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build: Add an option to not use the git hash in version

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When developing, it's quite annoying that the version changes every
commit, causing the library to be rebuild and every single binary
re-linked.

Add a config option to skip that.

I remember Ville asking for this "feature" as well.

v2: Option is now called --disable-git-hash (Thomas)
    Various spelling mistakes (Thomas)

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
This commit is contained in:
Damien Lespiau 2015-07-01 23:40:36 +01:00
parent 0a01a190f6
commit e5653d5f1d
2 changed files with 12 additions and 0 deletions
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7
configure.ac
View File

@ -212,6 +212,13 @@ if test "x$enable_debug" = xyes; then
AC_SUBST([DEBUG_CFLAGS])
fi
# prevent relinking the world on every commit for developers
AC_ARG_ENABLE(git-hash,
AS_HELP_STRING([--disable-git-hash],
[Do not use git hash in version]),
[git_hash=$enableval], [git_hash=yes])
AM_CONDITIONAL(SKIP_GIT_HASH, [test "x$git_hash" = xno])
# -----------------------------------------------------------------------------
# To build multithread code, gcc uses -pthread, Solaris Studio cc uses -mt

5
lib/Makefile.sources
View File

@ -60,6 +60,10 @@ libintel_tools_la_SOURCES = \
.PHONY: version.h.tmp
if SKIP_GIT_HASH
$(IGT_LIB_PATH)/version.h.tmp:
@echo '#define IGT_GIT_SHA1 "git"' >> $@
else
$(IGT_LIB_PATH)/version.h.tmp:
@touch $@
@if test -d $(GPU_TOOLS_PATH)/.git; then \
@ -73,6 +77,7 @@ $(IGT_LIB_PATH)/version.h.tmp:
else \
echo '#define IGT_GIT_SHA1 "NOT-GIT"' ; \
fi >> $@
endif # SKIP_GIT_HASH
$(IGT_LIB_PATH)/version.h: $(IGT_LIB_PATH)/version.h.tmp