sysdeps/powerpc/powerpc32/fpu/configure.ac

   1 GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
   2 # Local configure fragment for sysdeps/powerpc/powerpc32/fpu.
   3
   4 # Test whether integer to floating point conversions use fcfid.
   5 AC_CACHE_CHECK([for fcfid use], [libc_cv_ppc_fcfid], [dnl
   6 echo 'double foo (int x) { return (double) x; }' > conftest.c
   7 libc_cv_ppc_fcfid=no
   8 if AC_TRY_COMMAND(${CC-cc} -S $CFLAGS conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then
   9 changequote(,)dnl
  10   if grep '[    ]fcfid' conftest.s > /dev/null 2>&1; then
  11     libc_cv_ppc_fcfid=yes
  12   fi
  13 changequote([,])dnl
  14 fi
  15 rm -rf conftest*])
  16 if test $libc_cv_ppc_fcfid = yes; then
  17   AC_DEFINE([HAVE_PPC_FCFID])
  18 fi
  19
  20 # Test whether floating point to long long conversions use fctidz.
  21 AC_CACHE_CHECK([for fctidz use], [libc_cv_ppc_fctidz], [dnl
  22 echo 'long long int foo (double x) { return (long long int) x; }' > conftest.c
  23 libc_cv_ppc_fctidz=no
  24 if AC_TRY_COMMAND(${CC-cc} -S $CFLAGS conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then
  25 changequote(,)dnl
  26   if grep '[    ]fctidz' conftest.s > /dev/null 2>&1; then
  27     libc_cv_ppc_fctidz=yes
  28   fi
  29 changequote([,])dnl
  30 fi
  31 rm -rf conftest*])
  32 if test $libc_cv_ppc_fctidz = yes; then
  33   AC_DEFINE([HAVE_PPC_FCTIDZ])
  34 fi