build: avoid "make check" failure without .git/ directory

* Makefile (sc_prefer_ac_check_funcs_once): Skip this test when
there is no .git/ directory.

diff --git a/ChangeLog b/ChangeLog
index 9208e2f..8d6acc0 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2010-04-24  Ian Beckwith  <ianb@erislabs.net>
+
+       build: avoid "make check" failure without .git/ directory
+       * Makefile (sc_prefer_ac_check_funcs_once): Skip this test when
+       there is no .git/ directory.
+
 2010-04-25  Bruno Haible  <bruno@clisp.org>
 
        ptsname: Fix misuse of ttyname_r.

diff --git a/Makefile b/Makefile
index d2878d6..0596ba6 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -16,9 +16,11 @@ info html dvi pdf:
 check: sc_prefer_ac_check_funcs_once
 
 sc_prefer_ac_check_funcs_once:
-       git grep -w -l AC_CHECK_FUNCS modules && \
-         { echo use AC_CHECK_FUNCS_ONCE, not AC_CHECK_FUNCS in modules/ 1>&2; \
-           exit 1; } || :
+       if test -d .git; then                                           \
+          git grep -w -l AC_CHECK_FUNCS modules                                \
+            && { echo use AC_CHECK_FUNCS_ONCE, not AC_CHECK_FUNCS      \
+                   in modules/ 1>&2; exit 1; } || :                    \
+       else :; fi
 
 # Regenerate some files that are stored in the repository.
 regen: MODULES.html