diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/git-sha-record.m4 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/m4/git-sha-record.m4 b/m4/git-sha-record.m4 new file mode 100644 index 00000000..e259b39f --- /dev/null +++ b/m4/git-sha-record.m4 @@ -0,0 +1,15 @@ +dnl GIT_SHA_RECORD($1, $2) +dnl +dnl $1: the name of the assigned variable. For example NM_GIT_SHA, +dnl NMA_GIT_SHA, LIBNL_GIT_SHA. +dnl $2: by default, a define to config.h is added. This can be +dnl suppressed by passing "no-config-h". +dnl +AC_DEFUN([GIT_SHA_RECORD], [ + m4_define([git_sha_record_v], + [m4_esyscmd([ ( [ -d ./.git/ ] && [ "$(readlink -f ./.git/)" = "$(readlink -f "$(git rev-parse --git-dir 2>/dev/null)" 2>/dev/null)" ] && git rev-parse --verify -q HEAD 2>/dev/null ) || true ])]) +$1=git_sha_record_v +if test ""$2"" != "no-config-h" ; then + AC_DEFINE_UNQUOTED($1,"$$1",[git commit id of the original source code version]) +fi +]) |