From 7eaba5d5fbf83f66b39db42a89db3e7a892c2ea0 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Thu, 5 Jul 2007 15:24:11 +0100
Subject: [PATCH] [configure] Only run PostScript tests if we have ghostscript.

During configure check for the ghostscript command line tool (gs) before
enabling the PostScript surface tests for make check.
---
 boilerplate/cairo-boilerplate.c |  2 +-
 configure.in                    | 14 ++++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/boilerplate/cairo-boilerplate.c b/boilerplate/cairo-boilerplate.c
index 093a55aed..7a0f7e8e3 100644
--- a/boilerplate/cairo-boilerplate.c
+++ b/boilerplate/cairo-boilerplate.c
@@ -261,7 +261,7 @@ static cairo_boilerplate_target_t targets[] =
       _cairo_boilerplate_xlib_cleanup,
       _cairo_boilerplate_xlib_synchronize},
 #endif
-#if CAIRO_HAS_PS_SURFACE
+#if CAIRO_HAS_PS_SURFACE && CAIRO_CAN_TEST_PS_SURFACE
     { "ps", CAIRO_SURFACE_TYPE_PS,
       CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED, 0,
       _cairo_boilerplate_ps_create_surface,
diff --git a/configure.in b/configure.in
index 6634c223a..9fd1942db 100644
--- a/configure.in
+++ b/configure.in
@@ -531,6 +531,19 @@ fi
 dnl ===========================================================================
 
 CAIRO_BACKEND_ENABLE(ps, PostScript, ps, PS_SURFACE, auto, [use_ps=yes])
+test_ps=no
+if test "x$use_ps" = "xyes"; then
+  AC_CHECK_PROG(GS, gs, gs)
+  if test "$GS"; then
+    AC_DEFINE([CAIRO_CAN_TEST_PS_SURFACE], 1, [Define to 1 if the PS backend can be tested (needs ghostscript)])
+    test_ps="yes"
+  else
+    AC_MSG_WARN([PS backend will not be tested since ghostscript is not available])
+    test_ps="no (requires ghostscript)"
+  fi
+fi
+
+AM_CONDITIONAL(CAIRO_CAN_TEST_PS_SURFACE, test "x$test_ps" = "xyes")
 
 dnl ===========================================================================
 
@@ -969,6 +982,7 @@ echo ""
 echo "and the following debug options:"
 echo "  gcov support:  $use_gcov"
 echo "  test surfaces: $use_test_surfaces"
+echo "  ps testing:    $test_ps"
 echo "  pdf testing:   $test_pdf"
 echo "  svg testing:   $test_svg"
 echo ""