1sinclude(./aclocal.m4)dnl Autoconf lossage
2GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
3# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
4
5AC_CACHE_CHECK(whether $CC $CFLAGS -mlong-double-128 uses IBM extended format,
6	       libc_cv_mlong_double_128ibm, [dnl
7save_CFLAGS="$CFLAGS"
8CFLAGS="$CFLAGS -mlong-double-128"
9AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
10#if LDBL_MANT_DIG != 106
11# error "compiler doesn't implement IBM extended format of long double"
12#endif
13long double foobar (long double x) { return x; }]])],
14	       libc_cv_mlong_double_128ibm=yes,
15	       libc_cv_mlong_double_128ibm=no)
16CFLAGS="$save_CFLAGS"])
17
18if test "$libc_cv_mlong_double_128ibm" = no; then
19  AC_CACHE_CHECK(whether $CC $CFLAGS supports -mabi=ibmlongdouble,
20		 libc_cv_mabi_ibmlongdouble, [dnl
21  save_CFLAGS="$CFLAGS"
22  CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
23  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
24#if LDBL_MANT_DIG != 106
25# error "compiler doesn't implement IBM extended format of long double"
26#endif
27long double foobar (long double x) { return x; }]])],
28		 libc_cv_mabi_ibmlongdouble=yes,
29		 libc_cv_mabi_ibmlongdouble=no)
30  CFLAGS="$save_CFLAGS"])
31
32  if test "$libc_cv_mabi_ibmlongdouble" = yes; then
33    CFLAGS="$CFLAGS -mabi=ibmlongdouble"
34  else
35    AC_MSG_ERROR([this configuration requires -mlong-double-128 IBM extended format support])
36  fi
37fi
38
39LIBC_LINKER_FEATURE([--no-tls-get-addr-optimize], [-Wl,--no-tls-get-addr-optimize],
40                    [libc_cv_tls_get_addr_optimize=yes], [libc_cv_tls_get_addr_optimize=no])
41LIBC_CONFIG_VAR([have-tls-get-addr-optimize], [$libc_cv_tls_get_addr_optimize])
42
43ldd_rewrite_script=sysdeps/unix/sysv/linux/powerpc/ldd-rewrite.sed
44