diff options
Diffstat (limited to 'lib/autoconf/functions.m4')
| -rw-r--r-- | lib/autoconf/functions.m4 | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/autoconf/functions.m4 b/lib/autoconf/functions.m4 index 70eb8760..9f44a1ce 100644 --- a/lib/autoconf/functions.m4 +++ b/lib/autoconf/functions.m4 @@ -649,7 +649,13 @@ AC_DEFUN([AC_FUNC_FSEEKO], [_AC_SYS_LARGEFILE_MACRO_VALUE(_LARGEFILE_SOURCE, 1, [ac_cv_sys_largefile_source], [Define to 1 to make fseeko visible on some hosts (e.g. glibc 2.2).], - [[#include <sys/types.h> /* for off_t */ + [[#if defined __hpux && !defined _LARGEFILE_SOURCE + #include <limits.h> + #if LONG_MAX >> 31 == 0 + #error "32-bit HP-UX 11/ia64 needs _LARGEFILE_SOURCE for fseeko in C++" + #endif + #endif + #include <sys/types.h> /* for off_t */ #include <stdio.h>]], [[int (*fp) (FILE *, off_t, int) = fseeko; return fseeko (stdin, 0, 0) && fp (stdin, 0, 0);]]) |