1 files changed, 1 insertions, 1 deletions

diff --git a/mkspecs/aix-xlc/qmake.conf b/mkspecs/aix-xlc/qmake.conf
index c74459d..6e17b4a 100644
--- a/mkspecs/aix-xlc/qmake.conf
+++ b/mkspecs/aix-xlc/qmake.conf
@@ -12,17 +12,17 @@ QMAKE_CC		= xlc
         QMAKE_CC_THREAD         = xlc_r
         QMAKE_LEX       = flex
         QMAKE_LEXFLAGS  = 
         QMAKE_YACC      = yacc
         QMAKE_YACCFLAGS         = -d
         QMAKE_CFLAGS    = -qstrict $(CFLAGS_EXTRA)
         QMAKE_CFLAGS_WARN_ON=
         QMAKE_CFLAGS_WARN_OFF=
-        QMAKE_CFLAGS_RELEASE= -O3
+        QMAKE_CFLAGS_RELEASE= $(if $(CFLAGS_RELEASE),$(CFLAGS_RELEASE), -O3)
         QMAKE_CFLAGS_DEBUG= -g
         QMAKE_CFLAGS_SHLIB=
         QMAKE_CFLAGS_YACC=
         QMAKE_CFLAGS_THREAD= -qthreaded -D_THREAD_SAFE
 
         QMAKE_CXX       = xlC
         QMAKE_CXX_THREAD= xlC_r
         QMAKE_CXXFLAGS  = -+ $$QMAKE_CFLAGS $(CXXFLAGS_EXTRA)