[giggle] configure.ac: support VPATH builds and use recommended quoting

[Javier JardÃn <jjardon src gnome org>]

commit 73df3bb17879ab11654c74f86328de459bf9e185
Author: Javier JardÃn <jjardon gnome org>
Date:   Tue Jul 19 21:57:31 2011 +0200

    configure.ac: support VPATH builds and use recommended quoting

 configure.ac |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index eaf78f8..ffc3880 100644
--- a/configure.ac
+++ b/configure.ac
@@ -161,14 +161,18 @@ fi
 dnl ---------------------------------------------------------------------------
 dnl - Use strict options (default enabled for devs, disabled in releases)
 dnl ---------------------------------------------------------------------------
-if test -d ".git"; then
+if test -d "${srcdir}/.git"; then
 	default_strict=yes
 else
 	default_strict=no
 fi
 
-AC_ARG_ENABLE(strict, AS_HELP_STRING([--enable-strict],[Enable strict compilation options]), enable_strict=$enableval,
-					enable_strict=$default_strict)
+AC_ARG_ENABLE([strict],
+              [AS_HELP_STRING([--enable-strict],
+                              [Enable strict compilation options])],
+              [enable_strict=$enableval],
+              [enable_strict=$default_strict])
+
 if test x$enable_strict != xno; then
 	CPPFLAGS="$CPPFLAGS -DG_DISABLE_SINGLE_INCLUDES -DGTK_DISABLE_SINGLE_INCLUDES"
 	CPPFLAGS="$CPPFLAGS -DG_DISABLE_DEPRECATED -DGTK_DISABLE_DEPRECATED -DGDK_DISABLE_DEPRECATED"