[gnome-color-manager] Search for sane/sane.h as well as the pkgconfig file

[Richard Hughes <rhughes src gnome org>]

commit 37275a20505747d0d6c55f684d940cde314b7404
Author: Richard Hughes <richard hughsie com>
Date:   Wed Mar 24 18:00:15 2010 +0000

    Search for sane/sane.h as well as the pkgconfig file

 configure.ac |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index c8cf3c1..7be400b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -157,7 +157,15 @@ PKG_CHECK_MODULES(X11, x11)
 AC_SUBST(X11_CFLAGS)
 AC_SUBST(X11_LIBS)
 
-PKG_CHECK_MODULES(SANE, sane-backends)
+PKG_CHECK_MODULES(SANE, sane-backends, has_sane=yes, has_sane=no)
+if test $has_sane = "no"; then
+	AC_CHECK_HEADER(sane/sane.h, has_sane=yes, has_sane=no)
+	if test $has_sane = "no"; then
+		AC_MSG_ERROR([Cannot fine SANE])
+	fi
+	SANE_CFLAGS=""
+	SANE_LIBS="-lsane"
+fi
 AC_SUBST(SANE_CFLAGS)
 AC_SUBST(SANE_LIBS)