         QMAKE_LINK_SHLIB= g++
 QMAKE_LINK_SHLIB_CMD    = $$QMAKE_LINK_SHLIB $$QMAKE_LFLAGS_SHLIB $(LFLAGS) $$QMAKE_LFLAGS -o $(TARGETD) $(OBJECTS) $(OBJMOC) $(LIBS)
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/openbsd-g++/qmake.conf b/mkspecs/openbsd-g++/qmake.conf
index 5f75405..ea3bda9 100644
--- a/mkspecs/openbsd-g++/qmake.conf
+++ b/mkspecs/openbsd-g++/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -pipe
+        QMAKE_CFLAGS    = -pipe $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -24,7 +24,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD= -pthread
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -48,7 +48,7 @@ QMAKE_LINK_SHLIB	= g++
         QMAKE_LINK_SHLIB_CMD= $$QMAKE_LINK_SHLIB $(LFLAGS) \
         $$QMAKE_CFLAGS_SHLIB $$QMAKE_LFLAGS \
         -o $(TARGETD) $(OBJECTS) $(OBJMOC) $(LIBS)
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/qnx-g++/qmake.conf b/mkspecs/qnx-g++/qmake.conf
index 31afdfa..164dea6 100644
--- a/mkspecs/qnx-g++/qmake.conf
+++ b/mkspecs/qnx-g++/qmake.conf
@@ -15,7 +15,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -pipe -fno-inline -fno-pack-struct
+        QMAKE_CFLAGS    = -pipe -fno-inline -fno-pack-struct $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -26,7 +26,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses -fno-inline -fno-pack-struct
         QMAKE_CFLAGS_THREAD= -D_REENTRANT
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -47,7 +47,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = g++
         QMAKE_LINK_SHLIB= g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/qws/freebsd-generic-g++/qmake.conf b/mkspecs/qws/freebsd-generic-g++/qmake.conf
index 3588caf..cb551a8 100644
--- a/mkspecs/qws/freebsd-generic-g++/qmake.conf
+++ b/mkspecs/qws/freebsd-generic-g++/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  =
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -pipe
+        QMAKE_CFLAGS    = -pipe $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -25,7 +25,7 @@ QMAKE_CFLAGS_THREAD	= -pthread -D_THREAD_SAFE
 
         QMAKE_CXX       = g++
 QMAKE_CXXFLAGS_DEPS     = $$QMAKE_CFLAGS_DEPS
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -DQT_NO_QWS_LINUXFB -DQT_NO_QWS_TRANSFORMED -DQWS -fno-exceptions -fno-rtti
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -DQT_NO_QWS_LINUXFB -DQT_NO_QWS_TRANSFORMED -DQWS -fno-exceptions -fno-rtti $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -42,7 +42,7 @@ QMAKE_LIBDIR_QT		= $(QTDIR)/lib
 
         QMAKE_LINK      = g++
         QMAKE_LINK_SHLIB= g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
 QMAKE_LFLAGS_SHLIB      = -shared
diff --git a/mkspecs/qws/linux-arm-g++/qmake.conf b/mkspecs/qws/linux-arm-g++/qmake.conf
index 7927ac5..30c58d3 100644
--- a/mkspecs/qws/linux-arm-g++/qmake.conf
+++ b/mkspecs/qws/linux-arm-g++/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  =
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -pipe
+        QMAKE_CFLAGS    = -pipe $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF=
         QMAKE_CFLAGS_RELEASE= -O2
@@ -23,7 +23,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD= -D_REENTRANT
 
         QMAKE_CXX       = arm-linux-g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -DQWS -fno-exceptions -fno-rtti
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -DQWS -fno-exceptions -fno-rtti $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -43,7 +43,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = arm-linux-g++
         QMAKE_LINK_SHLIB= arm-linux-g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
 QMAKE_LFLAGS_SHLIB      = -shared
diff --git a/mkspecs/qws/linux-generic-g++/qmake.conf b/mkspecs/qws/linux-generic-g++/qmake.conf
index 69b14dc..135c6f9 100644
--- a/mkspecs/qws/linux-generic-g++/qmake.conf
+++ b/mkspecs/qws/linux-generic-g++/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  =
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -pipe
+        QMAKE_CFLAGS    = -pipe $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF=
         QMAKE_CFLAGS_RELEASE= -O2
@@ -23,7 +23,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD= -D_REENTRANT
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -DQWS -fno-exceptions -fno-rtti
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -DQWS -fno-exceptions -fno-rtti $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -43,7 +43,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = g++
         QMAKE_LINK_SHLIB= g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
 QMAKE_LFLAGS_SHLIB      = -shared
diff --git a/mkspecs/qws/linux-ipaq-g++/qmake.conf b/mkspecs/qws/linux-ipaq-g++/qmake.conf
index ac27d2a..7e4cbf5 100644
--- a/mkspecs/qws/linux-ipaq-g++/qmake.conf
+++ b/mkspecs/qws/linux-ipaq-g++/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  =
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -pipe
+        QMAKE_CFLAGS    = -pipe $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF=
         QMAKE_CFLAGS_RELEASE= -O2
@@ -23,7 +23,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD= -D_REENTRANT
 
         QMAKE_CXX       = arm-linux-g++ -DQT_QWS_IPAQ
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS  -DQWS -fno-exceptions -fno-rtti
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS  -DQWS -fno-exceptions -fno-rtti $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -43,7 +43,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = arm-linux-g++
         QMAKE_LINK_SHLIB= arm-linux-g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
 QMAKE_LFLAGS_SHLIB      = -shared
diff --git a/mkspecs/qws/linux-mips-g++/qmake.conf b/mkspecs/qws/linux-mips-g++/qmake.conf
index a748f52..55547dd 100644
--- a/mkspecs/qws/linux-mips-g++/qmake.conf
+++ b/mkspecs/qws/linux-mips-g++/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  =
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -pipe
+        QMAKE_CFLAGS    = -pipe $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF=
         QMAKE_CFLAGS_RELEASE= -O2
@@ -23,7 +23,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD= -D_REENTRANT
 
         QMAKE_CXX       = mipsel-linux-g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -DQWS -fno-exceptions -fno-rtti
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -DQWS -fno-exceptions -fno-rtti $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -43,7 +43,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = mipsel-linux-g++
         QMAKE_LINK_SHLIB= mipsel-linux-g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
 QMAKE_LFLAGS_SHLIB      = -shared
diff --git a/mkspecs/qws/linux-sharp-g++/qmake.conf b/mkspecs/qws/linux-sharp-g++/qmake.conf
index 4744fee..11405c4 100644
--- a/mkspecs/qws/linux-sharp-g++/qmake.conf
+++ b/mkspecs/qws/linux-sharp-g++/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  =
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -pipe
+        QMAKE_CFLAGS    = -pipe $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF=
         QMAKE_CFLAGS_RELEASE= -O2
@@ -23,7 +23,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD= -D_REENTRANT
 
         QMAKE_CXX       = arm-linux-g++ -DQT_QWS_SHARP -DQT_QWS_EBX
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS  -DQWS -fno-exceptions -fno-rtti
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS  -DQWS -fno-exceptions -fno-rtti $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -43,7 +43,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = arm-linux-g++
         QMAKE_LINK_SHLIB= arm-linux-g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
 QMAKE_LFLAGS_SHLIB      = -shared
diff --git a/mkspecs/qws/linux-x86-g++/qmake.conf b/mkspecs/qws/linux-x86-g++/qmake.conf
index e9e4352..e5ac6d1 100644
--- a/mkspecs/qws/linux-x86-g++/qmake.conf
+++ b/mkspecs/qws/linux-x86-g++/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  =
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -pipe
+        QMAKE_CFLAGS    = -pipe $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF=
         QMAKE_CFLAGS_RELEASE= -O2
@@ -23,7 +23,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD= -D_REENTRANT
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS  -DQWS -fno-exceptions -fno-rtti
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS  -DQWS -fno-exceptions -fno-rtti $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -43,7 +43,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = g++
         QMAKE_LINK_SHLIB= g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
 QMAKE_LFLAGS_SHLIB      = -shared
diff --git a/mkspecs/qws/macx-generic-g++/qmake.conf b/mkspecs/qws/macx-generic-g++/qmake.conf
index d361bdc..e718d2b 100644
--- a/mkspecs/qws/macx-generic-g++/qmake.conf
+++ b/mkspecs/qws/macx-generic-g++/qmake.conf
@@ -14,7 +14,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  =
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -pipe
+        QMAKE_CFLAGS    = -pipe $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF=
         QMAKE_CFLAGS_RELEASE= -O2 -fno-default-inline
@@ -24,7 +24,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD= -D_REENTRANT
 
         QMAKE_CXX       = $(TB)c++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -DQT_NO_QWS_TRANSFORMED -DQWS -fno-exceptions -fno-rtti
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -DQT_NO_QWS_TRANSFORMED -DQWS -fno-exceptions -fno-rtti $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -44,7 +44,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = $$QMAKE_CXX
         QMAKE_LINK_SHLIB= $$QMAKE_CXX
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -dynamiclib 
diff --git a/mkspecs/qws/qnx4-cc/qmake.conf b/mkspecs/qws/qnx4-cc/qmake.conf
index a756b60..1020a3e 100644
--- a/mkspecs/qws/qnx4-cc/qmake.conf
+++ b/mkspecs/qws/qnx4-cc/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  =
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -WC,-sg
+        QMAKE_CFLAGS    = -WC,-sg $(CFLAGS_EXTRA)
 QMAKE_CFLAGS_WARN_ON    = -w1
 QMAKE_CFLAGS_WARN_OFF   = -w0
 QMAKE_CFLAGS_RELEASE    = -O
@@ -23,7 +23,7 @@ QMAKE_CFLAGS_YACC	=
         QMAKE_CFLAGS_THREAD= -D_REENTRANT -WC,-bm
 
         QMAKE_CXX       = cc
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -DQWS 
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -DQWS  $(CXXFLAGS_EXTRA)
         DEFINES                 += QT_NO_SOUND QT_CLEAN_NAMESPACE QT_NO_QWS_TRANSFORMED QT_NO_QWS_MOUSE_AUTO QT_NO_QWS_MOUSE_MANUAL QT_NO_QWS_LINUXFB
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -40,7 +40,7 @@ QMAKE_LIBDIR_QT		= $(QTDIR)/lib
 
         QMAKE_LINK      = cc
         QMAKE_LINK_SHLIB= cc
-        QMAKE_LFLAGS    = -lsocket 
+        QMAKE_LFLAGS    = -lsocket  $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG= -g2d
         QMAKE_LFLAGS_SHLIB= -d
diff --git a/mkspecs/qws/qnx6-generic-cc/qmake.conf b/mkspecs/qws/qnx6-generic-cc/qmake.conf
index b0bacf0..ef69f21 100644
--- a/mkspecs/qws/qnx6-generic-cc/qmake.conf
+++ b/mkspecs/qws/qnx6-generic-cc/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  =
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -Bstatic -fPIC -pipe -fno-inline -fno-pack-struct -fhonor-std -fno-builtins -fexceptions -D_STRINGS_H_INCLUDED
+        QMAKE_CFLAGS    = -Bstatic -fPIC -pipe -fno-inline -fno-pack-struct -fhonor-std -fno-builtins -fexceptions -D_STRINGS_H_INCLUDED $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON= -Wall
         QMAKE_CFLAGS_WARN_OFF= -w
         QMAKE_CFLAGS_RELEASE= -O
@@ -23,7 +23,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses -fno-inline -fno-pack-struct
         QMAKE_CFLAGS_THREAD= -D_REENTRANT
  
         QMAKE_CXX       = cc
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -DQWS -DQT_POSIX_QSHM -DQT_NO_SOUND -DQT_CLEAN_NAMESPACE -DQT_NO_QWS_TRANSFORMED -DQT_NO_QWS_MOUSE_AUTO -DQT_NO_QWS_MOUSE_MANUAL -DQT_NO_QWS_VFB -DQT_NO_QWS_LINUXFB -DQT_NO_QWS_MULTIPROCESS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -DQWS -DQT_POSIX_QSHM -DQT_NO_SOUND -DQT_CLEAN_NAMESPACE -DQT_NO_QWS_TRANSFORMED -DQT_NO_QWS_MOUSE_AUTO -DQT_NO_QWS_MOUSE_MANUAL -DQT_NO_QWS_VFB -DQT_NO_QWS_LINUXFB -DQT_NO_QWS_MULTIPROCESS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -43,7 +43,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
  
         QMAKE_LINK      = cc
         QMAKE_LINK_SHLIB= cc
-        QMAKE_LFLAGS    = -lsocket -ldisputil 
+        QMAKE_LFLAGS    = -lsocket -ldisputil  $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/qws/qnx6-generic-g++/qmake.conf b/mkspecs/qws/qnx6-generic-g++/qmake.conf
index 065a9fa..df3c836 100644
--- a/mkspecs/qws/qnx6-generic-g++/qmake.conf
+++ b/mkspecs/qws/qnx6-generic-g++/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  =
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -pipe -fno-inline -fno-pack-struct -fhonor-std -fexceptions -D_STRINGS_H_INCLUDED
+        QMAKE_CFLAGS    = -pipe -fno-inline -fno-pack-struct -fhonor-std -fexceptions -D_STRINGS_H_INCLUDED $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON= -Wall
         QMAKE_CFLAGS_WARN_OFF= -w
         QMAKE_CFLAGS_RELEASE= -O
@@ -23,7 +23,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses -fno-inline -fno-pack-struct
         QMAKE_CFLAGS_THREAD= -D_REENTRANT
  
         QMAKE_CXX       = cc
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -DQWS -DQT_POSIX_QSHM -DQT_NO_QWS_MULTIPROCESS -DQT_NO_SOUND -DQT_CLEAN_NAMESPACE -DQT_NO_QWS_TRANSFORMED -DQT_NO_QWS_MOUSE_AUTO -DQT_NO_QWS_MOUSE_MANUAL -DQT_NO_PROCESS -DQT_NO_QWS_VFB -DQT_NO_QWS_LINUXFB
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -DQWS -DQT_POSIX_QSHM -DQT_NO_QWS_MULTIPROCESS -DQT_NO_SOUND -DQT_CLEAN_NAMESPACE -DQT_NO_QWS_TRANSFORMED -DQT_NO_QWS_MOUSE_AUTO -DQT_NO_QWS_MOUSE_MANUAL -DQT_NO_PROCESS -DQT_NO_QWS_VFB -DQT_NO_QWS_LINUXFB $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -43,7 +43,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
  
         QMAKE_LINK      = cc -fhonor-std
         QMAKE_LINK_SHLIB= cc -fhonor-std
-        QMAKE_LFLAGS    = -lsocket -ldisputil 
+        QMAKE_LFLAGS    = -lsocket -ldisputil  $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/qws/solaris-generic-g++/qmake.conf b/mkspecs/qws/solaris-generic-g++/qmake.conf
index d9e0866..d6048bb 100644
--- a/mkspecs/qws/solaris-generic-g++/qmake.conf
+++ b/mkspecs/qws/solaris-generic-g++/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  =
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -pipe
+        QMAKE_CFLAGS    = -pipe $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF=
         QMAKE_CFLAGS_RELEASE= -O2 -fno-default-inline
@@ -23,7 +23,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD= -D_REENTRANT
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -DQT_NO_SOUND -DQT_NO_QWS_LINUXFB -DQT_NO_QWS_TRANSFORMED -DQWS -fno-exceptions -fno-rtti
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -DQT_NO_SOUND -DQT_NO_QWS_LINUXFB -DQT_NO_QWS_TRANSFORMED -DQWS -fno-exceptions -fno-rtti $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -43,7 +43,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = g++
         QMAKE_LINK_SHLIB= g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/reliant-cds-64/qmake.conf b/mkspecs/reliant-cds-64/qmake.conf
index 1cc3088..fc7a3cf 100644
--- a/mkspecs/reliant-cds-64/qmake.conf
+++ b/mkspecs/reliant-cds-64/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -Klp64
+        QMAKE_CFLAGS    = -Klp64 $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -v
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -24,7 +24,7 @@ QMAKE_CFLAGS_YACC	=
         QMAKE_CFLAGS_THREAD= -K pthread
 
         QMAKE_CXX       = CC
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -45,7 +45,7 @@ QMAKE_LIBDIR_OPENGL	=
 
         QMAKE_LINK      = CC
         QMAKE_LINK_SHLIB= CC
-        QMAKE_LFLAGS    = -Klp64
+        QMAKE_LFLAGS    = -Klp64 $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -G
diff --git a/mkspecs/reliant-cds/qmake.conf b/mkspecs/reliant-cds/qmake.conf
index 7bd074f..faaa26d 100644
--- a/mkspecs/reliant-cds/qmake.conf
+++ b/mkspecs/reliant-cds/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    =
+        QMAKE_CFLAGS    = $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -v
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -24,7 +24,7 @@ QMAKE_CFLAGS_YACC	=
         QMAKE_CFLAGS_THREAD= -K pthread
 
         QMAKE_CXX       = CC
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -45,7 +45,7 @@ QMAKE_LIBDIR_OPENGL	=
 
         QMAKE_LINK      = CC
         QMAKE_LINK_SHLIB= CC
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -G
diff --git a/mkspecs/sco-cc/qmake.conf b/mkspecs/sco-cc/qmake.conf
index 43388f0..54bcbfa 100644
--- a/mkspecs/sco-cc/qmake.conf
+++ b/mkspecs/sco-cc/qmake.conf
@@ -16,7 +16,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    =
+        QMAKE_CFLAGS    = $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON=
         QMAKE_CFLAGS_WARN_OFF= -w
         QMAKE_CFLAGS_RELEASE= -O
@@ -26,7 +26,7 @@ QMAKE_CFLAGS_YACC	= -Wf,--diag_suppress,111 -Wf,--diag_suppress,177
         QMAKE_CFLAGS_THREAD= -Kthread
 
         QMAKE_CXX       = CC
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -Wf,--display_error_number -Wf,--diag_suppress,838
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -Wf,--display_error_number -Wf,--diag_suppress,838 $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE -Tused
@@ -46,7 +46,7 @@ QMAKE_LIBDIR_OPENGL	=
 
         QMAKE_LINK      = CC
         QMAKE_LINK_SHLIB= CC
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -G
diff --git a/mkspecs/sco-g++/qmake.conf b/mkspecs/sco-g++/qmake.conf
index 8a4fb62..1c1e3c8 100644
--- a/mkspecs/sco-g++/qmake.conf
+++ b/mkspecs/sco-g++/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    =
+        QMAKE_CFLAGS    = $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -24,7 +24,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD= -D_REENTRANT
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -45,7 +45,7 @@ QMAKE_LIBDIR_OPENGL	=
 
         QMAKE_LINK      = g++
         QMAKE_LINK_SHLIB= g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -G
diff --git a/mkspecs/solaris-cc-64/qmake.conf b/mkspecs/solaris-cc-64/qmake.conf
index 17b26b0..33fda82 100644
--- a/mkspecs/solaris-cc-64/qmake.conf
+++ b/mkspecs/solaris-cc-64/qmake.conf
@@ -31,7 +31,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -xarch=v9 -D_XOPEN_SOURCE=500 -D__EXTENSIONS__
+        QMAKE_CFLAGS    = -xarch=v9 -D_XOPEN_SOURCE=500 -D__EXTENSIONS__ $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -xM
         QMAKE_CFLAGS_WARN_ON=
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -42,7 +42,7 @@ QMAKE_CFLAGS_YACC	=
         QMAKE_CFLAGS_THREAD= -mt
 
         QMAKE_CXX       = CC
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -63,7 +63,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/openwin/lib
 
         QMAKE_LINK      = CC
         QMAKE_LINK_SHLIB= CC
-        QMAKE_LFLAGS    = -xarch=v9
+        QMAKE_LFLAGS    = -xarch=v9 $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -G
diff --git a/mkspecs/solaris-cc/qmake.conf b/mkspecs/solaris-cc/qmake.conf
index 0aa1097..3d50180 100644
--- a/mkspecs/solaris-cc/qmake.conf
+++ b/mkspecs/solaris-cc/qmake.conf
@@ -14,7 +14,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    =
+        QMAKE_CFLAGS    = $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -xM
         QMAKE_CFLAGS_WARN_ON=
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -25,7 +25,7 @@ QMAKE_CFLAGS_YACC	=
         QMAKE_CFLAGS_THREAD= -mt
 
         QMAKE_CXX       = CC
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -46,7 +46,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/openwin/lib
 
         QMAKE_LINK      = CC
         QMAKE_LINK_SHLIB= CC
-        QMAKE_LFLAGS    = -R$(QTDIR)/lib
+        QMAKE_LFLAGS    = -R$(QTDIR)/lib $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -G
diff --git a/mkspecs/solaris-g++-64/qmake.conf b/mkspecs/solaris-g++-64/qmake.conf
index 05853ad..622644b 100644
--- a/mkspecs/solaris-g++-64/qmake.conf
+++ b/mkspecs/solaris-g++-64/qmake.conf
@@ -36,7 +36,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -m64 -D_XOPEN_SOURCE=500 -D__EXTENSIONS__
+        QMAKE_CFLAGS    = -m64 -D_XOPEN_SOURCE=500 -D__EXTENSIONS__ $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -47,7 +47,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD= -D_REENTRANT
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -68,7 +68,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/openwin/lib
 
         QMAKE_LINK      = g++
         QMAKE_LINK_SHLIB= g++
-        QMAKE_LFLAGS    = -m64
+        QMAKE_LFLAGS    = -m64 $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG= -g
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/solaris-g++/qmake.conf b/mkspecs/solaris-g++/qmake.conf
index c2b4709..71f4307 100644
--- a/mkspecs/solaris-g++/qmake.conf
+++ b/mkspecs/solaris-g++/qmake.conf
@@ -19,7 +19,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    =
+        QMAKE_CFLAGS    = $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -30,7 +30,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD= -D_REENTRANT
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -51,7 +51,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/openwin/lib
 
         QMAKE_LINK      = g++
         QMAKE_LINK_SHLIB= g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG= -g
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/solaris-kcc/qmake.conf b/mkspecs/solaris-kcc/qmake.conf
index 274f815..e1c3052 100644
--- a/mkspecs/solaris-kcc/qmake.conf
+++ b/mkspecs/solaris-kcc/qmake.conf
@@ -24,7 +24,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = --c --display_error_number
+        QMAKE_CFLAGS    = --c --display_error_number $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON=
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -35,7 +35,7 @@ QMAKE_CFLAGS_YACC	= --diag_suppress 111,177
         QMAKE_CFLAGS_THREAD= -mt
 
         QMAKE_CXX       = KCC
-        QMAKE_CXXFLAGS  = --display_error_number --diag_suppress 611,1142
+        QMAKE_CXXFLAGS  = --display_error_number --diag_suppress 611,1142 $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -56,7 +56,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/openwin/lib
 
         QMAKE_LINK      = KCC
         QMAKE_LINK_SHLIB= KCC
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB=
diff --git a/mkspecs/tru64-cxx/qmake.conf b/mkspecs/tru64-cxx/qmake.conf
index f699d7b..41279b4 100644
--- a/mkspecs/tru64-cxx/qmake.conf
+++ b/mkspecs/tru64-cxx/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    =
+        QMAKE_CFLAGS    = $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON=
         QMAKE_CFLAGS_WARN_OFF=
@@ -24,7 +24,7 @@ QMAKE_CFLAGS_YACC	= -Olimit 1000
         QMAKE_CFLAGS_THREAD= -pthread
 
         QMAKE_CXX       = cxx
-        QMAKE_CXXFLAGS  = -x cxx $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = -x cxx $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -45,7 +45,7 @@ QMAKE_LIBDIR_OPENGL	=
 
         QMAKE_LINK      = cxx
         QMAKE_LINK_SHLIB= cxx
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/tru64-g++/qmake.conf b/mkspecs/tru64-g++/qmake.conf
index 94ff4a8..ad2c06e 100644
--- a/mkspecs/tru64-g++/qmake.conf
+++ b/mkspecs/tru64-g++/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    =
+        QMAKE_CFLAGS    = $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -24,7 +24,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD= -D_REENTRANT
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -45,7 +45,7 @@ QMAKE_LIBDIR_OPENGL	=
 
         QMAKE_LINK      = g++
         QMAKE_LINK_SHLIB= g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/ultrix-g++/qmake.conf b/mkspecs/ultrix-g++/qmake.conf
index 482f069..2b847cb 100644
--- a/mkspecs/ultrix-g++/qmake.conf
+++ b/mkspecs/ultrix-g++/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    =
+        QMAKE_CFLAGS    = $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -23,7 +23,7 @@ QMAKE_CFLAGS_SHLIB	=
         QMAKE_CFLAGS_YACC= -Wno-unused -Wno-parentheses
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -43,7 +43,7 @@ QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 
         QMAKE_LINK      = g++
         #QMAKE_LINK_SHLIB= g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         #QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/unixware-cc/qmake.conf b/mkspecs/unixware-cc/qmake.conf
index 1e7821a..46b4657 100644
--- a/mkspecs/unixware-cc/qmake.conf
+++ b/mkspecs/unixware-cc/qmake.conf
@@ -16,7 +16,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    =
+        QMAKE_CFLAGS    = $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON=
         QMAKE_CFLAGS_WARN_OFF= -w
         QMAKE_CFLAGS_RELEASE= -O
@@ -26,7 +26,7 @@ QMAKE_CFLAGS_YACC	= -Wf,--diag_suppress,111 -Wf,--diag_suppress,177
         QMAKE_CFLAGS_THREAD= -Kthread
 
         QMAKE_CXX       = CC
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -Wf,--display_error_number -Wf,--diag_suppress,838
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS -Wf,--display_error_number -Wf,--diag_suppress,838 $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE -Tused
@@ -46,7 +46,7 @@ QMAKE_LIBDIR_OPENGL	=
 
         QMAKE_LINK      = CC
         QMAKE_LINK_SHLIB= CC
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -G
diff --git a/mkspecs/unixware-g++/qmake.conf b/mkspecs/unixware-g++/qmake.conf
index 1f8e982..2ff9d3a 100644
--- a/mkspecs/unixware-g++/qmake.conf
+++ b/mkspecs/unixware-g++/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    =
+        QMAKE_CFLAGS    = $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON= -Wall -W
         QMAKE_CFLAGS_WARN_OFF= -w
@@ -24,7 +24,7 @@ QMAKE_CFLAGS_YACC	= -Wno-unused -Wno-parentheses
         QMAKE_CFLAGS_THREAD=
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -45,7 +45,7 @@ QMAKE_LIBDIR_OPENGL	=
 
         QMAKE_LINK      = g++
         QMAKE_LINK_SHLIB= g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_SHLIB= -shared
diff --git a/mkspecs/win32-borland/qmake.conf b/mkspecs/win32-borland/qmake.conf
index f3219eb..c7b8229 100644
--- a/mkspecs/win32-borland/qmake.conf
+++ b/mkspecs/win32-borland/qmake.conf
@@ -19,7 +19,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = byacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -tWR
+        QMAKE_CFLAGS    = -tWR $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON= -w -w-hid
         QMAKE_CFLAGS_WARN_OFF= -w-
         QMAKE_CFLAGS_RELEASE= -O2
@@ -35,11 +35,11 @@ QMAKE_CFLAGS_CONSOLE	= -tWC
         QMAKE_CFLAGS += -x-
 }
 !contains(CONFIG,rtti){
-                QMAKE_CFLAGS+= -RT-
+                QMAKE_CFLAGS+= -RT- $(CFLAGS_EXTRA)
 }
 
         QMAKE_CXX       = $$QMAKE_CC
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -62,7 +62,7 @@ QMAKE_RUN_CXX		= $(CXX) -c $(CXXFLAGS) $(INCPATH) -o$obj $src
         QMAKE_RUN_CXX_IMP= $(CXX) -c $(CXXFLAGS) $(INCPATH) -o$@ $<
 
         QMAKE_LINK      = ilink32
-        QMAKE_LFLAGS    = -c -x -Gn
+        QMAKE_LFLAGS    = -c -x -Gn $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG= -v
         QMAKE_LFLAGS_CONSOLE= -ap -Tpe c0x32.obj
diff --git a/mkspecs/win32-g++/qmake.conf b/mkspecs/win32-g++/qmake.conf
index 7c7b66a..8a24c43 100644
--- a/mkspecs/win32-g++/qmake.conf
+++ b/mkspecs/win32-g++/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = byacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -fvtable-thunks
+        QMAKE_CFLAGS    = -fvtable-thunks $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_DEPS= -M
         QMAKE_CFLAGS_WARN_ON=
         QMAKE_CFLAGS_WARN_OFF=
@@ -22,7 +22,7 @@ QMAKE_CFLAGS_DEBUG	= -g
         QMAKE_CFLAGS_YACC= -Wno-unused -Wno-parentheses
 
         QMAKE_CXX       = g++
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_DEPS= $$QMAKE_CFLAGS_DEPS
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
@@ -39,7 +39,7 @@ QMAKE_RUN_CXX		= $(CXX) -c $(CXXFLAGS) $(INCPATH) -o $obj $src
         QMAKE_RUN_CXX_IMP= $(CXX) -c $(CXXFLAGS) $(INCPATH) -o $@ $<
 
         QMAKE_LINK      = g++
-        QMAKE_LFLAGS    =
+        QMAKE_LFLAGS    = $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG=
         QMAKE_LFLAGS_CONSOLE= -Wl,-subsystem,console
diff --git a/mkspecs/win32-icc/qmake.conf b/mkspecs/win32-icc/qmake.conf
index cd884fa..b5476a0 100644
--- a/mkspecs/win32-icc/qmake.conf
+++ b/mkspecs/win32-icc/qmake.conf
@@ -18,7 +18,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = byacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -nologo -Zm200
+        QMAKE_CFLAGS    = -nologo -Zm200 $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON= -W3
         QMAKE_CFLAGS_WARN_OFF= -W0
         QMAKE_CFLAGS_RELEASE= -Od -Ob1s
@@ -30,17 +30,17 @@ QMAKE_CFLAGS_MT_DLLDBG	= -MDd
         QMAKE_CFLAGS_YACC=
 
 contains(CONFIG,stl){
-                QMAKE_CFLAGS+= -GX
+                QMAKE_CFLAGS+= -GX $(CFLAGS_EXTRA)
 }
 contains(CONFIG,exceptions){
         QMAKE_CFLAGS += -GX
 }
 contains(CONFIG,rtti){
-                QMAKE_CFLAGS+= -GR
+                QMAKE_CFLAGS+= -GR $(CFLAGS_EXTRA)
 }
 
         QMAKE_CXX       = $$QMAKE_CC
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -62,7 +62,7 @@ QMAKE_RUN_CXX		= $(CXX) -c $(CXXFLAGS) $(INCPATH) -Fo$obj $src
         QMAKE_RUN_CXX_IMP= $(CXX) -c $(CXXFLAGS) $(INCPATH) -Fo$@ $<
 
         QMAKE_LINK      = link
-        QMAKE_LFLAGS    = /NOLOGO
+        QMAKE_LFLAGS    = /NOLOGO $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE= delayimp.lib /DELAYLOAD:comdlg32.dll /DELAYLOAD:oleaut32.dll /DELAYLOAD:winmm.dll /DELAYLOAD:wsock32.dll /DELAYLOAD:winspool.dll
         QMAKE_LFLAGS_DEBUG= /DEBUG
         QMAKE_LFLAGS_CONSOLE= /SUBSYSTEM:console
diff --git a/mkspecs/win32-msvc.net/qmake.conf b/mkspecs/win32-msvc.net/qmake.conf
index bcc1ea7..d75a251 100644
--- a/mkspecs/win32-msvc.net/qmake.conf
+++ b/mkspecs/win32-msvc.net/qmake.conf
@@ -18,7 +18,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  =
         QMAKE_YACC      = byacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -nologo -Zm200
+        QMAKE_CFLAGS    = -nologo -Zm200 $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON= -W3
         QMAKE_CFLAGS_WARN_OFF= -W0
         QMAKE_CFLAGS_RELEASE= -O1
@@ -32,17 +32,17 @@ QMAKE_CFLAGS_ST_DBG	= -MLd
         QMAKE_CFLAGS_YACC=
 
 contains(CONFIG,stl){
-                QMAKE_CFLAGS+= -GX
+                QMAKE_CFLAGS+= -GX $(CFLAGS_EXTRA)
 }
 contains(CONFIG,exceptions){
         QMAKE_CFLAGS += -GX
 }
 contains(CONFIG,rtti){
-                QMAKE_CFLAGS+= -GR
+                QMAKE_CFLAGS+= -GR $(CFLAGS_EXTRA)
 }
 
         QMAKE_CXX       = $$QMAKE_CC
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -66,7 +66,7 @@ QMAKE_RUN_CXX		= $(CXX) -c $(CXXFLAGS) $(INCPATH) -Fo$obj $src
         QMAKE_RUN_CXX_IMP= $(CXX) -c $(CXXFLAGS) $(INCPATH) -Fo$@ $<
 
         QMAKE_LINK      = link
-        QMAKE_LFLAGS    = /NOLOGO
+        QMAKE_LFLAGS    = /NOLOGO $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE= /DELAYLOAD:comdlg32.dll /DELAYLOAD:oleaut32.dll /DELAYLOAD:winmm.dll /DELAYLOAD:wsock32.dll /DELAYLOAD:winspool.dll
         QMAKE_LFLAGS_DEBUG= /DEBUG
         QMAKE_LFLAGS_CONSOLE= /SUBSYSTEM:CONSOLE
diff --git a/mkspecs/win32-msvc/qmake.conf b/mkspecs/win32-msvc/qmake.conf
index 19462e4..f3be273 100644
--- a/mkspecs/win32-msvc/qmake.conf
+++ b/mkspecs/win32-msvc/qmake.conf
@@ -18,7 +18,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = byacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -nologo -Zm200
+        QMAKE_CFLAGS    = -nologo -Zm200 $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON= -W3
         QMAKE_CFLAGS_WARN_OFF= -W0
         QMAKE_CFLAGS_RELEASE= -O1
@@ -30,17 +30,17 @@ QMAKE_CFLAGS_MT_DLLDBG	= -MDd
         QMAKE_CFLAGS_YACC=
 
 contains(CONFIG,stl){
-                QMAKE_CFLAGS+= -GX
+                QMAKE_CFLAGS+= -GX $(CFLAGS_EXTRA)
 }
 contains(CONFIG,exceptions){
         QMAKE_CFLAGS += -GX
 }
 contains(CONFIG,rtti){
-                QMAKE_CFLAGS+= -GR
+                QMAKE_CFLAGS+= -GR $(CFLAGS_EXTRA)
 }
 
         QMAKE_CXX       = $$QMAKE_CC
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -62,7 +62,7 @@ QMAKE_RUN_CXX		= $(CXX) -c $(CXXFLAGS) $(INCPATH) -Fo$obj $src
         QMAKE_RUN_CXX_IMP= $(CXX) -c $(CXXFLAGS) $(INCPATH) -Fo$@ $<
 
         QMAKE_LINK      = link
-        QMAKE_LFLAGS    = /NOLOGO
+        QMAKE_LFLAGS    = /NOLOGO $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE= delayimp.lib /DELAYLOAD:comdlg32.dll /DELAYLOAD:oleaut32.dll /DELAYLOAD:winmm.dll /DELAYLOAD:wsock32.dll /DELAYLOAD:winspool.dll
         QMAKE_LFLAGS_DEBUG= /DEBUG
         QMAKE_LFLAGS_CONSOLE= /SUBSYSTEM:console
diff --git a/mkspecs/win32-visage/qmake.conf b/mkspecs/win32-visage/qmake.conf
index ff6a1db..aa8e598 100644
--- a/mkspecs/win32-visage/qmake.conf
+++ b/mkspecs/win32-visage/qmake.conf
@@ -12,7 +12,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = byacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -Q -Ft -Gd -Gm+ -qrtti=all
+        QMAKE_CFLAGS    = -Q -Ft -Gd -Gm+ -qrtti=all $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON= -W3
         QMAKE_CFLAGS_WARN_OFF= -W0
         QMAKE_CFLAGS_RELEASE= -Gl+ -O -Oc+
@@ -20,7 +20,7 @@ QMAKE_CFLAGS_DEBUG	= -Fb* -Ti -Tm
         QMAKE_CFLAGS_YACC=
 
         QMAKE_CXX       = $$QMAKE_CC
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -36,7 +36,7 @@ QMAKE_RUN_CXX		= $(CXX) -c $(CXXFLAGS) $(INCPATH) -Fo"$obj" $src
         QMAKE_RUN_CXX_IMP= $(CXX) -c $(CXXFLAGS) $(INCPATH) -Fo"$@" $<
 
         QMAKE_LINK      = icc -Tdp $(CFLAGS)
-        QMAKE_LFLAGS    = -nologo -code:RX -data:RW -def -noe
+        QMAKE_LFLAGS    = -nologo -code:RX -data:RW -def -noe $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE= -OPTF
         QMAKE_LFLAGS_DEBUG= -de -br
         QMAKE_LFLAGS_CONSOLE= -pmtype:vio
diff --git a/mkspecs/win32-watcom/qmake.conf b/mkspecs/win32-watcom/qmake.conf
index d034fe2..dd3a71d 100644
--- a/mkspecs/win32-watcom/qmake.conf
+++ b/mkspecs/win32-watcom/qmake.conf
@@ -12,7 +12,7 @@ QMAKE_LEX		= flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = byacc
         QMAKE_YACCFLAGS         = -d
-        QMAKE_CFLAGS    = -zq
+        QMAKE_CFLAGS    = -zq $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON= -w2
         QMAKE_CFLAGS_WARN_OFF= -w0
         QMAKE_CFLAGS_RELEASE= -ox
@@ -20,7 +20,7 @@ QMAKE_CFLAGS_DEBUG	= -d2
         QMAKE_CFLAGS_YACC=
 
         QMAKE_CXX       = $$QMAKE_CC
-        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS
+        QMAKE_CXXFLAGS  = $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)
         QMAKE_CXXFLAGS_WARN_ON= $$QMAKE_CFLAGS_WARN_ON
         QMAKE_CXXFLAGS_WARN_OFF= $$QMAKE_CFLAGS_WARN_OFF
         QMAKE_CXXFLAGS_RELEASE= $$QMAKE_CFLAGS_RELEASE
@@ -34,7 +34,7 @@ QMAKE_RUN_CC		= $(CC) -c $(CFLAGS) $(INCPATH) -fo=$obj $src
         QMAKE_RUN_CXX   = $(CXX) -c $(CXXFLAGS) $(INCPATH) -fo=$obj $src
 
         QMAKE_LINK      = wlink
-        QMAKE_LFLAGS    = op quiet op c
+        QMAKE_LFLAGS    = op quiet op c $(LFLAGS_EXTRA)
         QMAKE_LFLAGS_RELEASE=
         QMAKE_LFLAGS_DEBUG= d all
         QMAKE_LFLAGS_CONSOLE= sys nt