[gimp/soc-2010-cage] app: Test for existance of git-version.h.tmp before comparing

[Michael Muré <mmure src gnome org>]

commit 1c7d96eeaff0e7dde7b00c74359612942a11e402
Author: Martin Nordholts <martinn src gnome org>
Date:   Mon Jun 21 20:38:05 2010 +0200

    app: Test for existance of git-version.h.tmp before comparing
    
    Test for existance of git-version.h.tmp before comparing. Otherwise
    cmp will complain when building tarballs.

 app/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/app/Makefile.am b/app/Makefile.am
index 4e19ede..414020a 100644
--- a/app/Makefile.am
+++ b/app/Makefile.am
@@ -282,7 +282,7 @@ git-version.h: update-git-version-header
 	elif test ! -f "$@"; then \
 	  echo "#define GIMP_GIT_VERSION \"Unknown, shouldn't happen\"" > "$  tmp"; \
 	fi
-	@if ( test -f "$@" && cmp "$  tmp" "$@" > /dev/null); then \
+	@if ( test -f "$  tmp" && test -f "$@" && cmp "$  tmp" "$@" > /dev/null ); then \
 	  rm -f "$  tmp"; \
 	elif test -f "$  tmp"; then \
 	  mv "$  tmp" "$@"; \