VS2015: "error C2011: 'timespec': 'struct' type redefinition"

[cmdrf]

It seems that VS2015 already has an implemention of struct timespec, so the one in threads.h causes said error message. I guess the macro _TIMESPEC_DEFINED is only defined in MinGW.

[kcat]

Looks that way. Should be fixed now in commit ed3f32b, please let me know if there's still any issues.

[cmdrf]

You're quick ;). I was currently testing fixes in my fork. I'll let you know how testing of both solutions turns out. Thanks!

[cmdrf]

It compiles fine on:

• VS2013
• VS2015
• GCC on Debian 8.0
• MinGW on Debian 8.0
• OS X 10.10

Nice work!

[raysan5]

Hi @kcat, I tried to compile OpenAL Soft with MinGW32 (GCC 5.3.0) and I still have this issue...

...
In file included from C:\openal-soft-master\common\rwlock.c:8:0:
C:/openal-soft-master/include/threads.h:38:8: error: redefinition of 'struct timespec'
 struct timespec {
        ^
In file included from C:/openal-soft-master/include/threads.h:4:0,
                 from C:\openal-soft-master\common\rwlock.c:8:
c:\mingw\include\time.h:102:8: note: originally defined here
 struct timespec
        ^
CMakeFiles\common.dir\build.make:112: recipe for target 'CMakeFiles/common.dir/common/rwlock.c.obj' failed
mingw32-make.exe[2]: *** [CMakeFiles/common.dir/common/rwlock.c.obj] Error 1
...

Is it possible to get it working with MinGW32 or should I definitely need to update to MinGW64? :)

[kcat]

It should be possible to get working with MinGW32, assuming the compiler can otherwise handle OpenAL Soft. I just need to not be lazy and do a proper check for that struct, rather than try to guess based on some compiler-dependent macros.

[kcat]

Commit bb6fba2 should fix that error with MinGW32.

[raysan5]

Hi @kcat! Thank you very much for looking into this issue so quickly and excuse me for my late response.

When trying to build OpenAL Soft with the generated Makefile (cmake -G "MinGW Makefiles" -DLIBTYPE=STATIC ..), now I get the following errors:

C:\openal-soft-master\build>cmake --build .
Scanning dependencies of target common
[  1%] Building C object CMakeFiles/common.dir/common/almalloc.c.obj
[  3%] Building C object CMakeFiles/common.dir/common/atomic.c.obj
[  4%] Building C object CMakeFiles/common.dir/common/rwlock.c.obj
[  6%] Building C object CMakeFiles/common.dir/common/threads.c.obj
[  7%] Building C object CMakeFiles/common.dir/common/uintmap.c.obj
[  9%] Linking C static library libcommon.a
[  9%] Built target common
Scanning dependencies of target OpenAL32
[ 10%] Building C object CMakeFiles/OpenAL32.dir/common/almalloc.c.obj
[ 12%] Building C object CMakeFiles/OpenAL32.dir/common/atomic.c.obj
[ 13%] Building C object CMakeFiles/OpenAL32.dir/common/rwlock.c.obj
[ 15%] Building C object CMakeFiles/OpenAL32.dir/common/threads.c.obj
[ 16%] Building C object CMakeFiles/OpenAL32.dir/common/uintmap.c.obj
[ 18%] Building C object CMakeFiles/OpenAL32.dir/OpenAL32/alAuxEffectSlot.c.obj
In file included from c:\raylib\mingw\include\wchar.h:208:0,
                 from C:/openal-soft-master/Alc/alstring.h:42,
                 from C:/openal-soft-master/OpenAL32/Include/alMain.h:38,
                 from C:\openal-soft-master\OpenAL32\alAuxEffectSlot.c:28:
c:\raylib\mingw\include\sys/stat.h:173:14: error: unknown type name '_dev_t'
 struct _stat __struct_stat_defined( _off_t, time_t );
              ^
c:\raylib\mingw\include\sys/stat.h:173:14: error: unknown type name '_ino_t'
 struct _stat __struct_stat_defined( _off_t, time_t );
              ^
c:\raylib\mingw\include\sys/stat.h:173:14: error: unknown type name '_mode_t'
 struct _stat __struct_stat_defined( _off_t, time_t );
              ^
c:\raylib\mingw\include\sys/stat.h:173:14: error: unknown type name '_dev_t'
 struct _stat __struct_stat_defined( _off_t, time_t );
              ^
c:\raylib\mingw\include\sys/stat.h:173:14: error: unknown type name '_off_t'
 struct _stat __struct_stat_defined( _off_t, time_t );
              ^
c:\raylib\mingw\include\sys/stat.h:173:14: error: unknown type name 'time_t'
 struct _stat __struct_stat_defined( _off_t, time_t );
              ^
c:\raylib\mingw\include\sys/stat.h:173:14: error: unknown type name 'time_t'
 struct _stat __struct_stat_defined( _off_t, time_t );
              ^
c:\raylib\mingw\include\sys/stat.h:173:14: error: unknown type name 'time_t'
 struct _stat __struct_stat_defined( _off_t, time_t );
              ^
c:\raylib\mingw\include\sys/stat.h:180:13: error: unknown type name '_dev_t'
 struct stat __struct_stat_defined( _off_t, time_t );
             ^
c:\raylib\mingw\include\sys/stat.h:180:13: error: unknown type name '_ino_t'
 struct stat __struct_stat_defined( _off_t, time_t );
             ^
c:\raylib\mingw\include\sys/stat.h:180:13: error: unknown type name '_mode_t'
 struct stat __struct_stat_defined( _off_t, time_t );
             ^
c:\raylib\mingw\include\sys/stat.h:180:13: error: unknown type name '_dev_t'
 struct stat __struct_stat_defined( _off_t, time_t );
             ^
c:\raylib\mingw\include\sys/stat.h:180:13: error: unknown type name '_off_t'
 struct stat __struct_stat_defined( _off_t, time_t );
             ^
c:\raylib\mingw\include\sys/stat.h:180:13: error: unknown type name 'time_t'
 struct stat __struct_stat_defined( _off_t, time_t );
             ^
c:\raylib\mingw\include\sys/stat.h:180:13: error: unknown type name 'time_t'
 struct stat __struct_stat_defined( _off_t, time_t );
             ^
c:\raylib\mingw\include\sys/stat.h:180:13: error: unknown type name 'time_t'
 struct stat __struct_stat_defined( _off_t, time_t );
             ^
c:\raylib\mingw\include\sys/stat.h:188:17: error: unknown type name '_dev_t'
 struct _stati64 __struct_stat_defined( __off64_t, time_t );
                 ^
c:\raylib\mingw\include\sys/stat.h:188:17: error: unknown type name '_ino_t'
 struct _stati64 __struct_stat_defined( __off64_t, time_t );
                 ^
c:\raylib\mingw\include\sys/stat.h:188:17: error: unknown type name '_mode_t'
 struct _stati64 __struct_stat_defined( __off64_t, time_t );
                 ^
c:\raylib\mingw\include\sys/stat.h:188:17: error: unknown type name '_dev_t'
 struct _stati64 __struct_stat_defined( __off64_t, time_t );
                 ^
c:\raylib\mingw\include\sys/stat.h:188:17: error: unknown type name '__off64_t'
 struct _stati64 __struct_stat_defined( __off64_t, time_t );
                 ^
c:\raylib\mingw\include\sys/stat.h:188:17: error: unknown type name 'time_t'
 struct _stati64 __struct_stat_defined( __off64_t, time_t );
                 ^
c:\raylib\mingw\include\sys/stat.h:188:17: error: unknown type name 'time_t'
 struct _stati64 __struct_stat_defined( __off64_t, time_t );
                 ^
c:\raylib\mingw\include\sys/stat.h:188:17: error: unknown type name 'time_t'
 struct _stati64 __struct_stat_defined( __off64_t, time_t );
                 ^
c:\raylib\mingw\include\sys/stat.h:195:17: error: unknown type name '_dev_t'
 struct __stat64 __struct_stat_defined( __off64_t, __time64_t );
                 ^
c:\raylib\mingw\include\sys/stat.h:195:17: error: unknown type name '_ino_t'
 struct __stat64 __struct_stat_defined( __off64_t, __time64_t );
                 ^
c:\raylib\mingw\include\sys/stat.h:195:17: error: unknown type name '_mode_t'
 struct __stat64 __struct_stat_defined( __off64_t, __time64_t );
                 ^
c:\raylib\mingw\include\sys/stat.h:195:17: error: unknown type name '_dev_t'
 struct __stat64 __struct_stat_defined( __off64_t, __time64_t );
                 ^
c:\raylib\mingw\include\sys/stat.h:195:17: error: unknown type name '__off64_t'
 struct __stat64 __struct_stat_defined( __off64_t, __time64_t );
                 ^
c:\raylib\mingw\include\sys/stat.h:195:17: error: unknown type name '__time64_t' struct __stat64 __struct_stat_defined( __off64_t, __time64_t );
                 ^
c:\raylib\mingw\include\sys/stat.h:195:17: error: unknown type name '__time64_t' struct __stat64 __struct_stat_defined( __off64_t, __time64_t );
                 ^
c:\raylib\mingw\include\sys/stat.h:195:17: error: unknown type name '__time64_t' struct __stat64 __struct_stat_defined( __off64_t, __time64_t );
                 ^
In file included from c:\raylib\mingw\include\wchar.h:233:0,
                 from C:/openal-soft-master/Alc/alstring.h:42,
                 from C:/openal-soft-master/OpenAL32/Include/alMain.h:38,
                 from C:\openal-soft-master\OpenAL32\alAuxEffectSlot.c:28:
c:\raylib\mingw\include\io.h:335:21: error: unknown type name 'time_t'
 struct _wfinddata_t __struct_finddata_t (time_t, _fsize_t);
                     ^
c:\raylib\mingw\include\io.h:335:21: error: unknown type name 'time_t'
 struct _wfinddata_t __struct_finddata_t (time_t, _fsize_t);
                     ^
c:\raylib\mingw\include\io.h:335:21: error: unknown type name 'time_t'
 struct _wfinddata_t __struct_finddata_t (time_t, _fsize_t);
                     ^
c:\raylib\mingw\include\io.h:336:24: error: unknown type name 'time_t'
 struct _wfinddatai64_t __struct_finddata_t (time_t, __int64);
                        ^
c:\raylib\mingw\include\io.h:336:24: error: unknown type name 'time_t'
 struct _wfinddatai64_t __struct_finddata_t (time_t, __int64);
                        ^
c:\raylib\mingw\include\io.h:336:24: error: unknown type name 'time_t'
 struct _wfinddatai64_t __struct_finddata_t (time_t, __int64);
                        ^
c:\raylib\mingw\include\io.h:362:24: error: unknown type name '__time64_t'
 struct __wfinddata64_t __struct_finddata_t (__time64_t, __int64);
                        ^
c:\raylib\mingw\include\io.h:362:24: error: unknown type name '__time64_t'
 struct __wfinddata64_t __struct_finddata_t (__time64_t, __int64);
                        ^
c:\raylib\mingw\include\io.h:362:24: error: unknown type name '__time64_t'
 struct __wfinddata64_t __struct_finddata_t (__time64_t, __int64);
                        ^
CMakeFiles\OpenAL32.dir\build.make:187: recipe for target 'CMakeFiles/OpenAL32.dir/OpenAL32/alAuxEffectSlot.c.obj' failed
mingw32-make.exe[2]: *** [CMakeFiles/OpenAL32.dir/OpenAL32/alAuxEffectSlot.c.obj] Error 1
CMakeFiles\Makefile2:66: recipe for target 'CMakeFiles/OpenAL32.dir/all' failed
mingw32-make.exe[1]: *** [CMakeFiles/OpenAL32.dir/all] Error 2
Makefile:126: recipe for target 'all' failed
mingw32-make.exe: *** [all] Error 2

C:\openal-soft-master\build>

Maybe the problem is in MinGW32 libraries?

[kcat]

Looks like a problem with your headers. OpenAL Soft is including the system's wchar.h, which is including the system's sys/stat.h and io.h which fail to recognize system types. That indicates the system headers aren't including or defining what they need to work.

[raysan5]

Hi @kcat, thanks for your answer.

I investigated a bit on this issue and I got a solution based on this answer: http://stackoverflow.com/questions/38436542/mingw-cxxtest-bizarre-errors

Just replacing -std=c11 and -std=c99 by -std=gnu11 and -std=gnu99 does the trick but other errors pop up when compiling altonegen, related to multiple definition of _fpreset... it seems MinGW-w64 already take care of this issue, but not MinGW32.

Despite getting the libOpenAL32.a, when trying to link with my code, I get a bunch of undefined reference to errors:

c:/raylib/mingw/bin/../lib/gcc/mingw32/5.3.0/../../../libraylib.a(audio.o):audio.c:(.text+0x656d): undefined reference to `alcOpenDevice'
c:/raylib/mingw/bin/../lib/gcc/mingw32/5.3.0/../../../libraylib.a(audio.o):audio.c:(.text+0x6587): undefined reference to `alcCreateContext'
c:/raylib/mingw/bin/../lib/gcc/mingw32/5.3.0/../../../libraylib.a(audio.o):audio.c:(.text+0x6595): undefined reference to `alcMakeContextCurrent'
c:/raylib/mingw/bin/../lib/gcc/mingw32/5.3.0/../../../libraylib.a(audio.o):audio.c:(.text+0x65a1): undefined reference to `alcDestroyContext'
c:/raylib/mingw/bin/../lib/gcc/mingw32/5.3.0/../../../libraylib.a(audio.o):audio.c:(.text+0x65a9): undefined reference to `alcCloseDevice'
c:/raylib/mingw/bin/../lib/gcc/mingw32/5.3.0/../../../libraylib.a(audio.o):audio.c:(.text+0x65dc): undefined reference to `alcGetString'
c:/raylib/mingw/bin/../lib/gcc/mingw32/5.3.0/../../../libraylib.a(audio.o):audio.c:(.text+0x6618): undefined reference to `alListener3f'
c:/raylib/mingw/bin/../lib/gcc/mingw32/5.3.0/../../../libraylib.a(audio.o):audio.c:(.text+0x663c): undefined reference to `alListener3f'
c:/raylib/mingw/bin/../lib/gcc/mingw32/5.3.0/../../../libraylib.a(audio.o):audio.c:(.text+0x6660): undefined reference to `alListener3f'
c:/raylib/mingw/bin/../lib/gcc/mingw32/5.3.0/../../../libraylib.a(audio.o):audio.c:(.text+0x6696): undefined reference to `alcGetCurrentContext'
c:/raylib/mingw/bin/../lib/gcc/mingw32/5.3.0/../../../libraylib.a(audio.o):audio.c:(.text+0x66a4): undefined reference to `alcGetContextsDevice'
c:/raylib/mingw/bin/../lib/gcc/mingw32/5.3.0/../../../libraylib.a(audio.o):audio.c:(.text+0x66b2): undefined reference to `alcMakeContextCurrent'
c:/raylib/mingw/bin/../lib/gcc/mingw32/5.3.0/../../../libraylib.a(audio.o):audio.c:(.text+0x66ba): undefined reference to `alcDestroyContext'
c:/raylib/mingw/bin/../lib/gcc/mingw32/5.3.0/../../../libraylib.a(audio.o):audio.c:(.text+0x66c2): undefined reference to `alcCloseDevice'
...

I used #define AL_LIBTYPE_STATIC before #include "AL/al.h" and #include "AL/alc.h" and generated library build with cmake -G "MinGW Makefiles" -DLIBTYPE=STATIC ...

Am I missing any define or additional configuration?

[raysan5]

Update on this issue: it seems I was trying to link with some other instance of libopenal32.a on my system. I managed to link OpenAL Soft statically with my program using MinGW32.

Just for reference, my example compile-link line is:

gcc -o audio_sound_loading.exe audio_sound_loading.c -L. -lraylib -lglfw3 -lopengl32 -lopenal32 -lwinmm -lgdi32 -std=c99 -Wl,-allow-multiple-definition

Note I must link also with libwinmm (working on Windows 10) and allow -Wl,-allow-multiple-definition