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