diff options
Diffstat (limited to 'm4/regex.m4')
| -rw-r--r-- | m4/regex.m4 | 56 |
1 files changed, 25 insertions, 31 deletions
diff --git a/m4/regex.m4 b/m4/regex.m4 index 4191acb5de..24198b5570 100644 --- a/m4/regex.m4 +++ b/m4/regex.m4 @@ -1,4 +1,4 @@ -# serial 57 +# serial 58 # Copyright (C) 1996-2001, 2003-2011 Free Software Foundation, Inc. # @@ -13,8 +13,6 @@ AC_PREREQ([2.50]) AC_DEFUN([gl_REGEX], [ - AC_CHECK_HEADERS_ONCE([locale.h]) - AC_ARG_WITH([included-regex], [AS_HELP_STRING([--without-included-regex], [don't compile regex; this is the default on systems @@ -34,9 +32,7 @@ AC_DEFUN([gl_REGEX], [AC_RUN_IFELSE( [AC_LANG_PROGRAM( [AC_INCLUDES_DEFAULT[ - #if HAVE_LOCALE_H - #include <locale.h> - #endif + #include <locale.h> #include <limits.h> #include <regex.h> ]], @@ -47,31 +43,29 @@ AC_DEFUN([gl_REGEX], const char *s; struct re_registers regs; - #if HAVE_LOCALE_H - /* http://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 - test here. */ - if (setlocale (LC_ALL, "en_US.UTF-8")) - { - static char const pat[] = "insert into"; - static char const data[] = - "\xFF\0\x12\xA2\xAA\xC4\xB1,K\x12\xC4\xB1*\xACK"; - re_set_syntax (RE_SYNTAX_GREP | RE_HAT_LISTS_NOT_NEWLINE - | RE_ICASE); - memset (®ex, 0, sizeof regex); - s = re_compile_pattern (pat, sizeof pat - 1, ®ex); - if (s) - result |= 1; - else if (re_search (®ex, data, sizeof data - 1, - 0, sizeof data - 1, ®s) - != -1) - result |= 1; - if (! setlocale (LC_ALL, "C")) - return 1; - } - #endif + /* http://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 + test here. */ + if (setlocale (LC_ALL, "en_US.UTF-8")) + { + static char const pat[] = "insert into"; + static char const data[] = + "\xFF\0\x12\xA2\xAA\xC4\xB1,K\x12\xC4\xB1*\xACK"; + re_set_syntax (RE_SYNTAX_GREP | RE_HAT_LISTS_NOT_NEWLINE + | RE_ICASE); + memset (®ex, 0, sizeof regex); + s = re_compile_pattern (pat, sizeof pat - 1, ®ex); + if (s) + result |= 1; + else if (re_search (®ex, data, sizeof data - 1, + 0, sizeof data - 1, ®s) + != -1) + result |= 1; + if (! setlocale (LC_ALL, "C")) + return 1; + } /* This test is from glibc bug 3957, reported by Andrew Mackey. */ re_set_syntax (RE_SYNTAX_EGREP | RE_HAT_LISTS_NOT_NEWLINE); |