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Diffstat (limited to 'm4/strtoumax.m4')
| -rw-r--r-- | m4/strtoumax.m4 | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/m4/strtoumax.m4 b/m4/strtoumax.m4 new file mode 100644 index 0000000..1935250 --- /dev/null +++ b/m4/strtoumax.m4 @@ -0,0 +1,34 @@ +# strtoumax.m4 serial 6 +dnl Copyright (C) 2002, 2003, 2004, 2006 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. + +AC_DEFUN([gl_FUNC_STRTOUMAX], +[ + dnl Work around a bug of AC_EGREP_CPP in autoconf-2.57. + AC_REQUIRE([AC_PROG_CPP]) + AC_REQUIRE([AC_PROG_EGREP]) + + AC_CACHE_CHECK([whether <inttypes.h> defines strtoumax as a macro], + jm_cv_func_strtoumax_macro, + [AC_EGREP_CPP([inttypes_h_defines_strtoumax], [#include <inttypes.h> +#ifdef strtoumax + inttypes_h_defines_strtoumax +#endif], + jm_cv_func_strtoumax_macro=yes, + jm_cv_func_strtoumax_macro=no)]) + + if test "$jm_cv_func_strtoumax_macro" != yes; then + AC_REPLACE_FUNCS(strtoumax) + if test $ac_cv_func_strtoumax = no; then + gl_PREREQ_STRTOUMAX + fi + fi +]) + +# Prerequisites of lib/strtoumax.c. +AC_DEFUN([gl_PREREQ_STRTOUMAX], [ + AC_CHECK_DECLS(strtoull) + AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT]) +]) |