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enable version.h to be created from subdirs

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Originally committed as revision 13819 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2008-06-19 16:57:38 +00:00
parent 74d9441715
commit 9e6165b53e
4 changed files with 18 additions and 12 deletions
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8
Makefile
View File

@ -67,14 +67,6 @@ ffserver_g$(EXESUF): FF_LDFLAGS += $(FFSERVERLDFLAGS)
%_g$(EXESUF): %.o cmdutils.o $(FF_DEP_LIBS)
$(CC) $(FF_LDFLAGS) -o $@ $< cmdutils.o $(FF_EXTRALIBS)
SVN_ENTRIES = $(SRC_PATH_BARE)/.svn/entries
ifeq ($(wildcard $(SVN_ENTRIES)),$(SVN_ENTRIES))
version.h: $(SVN_ENTRIES)
endif
version.h:
$(SRC_PATH)/version.sh $(SRC_PATH)
output_example$(EXESUF): output_example.o $(FF_DEP_LIBS)
$(CC) $(CFLAGS) $(FF_LDFLAGS) -o $@ $< $(FF_EXTRALIBS)

18
common.mak
View File

@ -9,10 +9,16 @@ vpath %.c $(SRC_DIR)
vpath %.h $(SRC_DIR)
vpath %.S $(SRC_DIR)
ifeq ($(SRC_DIR),$(SRC_PATH_BARE))
BUILD_ROOT_REL = .
else
BUILD_ROOT_REL = ..
endif
ALLFFLIBS = avcodec avdevice avfilter avformat avutil postproc swscale
CFLAGS = -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE \
-D_ISOC9X_SOURCE -I$(BUILD_ROOT) -I$(SRC_PATH) $(OPTFLAGS)
CFLAGS := -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE \
-D_ISOC9X_SOURCE -I$(BUILD_ROOT_REL) -I$(SRC_PATH) $(OPTFLAGS)
%.o: %.c
$(CC) $(CFLAGS) $(LIBOBJFLAGS) -c -o $@ $<
@ -34,6 +40,14 @@ CFLAGS = -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE \
%$(EXESUF): %.c
SVN_ENTRIES = $(SRC_PATH_BARE)/.svn/entries
ifeq ($(wildcard $(SVN_ENTRIES)),$(SVN_ENTRIES))
$(BUILD_ROOT_REL)/version.h: $(SVN_ENTRIES)
endif
$(BUILD_ROOT_REL)/version.h:
$(SRC_PATH)/version.sh $(SRC_PATH) $@
install: install-libs install-headers
uninstall: uninstall-libs uninstall-headers

2
configure vendored
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@ -969,7 +969,7 @@ SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
# gcc stupidly only outputs the basename of targets with -MM
DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "1s,^,$(@D)/,"'
DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "1s,^,$(@D)/," -e "s,[[:space:]]version\\.h,\$$(BUILD_ROOT_REL)/&,"'
# find source path
source_path="`dirname \"$0\"`"

2
version.sh
View File

@ -20,5 +20,5 @@ OLD_REVISION=`cat version.h 2> /dev/null`
# Update version.h only on revision changes to avoid spurious rebuilds
if test "$NEW_REVISION" != "$OLD_REVISION"; then
echo "$NEW_REVISION" > version.h
echo "$NEW_REVISION" > "$2"
fi