67 lines
2.0 KiB
Plaintext
67 lines
2.0 KiB
Plaintext
dnl This is the newlib/libm configure.in file.
|
|
dnl Process this file with autoconf to produce a configure script.
|
|
|
|
AC_PREREQ(2.59)
|
|
AC_INIT([newlib],[NEWLIB_VERSION])
|
|
AC_CONFIG_SRCDIR([libm.texinfo])
|
|
|
|
AC_ARG_ENABLE(newlib_hw_fp,
|
|
[ --enable-newlib-hw-fp Turn on hardware floating point math],
|
|
[case "${enableval}" in
|
|
yes) newlib_hw_fp=true ;;
|
|
no) newlib_hw_fp=false ;;
|
|
*) AC_MSG_ERROR(bad value ${enableval} for --enable-newlib-hw-fp) ;;
|
|
esac],[newlib_hw_fp=false])
|
|
AM_CONDITIONAL(NEWLIB_HW_FP, test x$newlib_hw_fp = xtrue)
|
|
|
|
dnl Autoconf 2.59 doesn't support the AC_TYPE_LONG_DOUBLE macro. Instead of:
|
|
dnl AC_TYPE_LONG_DOUBLE
|
|
dnl AM_CONDITIONAL(HAVE_LONG_DOUBLE, test x"$ac_cv_type_long_double" = x"yes")
|
|
dnl we specify our own long double test.
|
|
AC_CACHE_CHECK([Checking long double support], [acnewlib_cv_type_long_double],[dnl
|
|
cat > conftest.c <<EOF
|
|
int main() {
|
|
long double x = 0.0L;
|
|
return 0;
|
|
}
|
|
EOF
|
|
if AC_TRY_COMMAND([${CC} $CFLAGS $CPPFLAGS -c conftest.c 1>&AS_MESSAGE_LOG_FD])
|
|
then
|
|
acnewlib_cv_type_long_double=yes
|
|
else
|
|
acnewlib_cv_type_long_double=no
|
|
fi
|
|
rm -f conftest*])
|
|
AM_CONDITIONAL(HAVE_LONG_DOUBLE, test x"$acnewlib_cv_type_long_double" = x"yes")
|
|
|
|
dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake.
|
|
AC_CONFIG_AUX_DIR(../..)
|
|
|
|
NEWLIB_CONFIGURE(..)
|
|
|
|
dnl We have to enable libtool after NEWLIB_CONFIGURE because if we try and
|
|
dnl add it into NEWLIB_CONFIGURE, executable tests are made before the first
|
|
dnl line of the macro which fail because appropriate LDFLAGS are not set.
|
|
_LT_DECL_SED
|
|
_LT_PROG_ECHO_BACKSLASH
|
|
if test "${use_libtool}" = "yes"; then
|
|
AC_LIBTOOL_WIN32_DLL
|
|
AM_PROG_LIBTOOL
|
|
fi
|
|
|
|
AC_CONFIG_SUBDIRS(machine)
|
|
|
|
LIBM_MACHINE_LIB=
|
|
if test -n "${libm_machine_dir}"; then
|
|
if test "${use_libtool}" = "yes"; then
|
|
LIBM_MACHINE_LIB=machine/${libm_machine_dir}/lib${libm_machine_dir}.${aext}
|
|
else
|
|
LIBM_MACHINE_LIB=machine/lib.${aext}
|
|
fi
|
|
fi
|
|
|
|
AC_SUBST(LIBM_MACHINE_LIB)
|
|
|
|
AC_CONFIG_FILES([Makefile math/Makefile mathfp/Makefile common/Makefile])
|
|
AC_OUTPUT
|