maint: Resurrect running `make' from a tarball.

This is a follow-up to commit
    8b972da068708a8b17f3ab153ea940690ca49ca9
    Makefile.am: Auto-configure Git on 'make'.

* configure.ac (in_git_p): New conditional.
* Makefile.am (nodist_noinst_DATA): Use it to only enable this when building
from Git.

Change-Id: I09a90a59a4933a8cdb04124467d38209171f2a57

1 files changed, 10 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index ecbd596a34f..8c3a06da376 100644
--- a/configure.ac
+++ b/configure.ac
@@ -265,6 +265,16 @@ dnl Documentation translation.
 AM_MISSING_PROG([PO4A_TRANSLATE], [po4a-translate])
 AM_MISSING_PROG([PO4A_UPDATEPO], [po4a-updatepo])
 
+AC_MSG_CHECKING([if building from git])
+if test -e .git; then
+   in_git_p=yes
+else
+   in_git_p=no
+fi
+AC_MSG_RESULT([$in_git_p])
+AM_CONDITIONAL([in_git_p],
+  [test "x$in_git_p" = "xyes"])
+
 case "$storedir" in
   /gnu/store)
     ;;