[Mesa-dev] [Bug 91711] mesa-9.1.3: undefined reference to `wglGetProcAddress@4'

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91711

Timothy Arceri  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |NOTABUG

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[Mesa-dev] [Bug 91711] mesa-9.1.3: undefined reference to `wglGetProcAddress@4'

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91711

--- Comment #1 from YuGiOhJCJ yugioh...@1s.fr ---
OK I found how to solve this problem.
Instead of using the libopengl32.a file provided by mesa I need to use the one
provided by my cross-compiler.
The problem is that my current cross-compiler [1] does not provide the
/usr/i686-pc-mingw32/lib/libopengl32.a file.
So, I have installed a new cross-compiler [2] that does correctly the job.

Now, my cross-compiler already provides a
/usr/i686-pc-mingw32/lib/libopengl32.a file.
So, I should not cross-compiling mesa because it will overrides this file that
will contain incorrect symbols.

The libopengl32.a provided by my new cross-compiler contains the correct
symbols:
$ nm /usr/i686-w64-mingw32/lib/libopengl32.a | grep wglGetProc
 I __imp__wglGetProcAddress@4
 T _wglGetProcAddress@4

The question is why I need to use the library provided by my cross-compiler and
not the one from mesa?

[1] http://www.mingw.org/
[2] http://mingw-w64.org

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[Mesa-dev] [Bug 91711] mesa-9.1.3: undefined reference to `wglGetProcAddress@4'

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91711

YuGiOhJCJ yugioh...@1s.fr changed:

   What|Removed |Added

 CC||yugioh...@1s.fr

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[Mesa-dev] [Bug 91711] mesa-9.1.3: undefined reference to `wglGetProcAddress@4'

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91711

Bug ID: 91711
   Summary: mesa-9.1.3: undefined reference to
`wglGetProcAddress@4'
   Product: Mesa
   Version: 9.1
  Hardware: x86 (IA32)
OS: Linux (All)
Status: NEW
  Severity: major
  Priority: medium
 Component: Other
  Assignee: mesa-dev@lists.freedesktop.org
  Reporter: yugioh...@1s.fr
QA Contact: mesa-dev@lists.freedesktop.org

Hello,

Since I have cross-compiled mesa-9.1.3 (linux - windows), I am unable to
cross-compile software that are using the opengl32 library:

1) glfw-3.1.1:
$ make
[ 23%] Built target glfw
Linking C executable boing.exe
../src/libglfw3.a(wgl_context.c.obj):wgl_context.c:(.text+0xa9): undefined
reference to `wglGetProcAddress@4'
../src/libglfw3.a(wgl_context.c.obj):wgl_context.c:(.text+0xd0): undefined
reference to `wglGetProcAddress@4'
../src/libglfw3.a(wgl_context.c.obj):wgl_context.c:(.text+0x140): undefined
reference to `wglGetProcAddress@4'
../src/libglfw3.a(wgl_context.c.obj):wgl_context.c:(.text+0x207): undefined
reference to `wglGetProcAddress@4'
../src/libglfw3.a(wgl_context.c.obj):wgl_context.c:(.text+0x248): undefined
reference to `wglGetProcAddress@4'
../src/libglfw3.a(wgl_context.c.obj):wgl_context.c:(.text+0xe07): undefined
reference to `wglCreateContext@4'
../src/libglfw3.a(wgl_context.c.obj):wgl_context.c:(.text+0xe5b): undefined
reference to `wglShareLists@8'
../src/libglfw3.a(wgl_context.c.obj):wgl_context.c:(.text+0xebe): undefined
reference to `wglDeleteContext@4'
../src/libglfw3.a(wgl_context.c.obj):wgl_context.c:(.text+0x10da): undefined
reference to `wglMakeCurrent@8'
../src/libglfw3.a(wgl_context.c.obj):wgl_context.c:(.text+0x10f3): undefined
reference to `wglMakeCurrent@8'
../src/libglfw3.a(wgl_context.c.obj):wgl_context.c:(.text+0x1213): undefined
reference to `wglGetProcAddress@4'
collect2: error: ld returned 1 exit status
make[2]: *** [examples/boing.exe] Error 1
make[1]: *** [examples/CMakeFiles/boing.dir/all] Error 2
make: *** [all] Error 2

2) glew-1.13.0:
$ make SYSTEM=linux-mingw32 CC=i686-pc-mingw32-gcc LD=i686-pc-mingw32-ld
i686-pc-mingw32-gcc -DGLEW_NO_GLU -DGLEW_BUILD -O2 -Wall -W -Iinclude   -o
tmp/linux-mingw32/default/shared/glew.o -c src/glew.c
i686-pc-mingw32-ld -shared -soname libglew32.dll --out-implib
lib/libglew32.dll.a -o lib/glew32.dll
tmp/linux-mingw32/default/shared/glew.o  -lopengl32 -lgdi32 -luser32 -lkernel32 
tmp/linux-mingw32/default/shared/glew.o:glew.c:(.text+0x3cc): undefined
reference to `wglGetProcAddress@4'
tmp/linux-mingw32/default/shared/glew.o:glew.c:(.text+0x3e8): undefined
reference to `wglGetProcAddress@4'
tmp/linux-mingw32/default/shared/glew.o:glew.c:(.text+0x404): undefined
reference to `wglGetProcAddress@4'
tmp/linux-mingw32/default/shared/glew.o:glew.c:(.text+0x418): undefined
reference to `wglGetProcAddress@4'
tmp/linux-mingw32/default/shared/glew.o:glew.c:(.text+0x42c): undefined
reference to `wglGetProcAddress@4'
tmp/linux-mingw32/default/shared/glew.o:glew.c:(.text+0x440): more undefined
references to `wglGetProcAddress@4' follow
tmp/linux-mingw32/default/shared/glew.o:glew.c:(.text+0x1783f): undefined
reference to `wglGetCurrentDC@0'
tmp/linux-mingw32/default/shared/glew.o:glew.c:(.text+0x178af): undefined
reference to `wglGetProcAddress@4'
tmp/linux-mingw32/default/shared/glew.o:glew.c:(.text+0x178c3): undefined
reference to `wglGetProcAddress@4'
tmp/linux-mingw32/default/shared/glew.o:glew.c:(.text+0x178de): undefined
reference to `wglGetCurrentDC@0'
tmp/linux-mingw32/default/shared/glew.o:glew.c:(.text+0x1795a): undefined
reference to `wglGetProcAddress@4'
tmp/linux-mingw32/default/shared/glew.o:glew.c:(.text+0x17ae0): undefined
reference to `wglGetProcAddress@4'
tmp/linux-mingw32/default/shared/glew.o:glew.c:(.text+0x17afc): undefined
reference to `wglGetProcAddress@4'
tmp/linux-mingw32/default/shared/glew.o:glew.c:(.text+0x17b1a): undefined
reference to `wglGetProcAddress@4'
tmp/linux-mingw32/default/shared/glew.o:glew.c:(.text+0x17efc): undefined
reference to `wglGetProcAddress@4'
tmp/linux-mingw32/default/shared/glew.o:glew.c:(.text+0x17f18): more undefined
references to `wglGetProcAddress@4' follow
make: *** [lib/glew32.dll] Error 1

Maybe this can help to understand the problem:
$ nm /usr/i686-pc-mingw32/lib/libopengl32.a | grep wglGetProc
 I __imp__wglGetProcAddress
 T _wglGetProcAddress

Any idea why it happens?

Thank you.
Best regards.

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