| # This file is generated from configure.in by Autoconf. DO NOT EDIT! |
| |
| if test "x$libc_cv_gcc___thread" != xyes; then |
| { { $as_echo "$as_me:$LINENO: error: compiler support for __thread is required" >&5 |
| $as_echo "$as_me: error: compiler support for __thread is required" >&2;} |
| { (exit 1); exit 1; }; } |
| fi |
| |
| if test "x${libc_cv_visibility_attribute}" != xyes || |
| test "x${libc_cv_broken_visibility_attribute}" != xno; then |
| { { $as_echo "$as_me:$LINENO: error: working compiler support for visibility attribute is required" >&5 |
| $as_echo "$as_me: error: working compiler support for visibility attribute is required" >&2;} |
| { (exit 1); exit 1; }; } |
| fi |
| |
| if test "x$libc_cv_asm_cfi_directives" != xyes; then |
| case "$base_machine" in |
| i386 | x86_64 | powerpc | s390) |
| { { $as_echo "$as_me:$LINENO: error: CFI directive support in assembler is required" >&5 |
| $as_echo "$as_me: error: CFI directive support in assembler is required" >&2;} |
| { (exit 1); exit 1; }; } ;; |
| *) ;; |
| esac |
| fi |
| |
| |
| { $as_echo "$as_me:$LINENO: checking for forced unwind support" >&5 |
| $as_echo_n "checking for forced unwind support... " >&6; } |
| if test "${libc_cv_forced_unwind+set}" = set; then |
| $as_echo_n "(cached) " >&6 |
| else |
| cat >conftest.$ac_ext <<_ACEOF |
| /* confdefs.h. */ |
| _ACEOF |
| cat confdefs.h >>conftest.$ac_ext |
| cat >>conftest.$ac_ext <<_ACEOF |
| /* end confdefs.h. */ |
| #include <unwind.h> |
| int |
| main () |
| { |
| |
| struct _Unwind_Exception exc; |
| struct _Unwind_Context *context; |
| _Unwind_GetCFA (context) |
| ; |
| return 0; |
| } |
| _ACEOF |
| rm -f conftest.$ac_objext conftest$ac_exeext |
| if { (ac_try="$ac_link" |
| case "(($ac_try" in |
| *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; |
| *) ac_try_echo=$ac_try;; |
| esac |
| eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\"" |
| $as_echo "$ac_try_echo") >&5 |
| (eval "$ac_link") 2>conftest.er1 |
| ac_status=$? |
| grep -v '^ *+' conftest.er1 >conftest.err |
| rm -f conftest.er1 |
| cat conftest.err >&5 |
| $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5 |
| (exit $ac_status); } && { |
| test -z "$ac_c_werror_flag" || |
| test ! -s conftest.err |
| } && test -s conftest$ac_exeext && { |
| test "$cross_compiling" = yes || |
| $as_test_x conftest$ac_exeext |
| }; then |
| libc_cv_forced_unwind=yes |
| else |
| $as_echo "$as_me: failed program was:" >&5 |
| sed 's/^/| /' conftest.$ac_ext >&5 |
| |
| libc_cv_forced_unwind=no |
| fi |
| |
| rm -rf conftest.dSYM |
| rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ |
| conftest$ac_exeext conftest.$ac_ext |
| fi |
| { $as_echo "$as_me:$LINENO: result: $libc_cv_forced_unwind" >&5 |
| $as_echo "$libc_cv_forced_unwind" >&6; } |
| if test $libc_cv_forced_unwind = yes; then |
| cat >>confdefs.h <<\_ACEOF |
| #define HAVE_FORCED_UNWIND 1 |
| _ACEOF |
| |
| old_CFLAGS="$CFLAGS" |
| CFLAGS="$CFLAGS -Werror -fexceptions" |
| { $as_echo "$as_me:$LINENO: checking for C cleanup handling" >&5 |
| $as_echo_n "checking for C cleanup handling... " >&6; } |
| if test "${libc_cv_c_cleanup+set}" = set; then |
| $as_echo_n "(cached) " >&6 |
| else |
| cat >conftest.$ac_ext <<_ACEOF |
| /* confdefs.h. */ |
| _ACEOF |
| cat confdefs.h >>conftest.$ac_ext |
| cat >>conftest.$ac_ext <<_ACEOF |
| /* end confdefs.h. */ |
| |
| #include <stdio.h> |
| void cl (void *a) { } |
| int |
| main () |
| { |
| |
| int a __attribute__ ((cleanup (cl))); |
| puts ("test") |
| ; |
| return 0; |
| } |
| _ACEOF |
| rm -f conftest.$ac_objext conftest$ac_exeext |
| if { (ac_try="$ac_link" |
| case "(($ac_try" in |
| *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; |
| *) ac_try_echo=$ac_try;; |
| esac |
| eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\"" |
| $as_echo "$ac_try_echo") >&5 |
| (eval "$ac_link") 2>conftest.er1 |
| ac_status=$? |
| grep -v '^ *+' conftest.er1 >conftest.err |
| rm -f conftest.er1 |
| cat conftest.err >&5 |
| $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5 |
| (exit $ac_status); } && { |
| test -z "$ac_c_werror_flag" || |
| test ! -s conftest.err |
| } && test -s conftest$ac_exeext && { |
| test "$cross_compiling" = yes || |
| $as_test_x conftest$ac_exeext |
| }; then |
| libc_cv_c_cleanup=yes |
| else |
| $as_echo "$as_me: failed program was:" >&5 |
| sed 's/^/| /' conftest.$ac_ext >&5 |
| |
| libc_cv_c_cleanup=no |
| fi |
| |
| rm -rf conftest.dSYM |
| rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ |
| conftest$ac_exeext conftest.$ac_ext |
| fi |
| { $as_echo "$as_me:$LINENO: result: $libc_cv_c_cleanup" >&5 |
| $as_echo "$libc_cv_c_cleanup" >&6; } |
| CFLAGS="$old_CFLAGS" |
| if test $libc_cv_c_cleanup = no; then |
| { { $as_echo "$as_me:$LINENO: error: the compiler must support C cleanup handling" >&5 |
| $as_echo "$as_me: error: the compiler must support C cleanup handling" >&2;} |
| { (exit 1); exit 1; }; } |
| fi |
| else |
| { { $as_echo "$as_me:$LINENO: error: forced unwind support is required" >&5 |
| $as_echo "$as_me: error: forced unwind support is required" >&2;} |
| { (exit 1); exit 1; }; } |
| fi |