rockbox/tools/functions.make
Björn Stenberg 3eece18b95 Write dependencies to a temporary file until they are completed. This fixes the problem with an aborted dependency generation not being detected.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19241 a1c6a512-1295-4272-9138-f99709370657
2008-11-26 23:20:12 +00:00

66 lines
2.4 KiB
Makefile

# __________ __ ___.
# Open \______ \ ____ ____ | | _\_ |__ _______ ___
# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
# \/ \/ \/ \/ \/
# $Id$
#
# preprocess - run preprocessor on a file and return the result as a string
#
# This uses the native 'gcc' compiler and not $(CC) since we use the -imacros
# option and older gcc compiler doesn't have that. We use one such older
# compiler for the win32 cross-compiles on Linux.
#
# The weird grep -v thing in here is due to Apple's stupidities and is needed
# to make this do right when used on Mac OS X.
#
# The sed line is to prepend the directory to all source files
preprocess = $(shell $(CC) $(PPCFLAGS) $(2) -E -P -x c -include config.h $(1) | \
grep -v '^\#' | \
sed -e 's:^..*:$(dir $(1))&:')
preprocess2file = $(shell $(CC) $(PPCFLAGS) $(3) -E -P -x c -include config.h $(1) | \
grep -v '^\#' | grep -v "^$$" > $(2))
c2obj = $(subst .c,.o,$(subst .S,.o,$(subst $(ROOTDIR),$(BUILDDIR),$(1))))
# calculate dependencies for a list of source files $(2) and output them
# to a file $(1)
mkdepfile = $(shell \
$(CC) $(PPCFLAGS) $(OTHER_INC) -MG -MM -include config.h $(2) | \
$(TOOLSDIR)/addtargetdir.pl $(ROOTDIR) $(BUILDDIR) | \
sed -e "s: lang.h: $(BUILDDIR)/lang.o:" \
-e "s: sysfont.h: $(BUILDDIR)/sysfont.h:" \
-e "s: max_language_size.h: $(BUILDDIR)/max_language_size.h:" \
-e "s: bitmaps/: $(BUILDDIR)/bitmaps/:g" \
-e "s: pluginbitmaps/: $(BUILDDIR)/pluginbitmaps/:g" \
-e "s: lib/: $(APPSDIR)/plugins/lib/:g" \
-e "s: codeclib.h: $(APPSDIR)/codecs/lib/codeclib.h:g" \
> $(1)_ && mv $(1)_ $(1) )
# function to create .bmp dependencies
bmpdepfile = $(shell \
for each in $(2); do \
obj=`echo $$each | sed -e 's/\.bmp/.o/' -e 's:$(ROOTDIR):$(BUILDDIR):'`; \
src=`echo $$each | sed -e 's/\.bmp/.c/' -e 's:$(ROOTDIR):$(BUILDDIR):'`; \
echo $$obj: $$src; \
echo $$src: $$each; \
done \
>> $(1); )
ifndef V
SILENT:=@
else
VERBOSEOPT:=-v
endif
PRINTS=$(SILENT)$(call info,$(1))
# old 'make' versions don't have the built-in 'info' function
info=old$(shell echo >&2 "Consider upgrading to GNU make 3.81+ for optimum build performance.")
ifeq ($(call info),old)
export info=echo "$$(1)";
endif