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configure.ac: Don't test for [build] __cxa_atexit when building a cross compiler.

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* configure.ac: Don't test for [build] __cxa_atexit when building a
	cross compiler.
	* configure: Regenerate.

From-SVN: r89684
This commit is contained in:
Paul Brook 2004-10-27 16:08:48 +00:00 committed by Paul Brook
parent 57991ebac2
commit 18fbf5995b
3 changed files with 37 additions and 12 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2004-10-27 Paul Brook <paul@codesourcery.com>
* configure.ac: Don't test for [build] __cxa_atexit when building a
cross compiler.
* configure: Regenerate.
2004-10-27 Paul Brook <paul@codeosurcery.com>
* configure.ac: Use build_exeext not host_exeext when lookin for

20
gcc/configure vendored
View File

@ -12005,9 +12005,11 @@ fi
# UNSORTED
# --------
use_cxa_atexit=no
if test x$enable___cxa_atexit = xyes || \
test x$enable___cxa_atexit = x -a x$default_use_cxa_atexit = xyes; then
echo "$as_me:$LINENO: checking for __cxa_atexit" >&5
if test x$host = x$target; then
echo "$as_me:$LINENO: checking for __cxa_atexit" >&5
echo $ECHO_N "checking for __cxa_atexit... $ECHO_C" >&6
if test "${ac_cv_func___cxa_atexit+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
@ -12098,15 +12100,23 @@ fi
echo "$as_me:$LINENO: result: $ac_cv_func___cxa_atexit" >&5
echo "${ECHO_T}$ac_cv_func___cxa_atexit" >&6
if test $ac_cv_func___cxa_atexit = yes; then
use_cxa_atexit=yes
else
echo "__cxa_atexit can't be enabled on this target"
fi
else
# We can't check for __cxa_atexit when building a cross, so assume
# it is available
use_cxa_atexit=yes
fi
if test x$use_cxa_atexit = xyes; then
cat >>confdefs.h <<\_ACEOF
#define DEFAULT_USE_CXA_ATEXIT 1
_ACEOF
else
echo "__cxa_atexit can't be enabled on this target"
fi
fi
fi
# Look for a file containing extra machine modes.

23
gcc/configure.ac
View File

@ -1295,15 +1295,24 @@ AC_SUBST(gthread_flags)
# UNSORTED
# --------
use_cxa_atexit=no
if test x$enable___cxa_atexit = xyes || \
test x$enable___cxa_atexit = x -a x$default_use_cxa_atexit = xyes; then
AC_CHECK_FUNC(__cxa_atexit,
[AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
[Define if you want to use __cxa_atexit, rather than atexit, to
register C++ destructors for local statics and global objects.
This is essential for fully standards-compliant handling of
destructors, but requires __cxa_atexit in libc.])],
echo "__cxa_atexit can't be enabled on this target")
if test x$host = x$target; then
AC_CHECK_FUNC(__cxa_atexit,[use_cxa_atexit=yes],
[echo "__cxa_atexit can't be enabled on this target"])
else
# We can't check for __cxa_atexit when building a cross, so assume
# it is available
use_cxa_atexit=yes
fi
if test x$use_cxa_atexit = xyes; then
AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
[Define if you want to use __cxa_atexit, rather than atexit, to
register C++ destructors for local statics and global objects.
This is essential for fully standards-compliant handling of
destructors, but requires __cxa_atexit in libc.])
fi
fi
# Look for a file containing extra machine modes.