Mercurial > dovecot > original-hg > dovecot-1.2
changeset 7164:d349cdeddc7d HEAD
Don't use posix_fallocate() with GLIBC versions older than 2.7. It probably
works with a bit older versions, but at least in 2.3.5 it can cause infinite
loops.
| author | Timo Sirainen <tss@iki.fi> |
|---|---|
| date | Wed, 16 Jan 2008 18:24:09 +0200 |
| parents | b7fc50c68c35 |
| children | 805d0831deb6 |
| files | configure.in |
| diffstat | 1 files changed, 14 insertions(+), 1 deletions(-) [+] |
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--- a/configure.in Tue Jan 15 18:16:06 2008 +0200 +++ b/configure.in Wed Jan 16 18:24:09 2008 +0200 @@ -431,7 +431,7 @@ setrlimit setproctitle seteuid setreuid setegid setresgid \ strtoull strtouq setpriority quotactl getmntent kqueue kevent \ backtrace_symbols walkcontext dirfd \ - malloc_usable_size posix_fallocate) + malloc_usable_size) dnl * I/O loop function have_ioloop=no @@ -596,6 +596,19 @@ AC_DEFINE(PREAD_WRAPPERS,, Define if pread/pwrite needs _XOPEN_SOURCE 500) ]) +dnl * Old glibcs have broken posix_fallocate(). Make sure not to use it. +AC_TRY_COMPILE([ + #define _XOPEN_SOURCE 600 + #include <stdlib.h> + #if defined(__GLIBC__) && (__GLIBC__ < 2 || __GLIBC_MINOR__ < 7) + possibly broken posix_fallocate + #endif +], [ + posix_fallocate(0, 0, 0); +], [ + AC_DEFINE(HAVE_POSIX_FALLOCATE,, Define if you have a working posix_fallocate()) +]) + dnl * OS specific options case "$host_os" in hpux*)