mupdf: enable gcc2 support

app-text/mupdf/patches/mupdf-1.6.patchset

@@ -1,4 +1,4 @@
-From 6635faa7ccc1f60a6b32149263ec0784a81bc858 Mon Sep 17 00:00:00 2001
+From 775b47fa707d6f6aea18e6337afc572ee5c18ed6 Mon Sep 17 00:00:00 2001
 From: Chris Roberts <cpr420@gmail.com>
 Date: Mon, 18 Nov 2013 01:10:58 -0700
 Subject: Remove libm and add install-libs target
@@ -52,13 +52,13 @@ index 3777a1c..d53b02e 100644
  tarball:
  	bash scripts/archive.sh
 -- 
-1.8.3.4
+2.2.2
 
 
-From 95cc325359ed50e1448721d5b863ca0cfd098886 Mon Sep 17 00:00:00 2001
+From 26b16cd599ff64153508e30925ef55368dcf0ec3 Mon Sep 17 00:00:00 2001
 From: Adrien Destugues <pulkomandy@pulkomandy.tk>
 Date: Wed, 24 Sep 2014 13:25:59 +0200
-Subject: Add Haiku support.
+Subject: Add Haiku support
 
 
 diff --git a/Makerules b/Makerules
@@ -94,5 +94,61 @@ index 75573da..c6588be 100644
  else ifeq "$(OS)" "Linux"
  
 -- 
-1.8.3.4
+2.2.2
+
+
+From 9a1e2d416be441c199f83239ec3fa0e336c4e0b6 Mon Sep 17 00:00:00 2001
+From: Sergei Reznikov <diver@gelios.net>
+Date: Tue, 31 Mar 2015 16:21:27 +0300
+Subject: gcc2 fixes
+
+---
+ include/mupdf/fitz/system.h |  6 ++++++
+ scripts/cmapdump.c          | 14 ++++++++++++++
+ 2 files changed, 20 insertions(+)
+
+diff --git a/include/mupdf/fitz/system.h b/include/mupdf/fitz/system.h
+index 5df0c50..9e56bdb 100644
+--- a/include/mupdf/fitz/system.h
++++ b/include/mupdf/fitz/system.h
+@@ -61,6 +61,12 @@
+ #define fz_jmp_buf jmp_buf
+ #endif
+ 
++#ifdef __HAIKU__
++#if __GNUC__ < 3
++#define va_copy __va_copy
++#endif
++#endif
++
+ #ifdef _MSC_VER /* Microsoft Visual C */
+ 
+ /* MSVC up to VS2012 */
+diff --git a/scripts/cmapdump.c b/scripts/cmapdump.c
+index 3251c70..50b8893 100644
+--- a/scripts/cmapdump.c
++++ b/scripts/cmapdump.c
+@@ -19,6 +19,20 @@
+ #include "../source/fitz/ftoa.c"
+ #include "../source/fitz/printf.c"
+ 
++#ifdef __HAIKU__
++#if __GNUC__ < 3
++#include "../source/fitz/output.c"
++
++unsigned int
++fz_pixmap_size(fz_context *ctx, fz_pixmap * pix)
++{
++    if (pix == NULL)
++        return 0;
++    return sizeof(*pix) + pix->n * pix->w * pix->h;
++}
++#endif
++#endif
++
+ #include "../source/pdf/pdf-lex.c"
+ #include "../source/pdf/pdf-cmap.c"
+ #include "../source/pdf/pdf-cmap-parse.c"
+-- 
+2.2.2