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Add support for --enable-lmcheck configure option.

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This allows the user to enable this option at configure time if building
a release, or to disable it if building a snapshot.

gdb/ChangeLog:

        * configure.ac: Add --enable-lmcheck configure option.
        * configure: Regenerate.
This commit is contained in:
Joel Brobecker 2012-07-25 18:27:11 +00:00
parent d6b289409b
commit a22d44ff78
3 changed files with 46 additions and 3 deletions
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5
gdb/ChangeLog
View File

@ -1,3 +1,8 @@
2012-07-25 Joel Brobecker <brobecker@adacore.com>
* configure.ac: Add --enable-lmcheck configure option.
* configure: Regenerate.
2012-07-25 Tom Tromey <tromey@redhat.com>
* NEWS: Mention maint info bfds.

23
gdb/configure vendored
View File

@ -795,6 +795,7 @@ with_zlib
with_libiconv_prefix
with_iconv_bin
with_system_readline
enable_libmcheck
with_jit_reader_dir
with_expat
with_gnu_ld
@ -1465,6 +1466,7 @@ Optional Features:
--enable-tui enable full-screen terminal user interface (TUI)
--enable-gdbtk enable gdbtk graphical user interface (GUI)
--enable-profiling enable profiling of GDB
--enable-libmcheck Try building GDB with -lmcheck if available
--disable-rpath do not hardcode runtime library paths
--enable-werror treat compile warnings as errors
--enable-build-warnings enable build-time compiler warnings if gcc is used
@ -7039,7 +7041,26 @@ fi
if $development; then
# Provide a --enable-libmcheck/--disable-libmcheck set of options
# allowing a user to enable this option even when building releases,
# or to disable it when building a snapshot.
# Check whether --enable-libmcheck was given.
if test "${enable_libmcheck+set}" = set; then :
enableval=$enable_libmcheck; case "${enableval}" in
yes | y) ENABLE_LIBMCHECK="yes" ;;
no | n) ENABLE_LIBMCHECK="no" ;;
*) as_fn_error "bad value ${enableval} for --enable-libmcheck" "$LINENO" 5 ;;
esac
fi
# Enable -lmcheck by default (it provides cheap-enough memory mangling),
# but turn it off for releases.
if test -z "${ENABLE_LIBMCHECK}" && $development; then
ENABLE_LIBMCHECK=yes
fi
if test "$ENABLE_LIBMCHECK" = "yes" ; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lmcheck" >&5
$as_echo_n "checking for main in -lmcheck... " >&6; }
if test "${ac_cv_lib_mcheck_main+set}" = set; then :

21
gdb/configure.ac
View File

@ -645,8 +645,25 @@ AC_SUBST(READLINE_DEPS)
AC_SUBST(READLINE_CFLAGS)
AC_SUBST(READLINE_TEXI_INCFLAG)
dnl -lmcheck provides cheap enough memory mangling for debugging purposes.
if $development; then
# Provide a --enable-libmcheck/--disable-libmcheck set of options
# allowing a user to enable this option even when building releases,
# or to disable it when building a snapshot.
AC_ARG_ENABLE(libmcheck,
AS_HELP_STRING([--enable-libmcheck],
[Try building GDB with -lmcheck if available]),
[case "${enableval}" in
yes | y) ENABLE_LIBMCHECK="yes" ;;
no | n) ENABLE_LIBMCHECK="no" ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-libmcheck) ;;
esac])
# Enable -lmcheck by default (it provides cheap-enough memory mangling),
# but turn it off for releases.
if test -z "${ENABLE_LIBMCHECK}" && $development; then
ENABLE_LIBMCHECK=yes
fi
if test "$ENABLE_LIBMCHECK" = "yes" ; then
AC_CHECK_LIB(mcheck, main)
fi