diff options
Diffstat (limited to 'contrib/libstdc++/configure.in')
| -rw-r--r-- | contrib/libstdc++/configure.in | 558 |
1 files changed, 373 insertions, 185 deletions
diff --git a/contrib/libstdc++/configure.in b/contrib/libstdc++/configure.in index bd2c9c7..663e4f3 100644 --- a/contrib/libstdc++/configure.in +++ b/contrib/libstdc++/configure.in @@ -1,203 +1,391 @@ -# This file is a shell script fragment that supplies the information -# necessary for a configure script to process the program in -# this directory. For more information, look at ../configure. - -# If the language specific compiler does not exist, but the "gcc" directory -# does, we do not build anything. Note, $r is set by the top-level Makefile. -# Note that when we look for the compiler, we search both with and without -# extension to handle cross and canadian cross builds. -# Note that if $norecursion is set we're being called from config.status, -# so don't check for the compiler; we might be doing a make clean. -compiler_name=cc1plus -rm -f skip-this-dir -if test -n "$r" && [ -z "$norecursion" ] ; then - if test -d "$r"/gcc; then - if test -f "$r"/gcc/$compiler_name \ - || test -f "$r"/gcc/$compiler_name.exe; then - true - else - echo "rm -f multilib.out" > skip-this-dir - fi - fi -fi +# Process this file with autoconf to produce a configure script, like so: +# aclocal && autoconf && autoheader && automake + +AC_PREREQ(2.13) +AC_INIT(src/ios.cc) + +# This works around the fact that libtool configuration may change LD +# for this particular configuration, but some shells, instead of +# keeping the changes in LD private, export them just because LD is +# exported. +ORIGINAL_LD_FOR_MULTILIBS=$LD + +PACKAGE=libstdc++ +AC_SUBST(PACKAGE) +# For typical GNU versioning info, format is MAJOR.MINOR.MICRO +release_VERSION=3.1.0 +AC_SUBST(release_VERSION) +# For libtool versioning info, format is CURRENT:REVISION:AGE +libtool_VERSION=4:0:0 +AC_SUBST(libtool_VERSION) + +# Gets build, host, target, *_vendor, *_cpu, *_os, etc. +# AC 2.5x sets target_alias iff the user specified --target, but we use it +# everywhere, so we set it here just to be sure. In AC 2.13 +# AC_CANONICAL_TARGET was known as AC_CANONICAL_SYSTEM. +AC_CANONICAL_SYSTEM +target_alias=${target_alias-$target} +AC_SUBST(target_alias) + +AM_INIT_AUTOMAKE($PACKAGE, $release_VERSION) +AM_CONFIG_HEADER(config.h) + +# Runs configure.host and configure.target, as well as finds CC, CXX +# and assorted other critical bits. Have to run this before the +# GLIBCPP_ENABLE_* macros below. +GLIBCPP_CONFIGURE(.) + +AC_LIBTOOL_DLOPEN +AM_PROG_LIBTOOL +AC_SUBST(enable_shared) +AC_SUBST(enable_static) + +# Check for c++ or library specific bits that don't require linking. +#GLIBCPP_CHECK_COMPILER_VERSION +GLIBCPP_CHECK_GNU_MAKE + +# Enable all the variable C++ stuff. C_MBCHAR must come early. +GLIBCPP_ENABLE_DEBUG($USE_MAINTAINER_MODE) +GLIBCPP_ENABLE_CSTDIO +GLIBCPP_ENABLE_CLOCALE +GLIBCPP_ENABLE_C_MBCHAR([yes]) +GLIBCPP_ENABLE_C99([yes]) +GLIBCPP_ENABLE_LONG_LONG([yes]) +GLIBCPP_ENABLE_CHEADERS([c_std]) +GLIBCPP_ENABLE_THREADS +GLIBCPP_ENABLE_CXX_FLAGS([none]) +GLIBCPP_ENABLE_SJLJ_EXCEPTIONS +GLIBCPP_ENABLE_LIBUNWIND_EXCEPTIONS +GLIBCPP_ENABLE_CONCEPT_CHECKS + + +if test -n "$with_cross_host" || test x"$build" != x"$host"; then + + # This lets us hard-code the functionality we know + # we'll have in the cross target environment. "Let" is a + # sugar-coated word placed on an especially dull and tedious hack, actually. + # Here's why GLIBCPP_CHECK_MATH_SUPPORT, and other autoconf macros + # that involve linking can't be used: + # "cannot open sim-crt0.o" + # "cannot open crt0.o" + # etc. All this is because there currently exists no unified, + # consistent way for top level CC information to be passed down + # to target directories: newlib includes, newlib linking info, + # libgloss versus newlib crt0.o, etc. When all of this is done, all + # of this hokey, excessive AC_DEFINE junk for crosses can be removed. -if [ "${srcdir}" = "." ] ; then - if [ "${with_target_subdir}" != "." ] ; then - topsrcdir=${with_multisrctop}../.. + # We are being configured with some form of cross compiler. + GLIBCPP_IS_CROSS_COMPILING=1 + + # If Canadian cross, then don't pick up tools from the build + # directory. + if test -n "$with_cross_host" && test x"$build" != x"$with_cross_host"; then + CANADIAN=yes else - topsrcdir=${with_multisrctop}.. + CANADIAN=no fi -else - topsrcdir=${srcdir}/.. -fi -if [ -d ${topsrcdir}/gcc ] ; then - configdirs="tests testsuite" -else - configdirs="tests" -fi -srctrigger=sinst.cc -srcname="ANSI C++ library" -package_makefile_frag=Make.pack -package_makefile_rules_frag=Make.pack.r - -# per-host: - -# per-target: - -echo "# Warning: this fragment is automatically generated" > temp.mt -frags= - -# If they didn't specify --enable-shared, don't generate shared libs. -case "${enable_shared}" in - yes) shared=yes ;; - no) shared=no ;; - *libstdc++*) shared=yes ;; - *) shared=no ;; -esac - -if [ "${shared}" = "yes" ]; then - case "${target}" in - alpha*-*-linux*) frags=../../config/mh-elfalphapic ;; - arm*-*-*) frags=../../config/mh-armpic ;; - hppa*-*-*) frags=../../config/mh-papic ;; - i[3456]86-*-*) frags=../../config/mh-x86pic ;; - powerpc*-*-aix*) ;; - powerpc*-*-*) frags=../../config/mh-ppcpic ;; - *-*-*) frags=../../config/mh-${target_cpu}pic ;; - esac - case "${target}" in - *-dec-osf*) frags="${frags} dec-osf.ml";; - *-*-hpux*) frags="${frags} hpux.ml" ;; - *-*-irix[56]*) frags="${frags} irix5.ml" ;; - *-*-linux*aout*) ;; - *-*-freebsd2*) ;; - *-*-freebsd*) frags="${frags} freebsd.ml" ;; - *-*-linux*) frags="${frags} linux.ml" ;; - *-*-openbsd*) frags="${frags} openbsd.ml" ;; - *-*-sysv[45]*|*-*-udk*) frags="${frags} elf.ml" ;; - *-*-solaris*) frags="${frags} sol2shm.ml" ;; - *-*-sunos4*) frags="${frags} sunos4.ml" ;; - *-*-aix*) frags="${frags} aix.ml" ;; - i[3456]86-*-interix*) frags="${frags} x86-interix.ml" ;; - *-*-gnu*) frags="${frags} gnu.ml" ;; - esac -fi + # Construct crosses by hand, eliminating bits that need ld... + # GLIBCPP_CHECK_COMPILER_FEATURES + # GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT + # GLIBCPP_CHECK_MATH_SUPPORT -# Make sure the right flags are defined for multi-threading. -case "${target}" in - alpha*-*-linux-gnulibc1) frags="${frags} linux.mt" ;; - powerpc*-*-linux-gnulibc1) frags="${frags} linux.mt" ;; - *-*-linux-gnu) frags="${frags} linux.mt" ;; - *-*-openbsd*) - case "x${enable_threads}" in - xyes|xposix) frags="${frags} openbsd.mt" ;; - esac;; - m68k-motorola-sysv) frags="${frags} delta.mt" ;; - *-*-solaris*) - case "x${enable_threads}" in - xposix) frags="${frags} sol2pth.mt" ;; - xsolaris) frags="${frags} sol2solth.mt" ;; - esac ;; - *) - case "x${enable_threads}" in - xposix) frags="${frags} posix.mt" ;; - esac ;; -esac - -for frag in ${frags}; do - case ${frag} in - ../* ) - if [ ${srcdir} = . ]; then - [ -n "${with_target_subdir}" ] && frag=../${frag} - [ -n "${with_multisrctop}" ] && frag=${with_multisrctop}${frag} + case "$target_alias" in + *-linux*) + # Check for available headers. + AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h \ + machine/endian.h machine/param.h sys/machine.h sys/types.h \ + fp.h locale.h float.h inttypes.h]) + SECTION_FLAGS='-ffunction-sections -fdata-sections' + AC_SUBST(SECTION_FLAGS) + GLIBCPP_CHECK_LINKER_FEATURES + GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT + GLIBCPP_CHECK_WCHAR_T_SUPPORT + os_include_dir="config/os/gnu-linux" + AC_DEFINE(HAVE_COPYSIGN) + AC_DEFINE(HAVE_COPYSIGNF) + AC_DEFINE(HAVE_FINITEF) + AC_DEFINE(HAVE_FREXPF) + AC_DEFINE(HAVE_HYPOTF) + AC_DEFINE(HAVE_SINCOS) + AC_DEFINE(HAVE_SINCOSF) + if test x"long_double_math_on_this_cpu" = x"yes"; then + AC_DEFINE(HAVE_HYPOTL) fi ;; + *-hpux*) + # Check for available headers. + AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h \ + machine/endian.h machine/param.h sys/machine.h sys/types.h \ + fp.h locale.h float.h inttypes.h]) + SECTION_FLAGS='-ffunction-sections -fdata-sections' + AC_SUBST(SECTION_FLAGS) + GLIBCPP_CHECK_LINKER_FEATURES + GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT + GLIBCPP_CHECK_WCHAR_T_SUPPORT + os_include_dir="config/os/hpux" + AC_DEFINE(HAVE_COPYSIGN) + AC_DEFINE(HAVE_COPYSIGNF) + AC_DEFINE(HAVE_FINITEF) + AC_DEFINE(HAVE_FREXPF) + AC_DEFINE(HAVE_HYPOT) + AC_DEFINE(HAVE_SINCOS) + AC_DEFINE(HAVE_SINCOSF) + ;; + *-netbsd*) + # Check for available headers. + AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h \ + machine/endian.h machine/param.h sys/machine.h sys/types.h \ + fp.h locale.h float.h inttypes.h]) + SECTION_FLAGS='-ffunction-sections -fdata-sections' + AC_SUBST(SECTION_FLAGS) + GLIBCPP_CHECK_LINKER_FEATURES + GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT + GLIBCPP_CHECK_WCHAR_T_SUPPORT + os_include_dir="config/os/bsd/netbsd" + AC_DEFINE(HAVE_COPYSIGN) + AC_DEFINE(HAVE_COPYSIGNF) + AC_DEFINE(HAVE_FINITEF) + AC_DEFINE(HAVE_FREXPF) + AC_DEFINE(HAVE_HYPOTF) + ;; + *-mingw32*) + AC_CHECK_HEADERS([sys/types.h locale.h float.h]) + GLIBCPP_CHECK_LINKER_FEATURES + GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT + GLIBCPP_CHECK_WCHAR_T_SUPPORT + os_include_dir="config/os/mingw32" + ;; + *) + os_include_dir="config/os/newlib" + AC_DEFINE(HAVE_HYPOT) + ;; + esac + + case "$target_alias" in + *-mingw32*) + ;; + *) + # GLIBCPP_CHECK_STDLIB_SUPPORT + AC_DEFINE(HAVE_STRTOF) + AC_DEFINE(HAVE_STRTOLD) + # AC_FUNC_MMAP + AC_DEFINE(HAVE_MMAP) + + AC_DEFINE(HAVE_ACOSF) + AC_DEFINE(HAVE_ASINF) + AC_DEFINE(HAVE_ATAN2F) + AC_DEFINE(HAVE_ATANF) + AC_DEFINE(HAVE_CEILF) + AC_DEFINE(HAVE_COPYSIGN) + AC_DEFINE(HAVE_COPYSIGNF) + AC_DEFINE(HAVE_COSF) + AC_DEFINE(HAVE_COSHF) + AC_DEFINE(HAVE_EXPF) + AC_DEFINE(HAVE_FABSF) + AC_DEFINE(HAVE_FINITE) + AC_DEFINE(HAVE_FINITEF) + AC_DEFINE(HAVE_FLOORF) + AC_DEFINE(HAVE_FMODF) + AC_DEFINE(HAVE_FREXPF) + AC_DEFINE(HAVE_ISINF) + AC_DEFINE(HAVE_ISINFF) + AC_DEFINE(HAVE_ISNAN) + AC_DEFINE(HAVE_ISNANF) + AC_DEFINE(HAVE_LDEXPF) + AC_DEFINE(HAVE_LOG10F) + AC_DEFINE(HAVE_LOGF) + AC_DEFINE(HAVE_MODFF) + AC_DEFINE(HAVE_POWF) + AC_DEFINE(HAVE_SINF) + AC_DEFINE(HAVE_SINHF) + AC_DEFINE(HAVE_SQRTF) + AC_DEFINE(HAVE_TANF) + AC_DEFINE(HAVE_TANHF) + ;; esac - frag=${srcdir}/config/$frag - if [ -f ${frag} ]; then - echo "Appending ${frag} to target-mkfrag" - echo "# Following fragment copied from ${frag}" >> temp.mt - cat ${frag} >> temp.mt + + # At some point, we should differentiate between architectures + # like x86, which have long double versions, and alpha/powerpc/etc., + # which don't. For the time being, punt. + if test x"long_double_math_on_this_cpu" = x"yes"; then + AC_DEFINE(HAVE_ACOSL) + AC_DEFINE(HAVE_ASINL) + AC_DEFINE(HAVE_ATAN2L) + AC_DEFINE(HAVE_ATANL) + AC_DEFINE(HAVE_CEILL) + AC_DEFINE(HAVE_COPYSIGNL) + AC_DEFINE(HAVE_COSL) + AC_DEFINE(HAVE_COSHL) + AC_DEFINE(HAVE_EXPL) + AC_DEFINE(HAVE_FABSL) + AC_DEFINE(HAVE_FINITEL) + AC_DEFINE(HAVE_FLOORL) + AC_DEFINE(HAVE_FMODL) + AC_DEFINE(HAVE_FREXPL) + AC_DEFINE(HAVE_ISINFL) + AC_DEFINE(HAVE_ISNANL) + AC_DEFINE(HAVE_LDEXPL) + AC_DEFINE(HAVE_LOG10L) + AC_DEFINE(HAVE_LOGL) + AC_DEFINE(HAVE_MODFL) + AC_DEFINE(HAVE_POWL) + AC_DEFINE(HAVE_SINCOSL) + AC_DEFINE(HAVE_SINL) + AC_DEFINE(HAVE_SINHL) + AC_DEFINE(HAVE_SQRTL) + AC_DEFINE(HAVE_TANL) + AC_DEFINE(HAVE_TANHL) fi -done - -target_makefile_frag=target-mkfrag -${moveifchange} temp.mt target-mkfrag - -LIBDIR=yes -TO_TOPDIR=../ -ALL='libs' -XCXXINCLUDES="-I${srcdir} -I${srcdir}/stl -I${TO_TOPDIR}libio -I${srcdir}/${TO_TOPDIR}libio" -MOSTLYCLEAN='*.o pic stamp-picdir core so_locations $(MOSTLYCLEAN_JUNK)' -CLEAN='$(CLEAN_JUNK)' -EXTRA_DISTCLEAN='target-mkfrag' - -(. ${srcdir}/${TO_TOPDIR}libio/config.shared) >${package_makefile_frag} 2>${package_makefile_rules_frag} - -. ${topsrcdir}/config.if -echo " -LIBSTDCXX_INTERFACE=${libstdcxx_interface} -CXX_INTERFACE=${cxx_interface} -LIBC_INTERFACE=${libc_interface} -" >> ${package_makefile_frag} - -# This duplicated the AC_PROG_LN_S macro in GNU autoconf. -rm -f conttestdata -if ln -s X conftestdata 2>/dev/null -then - rm -f conftestdata - LN_S="ln -s" else - LN_S=ln -fi -echo " -LN_S=$LN_S -" >> ${package_makefile_frag} - -# post-target: - -# If cross-compiling, we install in $(tooldir)/lib or in $(libsubdir) -# depending on --enable-version-specific-runtime-libs. -if [ -n "${with_cross_host}" ] ; then - rm -f Makefile.tem - sed \ - -e 's|^\([ ]*INSTALLDIR[ ]*=[ ]*\)\$(libdir)|\1$(tooldir)/lib|' \ - Makefile >Makefile.tem - mv -f Makefile.tem Makefile + + # We are being configured natively. We can do more elaborate tests + # that include AC_TRY_COMPILE now, as the linker is assumed to be + # working. + GLIBCPP_IS_CROSS_COMPILING=0 + CANADIAN=no + + # Check for available headers. + AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h machine/endian.h \ + machine/param.h sys/machine.h fp.h locale.h float.h inttypes.h gconv.h]) + + GLIBCPP_CHECK_COMPILER_FEATURES + GLIBCPP_CHECK_LINKER_FEATURES + GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT + GLIBCPP_CHECK_MATH_SUPPORT + GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT + GLIBCPP_CHECK_WCHAR_T_SUPPORT + GLIBCPP_CHECK_STDLIB_SUPPORT + AC_LC_MESSAGES + + AC_TRY_COMPILE([ + #include <setjmp.h> + ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);], + [AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ]) + ]) + + AC_FUNC_MMAP + + # Establish limits on memory usage during 'make check' + GLIBCPP_CONFIGURE_TESTSUITE fi -# enable multilib-ing by default. -if [ -z "${enable_multilib}" ]; then - enable_multilib=yes +# This depends on the possibly-skipped linker test above. +GLIBCPP_ENABLE_SYMVERS([yes]) + +# Propagate the target-specific source directories through the build chain. +OS_INC_SRCDIR=$os_include_dir/bits +ATOMICITY_INC_SRCDIR=$ATOMICITYH/bits +CPU_LIMITS_INC_SRCDIR=$CPULIMITSH/bits +AC_SUBST(OS_INC_SRCDIR) +AC_SUBST(ATOMICITY_INC_SRCDIR) +AC_SUBST(CPU_LIMITS_INC_SRCDIR) + +# Set up cross-compile flags +AC_SUBST(GLIBCPP_IS_CROSS_COMPILING) +AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes) + +AC_CACHE_SAVE + +if test "${multilib}" = "yes"; then + multilib_arg="--enable-multilib" +else + multilib_arg= fi -. ${topsrcdir}/config-ml.in - -gxx_include_dir= -# Specify the g++ header file directory -# Check whether --with-gxx-include-dir or --without-gxx-include-dir was given. -if test "${with_gxx_include_dir+set}" = set; then - withval="$with_gxx_include_dir" - case "${withval}" in - yes) - echo "configure.in: error: bad value ${withval} given for g++ include directory" 1>&2 - exit 1 - ;; - no) ;; - *) gxx_include_dir=$with_gxx_include_dir ;; - esac +# Needed so that g++ can find the correct include subdir automatically. +INTERFACE=v3 + +# Export all the install information +GLIBCPP_EXPORT_INSTALL_INFO + +# Export all the include and flag information to makefiles. +GLIBCPP_EXPORT_INCLUDES +GLIBCPP_EXPORT_FLAGS + +if ${CONFIG_SHELL-/bin/sh} ./libtool --tag CXX --features | + grep "enable shared" > /dev/null; then + LIBSUPCXX_PICFLAGS=-prefer-pic +else + LIBSUPCXX_PICFLAGS= fi +AC_SUBST(LIBSUPCXX_PICFLAGS) -if test x${gxx_include_dir} = x; then - if test x${enable_version_specific_runtime_libs} = xyes; then - gxx_include_dir='${libsubdir}/include/g++' - else - gxx_include_dir='${prefix}/include/g++'-${libstdcxx_interface} - fi +# Generate the various Makefiles, include files, and scripts. +# NB: Multilibs need MULTISUBDIR defined correctly in src/Makefile.am +# and libsupc++/Makefile.am so that multilib installs will end up +# installed in the correct place. To work around this not being passed +# down from config-ml.in -> top_srcdir/Makefile.am -> +# top_srcdir/{src,libsupc++}/Makefile.am, manually append it here. +AC_OUTPUT(Makefile \ + include/Makefile src/Makefile \ + libmath/Makefile libio/Makefile libsupc++/Makefile \ + po/Makefile testsuite/Makefile mkcheck testsuite_flags, +[if test -n "$CONFIG_FILES"; then + LD="${ORIGINAL_LD_FOR_MULTILIBS}" + ac_file=Makefile . ${glibcpp_basedir}/../config-ml.in + grep '^MULTISUBDIR =' Makefile >> src/Makefile + grep '^MULTISUBDIR =' Makefile >> libsupc++/Makefile fi +chmod +x mkcheck +chmod +x testsuite_flags +], +srcdir=${srcdir} +host=${host} +target=${target} +with_multisubdir=${with_multisubdir} +ac_configure_args="${multilib_arg} ${ac_configure_args}" +CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} +glibcpp_basedir=${glibcpp_basedir} +CC="${CC}" +CXX="${CXX}" +) +dnl In autoconf 2.5x, AC_OUTPUT is replaced by three AC_ macros: +dnl AC_CONFIG_FILES(Makefile \ +dnl include/Makefile src/Makefile \ +dnl libmath/Makefile libio/Makefile libsupc++/Makefile \ +dnl po/Makefile testsuite/Makefile mkcheck testsuite_flags) +dnl AC_CONFIG_COMMANDS([default], +dnl [if test -n "$CONFIG_FILES"; then +dnl ac_file=Makefile . ${glibcpp_basedir}/../config-ml.in +dnl grep '^MULTISUBDIR =' Makefile >> src/Makefile +dnl grep '^MULTISUBDIR =' Makefile >> libsupc++/Makefile +dnl fi +dnl chmod +x mkcheck +dnl chmod +x testsuite_flags +dnl ], +dnl srcdir=${srcdir} +dnl host=${host} +dnl target=${target} +dnl with_multisubdir=${with_multisubdir} +dnl ac_configure_args="${multilib_arg} ${ac_configure_args}" +dnl CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} +dnl glibcpp_basedir=${glibcpp_basedir} +dnl CC="${CC}" +dnl CXX="${CXX}" +dnl ) +dnl AC_OUTPUT -rm -f Makefile.tem -sed -e "s%^gxx_include_dir[ ]*=.*$%gxx_include_dir=${gxx_include_dir}%" \ - Makefile >Makefile.tem -mv -f Makefile.tem Makefile + +# Sanity checking & User-visible messages. +# Checks down here, otherwise they get scrolled off before +# the user will notice. + +# Trying to get more people to read documentation. Possibly remove +# check and warn all the time. There is no "informational" AC_MSG_ +# macro, so these are going to be printed even when --quiet/--silent +# is given. +if test ! -f stamp-sanity-warned; then + touch stamp-sanity-warned + echo "" + echo "Please make certain that you read the installation information here:" + echo " faster => ${srcdir}/docs/install.html" + echo " slower => <URL:http://gcc.gnu.org/onlinedocs/libstdc++/install.html>" + echo "" + echo "and the configuration information here:" + echo " faster => ${srcdir}/docs/configopts.html" + echo " slower => <URL:http://gcc.gnu.org/onlinedocs/libstdc++/configopts.html>" + echo "" + echo "before proceeding with ${_cv_gnu_make_command}." + echo "" +fi |
