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Update.
2003-06-29 Ulrich Drepper <drepper@redhat.com> * sysdeps/pthread/configure.in: Check for C cleanup handling in gcc.
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@ -1,3 +1,7 @@
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2003-06-29 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/pthread/configure.in: Check for C cleanup handling in gcc.
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2003-06-27 Ulrich Drepper <drepper@redhat.com>
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* tst-cancel4.c (tf_msgrcv): Use IPC_PRIVATE in msgget call.
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57
nptl/sysdeps/pthread/configure
vendored
57
nptl/sysdeps/pthread/configure
vendored
@ -59,4 +59,61 @@ if test $libc_cv_forced_unwind = yes; then
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#define HAVE_FORCED_UNWIND 1
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_ACEOF
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old_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -Werror -fexceptions"
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echo "$as_me:$LINENO: checking for C cleanup handling" >&5
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echo $ECHO_N "checking for C cleanup handling... $ECHO_C" >&6
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if test "${libc_cv_c_cleanup+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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cat >conftest.$ac_ext <<_ACEOF
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#line $LINENO "configure"
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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#include <stdio.h>
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void cl (void *a) { }
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extern c (void);
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int
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main ()
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{
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int a __attribute__ ((cleanup (cl)));
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puts ("test")
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext conftest$ac_exeext
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if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
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(eval $ac_link) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } &&
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{ ac_try='test -s conftest$ac_exeext'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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libc_cv_c_cleanup=yes
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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libc_cv_c_cleanup=no
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fi
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rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
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fi
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echo "$as_me:$LINENO: result: $libc_cv_c_cleanup" >&5
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echo "${ECHO_T}$libc_cv_c_cleanup" >&6
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CFLAGS="$old_CFLAGS"
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if test $libc_cv_c_cleanup = no; then
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{ { echo "$as_me:$LINENO: error: the compiler must support C cleanup handling" >&5
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echo "$as_me: error: the compiler must support C cleanup handling" >&2;}
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{ (exit 1); exit 1; }; }
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fi
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fi
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@ -16,4 +16,19 @@ _Unwind_GetCFA (context)],
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libc_cv_forced_unwind=yes, libc_cv_forced_unwind=no)])
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if test $libc_cv_forced_unwind = yes; then
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AC_DEFINE(HAVE_FORCED_UNWIND)
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dnl Check for C cleanup handling.
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old_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -Werror -fexceptions"
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AC_CACHE_CHECK([for C cleanup handling], libc_cv_c_cleanup, [dnl
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AC_TRY_LINK([
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#include <stdio.h>
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void cl (void *a) { }
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extern c (void);], [
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int a __attribute__ ((cleanup (cl)));
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puts ("test")],
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libc_cv_c_cleanup=yes, libc_cv_c_cleanup=no)])
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CFLAGS="$old_CFLAGS"
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if test $libc_cv_c_cleanup = no; then
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AC_MSG_ERROR([the compiler must support C cleanup handling])
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fi
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fi
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