diff options
Diffstat (limited to 'tools/make.inc')
| -rw-r--r-- | tools/make.inc | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/tools/make.inc b/tools/make.inc index ea9815b..b5eae44 100644 --- a/tools/make.inc +++ b/tools/make.inc @@ -14,12 +14,24 @@ $(OBJDIR)/%.o: %.S @echo "CC $<" $(SILENT)$(CC) $(CFLAGS) -c $< -o $@ -# the lame echo stuff down here is to prevent any compiler errors/warnings -# to cause an error code to get returned and thus stop the build +# The echo stuff last in the dep update shell magic is to prevent any compiler +# errors/warnings to cause an error code to get returned and thus stop the +# build +# +# This script checks for the presence of $(BUILDDIR)/lang.h and if it doesn't +# alreay exist, it is created. This is because lots of files include this +# *generated* file and if it doesn't exist when we generate the deps it is no +# good. There's a -MG compiler option to cover for this case, but it doesn't +# play nicely into this as it then adds a dependency to the lang.h file +# without the proper path. +# $(DEPFILE): $(SOURCES) $(SILENT)mkdir -p `dirname $(DEPFILE)` $(SILENT)rm -f $(DEPFILE) - $(SILENT)(for each in $(SOURCES) x; do \ + $(SILENT)(if test ! -f $(BUILDDIR)/lang.h; then \ + touch $(BUILDDIR)/lang.h; \ + fi; \ + for each in $(SOURCES) x; do \ if test "x" != "$$each"; then \ obj=`echo $$each | sed -e 's/\.[cS]/.o/'`; \ $(CC) -MM -MT "$(OBJDIR)/$$obj" $(CFLAGS) $$each >> $(DEPFILE) 2>/dev/null; \ |