210 lines
5.3 KiB
Plaintext
210 lines
5.3 KiB
Plaintext
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# as_fn_set_status STATUS
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# -----------------------
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# Set $? to STATUS, without forking.
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as_fn_set_status ()
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{
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return $1
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} # as_fn_set_status
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# as_fn_exit STATUS
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# -----------------
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# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
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as_fn_exit ()
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{
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set +e
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as_fn_set_status $1
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exit $1
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} # as_fn_exit
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if expr a : '\(a\)' >/dev/null 2>&1 &&
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test "X`expr 00001 : '.*\(...\)'`" = X001; then
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as_expr=expr
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else
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as_expr=false
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fi
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if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
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as_basename=basename
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else
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as_basename=false
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fi
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as_me=`$as_basename -- "$0" ||
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$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
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X"$0" : 'X\(//\)$' \| \
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X"$0" : 'X\(/\)' \| . 2>/dev/null ||
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$as_echo X/"$0" |
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sed '/^.*\/\([^/][^/]*\)\/*$/{
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s//\1/
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q
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}
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/^X\/\(\/\/\)$/{
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s//\1/
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q
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}
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/^X\/\(\/\).*/{
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s//\1/
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q
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}
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s/.*/./; q'`
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as_lineno_1=$LINENO as_lineno_1a=$LINENO
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as_lineno_2=$LINENO as_lineno_2a=$LINENO
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eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
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test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
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# Blame Lee E. McMahon (1931-1989) for sed's syntax. :-)
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sed -n '
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p
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/[$]LINENO/=
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' <$as_myself |
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sed '
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s/[$]LINENO.*/&-/
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t lineno
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b
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:lineno
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N
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:loop
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s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
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t loop
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s/-\n.*//
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' >$as_me.lineno &&
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chmod +x "$as_me.lineno" ||
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{ $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
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# Don't try to exec as it changes $[0], causing all sort of problems
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# (the dirname of $[0] is not the place where we might find the
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# original and so on. Autoconf is especially sensitive to this).
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. "./$as_me.lineno"
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# Exit status is that of the last command.
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exit
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}
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# ac_fn_c_try_compile LINENO
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# --------------------------
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# Try to compile conftest.$ac_ext, and return whether this succeeded.
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ac_fn_c_try_compile ()
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{
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as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
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rm -f conftest.$ac_objext
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if { { ac_try="$ac_compile"
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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:${as_lineno-$LINENO}: $ac_try_echo\""
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$as_echo "$ac_try_echo"; } >&5
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(eval "$ac_compile") 2>conftest.err
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ac_status=$?
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if test -s conftest.err; then
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grep -v '^ *+' conftest.err >conftest.er1
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cat conftest.er1 >&5
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mv -f conftest.er1 conftest.err
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fi
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; } && {
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test -z "$ac_c_werror_flag" ||
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test ! -s conftest.err
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} && test -s conftest.$ac_objext; then :
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ac_retval=0
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else
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$as_echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_retval=1
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fi
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eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
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as_fn_set_status $ac_retval
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} # ac_fn_c_try_compile
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# This file is generated from configure.in by Autoconf. DO NOT EDIT!
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if test "x$libc_cv_gcc___thread" != xyes; then
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as_fn_error $? "compiler support for __thread is required" "$LINENO" 5
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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_fn_error $? "working compiler support for visibility attribute is required" "$LINENO" 5
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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_fn_error $? "CFI directive support in assembler is required" "$LINENO" 5 ;;
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*) ;;
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esac
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fi
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{ $as_echo "$as_me:${as_lineno-$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 ${libc_cv_forced_unwind+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <unwind.h>
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int
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main ()
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{
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struct _Unwind_Exception exc;
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struct _Unwind_Context *context;
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_Unwind_GetCFA (context)
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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libc_cv_forced_unwind=yes
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else
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libc_cv_forced_unwind=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_forced_unwind" >&5
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$as_echo "$libc_cv_forced_unwind" >&6; }
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if test $libc_cv_forced_unwind = yes; then
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$as_echo "#define HAVE_FORCED_UNWIND 1" >>confdefs.h
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old_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -Werror -fexceptions"
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{ $as_echo "$as_me:${as_lineno-$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 ${libc_cv_c_cleanup+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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extern void some_function (void);
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void cl (void *a) { }
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int
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main ()
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{
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int a __attribute__ ((cleanup (cl)));
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some_function ()
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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libc_cv_c_cleanup=yes
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else
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libc_cv_c_cleanup=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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{ $as_echo "$as_me:${as_lineno-$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_fn_error $? "the compiler must support C cleanup handling" "$LINENO" 5
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fi
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else
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as_fn_error $? "forced unwind support is required" "$LINENO" 5
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fi
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