| dnl Process this file with autoconf to produce a configure script. |
| AC_PREREQ(2.59) |
| AC_INIT(redboot-crt0.S) |
| |
| dnl Support --disable-newlib-supplied-syscalls |
| AC_ARG_ENABLE(newlib-supplied-syscalls, |
| [ --disable-newlib-supplied-syscalls disable newlib from supplying syscalls], |
| [case "${enableval}" in |
| yes) newlib_may_supply_syscalls=yes ;; |
| no) newlib_may_supply_syscalls=no ;; |
| *) AC_MSG_ERROR(bad value ${enableval} for newlib-supplied-syscalls option) ;; |
| esac], [newlib_may_supply_syscalls=yes])dnl |
| |
| if test "x$newlib_may_supply_syscalls" = "xyes"; then |
| BUILD_CRT0_TRUE='#' |
| BUILD_CRT0_FALSE= |
| else |
| BUILD_CRT0_TRUE= |
| BUILD_CRT0_FALSE='#' |
| fi |
| |
| AC_SUBST(BUILD_CRT0_TRUE) |
| AC_SUBST(BUILD_CRT0_FALSE) |
| |
| if test "$srcdir" = "." ; then |
| if test "${with_target_subdir}" != "." ; then |
| libgloss_topdir="${srcdir}/${with_multisrctop}../../.." |
| else |
| libgloss_topdir="${srcdir}/${with_multisrctop}../.." |
| fi |
| else |
| libgloss_topdir="${srcdir}/../.." |
| fi |
| AC_CONFIG_AUX_DIR($libgloss_topdir) |
| |
| AC_CANONICAL_SYSTEM |
| AC_ARG_PROGRAM |
| |
| AC_PROG_INSTALL |
| |
| LIB_AC_PROG_CC |
| AS=${AS-as} |
| AC_SUBST(AS) |
| AR=${AR-ar} |
| AC_SUBST(AR) |
| LD=${LD-ld} |
| AC_SUBST(LD) |
| AC_PROG_RANLIB |
| LIB_AM_PROG_AS |
| |
| case "${target}" in |
| *-*-elf | *-*-eabi) |
| objtype=elf- |
| ;; |
| *-*-coff) |
| objtype=coff- |
| ;; |
| esac |
| |
| AC_SUBST(objtype) |
| |
| host_makefile_frag=${srcdir}/../config/default.mh |
| |
| dnl We have to assign the same value to other variables because autoconf |
| dnl doesn't provide a mechanism to substitute a replacement keyword with |
| dnl arbitrary data or pathnames. |
| dnl |
| host_makefile_frag_path=$host_makefile_frag |
| AC_SUBST(host_makefile_frag_path) |
| AC_SUBST_FILE(host_makefile_frag) |
| |
| AC_CONFIG_FILES(Makefile, |
| . ${libgloss_topdir}/config-ml.in, |
| srcdir=${srcdir} |
| target=${target} |
| with_multisubdir=${with_multisubdir} |
| ac_configure_args="${ac_configure_args} --enable-multilib" |
| CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} |
| libgloss_topdir=${libgloss_topdir} |
| ) |
| AC_OUTPUT |
| |