1 files changed, 4 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index 685d213..463e636 100644
--- a/Makefile
+++ b/Makefile
@@ -1,49 +1,53 @@
 #!/usr/bin/make -f
+ifndef QTDIR
+$(error QTDIR not set)
+endif
+
 export OPIEDIR:=$(shell pwd)
 export TOPDIR:=$(OPIEDIR)
 export QMAKE:=$(OPIEDIR)/qmake/qmake
 
 export QMAKESPECSDIR=$(OPIEDIR)/mkspecs
 
 noconfig_targets := xconfig menuconfig config oldconfig randconfig \
                     defconfig allyesconfig allnoconfig allmodconfig \
                     clean-configs
 
 configs += $(TOPDIR)/core/applets/config.in $(TOPDIR)/core/apps/config.in $(TOPDIR)/core/multimedia/config.in $(TOPDIR)/core/pim/config.in $(TOPDIR)/core/pim/today/plugins/config.in $(TOPDIR)/core/settings/config.in $(TOPDIR)/development/config.in $(TOPDIR)/inputmethods/config.in $(TOPDIR)/libopie/ofileselector/config.in $(TOPDIR)/libopie/pim/config.in $(TOPDIR)/libsql/config.in $(TOPDIR)/noncore/applets/config.in $(TOPDIR)/noncore/apps/opie-console/test/config.in $(TOPDIR)/noncore/apps/config.in $(TOPDIR)/noncore/comm/config.in $(TOPDIR)/noncore/decorations/config.in $(TOPDIR)/noncore/games/config.in $(TOPDIR)/noncore/graphics/config.in $(TOPDIR)/noncore/multimedia/config.in $(TOPDIR)/noncore/net/config.in $(TOPDIR)/noncore/net/opietooth/config.in $(TOPDIR)/noncore/settings/config.in $(TOPDIR)/noncore/styles/config.in $(TOPDIR)/noncore/tools/calc2/config.in $(TOPDIR)/noncore/tools/config.in $(TOPDIR)/noncore/unsupported/opiemail/ifaces/config.in $(TOPDIR)/noncore/unsupported/config.in $(TOPDIR)/noncore/todayplugins/config.in
 
 # $(TOPDIR)/.config depends on .depends.cfgs, as it depends on $(configs)
 # in order to have a full set of config.in files.
 # .depends depends on $(TOPDIR)/.config
 # everything else depends on .depends, to ensure the dependencies are
 # intact.
 #
 # NOTE: The order in which things happen in this makefile is
         # -critical-. Do not rearrange this!
  
 all : $(TOPDIR)/.config
 
 $(TOPDIR)/.config : $(TOPDIR)/.depends.cfgs
 
 all menuconfig xconfig oldconfig config randconfig allyesconfig allnoconfig defconfig : $(TOPDIR)/.depends.cfgs
 
 clean-configs :
         @echo "Wiping generated config.in files..."
         @-rm -f $(configs)
 
 -include $(TOPDIR)/.depends.cfgs
 
 all menuconfig xconfig oldconfig config randconfig allyesconfig allnoconfig defconfig : $(configs)
 
 $(TOPDIR)/.config: $(TOPDIR)/.depends.cfgs $(configs)
         $(call descend,scripts/kconfig,conf)
         @if [ ! -e $@ ]; then \
                 cp $(TOPDIR)/def-configs/opie $@; \
         fi;
         @$(MAKE) -C scripts/kconfig conf;
         ./scripts/kconfig/conf -s ./config.in
 
 # config rules must have the $(configs) var defined
 # at the time that they run. we must ensure that .depends.cfgs
 # is built and included by the time we reach this point.
 
 xconfig :