AC_MSG_CHECKING([stat64]) AC_TRY_RUN([ #define _LARGEFILE_SOURCE #define _LARGEFILE64_SOURCE #include <stdio.h> #include <sys/types.h> #include <sys/stat.h> #include <unistd.h> #include <errno.h> int main(void) { struct stat64 sb; if (stat64(".", &sb) == -1) return errno; return 0; } ], [enable_stat64=yes], [enable_stat64=no], [enable_stat64=no], ) if test "$enable_stat64" != "no"; then AC_DEFINE([HAVE_STAT64],1,[enable stat64]) CFLAGS="$CFLAGS -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE" fi AC_MSG_RESULT([$enable_stat64])