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(gl_REGEX): Don't insist on REG_SYNTAX_POSIX_EGREP,

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REG_SYNTAX_EMACS, and REG_IGNORE_CASE.  Settle for the traditional
glibc names.
This commit is contained in:
Paul Eggert
2006-03-25 09:10:28 +00:00
parent f6d592cbb2
commit cd70d37ee3
2 changed files with 12 additions and 8 deletions
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8
m4/ChangeLog
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@@ -1,3 +1,11 @@
2006-03-25 Paul Eggert <eggert@cs.ucla.edu>
* regex.m4 (gl_REGEX): Don't insist on REG_SYNTAX_POSIX_EGREP,
REG_SYNTAX_EMACS, and REG_IGNORE_CASE. Settle for the traditional
glibc names. Even if glibc is changed to conform to POSIX, the
traditional names will be available anyway, since regex depends on
the extensions module. Problem reported by Emanuele Giaquinta.
2006-03-17 Jim Meyering <jim@meyering.net>
* regex.m4 (gl_REGEX): Fix typo in last change:

12
m4/regex.m4
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@@ -1,4 +1,4 @@
#serial 33
#serial 34
# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
# 2006 Free Software Foundation, Inc.
@@ -42,10 +42,7 @@ AC_DEFUN([gl_REGEX],
[[static struct re_pattern_buffer regex;
const char *s;
struct re_registers regs;
/* Use the POSIX-compliant spelling with leading REG_,
rather than the traditional GNU spelling with leading RE_,
so that we reject older libc implementations. */
re_set_syntax (REG_SYNTAX_POSIX_EGREP);
re_set_syntax (RE_SYNTAX_POSIX_EGREP);
memset (&regex, 0, sizeof (regex));
s = re_compile_pattern ("a[:@:>@:]b\n", 9, &regex);
/* This should fail with _Invalid character class name_ error. */
@@ -81,10 +78,9 @@ AC_DEFUN([gl_REGEX],
exit (1);
/* The version of regex.c in older versions of gnulib
ignored REG_IGNORE_CASE (which was then called RE_ICASE).
Detect that problem too. */
ignored RE_ICASE. Detect that problem too. */
memset (&regex, 0, sizeof (regex));
re_set_syntax (REG_SYNTAX_EMACS | REG_IGNORE_CASE);
re_set_syntax (RE_SYNTAX_EMACS | RE_ICASE);
s = re_compile_pattern ("x", 1, &regex);
if (s)
exit (1);