Conditionalise the automake git-commit embedding.

[PuTTY.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index e951a286b2e884128d2b821b05ed612956052c21..adb31915b501f082e366c2297169df9189147948 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -42,6 +42,18 @@ AS_IF([test "x$setidtype" = "xsetgid"],
 AC_SUBST(SETID_CMD)
 AC_SUBST(SETID_MODE)
 
+AC_ARG_ENABLE([git-commit],
+  [AS_HELP_STRING([--disable-git-commit],
+                  [disable embedding current git HEAD in binaries])],
+  [],
+  [if test -d "$srcdir/.git"; then
+    enable_git_commit=yes; else enable_git_commit=no; fi])
+
+if test "x$enable_git_commit" = "xyes" -a ! -d "$srcdir/.git"; then
+  AC_ERROR([Cannot --enable-git-commit when source tree is not a git checkout])
+fi
+AM_CONDITIONAL(AUTO_GIT_COMMIT, [test "x$enable_git_commit" = "xyes"])
+
 AC_ARG_WITH([gssapi],
   [AS_HELP_STRING([--without-gssapi],
                   [disable GSSAPI support])],