From 908436c1ec62838e4efdabbc591ee92b817d25b7 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Tue, 10 Aug 1999 15:38:09 +0000 Subject: New configuration files added by patch from Ralf Corsepius ". --- c/src/tests/samples/aclocal.m4 | 946 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 946 insertions(+) create mode 100644 c/src/tests/samples/aclocal.m4 (limited to 'c/src/tests/samples/aclocal.m4') diff --git a/c/src/tests/samples/aclocal.m4 b/c/src/tests/samples/aclocal.m4 new file mode 100644 index 0000000000..9933268d60 --- /dev/null +++ b/c/src/tests/samples/aclocal.m4 @@ -0,0 +1,946 @@ +dnl aclocal.m4 generated automatically by aclocal 1.4 + +dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl This program is distributed in the hope that it will be useful, +dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without +dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A +dnl PARTICULAR PURPOSE. + +dnl $Id$ + +dnl +dnl RTEMS_TOP($1) +dnl +dnl $1 .. relative path from this configure.in to the toplevel configure.in +dnl +AC_DEFUN(RTEMS_TOP, +[dnl +AC_ARG_WITH(target-subdir, +[ --with-target-subdir=DIR], +TARGET_SUBDIR="$withval", +TARGET_SUBDIR=".") + +RTEMS_TOPdir="$1"; +AC_SUBST(RTEMS_TOPdir) + +dnl Determine RTEMS Version string from the VERSION file +dnl Hopefully, Joel never changes its format ;- +AC_MSG_CHECKING([for RTEMS Version]) +if test -r "${srcdir}/${RTEMS_TOPdir}/VERSION"; then +changequote(,)dnl +RTEMS_VERSION=`grep Version ${srcdir}/${RTEMS_TOPdir}/VERSION | \ +sed -e 's%RTEMS[ ]*Version[ ]*\(.*\)[ ]*%\1%g'` +changequote([,])dnl +else +AC_MSG_ERROR(Unable to find ${RTEMS_TOPdir}/VERSION) +fi +if test -z "$RTEMS_VERSION"; then +AC_MSG_ERROR(Unable to determine version) +fi +AC_MSG_RESULT($RTEMS_VERSION) +])dnl + +dnl +dnl $Id$ +dnl + +dnl canonicalize target cpu +dnl NOTE: Most rtems targets do not fullfil autoconf's +dnl target naming conventions "processor-vendor-os" +dnl Therefore autoconf's AC_CANONICAL_TARGET will fail for them +dnl and we have to fix it for rtems ourselves + +AC_DEFUN(RTEMS_CANONICAL_TARGET_CPU, +[ +AC_CANONICAL_SYSTEM +AC_MSG_CHECKING(rtems target cpu) +changequote(,)dnl +case "${target}" in + # hpux unix port should go here + i[3456]86-go32-rtems*) + RTEMS_CPU=i386 + ;; + i[3456]86-pc-linux*) # unix "simulator" port + RTEMS_CPU=unix + ;; + i[3456]86-*freebsd2*) # unix "simulator" port + RTEMS_CPU=unix + ;; + no_cpu-*rtems*) + RTEMS_CPU=no_cpu + ;; + sparc-sun-solaris*) # unix "simulator" port + RTEMS_CPU=unix + ;; + *) + RTEMS_CPU=`echo $target | sed 's%^\([^-]*\)-\(.*\)$%\1%'` + ;; +esac +changequote([,])dnl +AC_SUBST(RTEMS_CPU) +AC_MSG_RESULT($RTEMS_CPU) +]) + +# Do all the work for Automake. This macro actually does too much -- +# some checks are only needed if your package does certain things. +# But this isn't really a big deal. + +# serial 1 + +dnl Usage: +dnl AM_INIT_AUTOMAKE(package,version, [no-define]) + +AC_DEFUN(AM_INIT_AUTOMAKE, +[AC_REQUIRE([AC_PROG_INSTALL]) +PACKAGE=[$1] +AC_SUBST(PACKAGE) +VERSION=[$2] +AC_SUBST(VERSION) +dnl test to see if srcdir already configured +if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then + AC_MSG_ERROR([source directory already configured; run "make distclean" there first]) +fi +ifelse([$3],, +AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package]) +AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])) +AC_REQUIRE([AM_SANITY_CHECK]) +AC_REQUIRE([AC_ARG_PROGRAM]) +dnl FIXME This is truly gross. +missing_dir=`cd $ac_aux_dir && pwd` +AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir) +AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir) +AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir) +AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir) +AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir) +AC_REQUIRE([AC_PROG_MAKE_SET])]) + +# +# Check to make sure that the build environment is sane. +# + +AC_DEFUN(AM_SANITY_CHECK, +[AC_MSG_CHECKING([whether build environment is sane]) +# Just in case +sleep 1 +echo timestamp > conftestfile +# Do `set' in a subshell so we don't clobber the current shell's +# arguments. Must try -L first in case configure is actually a +# symlink; some systems play weird games with the mod time of symlinks +# (eg FreeBSD returns the mod time of the symlink's containing +# directory). +if ( + set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null` + if test "[$]*" = "X"; then + # -L didn't work. + set X `ls -t $srcdir/configure conftestfile` + fi + if test "[$]*" != "X $srcdir/configure conftestfile" \ + && test "[$]*" != "X conftestfile $srcdir/configure"; then + + # If neither matched, then we have a broken ls. This can happen + # if, for instance, CONFIG_SHELL is bash and it inherits a + # broken ls alias from the environment. This has actually + # happened. Such a system could not be considered "sane". + AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken +alias in your environment]) + fi + + test "[$]2" = conftestfile + ) +then + # Ok. + : +else + AC_MSG_ERROR([newly created file is older than distributed files! +Check your system clock]) +fi +rm -f conftest* +AC_MSG_RESULT(yes)]) + +dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY) +dnl The program must properly implement --version. +AC_DEFUN(AM_MISSING_PROG, +[AC_MSG_CHECKING(for working $2) +# Run test in a subshell; some versions of sh will print an error if +# an executable is not found, even if stderr is redirected. +# Redirect stdin to placate older versions of autoconf. Sigh. +if ($2 --version) < /dev/null > /dev/null 2>&1; then + $1=$2 + AC_MSG_RESULT(found) +else + $1="$3/missing $2" + AC_MSG_RESULT(missing) +fi +AC_SUBST($1)]) + +# Add --enable-maintainer-mode option to configure. +# From Jim Meyering + +# serial 1 + +AC_DEFUN(AM_MAINTAINER_MODE, +[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) + dnl maintainer-mode is disabled by default + AC_ARG_ENABLE(maintainer-mode, +[ --enable-maintainer-mode enable make rules and dependencies not useful + (and sometimes confusing) to the casual installer], + USE_MAINTAINER_MODE=$enableval, + USE_MAINTAINER_MODE=no) + AC_MSG_RESULT($USE_MAINTAINER_MODE) + AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes) + MAINT=$MAINTAINER_MODE_TRUE + AC_SUBST(MAINT)dnl +] +) + +# Define a conditional. + +AC_DEFUN(AM_CONDITIONAL, +[AC_SUBST($1_TRUE) +AC_SUBST($1_FALSE) +if $2; then + $1_TRUE= + $1_FALSE='#' +else + $1_TRUE='#' + $1_FALSE= +fi]) + +dnl $Id$ + +AC_DEFUN(RTEMS_ENABLE_MULTIPROCESSING, +[ +AC_ARG_ENABLE(multiprocessing, +[ --enable-multiprocessing enable multiprocessing interface], +[case "${enableval}" in + yes) RTEMS_HAS_MULTIPROCESSING=yes ;; + no) RTEMS_HAS_MULTIPROCESSING=no ;; + *) AC_MSG_ERROR(bad value ${enableval} for enable-multiprocessing option) ;; +esac],[RTEMS_HAS_MULTIPROCESSING=no]) +AC_SUBST(RTEMS_HAS_MULTIPROCESSING)dnl +]) + +dnl $Id$ + +AC_DEFUN(RTEMS_ENABLE_POSIX, +[ +AC_ARG_ENABLE(posix, +[ --enable-posix enable posix interface], +[case "${enableval}" in + yes) RTEMS_HAS_POSIX_API=yes ;; + no) RTEMS_HAS_POSIX_API=no ;; + *) AC_MSG_ERROR(bad value ${enableval} for enable-posix option) ;; +esac],[RTEMS_HAS_POSIX_API=yes]) +AC_SUBST(RTEMS_HAS_POSIX_API) + +changequote(,)dnl +case "${target}" in + # hpux unix port should go here + i[3456]86-go32-rtems*) + RTEMS_HAS_POSIX_API=no + ;; + i[3456]86-pc-linux*) # unix "simulator" port + RTEMS_HAS_POSIX_API=no + ;; + i[3456]86-*freebsd2*) # unix "simulator" port + RTEMS_HAS_POSIX_API=no + ;; + no_cpu-*rtems*) + RTEMS_HAS_POSIX_API=no + ;; + sparc-sun-solaris*) # unix "simulator" port + RTEMS_HAS_POSIX_API=no + ;; + *) + ;; +esac +changequote([,])dnl +AC_SUBST(RTEMS_HAS_POSIX_API) +]) + +dnl $Id$ + +AC_DEFUN(RTEMS_ENABLE_NETWORKING, +[ +AC_ARG_ENABLE(networking, +[ --enable-networking enable TCP/IP stack], +[case "${enableval}" in + yes) RTEMS_HAS_NETWORKING=yes ;; + no) RTEMS_HAS_NETWORKING=no ;; + *) AC_MSG_ERROR(bad value ${enableval} for enable-networking option) ;; +esac],[RTEMS_HAS_NETWORKING=yes]) +AC_SUBST(RTEMS_HAS_NETWORKING)dnl +]) + +dnl $Id$ + +AC_DEFUN(RTEMS_ENABLE_INLINES, +[AC_ARG_ENABLE(rtems-inlines, +[ --enable-rtems-inlines enable RTEMS inline functions] +[ (default:enabled, disable to use macros)], +[case "${enableval}" in + yes) RTEMS_USE_MACROS=no ;; + no) RTEMS_USE_MACROS=yes ;; + *) AC_MSG_ERROR(bad value ${enableval} for disable-rtems-inlines option) ;; +esac],[RTEMS_USE_MACROS=no]) +AC_SUBST(RTEMS_USE_MACROS)dnl +]) + +dnl $Id$ + +AC_DEFUN(RTEMS_ENABLE_CXX, +[ +AC_ARG_ENABLE(cxx, +[ --enable-cxx enable C++ support,] +[ and build the rtems++ library], +[case "${enableval}" in + yes) RTEMS_HAS_CPLUSPLUS=yes ;; + no) RTEMS_HAS_CPLUSPLUS=no ;; + *) AC_MSG_ERROR(bad value ${enableval} for enable-cxx option) ;; +esac], [RTEMS_HAS_CPLUSPLUS=no]) +]) + +dnl $Id$ + +AC_DEFUN(RTEMS_ENABLE_GCC28, +[ +AC_ARG_ENABLE(gcc28, +[ --enable-gcc28 enable use of gcc 2.8.x features], +[case "${enableval}" in + yes) RTEMS_USE_GCC272=no ;; + no) RTEMS_USE_GCC272=yes ;; + *) AC_MSG_ERROR(bad value ${enableval} for gcc-28 option) ;; +esac],[RTEMS_USE_GCC272=no]) +]) + +dnl $Id$ + +AC_DEFUN(RTEMS_ENABLE_LIBCDIR, +[ +AC_ARG_ENABLE(libcdir, +[ --enable-libcdir=directory set the directory for the C library], +[ RTEMS_LIBC_DIR="${enableval}" ; \ +test -d ${enableval} || AC_MSG_ERROR("$enableval is not a directory" ) ] ) +AC_SUBST(RTEMS_LIBC_DIR)dnl +]) + +AC_DEFUN(RTEMS_ENABLE_BARE, +[ +AC_ARG_ENABLE(bare-cpu-cflags, +[ --enable-bare-cpu-cflags specify a particular cpu cflag] +[ (bare bsp specific)], +[case "${enableval}" in + no) BARE_CPU_CFLAGS="" ;; + *) BARE_CPU_CFLAGS="${enableval}" ;; +esac], +[BARE_CPU_CFLAGS=""]) + +AC_ARG_ENABLE(bare-cpu-model, +[ --enable-bare-cpu-model specify a particular cpu model] +[ (bare bsp specific)], +[case "${enableval}" in + no) BARE_CPU_MODEL="" ;; + *) BARE_CPU_MODEL="${enableval}" ;; +esac], +[BARE_CPU_MODEL=""]) +]) + + +dnl $Id$ + +dnl Override the set of BSPs to be built. +dnl used by the toplevel configure script +dnl RTEMS_ENABLE_RTEMSBSP(rtems_bsp_list) +AC_DEFUN(RTEMS_ENABLE_RTEMSBSP, +[ +AC_ARG_ENABLE(rtemsbsp, +[ --enable-rtemsbsp=bsp1 bsp2 .. BSPs to include in build], +[case "${enableval}" in + yes|no) AC_MSG_ERROR([missing argument to --enable-rtemsbsp=\"bsp1 bsp2\"]);; + *) $1=$enableval;; +esac],[$1=""]) +]) + +dnl Pass a single BSP via an environment variable +dnl used by per BSP configure scripts +AC_DEFUN(RTEMS_ENV_RTEMSBSP, +[dnl +AC_MSG_CHECKING([for RTEMS_BSP]) +AC_CACHE_VAL(rtems_cv_RTEMS_BSP, +[dnl + test -n "${RTEMS_BSP}" && rtems_cv_RTEMS_BSP="$RTEMS_BSP"; +])dnl +if test -z "$rtems_cv_RTEMS_BSP"; then + AC_MSG_ERROR([Missing RTEMS_BSP]) +fi +RTEMS_BSP="$rtems_cv_RTEMS_BSP" +AC_MSG_RESULT(${RTEMS_BSP}) +AC_SUBST(RTEMS_BSP) +]) + +dnl $Id$ + +dnl check if RTEMS support a cpu +AC_DEFUN(RTEMS_CHECK_CPU, +[dnl +AC_REQUIRE([RTEMS_TOP]) +AC_REQUIRE([RTEMS_CANONICAL_TARGET_CPU]) +# Is this a supported CPU? +AC_MSG_CHECKING([if cpu $RTEMS_CPU is supported]) +if test -d "$srcdir/$RTEMS_TOPdir/c/src/exec/score/cpu/$RTEMS_CPU"; then + AC_MSG_RESULT(yes) +else + AC_MSG_ERROR(no) +fi +])dnl + + +dnl $Id$ + +AC_DEFUN(RTEMS_CANONICAL_HOST, +[dnl +AC_REQUIRE([AC_CANONICAL_HOST]) +RTEMS_HOST=$host_os +changequote(,)dnl +case "${target}" in + # hpux unix port should go here + i[3456]86-pc-linux*) # unix "simulator" port + RTEMS_HOST=Linux + ;; + i[3456]86-*freebsd2*) # unix "simulator" port + RTEMS_HOST=FreeBSD + ;; + sparc-sun-solaris*) # unix "simulator" port + RTEMS_HOST=Solaris + ;; + *) + ;; +esac +changequote([,])dnl +AC_SUBST(RTEMS_HOST) +])dnl + +dnl +dnl $Id$ +dnl + +AC_DEFUN(RTEMS_PROJECT_ROOT, +[dnl +AC_REQUIRE([RTEMS_TOP]) +if test "$TARGET_SUBDIR" = "." ; then +PROJECT_ROOT=$RTEMS_TOPdir/'$(top_builddir)'; +else +PROJECT_ROOT=../$RTEMS_TOPdir/'$(top_builddir)' +fi +AC_SUBST(PROJECT_ROOT) + +RTEMS_ROOT=$RTEMS_TOPdir/'$(top_builddir)'/c/$RTEMS_BSP +AC_SUBST(RTEMS_ROOT) + +INSTALL_CHANGE="\$(KSH) \$(PROJECT_ROOT)/tools/build/install-if-change" +AC_SUBST(INSTALL_CHANGE) + +PACKHEX="\$(PROJECT_ROOT)/tools/build/packhex" +AC_SUBST(PACKHEX) +]) + + +dnl +dnl $Id$ +dnl +dnl Check for target gcc +dnl +dnl 98/05/20 Ralf Corsepius (corsepiu@faw.uni-ulm.de) +dnl Completely reworked + +AC_DEFUN(RTEMS_PROG_CC, +[ +AC_BEFORE([$0], [AC_PROG_CPP])dnl +AC_BEFORE([$0], [AC_PROG_CC])dnl +AC_REQUIRE([RTEMS_TOOL_PREFIX])dnl + +dnl Only accept gcc and cc +dnl NOTE: This might be too restrictive for native compilation +AC_PATH_PROGS(CC_FOR_TARGET, "$program_prefix"gcc "$program_prefix"cc ) +test -z "$CC_FOR_TARGET" \ + && AC_MSG_ERROR([no acceptable cc found in \$PATH]) + +dnl backup +rtems_save_CC=$CC +rtems_save_CFLAGS=$CFLAGS + +dnl temporarily set CC +CC=$CC_FOR_TARGET + +AC_PROG_CC_WORKS +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 + +rtems_cv_prog_gcc=$ac_cv_prog_gcc +rtems_cv_prog_cc_g=$ac_cv_prog_cc_g +rtems_cv_prog_cc_works=$ac_cv_prog_cc_works +rtems_cv_prog_cc_cross=$ac_cv_prog_cc_cross + +dnl restore initial values +CC=$rtems_save_CC +CFLAGS=$rtems_save_CFLAGS + +unset ac_cv_prog_gcc +unset ac_cv_prog_cc_g +unset ac_cv_prog_cc_works +unset ac_cv_prog_cc_cross +]) + +AC_DEFUN(RTEMS_PROG_CC_FOR_TARGET, +[ +dnl check target cc +RTEMS_PROG_CC +dnl check if the compiler supports --specs +RTEMS_GCC_SPECS +dnl check if the target compiler may use --pipe +RTEMS_GCC_PIPE +dnl check if the compiler supports --specs if gcc28 is requested +if test "$RTEMS_USE_GCC272" != "yes" ; then + if test "$rtems_cv_gcc_specs" = "no"; then + AC_MSG_WARN([*** disabling --enable-gcc28]) + RTEMS_USE_GCC272=yes + fi +fi +test "$rtems_cv_gcc_pipe" = "yes" && CC_FOR_TARGET="$CC_FOR_TARGET --pipe" + +dnl FIXME: HACK for egcs/cygwin mixing '\\' and '/' in gcc -print-* +case $host_os in +*cygwin*) GCCSED="| sed 's%\\\\%/%g'" ;; +*) ;; +esac +AC_SUBST(GCCSED) +]) + +dnl +dnl $Id$ +dnl +dnl Set program_prefix +dnl +dnl 98/05/20 Ralf Corsepius (corsepiu@faw.uni-ulm.de) +dnl Extracted from configure + +AC_DEFUN(RTEMS_TOOL_PREFIX, +[AC_REQUIRE([AC_CANONICAL_TARGET])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl + +changequote(,)dnl +if [ "${program_prefix}" = "NONE" ] ; then + if [ "${target}" = "${host}" ] ; then + program_prefix= + else + program_prefix=${target}- + fi +fi +changequote([,])dnl +]) + +dnl +dnl $Id$ +dnl +dnl Check whether the target compiler accepts -specs +dnl +dnl 98/02/11 Ralf Corsepius corsepiu@faw.uni-ulm.de +dnl + +AC_DEFUN(RTEMS_GCC_SPECS, +[AC_REQUIRE([RTEMS_PROG_CC]) +AC_CACHE_CHECK(whether $CC_FOR_TARGET accepts -specs,rtems_cv_gcc_specs, +[ +rtems_cv_gcc_specs=no +if test "$rtems_cv_prog_gcc" = "yes"; then + touch confspec + echo 'void f(){}' >conftest.c + if test -z "`${CC_FOR_TARGET} -specs confspec -c conftest.c 2>&1`";then + rtems_cv_gcc_specs=yes + fi +fi +rm -f confspec conftest* +])]) + +dnl +dnl $Id$ +dnl +dnl Check whether the target compiler accepts -pipe +dnl +dnl 98/02/11 Ralf Corsepius corsepiu@faw.uni-ulm.de +dnl + +AC_DEFUN(RTEMS_GCC_PIPE, +[AC_REQUIRE([RTEMS_PROG_CC]) +AC_REQUIRE([AC_CANONICAL_HOST]) +AC_CACHE_CHECK(whether $CC_FOR_TARGET accepts --pipe,rtems_cv_gcc_pipe, +[ +rtems_cv_gcc_pipe=no +if test "$rtems_cv_prog_gcc" = "yes"; then +case "$host_os" in + cygwin*) + ;; + *) + echo 'void f(){}' >conftest.c + if test -z "`${CC_FOR_TARGET} --pipe -c conftest.c 2>&1`";then + rtems_cv_gcc_pipe=yes + fi + rm -f conftest* + ;; +esac +fi +]) +]) + +dnl +dnl $Id$ +dnl +dnl Check for target g++ +dnl +dnl 98/05/20 Ralf Corsepius (corsepiu@faw.uni-ulm.de) +dnl Completely reworked + +AC_DEFUN(RTEMS_PROG_CXX, +[ +AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl +AC_BEFORE([$0], [AC_PROG_CXX])dnl +AC_REQUIRE([RTEMS_TOOL_PREFIX])dnl + +dnl Only accept g++ and c++ +dnl NOTE: This might be too restrictive for native compilation +AC_PATH_PROGS(CXX_FOR_TARGET, "$program_prefix"g++ "$program_prefix"c++) +test -z "$CXX_FOR_TARGET" \ + && AC_MSG_ERROR([no acceptable c++ found in \$PATH]) + +dnl backup +rtems_save_CXX=$CXX +rtems_save_CXXFLAGS=$CXXFLAGS + +dnl temporarily set CXX +CXX=$CXX_FOR_TARGET + +AC_PROG_CXX_WORKS +AC_PROG_CXX_GNU + +if test $ac_cv_prog_gxx = yes; then + GXX=yes +dnl Check whether -g works, even if CXXFLAGS is set, in case the package +dnl plays around with CXXFLAGS (such as to build both debugging and +dnl normal versions of a library), tasteless as that idea is. + ac_test_CXXFLAGS="${CXXFLAGS+set}" + ac_save_CXXFLAGS="$CXXFLAGS" + CXXFLAGS= + AC_PROG_CXX_G + if test "$ac_test_CXXFLAGS" = set; then + CXXFLAGS="$ac_save_CXXFLAGS" + elif test $ac_cv_prog_cxx_g = yes; then + CXXFLAGS="-g -O2" + else + CXXFLAGS="-O2" + fi +else + GXX= + test "${CXXFLAGS+set}" = set || CXXFLAGS="-g" +fi + +rtems_cv_prog_gxx=$ac_cv_prog_gxx +rtems_cv_prog_cxx_g=$ac_cv_prog_cxx_g +rtems_cv_prog_cxx_works=$ac_cv_prog_cxx_works +rtems_cv_prog_cxx_cross=$ac_cv_prog_cxx_cross + +CXX=$rtems_save_CXX +CXXFLAGS=$rtems_save_CXXFLAGS + +dnl restore initial values +unset ac_cv_prog_gxx +unset ac_cv_prog_cc_g +unset ac_cv_prog_cxx_works +unset ac_cv_prog_cxx_cross +]) + +AC_DEFUN(RTEMS_PROG_CXX_FOR_TARGET, +[ + RTEMS_PROG_CXX + if test "$rtems_cv_prog_cc_cross" != "$rtems_cv_prog_cxx_cross"; then + AC_MSG_ERROR([***] + [Inconsistency in compiler configuration:] + [Target C compiler and Target C++ compiler] + [must both either be cross compilers or native compilers] + [Hint: If building a posix bsp: LD_LIBRARY_PATH?] ) + fi +]) + +dnl +dnl $Id$ +dnl +dnl Set target tools +dnl +dnl 98/06/23 Ralf Corsepius (corsepiu@faw.uni-ulm.de) +dnl fixing cache/environment variable handling +dnl adding checks for cygwin/egcs '\\'-bug +dnl adding checks for ranlib/ar -s problem +dnl +dnl 98/02/12 Ralf Corsepius (corsepiu@faw.uni-ulm.de) +dnl + +AC_DEFUN(RTEMS_GCC_PRINT, +[ case $host_os in + *cygwin*) + dnl FIXME: Hack for cygwin/egcs reporting mixed '\\' and '/' + dnl Should be removed once cygwin/egcs reports '/' only + $1=`$CC_FOR_TARGET --print-prog-name=$2 | sed -e 's%\\\\%/%g' ` + ;; + *) + $1=`$CC_FOR_TARGET --print-prog-name=$2` + ;; + esac +]) + +AC_DEFUN(RTEMS_PATH_TOOL, +[ +AC_MSG_CHECKING([target's $2]) +AC_CACHE_VAL(ac_cv_path_$1,:) +AC_MSG_RESULT([$ac_cv_path_$1]) + +if test -n "$ac_cv_path_$1"; then + dnl retrieve the value from the cache + $1=$ac_cv_path_$1 +else + dnl the cache was not set + if test -z "[$]$1" ; then + if test "$rtems_cv_prog_gcc" = "yes"; then + # We are using gcc, ask it about its tool + # NOTE: Necessary if gcc was configured to use the target's + # native tools or uses prefixes for gnutools (e.g. gas instead of as) + RTEMS_GCC_PRINT($1,$2) + fi + else + # The user set an environment variable. + # Check whether it is an absolute path, otherwise AC_PATH_PROG + # will override the environment variable, which isn't what the user + # intends + AC_MSG_CHECKING([whether environment variable $1 is an absolute path]) + case "[$]$1" in + /*) # valid + AC_MSG_RESULT("yes") + ;; + *) # invalid for AC_PATH_PROG + AC_MSG_RESULT("no") + AC_MSG_ERROR([***] + [Environment variable $1 should either] + [be unset (preferred) or contain an absolute path]) + ;; + esac + fi + + AC_PATH_PROG($1,"$program_prefix"$2,$3) +fi +]) + +AC_DEFUN(RTEMS_CANONICALIZE_TOOLS, +[AC_REQUIRE([RTEMS_PROG_CC])dnl + +dnl FIXME: What shall be done if these tools are not available? + RTEMS_PATH_TOOL(AR_FOR_TARGET,ar,no) + RTEMS_PATH_TOOL(AS_FOR_TARGET,as,no) + RTEMS_PATH_TOOL(LD_FOR_TARGET,ld,no) + RTEMS_PATH_TOOL(NM_FOR_TARGET,nm,no) + +dnl special treatment of ranlib + RTEMS_PATH_TOOL(RANLIB_FOR_TARGET,ranlib,no) + if test "$RANLIB_FOR_TARGET" = "no"; then + # ranlib wasn't found; check if ar -s is available + RTEMS_AR_FOR_TARGET_S + if test $rtems_cv_AR_FOR_TARGET_S = "yes" ; then + dnl override RANLIB_FOR_TARGET's cache + ac_cv_path_RANLIB_FOR_TARGET="$AR_FOR_TARGET -s" + RANLIB_FOR_TARGET=$ac_cv_path_RANLIB_FOR_TARGET + else + AC_MSG_ERROR([***] + [Can't figure out how to build a library index] + [Neither ranlib nor ar -s seem to be available] ) + fi + fi + +dnl NOTE: These may not be available if not using gnutools + RTEMS_PATH_TOOL(OBJCOPY_FOR_TARGET,objcopy,no) + RTEMS_PATH_TOOL(SIZE_FOR_TARGET,size,no) + RTEMS_PATH_TOOL(STRIP_FOR_TARGET,strip,no) +]) + +dnl +dnl $Id$ +dnl + +AC_DEFUN(RTEMS_AR_FOR_TARGET_S, +[ +AC_CACHE_CHECK(whether $AR_FOR_TARGET -s works, +rtems_cv_AR_FOR_TARGET_S, +[ +cat > conftest.$ac_ext <