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Diffstat (limited to 'libgloss/libnosys/configure.in')
| -rw-r--r-- | libgloss/libnosys/configure.in | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/libgloss/libnosys/configure.in b/libgloss/libnosys/configure.in new file mode 100644 index 000000000..45cbfddce --- /dev/null +++ b/libgloss/libnosys/configure.in @@ -0,0 +1,206 @@ +# Copyright (c) 1995, 1996 Cygnus Support +# +# The authors hereby grant permission to use, copy, modify, distribute, +# and license this software and its documentation for any purpose, provided +# that existing copyright notices are retained in all copies and that this +# notice is included verbatim in any distributions. No written agreement, +# license, or royalty fee is required for any of the authorized uses. +# Modifications to this software may be copyrighted by their authors +# and need not follow the licensing terms described here, provided that +# the new terms are clearly indicated on the first page of each file where +# they apply. +# +# Process this file with autoconf to produce a configure script. +# +AC_PREREQ(2.5)dnl +AC_INIT(close.c) +AC_CONFIG_HEADER(config.h) + +if test "${enable_shared}" = "yes" ; then + echo "Shared libraries not supported for cross compiling, ignored" +fi + +if test "$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 + +# FIXME: We temporarily define our own version of AC_PROG_CC. This is +# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We +# are building a library that must be included in all links, so we +# can't link an executable until this lib is built. +# autoconf should provide a way to do this. + +AC_DEFUN(LIB_AC_PROG_CC, +[AC_BEFORE([$0], [AC_PROG_CPP])dnl +AC_CHECK_PROG(CC, gcc, gcc) +if test -z "$CC"; then + AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) + test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH]) +fi + +AC_PROG_CC_GNU + +if test $ac_cv_prog_gcc = yes; then + GCC=yes +dnl Check whether -g works, even if CFLAGS is set, in case the package +dnl plays around with CFLAGS (such as to build both debugging and +dnl normal versions of a library), tasteless as that idea is. + ac_test_CFLAGS="${CFLAGS+set}" + ac_save_CFLAGS="$CFLAGS" + CFLAGS= + AC_PROG_CC_G + if test "$ac_test_CFLAGS" = set; then + CFLAGS="$ac_save_CFLAGS" + elif test $ac_cv_prog_cc_g = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-O2" + fi +else + GCC= + test "${CFLAGS+set}" = set || CFLAGS="-g" +fi +]) + +AC_DEFINE(HAVE_GNU_LD) +dnl Make sure syscall names match those being used by newlib +case "${target}" in + *-*-cygwin*) + ;; + a29k-amd-udi) + ;; + arc-*-*) + ;; + arm-*-pe) + ;; + arm-*-*) + ;; + strongarm-*-*) + ;; + d10v*) + ;; + h8300*-*-*) + ;; + h8500-*-*) + ;; + i[3456]86-*-sco*) + ;; + m32r-*-*) + ;; + mn10?00-*-*) + ;; + powerpcle-*-pe) + ;; + sh*-*-*) + ;; + sparc-sun-sunos*) + ;; + sparc64-*-*) + ;; + thumb-*-pe) + ;; + thumb-*-*) + ;; + v850-*-*) + ;; + v850e-*-*) + ;; + v850ea-*-*) + ;; + w65-*-*) + ;; + z8k-*-*) + ;; + *) + AC_DEFINE(MISSING_SYSCALL_NAMES) + ;; +esac + +dnl Make sure we know if elf format used +case "${target}" in + *-*-elf) + AC_DEFINE(HAVE_ELF) + + AC_CACHE_CHECK(for .previous assembler directive, + libc_cv_asm_previous_directive, [dnl + cat > conftest.s <<EOF +.section foo_section +.previous +EOF + if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AC_FD_CC); then + AC_DEFINE(HAVE_ASM_PREVIOUS_DIRECTIVE) + else + rm -f conftest*]) + AC_CACHE_CHECK(for .popsection assembler directive, + libc_cv_asm_popsection_directive, [dnl + cat > conftest.s <<EOF +.pushsection foo_section +.popsection +EOF + if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AC_FD_CC); then + AC_DEFINE(HAVE_ASM_POPSECTION_DIRECTIVE) + fi + fi + rm -f conftest*]) + ;; +esac + +AC_CACHE_CHECK(for function prefix, libc_dollar_prefix, [dnl +cat > conftest.c <<\EOF +foo () { } +EOF +dnl +if AC_TRY_COMMAND([${CC-cc} -S conftest.c -o - | fgrep "\$foo" > /dev/null]); +then + libc_dollar_prefix=yes +else + libc_dollar_prefix=no +fi +rm -f conftest* ]) +if test $libc_dollar_prefix = yes ; then + AC_DEFINE(__SYMBOL_PREFIX, "$") +else + AC_DEFINE(__SYMBOL_PREFIX, "") +fi + +LIB_AC_PROG_CC +AS=${AS-as} +AC_SUBST(AS) +AR=${AR-ar} +AC_SUBST(AR) +LD=${LD-ld} +AC_SUBST(LD) +AC_PROG_RANLIB + +host_makefile_frag=${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_OUTPUT(Makefile, +ac_file=Makefile . ${libgloss_topdir}/config-ml.in, +srcdir=${srcdir} +target=${target} +ac_configure_args="${ac_configure_args} --enable-multilib" +CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} +libgloss_topdir=${libgloss_topdir} +) + + |