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| author |  axel <axel@liljencrantz.se> | 2006-10-20 01:19:47 +1000 |
|---|---|---|
| committer | axel <axel@liljencrantz.se> | 2006-10-20 01:19:47 +1000 |
| commit | 2d05b1c1b4cf51df30903a24d1d7944aa1b8eeb7 (patch) | |
| tree | 8f447868c883184e67770e41e02c76321c38c038 /configure.ac | |
| parent | ea998b03f236be4e8af73474d994af5bbc4b0287 (diff) | |
Add compiler warnings for some common incorrect usage of functions, such as forgetting to cast null pointers to variadic functions
darcs-hash:20061019151947-ac50b-4043638a7a830fa80fd918f92365f5afe3ff208a.gz
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 6af096a0..c0699a29 100644 --- a/configure.ac +++ b/configure.ac @@ -92,6 +92,15 @@ AC_SUBST( optbindirs, $optbindirs ) # Tell autoconf to create config.h header AC_CONFIG_HEADERS(config.h) +AH_BOTTOM([#if __GNUC__ >= 3 +#define __warn_unused __attribute__ ((warn_unused_result)) +#define __sentinel __attribute__ ((sentinel)) +#else +#define __warn_unused +#define __sentinel +#endif]) + + # Set up various programs needed for install AC_PROG_CC AC_PROG_CPP |