* configure.in: Rewrite check for GNU regex and the
--without-included regex option, and move it into the "Checks for library functions" section. This makes us use the system regex again by default on systems with version 2 of the GNU C library. This was apparently broken. * gdb_regex.h [!USE_INCLUDED_REGEX] (_REGEX_RE_COMP): Define. * acconfig.h (USE_INCLUDED_REGEX): Remove. * config.in, configure: Regenerated.
This commit is contained in:
Mark Kettenis
parent
287c1a400f
commit
06825bd145
@ -1,5 +1,14 @@
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2003-01-02 Mark Kettenis <kettenis@gnu.org>
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* configure.in: Rewrite check for GNU regex and the
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--without-included regex option, and move it into the "Checks for
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library functions" section. This makes us use the system regex
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again by default on systems with version 2 of the GNU C library.
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This was apparently broken.
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* gdb_regex.h [!USE_INCLUDED_REGEX] (_REGEX_RE_COMP): Define.
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* acconfig.h (USE_INCLUDED_REGEX): Remove.
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* config.in, configure: Regenerated.
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* configure.in: Move code that provides the --enable-tui option
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before the "Checks for libraries" section. Polish the code
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somewhat and set need_curses to yes if we build the TUI. Rewrite
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@ -156,9 +156,6 @@
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/* Define if <sys/ptrace.h> defines the PT_GETXMMREGS request. */
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#undef HAVE_PT_GETXMMREGS
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/* Define if gnu-regex.c included with GDB should be used. */
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#undef USE_INCLUDED_REGEX
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/* BFD's default architecture. */
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#undef DEFAULT_BFD_ARCH
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@ -169,9 +169,6 @@
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/* Define if <sys/ptrace.h> defines the PT_GETXMMREGS request. */
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#undef HAVE_PT_GETXMMREGS
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/* Define if gnu-regex.c included with GDB should be used. */
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#undef USE_INCLUDED_REGEX
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/* BFD's default architecture. */
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#undef DEFAULT_BFD_ARCH
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@ -431,6 +428,9 @@
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/* Define if sigsetjmp is available. */
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#undef HAVE_SIGSETJMP
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/* Define to 1 if the regex included in libiberty should be used. */
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#undef USE_INCLUDED_REGEX
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/* Define if malloc is not declared in system header files. */
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#undef NEED_DECLARATION_MALLOC
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1617
gdb/configure
vendored
1617
gdb/configure
vendored
File diff suppressed because it is too large
Load Diff
@ -310,6 +310,37 @@ if test $gdb_cv_func_sigsetjmp = yes; then
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AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
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fi
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# Assume we'll default to using the included libiberty regex.
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gdb_use_included_regex=yes
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# However, if the system regex is GNU regex, then default to *not*
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# using the included regex.
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AC_CACHE_CHECK(
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[for GNU regex],
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[gdb_cv_have_gnu_regex],
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[AC_TRY_COMPILE(
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[#include <gnu-versions.h>],
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[#define REGEX_INTERFACE_VERSION 1
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#if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
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# error "Version mismatch"
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#endif],
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gdb_cv_have_gnu_regex=yes,
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gdb_cv_have_gnu_regex=no)])
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if test $gdb_cv_have_gnu_regex = yes; then
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gdb_use_included_regex=no
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fi
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AC_ARG_WITH(included-regex,
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[ --without-included-regex don't use included regex; this is the default
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on systems with version 2 of the GNU C library
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(use with caution on other system)],
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gdb_with_regex=$withval,
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gdb_with_regex=$gdb_use_included_regex)
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if test "$gdb_with_regex" = yes; then
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AC_DEFINE(USE_INCLUDED_REGEX, 1,
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[Define to 1 if the regex included in libiberty should be used.])
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fi
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# See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
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# Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
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AC_CACHE_CHECK([for r_fs in struct reg], gdb_cv_struct_reg_r_fs,
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@ -964,38 +995,6 @@ if test x$want_mmalloc = xtrue; then
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MMALLOC='../mmalloc/libmmalloc.a'
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fi
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AC_ARG_WITH(included-regex,
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[ --with-included-regex Use included regex],
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[case "${withval}" in
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yes) want_included_regex=true ;;
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no) want_included_regex=false;;
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*) AC_MSG_ERROR(bad value ${withval} for GDB with-included-regex option) ;;
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esac],[want_included_regex=true])dnl
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if test $want_included_regex = false; then
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AC_MSG_CHECKING(for GNU regex)
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AC_CACHE_VAL(gdb_cv_have_gnu_regex,
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[AC_TRY_COMPILE([#include <gnu-versions.h>
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#include <sys/types.h>
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#include <regex.h>],
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[#if !defined _GNU_REGEX_INTERFACE_VERSION || !defined __GLIBC__ || __GLIBC__ < 2
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#error No valid GNU regex.
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#endif
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],
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[gdb_cv_have_gnu_regex=yes],
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[gdb_cv_have_gnu_regex=no])])
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AC_MSG_RESULT($gdb_cv_have_gnu_regex)
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if test $gdb_cv_have_gnu_regex = no; then
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want_included_regex=true
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fi
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fi
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if test x${want_included_regex} = xtrue; then
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REGEX="gnu-regex.o"
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AC_DEFINE(USE_INCLUDED_REGEX)
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fi
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AC_SUBST(REGEX)
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# In the Cygwin environment, we need some additional flags.
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AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
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[AC_EGREP_CPP(lose, [
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@ -1,5 +1,5 @@
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/* Portable <regex.h>
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Copyright 2000, 2001 Free Software Foundation, Inc.
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/* Portable <regex.h>.
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Copyright 2000, 2001, 2003 Free Software Foundation, Inc.
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This file is part of GDB.
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@ -19,12 +19,14 @@
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Boston, MA 02111-1307, USA. */
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#ifndef GDB_REGEX_H
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#define GDB_REGEX_H
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#define GDB_REGEX_H 1
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#ifdef USE_INCLUDED_REGEX
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# include "xregex.h"
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#else
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/* Request 4.2 BSD regex functions. */
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# define _REGEX_RE_COMP
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# include <regex.h>
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#endif
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#endif /* gdb_regex.h */
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#endif /* not GDB_REGEX_H */
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