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powerpc: Remove check for -mabi=ibmlongdouble

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The -mabi=ibmlongdouble option has been added in gcc 4.2, thus can be
assumed to always exist.
This commit is contained in:
Andreas Schwab
2025-04-01 13:19:07 +02:00
parent 251f932624
commit eb7a681b82
2 changed files with 2 additions and 60 deletions
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43
sysdeps/unix/sysv/linux/powerpc/configure vendored
View File

@@ -40,48 +40,7 @@ fi
printf "%s\n" "$libc_cv_mlong_double_128ibm" >&6; }
if test "$libc_cv_mlong_double_128ibm" = no; then
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS supports -mabi=ibmlongdouble" >&5
printf %s "checking whether $CC $CFLAGS supports -mabi=ibmlongdouble... " >&6; }
if test ${libc_cv_mabi_ibmlongdouble+y}
then :
printf %s "(cached) " >&6
else case e in #(
e) save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <float.h>
int
main (void)
{
#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 "$LINENO"
then :
libc_cv_mabi_ibmlongdouble=yes
else case e in #(
e) libc_cv_mabi_ibmlongdouble=no ;;
esac
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
CFLAGS="$save_CFLAGS" ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mabi_ibmlongdouble" >&5
printf "%s\n" "$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
CFLAGS="$CFLAGS -mabi=ibmlongdouble"
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for linker that supports --no-tls-get-addr-optimize" >&5

19
sysdeps/unix/sysv/linux/powerpc/configure.ac
View File

@@ -16,24 +16,7 @@ long double foobar (long double x) { return x; }]])],
CFLAGS="$save_CFLAGS"])
if test "$libc_cv_mlong_double_128ibm" = no; then
AC_CACHE_CHECK(whether $CC $CFLAGS supports -mabi=ibmlongdouble,
libc_cv_mabi_ibmlongdouble, [dnl
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }]])],
libc_cv_mabi_ibmlongdouble=yes,
libc_cv_mabi_ibmlongdouble=no)
CFLAGS="$save_CFLAGS"])
if test "$libc_cv_mabi_ibmlongdouble" = yes; then
CFLAGS="$CFLAGS -mabi=ibmlongdouble"
else
AC_MSG_ERROR([this configuration requires -mlong-double-128 IBM extended format support])
fi
CFLAGS="$CFLAGS -mabi=ibmlongdouble"
fi
LIBC_LINKER_FEATURE([--no-tls-get-addr-optimize], [-Wl,--no-tls-get-addr-optimize],