mirror of
https://sourceware.org/git/glibc.git
synced 2025-06-28 11:21:08 +03:00
eb7a681b82
The -mabi=ibmlongdouble option has been added in gcc 4.2, thus can be assumed to always exist.
27 lines
1.1 KiB
Plaintext
27 lines
1.1 KiB
Plaintext
sinclude(./aclocal.m4)dnl Autoconf lossage
|
|
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
|
|
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
|
|
|
|
AC_CACHE_CHECK(whether $CC $CFLAGS -mlong-double-128 uses IBM extended format,
|
|
libc_cv_mlong_double_128ibm, [dnl
|
|
save_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -mlong-double-128"
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
|
|
#if LDBL_MANT_DIG != 106
|
|
# error "compiler doesn't implement IBM extended format of long double"
|
|
#endif
|
|
long double foobar (long double x) { return x; }]])],
|
|
libc_cv_mlong_double_128ibm=yes,
|
|
libc_cv_mlong_double_128ibm=no)
|
|
CFLAGS="$save_CFLAGS"])
|
|
|
|
if test "$libc_cv_mlong_double_128ibm" = no; then
|
|
CFLAGS="$CFLAGS -mabi=ibmlongdouble"
|
|
fi
|
|
|
|
LIBC_LINKER_FEATURE([--no-tls-get-addr-optimize], [-Wl,--no-tls-get-addr-optimize],
|
|
[libc_cv_tls_get_addr_optimize=yes], [libc_cv_tls_get_addr_optimize=no])
|
|
LIBC_CONFIG_VAR([have-tls-get-addr-optimize], [$libc_cv_tls_get_addr_optimize])
|
|
|
|
ldd_rewrite_script=sysdeps/unix/sysv/linux/powerpc/ldd-rewrite.sed
|