From 4835e35b1d483922ff6c80e6ed3a4d7055233e1b Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Mon, 23 May 2016 22:35:12 +0100
Subject: [PATCH] Various moderately unpleasant hacks for Centos 5 build.

---
 src/lib/render_subtitles.cc | 16 +++++++++++++++-
 wscript                     | 26 +++++++++++++++++++++-----
 2 files changed, 36 insertions(+), 6 deletions(-)

diff --git a/src/lib/render_subtitles.cc b/src/lib/render_subtitles.cc
index ed7d131fd..16c6a3c4e 100644
--- a/src/lib/render_subtitles.cc
+++ b/src/lib/render_subtitles.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2014-2015 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2014-2016 Carl Hetherington <cth@carlh.net>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -23,6 +23,7 @@
 #include "cross.h"
 #include "font.h"
 #include "dcpomatic_assert.h"
+#include <fontconfig/fontconfig.h>
 #include <cairomm/cairomm.h>
 #include <pangomm.h>
 #include <boost/foreach.hpp>
@@ -81,6 +82,7 @@ render_line (list<dcp::SubtitleString> subtitles, list<shared_ptr<Font> > fonts,
 	shared_ptr<Image> image (new Image (AV_PIX_FMT_RGBA, dcp::Size (target.width, height), false));
 	image->make_black ();
 
+#ifdef DCPOMATIC_HAVE_FORMAT_STRIDE_FOR_WIDTH
 	Cairo::RefPtr<Cairo::ImageSurface> surface = Cairo::ImageSurface::create (
 		image->data()[0],
 		Cairo::FORMAT_ARGB32,
@@ -88,6 +90,18 @@ render_line (list<dcp::SubtitleString> subtitles, list<shared_ptr<Font> > fonts,
 		image->size().height,
 		Cairo::ImageSurface::format_stride_for_width (Cairo::FORMAT_ARGB32, image->size().width)
 		);
+#else
+	/* Centos 5 does not have Cairo::ImageSurface::format_stride_for_width, so just use width * 4
+	   which I hope is safe (if slow)
+	*/
+	Cairo::RefPtr<Cairo::ImageSurface> surface = Cairo::ImageSurface::create (
+		image->data()[0],
+		Cairo::FORMAT_ARGB32,
+		image->size().width,
+		image->size().height,
+		image->size().width * 4
+		);
+#endif
 
 	Cairo::RefPtr<Cairo::Context> context = Cairo::Context::create (surface);
 
diff --git a/wscript b/wscript
index 59c85e8f7..df7fc3cd7 100644
--- a/wscript
+++ b/wscript
@@ -201,8 +201,9 @@ def configure(conf):
 
     # See if we are using the MagickCore or MagickLib namespaces
     conf.check_cxx(fragment="""
-                            #include <Magick++/Include.h>
-                            using namespace MagickCore;
+                            #include <Magick++/Include.h>\n
+                            using namespace MagickCore;\n
+                            int main () { return 0; }\n
                             """,
                    mandatory=False,
                    msg='Checking for MagickCore namespace',
@@ -210,8 +211,9 @@ def configure(conf):
                    define_name='DCPOMATIC_HAVE_MAGICKCORE_NAMESPACE')
 
     conf.check_cxx(fragment="""
-                            #include <Magick++/Include.h>
-                            using namespace MagickLib
+                            #include <Magick++/Include.h>\n
+                            using namespace MagickLib;\n
+                            int main () { return 0; }\n
                             """,
                    mandatory=False,
                    msg='Checking for MagickLib namespace',
@@ -230,6 +232,18 @@ def configure(conf):
     # cairomm
     conf.check_cfg(package='cairomm-1.0', args='--cflags --libs', uselib_store='CAIROMM', mandatory=True)
 
+    # See if we have Cairo::ImageSurface::format_stride_for_width
+    conf.check_cxx(fragment="""
+                            #include <cairomm/cairomm.h>
+                            int main(void) {
+                                Cairo::ImageSurface::format_stride_for_width (Cairo::FORMAT_ARGB, 1024);\n
+                                return 0; }\n
+                            """,
+                       mandatory=False,
+                       msg='Checking for format_stride_for_width',
+                       okmsg='yes',
+                       define_name='DCPOMATIC_HAVE_FORMAT_STRIDE_FOR_WIDTH')
+
     # libcxml
     if conf.options.static_cxml:
         conf.check_cfg(package='libcxml', atleast_version='0.15.1', args='--cflags', uselib_store='CXML', mandatory=True)
@@ -283,7 +297,9 @@ def configure(conf):
 
     # libxmlsec
     if conf.options.static_xmlsec:
-        conf.env.STLIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
+        conf.env.STLIB_XMLSEC = ['xmlsec1']
+        if conf.check_cxx(lib='xmlsec1-openssl', mandatory=False):
+            conf.env.STLIB_XMLSEC.append('xmlsec1-openssl')
     else:
         conf.env.LIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
 
-- 
2.30.2