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| author | Eli Zaretskii <eliz@gnu.org> | 2016-09-01 17:12:12 +0300 |
|---|---|---|
| committer | Eli Zaretskii <eliz@gnu.org> | 2016-09-01 17:12:12 +0300 |
| commit | 51b14b1f53bfb6c5c10288ab3a6c8c4a86fb70b9 (patch) | |
| tree | 99faa2668e778ed852c2a6611bc5f4ac9a9f8203 /nt | |
| parent | 1d4bb91a3b8db3d381ca41230c8373ecc37438bc (diff) | |
| download | emacs-51b14b1f53bfb6c5c10288ab3a6c8c4a86fb70b9.tar.gz | |
Avoid compiler warnings with MinGW64 GCC 6
* nt/inc/ms-w32.h (execve) [MINGW_W64]: Make the prototype match
the GCC 6 builtin, to avoid warnings. For more details, see
http://lists.gnu.org/archive/html/emacs-devel/2016-08/msg00721.html.
Diffstat (limited to 'nt')
| -rw-r--r-- | nt/inc/ms-w32.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/nt/inc/ms-w32.h b/nt/inc/ms-w32.h index bb8ae6ad8f9..12cd0810054 100644 --- a/nt/inc/ms-w32.h +++ b/nt/inc/ms-w32.h @@ -293,7 +293,16 @@ extern int sys_umask (int); #define execvp _execvp #include <stdint.h> /* for intptr_t */ extern intptr_t _execvp (const char *, char **); +#ifdef MINGW_W64 +/* MinGW64 GCC 6 has a builtin execve with the prototype shown below. + The return value is wrong, and is a bug in GCC, but using the + correct prototype causes GCC to emit warnings. Fortunately, execve + is not used in the MinGW build, but the code that references it is + still compiled. */ +extern int execve (const char *, char * const *, char * const *); +#else extern intptr_t execve (const char *, char * const *, char * const *); +#endif #define fdatasync _commit #define fdopen _fdopen #define fsync _commit |