| 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 complex/Makefile]) |
| AC_OUTPUT |