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| author | Phil Pennock <pdp@exim.org> | 2012-06-06 14:13:34 -0400 |
|---|---|---|
| committer | Phil Pennock <pdp@exim.org> | 2012-06-06 14:13:34 -0400 |
| commit | 05ec18de4a052686f21343460824a1b88ab2129e (patch) | |
| tree | ff1484b53652ec01e083b288f29be10f73367a76 /src/OS/os.h-Linux | |
| parent | e87d38fd8e03d5fd3c1f649edc2c3ef733b6cb72 (diff) | |
LLONG_MIN example in os.h-Linux
Diffstat (limited to 'src/OS/os.h-Linux')
| -rw-r--r-- | src/OS/os.h-Linux | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/OS/os.h-Linux b/src/OS/os.h-Linux index fe4eaa6c7..3fead17d7 100644 --- a/src/OS/os.h-Linux +++ b/src/OS/os.h-Linux @@ -57,4 +57,16 @@ extern struct ip_address_item *os_find_running_interfaces_linux(void); #endif /* __linux__ */ +/* Some folks running "unusual" setups with very old libc environments have +found that _GNU_SOURCE=1 before <features.h> is not sufficient to define some +constants needed for 64-bit arithmetic. If you encounter build errors based +on LLONG_MIN being undefined and various other escape hatches have not helped, +then change the 0 to 1 in the next block. */ + +#if 0 +# define LLONG_MIN LONG_LONG_MIN +# define LLONG_MAX LONG_LONG_MAX +#endif + + /* End */ |