sysdeps/ieee754/ldbl-opt/configure.in

   1 sinclude(./aclocal.m4)dnl Autoconf lossage
   2 GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
   3 # Local configure fragment for sysdeps/ieee754/ldbl-opt/.
   4
   5 AC_CACHE_CHECK(whether $CC $CFLAGS supports -mlong-double-128,
   6                libc_cv_mlong_double_128, [dnl
   7 if $CC $CFLAGS -mlong-double-128 -S -xc /dev/null -o /dev/null 2>&1
   8 then
   9   libc_cv_mlong_double_128=yes
  10 else
  11   libc_cv_mlong_double_128=no
  12 fi])
  13 if test "$libc_cv_mlong_double_128" = no; then
  14   AC_MSG_ERROR([this configuration requires -mlong-double-128 support])
  15 fi