| 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="$CFLAGS -mlong-double-128" |
| AC_TRY_COMPILE([#include <float.h>], [ |
| #if LDBL_MANT_DIG != 106 |
| # error "compiler doesn't implement IBM extended format of long double" |
| #endif |
| long double foobar (long double x) { return x; }], |
| libc_cv_mlong_double_128ibm=yes, |
| libc_cv_mlong_double_128ibm=no) |
| CFLAGS="$save_CFLAGS"]) |
| |
| if test "$libc_cv_mlong_double_128ibm" = no; then |
| AC_CACHE_CHECK(whether $CC $CFLAGS supports -mabi=ibmlongdouble, |
| libc_cv_mabi_ibmlongdouble, [dnl |
| save_CFLAGS="$CFLAGS" |
| CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble" |
| AC_TRY_COMPILE([#include <float.h>], [ |
| #if LDBL_MANT_DIG != 106 |
| # error "compiler doesn't implement IBM extended format of long double" |
| #endif |
| long double foobar (long double x) { return x; }], |
| libc_cv_mabi_ibmlongdouble=yes, |
| libc_cv_mabi_ibmlongdouble=no) |
| CFLAGS="$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 |
| fi |
