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configure: Add a --disable-version-tracking option

This disables regenerating ffversion.h whenever the checked out
git commit changes, speeding up development rebuilds.

Whenever this option is set, force the version to be printed as
"unknown" rather than showing potentially stale information.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2023-12-15 13:03:49 +02:00
parent 9415c2c11f
commit 1e42a48e37
2 changed files with 10 additions and 1 deletions

View File

@ -133,13 +133,18 @@ endif
$(LD) $(LDFLAGS) $(LDEXEFLAGS) $(LD_O) $(OBJS-$*) $(FF_EXTRALIBS)
VERSION_SH = $(SRC_PATH)/ffbuild/version.sh
ifeq ($(VERSION_TRACKING),yes)
GIT_LOG = $(SRC_PATH)/.git/logs/HEAD
endif
.version: $(wildcard $(GIT_LOG)) $(VERSION_SH) ffbuild/config.mak
.version: M=@
ifneq ($(VERSION_TRACKING),yes)
libavutil/ffversion.h .version: REVISION=unknown
endif
libavutil/ffversion.h .version:
$(M)$(VERSION_SH) $(SRC_PATH) libavutil/ffversion.h $(EXTRA_VERSION)
$(M)revision=$(REVISION) $(VERSION_SH) $(SRC_PATH) libavutil/ffversion.h $(EXTRA_VERSION)
$(Q)touch .version
# force version.sh to run whenever version might have changed

4
configure vendored
View File

@ -505,6 +505,7 @@ Developer options (useful when working on FFmpeg itself):
--enable-macos-kperf enable macOS kperf (private) API
--disable-large-tests disable tests that use a large amount of memory
--disable-ptx-compression don't compress CUDA PTX code even when possible
--disable-version-tracking don't include the git/release version in the build
NOTE: Object files are built at the place where configure is launched.
EOF
@ -2578,6 +2579,7 @@ CMDLINE_SELECT="
optimizations
rpath
stripping
version_tracking
"
PATHS_LIST="
@ -3996,6 +3998,7 @@ enable $DOCUMENT_LIST
enable $EXAMPLE_LIST
enable $LIBRARY_LIST
enable stripping
enable version_tracking
enable asm
enable debug
@ -8032,6 +8035,7 @@ SAMPLES:=${samples:-\$(FATE_SAMPLES)}
NOREDZONE_FLAGS=$noredzone_flags
LIBFUZZER_PATH=$libfuzzer_path
IGNORE_TESTS=$ignore_tests
VERSION_TRACKING=$version_tracking
EOF
map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST