diff options
Diffstat (limited to 'erts/configure.in')
| -rw-r--r-- | erts/configure.in | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/erts/configure.in b/erts/configure.in index f17f4cb5c8..8288a1aab1 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -1974,11 +1974,39 @@ AC_CHECK_FUNCS([getipnodebyname getipnodebyaddr gethostbyname2]) AC_CHECK_FUNCS([ieee_handler fpsetmask finite isnan isinf res_gethostbyname dlopen \ pread pwrite memmove strerror strerror_r strncasecmp \ - gethrtime localtime_r gmtime_r inet_pton posix_memalign \ + gethrtime localtime_r gmtime_r inet_pton \ mmap mremap memcpy mallopt sbrk _sbrk __sbrk brk _brk __brk \ flockfile fstat strlcpy strlcat setsid posix2time time2posix \ setlocale nl_langinfo poll]) + +case X$erl_xcomp_posix_memalign in + Xno) ;; + Xyes) AC_DEFINE(HAVE_POSIX_MEMALIGN,[1], + [Define to 1 if you have the `posix_memalign' function.]) ;; + *) + AC_CHECK_FUNC( + [posix_memalign], + [if test "$cross_compiling" != yes; then +AC_TRY_RUN([ +#include <stdlib.h> +int main(void) { + void *ptr = NULL; + int error; + size_t alignment = 0x40000, size = 0x20028; + if ((error = posix_memalign(&ptr, alignment, size)) != 0 || ptr == NULL) + return error; + return 0; +} +],AC_DEFINE(HAVE_POSIX_MEMALIGN,[1], + [Define to 1 if you have the `posix_memalign' function.]) +) + else + AC_DEFINE(HAVE_POSIX_MEMALIGN,[1], + [Define to 1 if you have the `posix_memalign' function.]) + fi]);; +esac + dnl writev on OS X snow leopard is broken for files > 4GB case $host_os in darwin10.8.0) |