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authorMichael Biebl <biebl@debian.org>2016-10-01 00:33:49 +0200
committerMichael Biebl <biebl@debian.org>2016-10-01 00:33:49 +0200
commit270c4830551c9810ad4e83f9a1db2b1cb946208c (patch)
tree5df09188f7e43b70896efb7b6e942e0b130d75d3 /m4/git-sha-record.m4
parent7514efc2f38c9ace4557d4e69d68e7d380389030 (diff)
New upstream version 1.4.2 upstream/1.4.2
Diffstat (limited to 'm4/git-sha-record.m4')
-rw-r--r--m4/git-sha-record.m415
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
+])