diff options
Diffstat (limited to 'results/scraper/launchpad-without-comments/1826172')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1826172 | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1826172 b/results/scraper/launchpad-without-comments/1826172 new file mode 100644 index 00000000..472e357d --- /dev/null +++ b/results/scraper/launchpad-without-comments/1826172 @@ -0,0 +1,35 @@ +Compilation on MSYS2/MinGW-w64 fails with error: "__USE_MINGW_ANSI_STDIO" redefined + +Compilation against latest GIT version fails at the following step: + + CC qga/commands.o +In file included from qga/commands.c:13: +C:/Tempy-chan/qemu/include/qemu/osdep.h:97: error: "__USE_MINGW_ANSI_STDIO" redefined [-Werror] + #define __USE_MINGW_ANSI_STDIO 1 + +In file included from C:/msys64/mingw64/x86_64-w64-mingw32/include/vadefs.h:9, + from C:/msys64/mingw64/x86_64-w64-mingw32/include/_mingw_stdarg.h:14, + from C:/msys64/mingw64/x86_64-w64-mingw32/include/stdarg.h:140, + from C:/msys64/mingw64/lib/gcc/x86_64-w64-mingw32/8.3.0/include/stdarg.h:1, + from C:/Tempy-chan/qemu/include/qemu/osdep.h:88, + from qga/commands.c:13: +C:/msys64/mingw64/x86_64-w64-mingw32/include/_mingw.h:431: note: this is the location of the previous definition + #define __USE_MINGW_ANSI_STDIO 0 /* was not defined so it should be 0 */ + +cc1.exe: all warnings being treated as errors +make: *** [/c/Tempy-chan/qemu/rules.mak:69: qga/commands.o] Error 1 + +Passing --extra-cflags="-D__USE_MINGW_ANSI_STDIO" to configure resolves the error. Digging deeper in x86_64-w64-mingw32/include/_mingw.h, it looks like __USE_MINGW_ANSI_STDIO is only defined for _GNU_SOURCE in C++ compilation. With C only code it's ignored and doesn't define __USE_MINGW_ANSI_STDIO as expected: + +/* We are activating __USE_MINGW_ANSI_STDIO for various define indicators. + Note that we enable it also for _GNU_SOURCE in C++, but not for C case. */ +#if (defined (_POSIX) || defined (_POSIX_SOURCE) || defined (_POSIX_C_SOURCE) \ + || defined (_ISOC99_SOURCE) \ + || defined (_XOPEN_SOURCE) || defined (_XOPEN_SOURCE_EXTENDED) \ + || (defined (_GNU_SOURCE) && defined (__cplusplus)) \ + || defined (_SVID_SOURCE)) \ + && !defined(__USE_MINGW_ANSI_STDIO) +/* Enable __USE_MINGW_ANSI_STDIO if _POSIX defined + * and If user did _not_ specify it explicitly... */ +# define __USE_MINGW_ANSI_STDIO 1 +#endif \ No newline at end of file |