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|
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format" >&5
$as_echo_n "checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format... " >&6; }
if ${libc_cv_mlong_double_128ibm+:} false; then :
$as_echo_n "(cached) " >&6
else
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -mlong-double-128"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <float.h>
int
main ()
{
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
libc_cv_mlong_double_128ibm=yes
else
libc_cv_mlong_double_128ibm=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
CFLAGS="$save_CFLAGS"
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mlong_double_128ibm" >&5
$as_echo "$libc_cv_mlong_double_128ibm" >&6; }
if test "$libc_cv_mlong_double_128ibm" = no; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS supports -mabi=ibmlongdouble" >&5
$as_echo_n "checking whether $CC $CFLAGS supports -mabi=ibmlongdouble... " >&6; }
if ${libc_cv_mabi_ibmlongdouble+:} false; then :
$as_echo_n "(cached) " >&6
else
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <float.h>
int
main ()
{
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
libc_cv_mabi_ibmlongdouble=yes
else
libc_cv_mabi_ibmlongdouble=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
CFLAGS="$save_CFLAGS"
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mabi_ibmlongdouble" >&5
$as_echo "$libc_cv_mabi_ibmlongdouble" >&6; }
if test "$libc_cv_mabi_ibmlongdouble" = yes; then
CFLAGS="$CFLAGS -mabi=ibmlongdouble"
else
as_fn_error $? "this configuration requires -mlong-double-128 IBM extended format support" "$LINENO" 5
fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports --no-tls-get-addr-optimize" >&5
$as_echo_n "checking for linker that supports --no-tls-get-addr-optimize... " >&6; }
libc_linker_feature=no
if test x"$gnu_ld" = x"yes"; then
cat > conftest.c <<EOF
int _start (void) { return 42; }
EOF
if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
-Wl,--no-tls-get-addr-optimize -nostdlib -nostartfiles
-fPIC -shared -o conftest.so conftest.c
1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
then
if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,--no-tls-get-addr-optimize -nostdlib \
-nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \
| grep "warning: --no-tls-get-addr-optimize ignored" > /dev/null 2>&1; then
true
else
libc_linker_feature=yes
fi
fi
rm -f conftest*
fi
if test $libc_linker_feature = yes; then
libc_cv_tls_get_addr_optimize=yes
else
libc_cv_tls_get_addr_optimize=no
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
$as_echo "$libc_linker_feature" >&6; }
config_vars="$config_vars
have-tls-get-addr-optimize = $libc_cv_tls_get_addr_optimize"
ldd_rewrite_script=sysdeps/unix/sysv/linux/powerpc/ldd-rewrite.sed
|
