04/04: gnu: fontconfig: Fix build failure caused by symbol conflict with address@hidden

[Leo Famulari]

lfam pushed a commit to branch core-updates
in repository guix.

commit fe36608f99384f0bb6d3376038b8ddd82841b020
Author: Leo Famulari <address@hidden>
Date:   Sat Feb 25 11:13:16 2017 -0500

    gnu: fontconfig: Fix build failure caused by symbol conflict with 
address@hidden
    
    * gnu/packages/patches/fontconfig-charwidth-symbol-conflict.patch: New file.
    * gnu/local.mk (dist_patch_DATA): Add it.
    * gnu/packages/fontutils.scm (fontconfig)[source]: Use it.
---
 gnu/local.mk                                       |  1 +
 gnu/packages/fontutils.scm                         |  1 +
 .../fontconfig-charwidth-symbol-conflict.patch     | 82 ++++++++++++++++++++++
 3 files changed, 84 insertions(+)

diff --git a/gnu/local.mk b/gnu/local.mk
index fbf0552..6f7bed9 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -558,6 +558,7 @@ dist_patch_DATA =                                           
\
   %D%/packages/patches/flint-ldconfig.patch                    \
   %D%/packages/patches/fltk-shared-lib-defines.patch           \
   %D%/packages/patches/fltk-xfont-on-demand.patch              \
+  %D%/packages/patches/fontconfig-charwidth-symbol-conflict.patch      \
   %D%/packages/patches/fontforge-svg-modtime.patch             \
   %D%/packages/patches/freeimage-CVE-2015-0852.patch           \
   %D%/packages/patches/freeimage-CVE-2016-5684.patch           \
diff --git a/gnu/packages/fontutils.scm b/gnu/packages/fontutils.scm
index fad0cb1..ad15659 100644
--- a/gnu/packages/fontutils.scm
+++ b/gnu/packages/fontutils.scm
@@ -229,6 +229,7 @@ fonts to/from the WOFF2 format.")
             (uri (string-append
                    
"https://www.freedesktop.org/software/fontconfig/release/fontconfig-";
                    version ".tar.bz2"))
+            (patches (search-patches 
"fontconfig-charwidth-symbol-conflict.patch"))
             (sha256 (base32
                      "1wy7svvp7df6bjpg1m5vizb3ngd7rhb20vpclv3x3qa71khs6jdl"))))
    (build-system gnu-build-system)
diff --git a/gnu/packages/patches/fontconfig-charwidth-symbol-conflict.patch 
b/gnu/packages/patches/fontconfig-charwidth-symbol-conflict.patch
new file mode 100644
index 0000000..8ebe33b
--- /dev/null
+++ b/gnu/packages/patches/fontconfig-charwidth-symbol-conflict.patch
@@ -0,0 +1,82 @@
+The first patch is copied from the upstream source repository:
+
+https://cgit.freedesktop.org/fontconfig/commit/?id=1ab5258f7c2abfafcd63a760ca08bf93591912da
+
+The second patch is adapted from a message to from the OpenEmbedded mailing 
list:
+
+http://lists.openembedded.org/pipermail/openembedded-core/2016-December/130213.html
+
+From 1ab5258f7c2abfafcd63a760ca08bf93591912da Mon Sep 17 00:00:00 2001
+From: Khem Raj <address@hidden>
+Date: Wed, 14 Dec 2016 16:11:05 -0800
+Subject: Avoid conflicts with integer width macros from TS 18661-1:2014
+
+glibc 2.25+ has now defined these macros in <limits.h>
+https://sourceware.org/git/?p=glibc.git;a=commit;h=5b17fd0da62bf923cb61d1bb7b08cf2e1f1f9c1a
+
+Create an alias for FC_CHAR_WIDTH for ABI compatibility
+
+Signed-off-by: Khem Raj <address@hidden>
+
+diff --git a/fontconfig/fontconfig.h b/fontconfig/fontconfig.h
+index 5c72b22..070a557 100644
+--- a/fontconfig/fontconfig.h
++++ b/fontconfig/fontconfig.h
+@@ -128,7 +128,8 @@ typedef int                FcBool;
+ #define FC_USER_CACHE_FILE        ".fonts.cache-" FC_CACHE_VERSION
+ 
+ /* Adjust outline rasterizer */
+-#define FC_CHAR_WIDTH     "charwidth" /* Int */
++#define FC_CHARWIDTH      "charwidth" /* Int */
++#define FC_CHAR_WIDTH     FC_CHARWIDTH
+ #define FC_CHAR_HEIGHT            "charheight"/* Int */
+ #define FC_MATRIX         "matrix"    /* FcMatrix */
+ 
+diff --git a/src/fcobjs.h b/src/fcobjs.h
+index 1fc4f65..d27864b 100644
+--- a/src/fcobjs.h
++++ b/src/fcobjs.h
+@@ -51,7 +51,7 @@ FC_OBJECT (DPI,                      FcTypeDouble,   NULL)
+ FC_OBJECT (RGBA,              FcTypeInteger,  NULL)
+ FC_OBJECT (SCALE,             FcTypeDouble,   NULL)
+ FC_OBJECT (MINSPACE,          FcTypeBool,     NULL)
+-FC_OBJECT (CHAR_WIDTH,                FcTypeInteger,  NULL)
++FC_OBJECT (CHARWIDTH,         FcTypeInteger,  NULL)
+ FC_OBJECT (CHAR_HEIGHT,               FcTypeInteger,  NULL)
+ FC_OBJECT (MATRIX,            FcTypeMatrix,   NULL)
+ FC_OBJECT (CHARSET,           FcTypeCharSet,  FcCompareCharSet)
+-- 
+cgit v0.10.2
+
+From 20cddc824c6501c2082cac41b162c34cd5fcc530 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem at gmail.com>
+Date: Sun, 11 Dec 2016 14:32:00 -0800
+Subject: [PATCH] Avoid conflicts with integer width macros from TS
+ 18661-1:2014
+
+glibc 2.25+ has now defined these macros in <limits.h>
+https://sourceware.org/git/?p=glibc.git;a=commit;h=5b17fd0da62bf923cb61d1bb7b08cf2e1f1f9c1a
+
+Signed-off-by: Khem Raj <raj.khem at gmail.com>
+---
+Upstream-Status: Submitted
+
+ fontconfig/fontconfig.h | 2 +-
+ src/fcobjs.h            | 2 +-
+ src/fcobjshash.gperf    | 2 +-
+ src/fcobjshash.h        | 2 +-
+ 4 files changed, 4 insertions(+), 4 deletions(-)
+
+Index: fontconfig-2.12.1/src/fcobjshash.h
+===================================================================
+--- fontconfig-2.12.1.orig/src/fcobjshash.h
++++ fontconfig-2.12.1/src/fcobjshash.h
+@@ -284,7 +284,7 @@ FcObjectTypeLookup (register const char
+       {(int)(long)&((struct FcObjectTypeNamePool_t 
*)0)->FcObjectTypeNamePool_str43,FC_CHARSET_OBJECT},
+       {-1},
+ #line 47 "fcobjshash.gperf"
+-      {(int)(long)&((struct FcObjectTypeNamePool_t 
*)0)->FcObjectTypeNamePool_str45,FC_CHAR_WIDTH_OBJECT},
++      {(int)(long)&((struct FcObjectTypeNamePool_t 
*)0)->FcObjectTypeNamePool_str45,FC_CHARWIDTH_OBJECT},
+ #line 48 "fcobjshash.gperf"
+       {(int)(long)&((struct FcObjectTypeNamePool_t 
*)0)->FcObjectTypeNamePool_str46,FC_CHAR_HEIGHT_OBJECT},
+ #line 55 "fcobjshash.gperf"