diff options
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 473fe2064a..5f938c4466 100644 --- a/configure.ac +++ b/configure.ac @@ -846,6 +846,22 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]], [ AC_MSG_RESULT(no)] ) +dnl Check for posix_fallocate +AC_MSG_CHECKING(for posix_fallocate) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ + // same as in src/util/system.cpp + #ifdef __linux__ + #ifdef _POSIX_C_SOURCE + #undef _POSIX_C_SOURCE + #endif + #define _POSIX_C_SOURCE 200112L + #endif // __linux__ + #include <fcntl.h>]], + [[ int f = posix_fallocate(0, 0, 0); ]])], + [ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_POSIX_FALLOCATE, 1,[Define this symbol if you have posix_fallocate]) ], + [ AC_MSG_RESULT(no)] +) + AC_MSG_CHECKING([for visibility attribute]) AC_LINK_IFELSE([AC_LANG_SOURCE([ int foo_def( void ) __attribute__((visibility("default"))); |