diff options
Diffstat (limited to 'gnulib-m4/off64_t.m4')
| -rw-r--r-- | gnulib-m4/off64_t.m4 | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gnulib-m4/off64_t.m4 b/gnulib-m4/off64_t.m4 new file mode 100644 index 00000000..34fa21eb --- /dev/null +++ b/gnulib-m4/off64_t.m4 @@ -0,0 +1,31 @@ +# off64_t.m4 +# serial 1 +dnl Copyright (C) 2024 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Check whether <sys/types.h> defines the 'off64_t' type. +dnl Set HAVE_OFF64_T. + +AC_DEFUN([gl_TYPE_OFF64_T], +[ + dnl Persuade glibc <sys/types.h>, <stdio.h>, <fcntl.h>, <unistd.h>, <aio.h> + dnl to define off64_t. + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_CACHE_CHECK([for off64_t], [gl_cv_off64_t], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/types.h>]], + [[int x = sizeof (off64_t *) + sizeof (off64_t); + return !x;]])], + [gl_cv_off64_t=yes], [gl_cv_off64_t=no])]) + + if test $gl_cv_off64_t != no; then + HAVE_OFF64_T=1 + else + HAVE_OFF64_T=0 + fi + AC_SUBST([HAVE_OFF64_T]) +]) |