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app-text/mupdf: tweak for gcc-10

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Package-Manager: Portage-2.3.84, Repoman-2.3.20
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
This commit is contained in:
Sergei Trofimovich
2020-01-21 23:04:19 +00:00
parent ba3ac00f2f
commit b65f37dd21
2 changed files with 82 additions and 1 deletions
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80
app-text/mupdf/files/mupdf-1.16.1-freeglut-fg_gl2-gcc-10.patch Normal file
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@@ -0,0 +1,80 @@
From 5791564dd934d193df771a0a7c52013e9f456aa1 Mon Sep 17 00:00:00 2001
From: Sergei Trofimovich <slyfox@gentoo.org>
Date: Tue, 21 Jan 2020 22:33:49 +0000
Subject: [PATCH] fg_gl2: fix build failure against gcc-10
On gcc-10 (and gcc-9 -fno-common) build fails as:
```
[ 31%] Linking C executable bin/Lorenz_static
/usr/bin/cmake -E cmake_link_script CMakeFiles/Lorenz_static.dir/link.txt --verbose=1
/usr/lib/ccache/bin/cc -Wall -pedantic -rdynamic CMakeFiles/Lorenz_static.dir/progs/demos/Lorenz/lorenz.c.o \
-o bin/Lorenz_static -lGLU -lGL -lm -lX11 -lXrandr -lXxf86vm -lXi -lm lib/libglut.a -lGL -lm -lX11 -lXrandr -lXxf86vm -lXi
ld: lib/libglut.a(fg_gl2.c.o):(.bss+0x0):
multiple definition of `fghGenBuffers'; lib/libglut.a(fg_window.c.o):(.bss+0x0): first defined here
ld: lib/libglut.a(fg_gl2.c.o):(.bss+0x8):
multiple definition of `fghDeleteBuffers'; lib/libglut.a(fg_window.c.o):(.bss+0x8): first defined here
```
Note: duplicate definition comes here from 'fg_gl2.h'.
The fix is to move declaration to a 'fg_gl2.c' file.
gcc-10 will change the default from -fcommon to fno-common:
https://gcc.gnu.org/PR85678.
The error also happens if CFLAGS=-fno-common passed explicitly.
Bug: https://bugs.gentoo.org/705840
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
---
freeglut/freeglut/src/fg_gl2.c | 12 ++++++++++++
freeglut/freeglut/src/fg_gl2.h | 14 +++++++-------
2 files changed, 19 insertions(+), 7 deletions(-)
--- a/thirdparty/freeglut/src/fg_gl2.c
+++ b/thirdparty/freeglut/src/fg_gl2.c
@@ -27,6 +27,18 @@
#include "fg_internal.h"
#include "fg_gl2.h"
+#ifdef GL_ES_VERSION_2_0
+/* Use existing functions on GLES 2.0 */
+#else
+FGH_PFNGLGENBUFFERSPROC fghGenBuffers;
+FGH_PFNGLDELETEBUFFERSPROC fghDeleteBuffers;
+FGH_PFNGLBINDBUFFERPROC fghBindBuffer;
+FGH_PFNGLBUFFERDATAPROC fghBufferData;
+FGH_PFNGLENABLEVERTEXATTRIBARRAYPROC fghEnableVertexAttribArray;
+FGH_PFNGLDISABLEVERTEXATTRIBARRAYPROC fghDisableVertexAttribArray;
+FGH_PFNGLVERTEXATTRIBPOINTERPROC fghVertexAttribPointer;
+#endif
+
void FGAPIENTRY glutSetVertexAttribCoord3(GLint attrib) {
if (fgStructure.CurrentWindow != NULL)
fgStructure.CurrentWindow->Window.attribute_v_coord = attrib;
--- a/thirdparty/freeglut/src/fg_gl2.h
+++ b/thirdparty/freeglut/src/fg_gl2.h
@@ -67,13 +67,13 @@ typedef void (APIENTRY *FGH_PFNGLENABLEVERTEXATTRIBARRAYPROC) (GLuint index);
typedef void (APIENTRY *FGH_PFNGLDISABLEVERTEXATTRIBARRAYPROC) (GLuint);
typedef void (APIENTRY *FGH_PFNGLVERTEXATTRIBPOINTERPROC) (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
-FGH_PFNGLGENBUFFERSPROC fghGenBuffers;
-FGH_PFNGLDELETEBUFFERSPROC fghDeleteBuffers;
-FGH_PFNGLBINDBUFFERPROC fghBindBuffer;
-FGH_PFNGLBUFFERDATAPROC fghBufferData;
-FGH_PFNGLENABLEVERTEXATTRIBARRAYPROC fghEnableVertexAttribArray;
-FGH_PFNGLDISABLEVERTEXATTRIBARRAYPROC fghDisableVertexAttribArray;
-FGH_PFNGLVERTEXATTRIBPOINTERPROC fghVertexAttribPointer;
+extern FGH_PFNGLGENBUFFERSPROC fghGenBuffers;
+extern FGH_PFNGLDELETEBUFFERSPROC fghDeleteBuffers;
+extern FGH_PFNGLBINDBUFFERPROC fghBindBuffer;
+extern FGH_PFNGLBUFFERDATAPROC fghBufferData;
+extern FGH_PFNGLENABLEVERTEXATTRIBARRAYPROC fghEnableVertexAttribArray;
+extern FGH_PFNGLDISABLEVERTEXATTRIBARRAYPROC fghDisableVertexAttribArray;
+extern FGH_PFNGLVERTEXATTRIBPOINTERPROC fghVertexAttribPointer;
# endif
--
2.25.0

3
app-text/mupdf/mupdf-1.16.1.ebuild
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@@ -1,4 +1,4 @@
# Copyright 1999-2019 Gentoo Authors
# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
@@ -46,6 +46,7 @@ PATCHES=(
"${FILESDIR}"/${PN}-1.10a-add-desktop-pc-xpm-files.patch
# See bugs #662352
"${FILESDIR}"/${PN}-1.15-openssl-x11.patch
"${FILESDIR}"/${PN}-1.16.1-freeglut-fg_gl2-gcc-10.patch
)
src_prepare() {