diff options
Diffstat (limited to 'm4/regex.m4')
| -rw-r--r-- | m4/regex.m4 | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/m4/regex.m4 b/m4/regex.m4 index 61ff098..055d71b 100644 --- a/m4/regex.m4 +++ b/m4/regex.m4 @@ -1,6 +1,6 @@ -# serial 66 +# serial 67 -# Copyright (C) 1996-2001, 2003-2017 Free Software Foundation, Inc. +# Copyright (C) 1996-2001, 2003-2018 Free Software Foundation, Inc. # # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, @@ -13,6 +13,7 @@ AC_PREREQ([2.50]) AC_DEFUN([gl_REGEX], [ + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles AC_ARG_WITH([included-regex], [AS_HELP_STRING([--without-included-regex], [don't compile regex; this is the default on systems @@ -75,7 +76,7 @@ AC_DEFUN([gl_REGEX], if (setlocale (LC_ALL, "en_US.UTF-8")) { { - /* http://sourceware.org/ml/libc-hacker/2006-09/msg00008.html + /* https://sourceware.org/ml/libc-hacker/2006-09/msg00008.html This test needs valgrind to catch the bug on Debian GNU/Linux 3.1 x86, but it might catch the bug better on other platforms and it shouldn't hurt to try the @@ -99,7 +100,7 @@ AC_DEFUN([gl_REGEX], { /* This test is from glibc bug 15078. The test case is from Andreas Schwab in - <http://www.sourceware.org/ml/libc-alpha/2013-01/msg00967.html>. + <https://sourceware.org/ml/libc-alpha/2013-01/msg00967.html>. */ static char const pat[] = "[^x]x"; static char const data[] = @@ -197,7 +198,7 @@ AC_DEFUN([gl_REGEX], result |= 16; /* Catch a bug reported by Vin Shelton in - http://lists.gnu.org/archive/html/bug-coreutils/2007-06/msg00089.html + https://lists.gnu.org/r/bug-coreutils/2007-06/msg00089.html */ re_set_syntax (RE_SYNTAX_POSIX_BASIC & ~RE_CONTEXT_INVALID_DUP @@ -226,13 +227,19 @@ AC_DEFUN([gl_REGEX], return result; ]])], - [gl_cv_func_re_compile_pattern_working=yes], - [gl_cv_func_re_compile_pattern_working=no], - dnl When crosscompiling, assume it is not working. - [gl_cv_func_re_compile_pattern_working=no])]) - case $gl_cv_func_re_compile_pattern_working in #( - yes) ac_use_included_regex=no;; #( - no) ac_use_included_regex=yes;; + [gl_cv_func_re_compile_pattern_working=yes], + [gl_cv_func_re_compile_pattern_working=no], + [case "$host_os" in + # Guess no on native Windows. + mingw*) gl_cv_func_re_compile_pattern_working="guessing no" ;; + # Otherwise, assume it is not working. + *) gl_cv_func_re_compile_pattern_working="guessing no" ;; + esac + ]) + ]) + case "$gl_cv_func_re_compile_pattern_working" in #( + *yes) ac_use_included_regex=no;; #( + *no) ac_use_included_regex=yes;; esac ;; *) AC_MSG_ERROR([Invalid value for --with-included-regex: $with_included_regex]) |