diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 749 |
1 files changed, 347 insertions, 402 deletions
diff --git a/configure.in b/configure.in index da7c63f4f..ff71f04c4 100644 --- a/configure.in +++ b/configure.in @@ -1,5 +1,5 @@ -# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, -# 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, +# 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. # # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by @@ -13,12 +13,14 @@ # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ############################################################################## ### WARNING: this file contains embedded tabs. Do not run untabify on this file. sinclude(config/acx.m4) +sinclude(config/gcc-version.m4) +sinclude(config/gxx-include-dir.m4) AC_INIT(move-if-change) AC_PREREQ(2.13) @@ -99,6 +101,22 @@ topsrcdir=$srcpwd extra_host_args= +# Define the trigger file to make sure configure will re-run whenever +# the gcc version number changes. +TL_AC_GCC_VERSION([$topsrcdir]) +if test -f $gcc_version_trigger ; then + case "$ac_configure_args" in + *--with-gcc-version-trigger=$gcc_version_trigger* ) + ;; + * ) + # Add to all subconfigure arguments: build, host, and target. + ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger" + ;; + esac +else + gcc_version_trigger= +fi + ### To add a new directory to the tree, first choose whether it is a target ### or a host dependent tool. Then put it into the appropriate list ### (library or tools, host or target), doing a dependency sort. @@ -123,14 +141,14 @@ build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fix # these libraries are used by various programs built for the host environment # -host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber" +host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp" # these tools are built for the host environment # Note, the powerpc-eabi build depends on sim occurring before gdb in order to # know that we are building the simulator. # binutils, gas and ld appear in that order because it makes sense to run # "make check" in that particular order. -host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools" +host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar" # libgcj represents the runtime libraries only used by gcj. libgcj="target-libffi \ @@ -147,13 +165,10 @@ target_libraries="target-libiberty \ target-newlib \ target-libstdc++-v3 \ target-libmudflap \ - target-libssp \ - target-libgcc-math \ target-libgfortran \ ${libgcj} \ target-libobjc \ - target-libada \ - target-libgomp" + target-libada" # these tools are built using the target libraries, and are intended to # run only in the target environment @@ -260,10 +275,6 @@ case "${host}" in configdirs="$configdirs libtermcap" ;; esac -# A target can indicate whether a language isn't supported for some reason. -# Only spaces may be used in this macro; not newlines or tabs. -unsupported_languages= - # Remove more programs from consideration, based on the host or # target this usually means that a port of the program doesn't # exist yet. @@ -297,6 +308,9 @@ case "${host}" in powerpc-*-beos*) noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline" ;; + *-*-darwin*) + noconfigdirs="$noconfigdirs tk itcl libgui" + ;; esac @@ -305,26 +319,9 @@ AC_ARG_ENABLE(libada, ENABLE_LIBADA=$enableval, ENABLE_LIBADA=yes) if test "${ENABLE_LIBADA}" != "yes" ; then - noconfigdirs="$noconfigdirs gnattools" + noconfigdirs="$noconfigdirs target-libada" fi -AC_ARG_ENABLE(libssp, -[ --enable-libssp Builds libssp directory], -ENABLE_LIBSSP=$enableval, -ENABLE_LIBSSP=yes) - -# Set the default so we build libgcc-math for ix86 and x86_64 -AC_ARG_ENABLE(libgcc-math, -[ --enable-libgcc-math Builds libgcc-math directory],, -[ -case "${target}" in - i?86-* | x86_64-* ) - enable_libgcc_math=yes ;; - *) - enable_libgcc_math=no ;; -esac -]) - # Save it here so that, even in case of --enable-libgcj, if the Java # front-end isn't enabled, we still get libgcj disabled. libgcj_saved=$libgcj @@ -342,10 +339,16 @@ no) esac -# Disable libmudflap on some systems. -if test x$enable_libmudflap = x ; then +# Allow --disable-libmudflap to exclude target-libmudflap +case $enable_libmudflap in +yes) + ;; +no) + noconfigdirs="$noconfigdirs target-libmudflap" + ;; +"") case "${target}" in - *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu) + *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu) # Enable libmudflap by default in GNU and friends. ;; *-*-freebsd*) @@ -356,25 +359,7 @@ if test x$enable_libmudflap = x ; then noconfigdirs="$noconfigdirs target-libmudflap" ;; esac -fi - -# Disable libgomp on non POSIX hosted systems. -if test x$enable_libgomp = x ; then - # Enable libgomp by default on hosted POSIX systems. - case "${target}" in - *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu) - ;; - *-*-netbsd* | *-*-freebsd* | *-*-openbsd*) - ;; - *-*-solaris2* | *-*-sysv4* | *-*-irix* | *-*-osf* | *-*-hpux*) - ;; - *-*-darwin* | *-*-aix*) - ;; - *) - noconfigdirs="$noconfigdirs target-libgomp" - ;; - esac -fi +esac case "${target}" in @@ -383,11 +368,9 @@ case "${target}" in ;; powerpc-*-darwin*) noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof" - noconfigdirs="$noconfigdirs sim target-rda" ;; *-*-darwin*) - noconfigdirs="$noconfigdirs ld gas gdb gprof" - noconfigdirs="$noconfigdirs sim target-rda" + noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof" noconfigdirs="$noconfigdirs ${libgcj}" ;; *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*) @@ -435,18 +418,11 @@ case "${target}" in *-*-rtems*) noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;; - # The tpf target doesn't support gdb yet. - *-*-tpf*) - noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl" - ;; *-*-uclinux*) noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}" ;; *-*-vxworks*) - noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}" - ;; - m32c-*-*) - noconfigdirs="$noconfigdirs target-libstdc++-v3" + noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}" ;; alpha*-dec-osf*) # ld works, but does not support shared libraries. @@ -497,10 +473,6 @@ case "${target}" in arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* ) noconfigdirs="$noconfigdirs target-libffi target-qthreads" ;; - arm*-*-linux-gnueabi) - noconfigdirs="$noconfigdirs target-libffi target-qthreads" - noconfigdirs="$noconfigdirs target-libjava target-libobjc" - ;; arm*-*-symbianelf*) noconfigdirs="$noconfigdirs ${libgcj} target-libiberty" ;; @@ -522,33 +494,14 @@ case "${target}" in avr-*-*) noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}" ;; - bfin-*-*) - noconfigdirs="$noconfigdirs target-libgloss gdb" - if test x${is_cross_compiler} != xno ; then - target_configdirs="${target_configdirs} target-bsp target-cygmon" - fi - ;; c4x-*-* | tic4x-*-*) noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}" ;; c54x*-*-* | tic54x-*-*) noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib" ;; - cris-*-* | crisv32-*-*) - unsupported_languages="$unsupported_languages java" - case "${target}" in - *-*-aout) - unsupported_languages="$unsupported_languages fortran" - noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";; - *-*-elf) - unsupported_languages="$unsupported_languages fortran" - noconfigdirs="$noconfigdirs target-boehm-gc";; - *-*-linux*) - noconfigdirs="$noconfigdirs target-newlib target-libgloss";; - *) - unsupported_languages="$unsupported_languages fortran" - noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";; - esac + cris-*-*) + noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss" ;; crx-*-*) noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}" @@ -678,9 +631,6 @@ case "${target}" in i[[3456789]]86-*-beos*) noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}" ;; - i[[3456789]]86-*-rdos*) - noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" - ;; m32r-*-*) noconfigdirs="$noconfigdirs ${libgcj}" ;; @@ -699,8 +649,7 @@ case "${target}" in noconfigdirs="$noconfigdirs target-libstdc++-v3" ;; mmix-*-*) - noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss" - unsupported_languages="$unsupported_languages fortran java" + noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss target-libgfortran" ;; mn10200-*-*) noconfigdirs="$noconfigdirs ${libgcj}" @@ -708,12 +657,9 @@ case "${target}" in mn10300-*-*) noconfigdirs="$noconfigdirs ${libgcj}" ;; - mt-*-*) - noconfigdirs="$noconfigdirs sim" - ;; powerpc-*-aix*) # copied from rs6000-*-* entry - noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}" + noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}" ;; powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe) target_configdirs="$target_configdirs target-winsup" @@ -737,7 +683,7 @@ case "${target}" in noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}" ;; rs6000-*-aix*) - noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}" + noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}" ;; rs6000-*-*) noconfigdirs="$noconfigdirs gprof ${libgcj}" @@ -802,9 +748,6 @@ case "${target}" in use_gnu_ld=no fi ;; - sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*) - noconfigdirs="$noconfigdirs ${libgcj}" - ;; sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*) ;; v810-*-*) @@ -962,6 +905,7 @@ case "${host}" in host_makefile_frag="config/mh-cygwin" ;; *-mingw32*) + host_makefile_frag="config/mh-mingw32" ;; *-interix*) host_makefile_frag="config/mh-interix" @@ -992,12 +936,6 @@ case "${host}" in powerpc-*-darwin*) host_makefile_frag="config/mh-ppc-darwin" ;; - powerpc-*-aix*) - host_makefile_frag="config/mh-ppc-aix" - ;; - rs6000-*-aix*) - host_makefile_frag="config/mh-ppc-aix" - ;; *-*-lynxos*) # /bin/cc is less than useful for our purposes. Always use GCC tentative_cc="/bin/gcc" @@ -1041,6 +979,12 @@ if test "${build}" != "${host}" ; then CXX=${CXX-${host_alias}-c++} CXXFLAGS=${CXXFLAGS-"-g -O2"} CC_FOR_BUILD=${CC_FOR_BUILD-gcc} + CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc} + CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++} + GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj} + GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}} + BUILD_PREFIX=${build_alias}- + BUILD_PREFIX_1=${build_alias}- else # Set reasonable default values for some tools even if not Canadian. @@ -1052,6 +996,10 @@ else # This is all going to change when we autoconfiscate... CC_FOR_BUILD="\$(CC)" + GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)" + BUILD_PREFIX= + BUILD_PREFIX_1=loser- + AC_PROG_CC # We must set the default linker to the linker used by gcc for the correct @@ -1090,7 +1038,7 @@ have_gmp=yes AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library]) if test "x$with_mpfr_dir" != x; then - gmpinc="-I$with_mpfr_dir" + gmpinc="-I$with_mpfr_dir/mpfr" gmplibs="$with_mpfr_dir/libmpfr.a" else gmplibs="-lmpfr" @@ -1179,15 +1127,6 @@ if test -d ${srcdir}/gcc; then fi enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` - # 'f95' is the old name for the 'fortran' language. We issue a warning - # and make the substitution. - case ,${enable_languages}, in - *,f95,*) - echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 - enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` - ;; - esac - # First scan to see if an enabled language requires some other language. # We assume that a given config-lang.in will list all the language # front ends it requires, even if some are required indirectly. @@ -1276,14 +1215,7 @@ if test -d ${srcdir}/gcc; then add_this_lang=no ;; esac - - # Disable a language that is unsupported by the target. - case " $unsupported_languages " in - *" $language "*) - add_this_lang=no - ;; - esac - + case $add_this_lang in no) # Remove language-dependent dirs. @@ -1307,8 +1239,8 @@ if test -d ${srcdir}/gcc; then missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` if test "x$missing_languages" != x; then AC_MSG_ERROR([ -The following requested languages could not be built: ${missing_languages} -Recognised languages are: ${potential_languages}]) +The following requested languages were not found: ${missing_languages} +The available languages are: ${potential_languages}]) fi if test "x$new_enable_languages" != "x$enable_languages"; then @@ -1318,14 +1250,6 @@ Recognised languages are: ${potential_languages}]) ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ ` fi -# Handle --disable-<component> generically. -for dir in $configdirs $build_configdirs $target_configdirs ; do - dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` - if eval test x\${enable_${dirname}} "=" xno ; then - noconfigdirs="$noconfigdirs $dir" - fi -done - # Remove the entries in $skipdirs and $noconfigdirs from $configdirs, # $build_configdirs and $target_configdirs. # If we have the source for $noconfigdirs entries, add them to $notsupp. @@ -1453,15 +1377,6 @@ esac copy_dirs= -AC_ARG_WITH([build-sysroot], - [ --with-build-sysroot=sysroot - use sysroot as the system root during the build], - [if test x"$withval" != x ; then - SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" - fi], - [SYSROOT_CFLAGS_FOR_TARGET=]) -AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) - # Handle --with-headers=XXX. If the value is not "yes", the contents of # the named directory are copied to $(tooldir)/sys-include. if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then @@ -1499,39 +1414,6 @@ if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then fi fi -# Set with_gnu_as and with_gnu_ld as appropriate. -# -# This is done by determining whether or not the appropriate directory -# is available, and by checking whether or not specific configurations -# have requested that this magic not happen. -# -# The command line options always override the explicit settings in -# configure.in, and the settings in configure.in override this magic. -# -# If the default for a toolchain is to use GNU as and ld, and you don't -# want to do that, then you should use the --without-gnu-as and -# --without-gnu-ld options for the configure script. - -if test x${use_gnu_as} = x && - echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then - with_gnu_as=yes - extra_host_args="$extra_host_args --with-gnu-as" -fi - -if test x${use_gnu_ld} = x && - echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then - with_gnu_ld=yes - extra_host_args="$extra_host_args --with-gnu-ld" -fi - -# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure -# can detect this case. - -if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then - with_newlib=yes - extra_host_args="$extra_host_args --with-newlib" -fi - # Handle ${copy_dirs} set fnord ${copy_dirs} shift @@ -1563,55 +1445,6 @@ while test $# != 0 ; do shift; shift done -# Determine a target-dependent exec_prefix that the installed -# gcc will search in. Keep this list sorted by triplet, with -# the *-*-osname triplets last. -md_exec_prefix= -case "${target}" in - alpha*-*-*vms*) - md_exec_prefix=/gnu/lib/gcc-lib - ;; - i[34567]86-pc-msdosdjgpp*) - md_exec_prefix=/dev/env/DJDIR/bin - ;; - i[34567]86-*-sco3.2v5*) - if test $with_gnu_as = yes; then - md_exec_prefix=/usr/gnu/bin - else - md_exec_prefix=/usr/ccs/bin/elf - fi - ;; - - mn10300-*-* | \ - powerpc-*-chorusos* | \ - powerpc*-*-eabi* | \ - powerpc*-*-sysv* | \ - powerpc*-*-kaos* | \ - s390x-ibm-tpf*) - md_exec_prefix=/usr/ccs/bin - ;; - sparc64-*-elf*) - ;; - v850*-*-*) - md_exec_prefix=/usr/ccs/bin - ;; - xtensa-*-elf*) - ;; - - *-*-beos* | \ - *-*-elf* | \ - *-*-hpux* | \ - *-*-netware* | \ - *-*-nto-qnx* | \ - *-*-rtems* | \ - *-*-solaris2* | \ - *-*-sysv[45]* | \ - *-*-vxworks* | \ - *-wrs-windiss) - md_exec_prefix=/usr/ccs/bin - ;; -esac - extra_arflags_for_target= extra_nmflags_for_target= extra_ranlibflags_for_target= @@ -1669,6 +1502,39 @@ case "${enable_target_optspace}:${target}" in ;; esac +# Set with_gnu_as and with_gnu_ld as appropriate. +# +# This is done by determining whether or not the appropriate directory +# is available, and by checking whether or not specific configurations +# have requested that this magic not happen. +# +# The command line options always override the explicit settings in +# configure.in, and the settings in configure.in override this magic. +# +# If the default for a toolchain is to use GNU as and ld, and you don't +# want to do that, then you should use the --without-gnu-as and +# --without-gnu-ld options for the configure script. + +if test x${use_gnu_as} = x && + echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then + with_gnu_as=yes + extra_host_args="$extra_host_args --with-gnu-as" +fi + +if test x${use_gnu_ld} = x && + echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then + with_gnu_ld=yes + extra_host_args="$extra_host_args --with-gnu-ld" +fi + +# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure +# can detect this case. + +if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then + with_newlib=yes + extra_host_args="$extra_host_args --with-newlib" +fi + # Default to using --with-stabs for certain targets. if test x${with_stabs} = x ; then case "${target}" in @@ -1694,6 +1560,17 @@ esac tooldir='${exec_prefix}'/${target_alias} build_tooldir=${tooldir} +# Generate default definitions for YACC, M4, LEX and other programs that run +# on the build machine. These are used if the Makefile can't locate these +# programs in objdir. +MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing +AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison]) +AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) +AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4]) +AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex]) +AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex]) +AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo]) + # Create a .gdbinit file which runs the one in srcdir # and tells GDB to look there for source files. @@ -1760,9 +1637,30 @@ case "${host}" in ;; esac +# If no --enable-shared nor --disable-shared is specified, we set up +# LD_LIBRARY_PATH when we build for gcc. +case $enable_shared in +"") + if test -d ${srcdir}/gcc; then + set_lib_path=yes + else + set_lib_path=no + fi + ;; +*) + set_lib_path=$enable_shared + ;; +esac + +# If --enable-shared was set, we must set LD_LIBRARY_PATH so that the +# binutils tools will find libbfd.so. +case "${set_lib_path}" in + no) SET_LIB_PATH= ;; + *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;; +esac + case "${host}" in *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; - *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; esac @@ -1796,8 +1694,6 @@ case "$enable_gdbtk" in fi ;; esac -CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` -INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` # Strip out unwanted targets. @@ -1813,7 +1709,7 @@ INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` # not to nest @if/@endif pairs, because configure will not warn you at all. AC_ARG_ENABLE([bootstrap], -[ --enable-bootstrap Enable bootstrapping [yes if native build]],, +[ --enable-bootstrap[=lean] Enable bootstrapping [no]],, enable_bootstrap=default) # Issue errors and warnings for invalid/strange bootstrap combinations. @@ -1825,26 +1721,27 @@ esac case "$have_compiler:$host:$target:$enable_bootstrap" in *:*:*:no) ;; - # Default behavior. Enable bootstrap if we have a compiler + # Default behavior. (We'll) enable bootstrap if we have a compiler # and we are in a native configuration. yes:$build:$build:default) - enable_bootstrap=yes ;; + # This will become 'yes' + enable_bootstrap=no ;; *:*:*:default) enable_bootstrap=no ;; # We have a compiler and we are in a native configuration, bootstrap is ok - yes:$build:$build:yes) + yes:$build:$build:yes | yes:$build:$build:lean) ;; # Other configurations, but we have a compiler. Assume the user knows # what he's doing. - yes:*:*:yes) + yes:*:*:yes | yes:*:*:lean) AC_MSG_WARN([trying to bootstrap a cross compiler]) ;; # No compiler: if they passed --enable-bootstrap explicitly, fail - no:*:*:yes) + no:*:*:yes | no:*:*:lean) AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; # Fail if wrong command line @@ -1856,10 +1753,19 @@ esac # Adjust the toplevel makefile according to whether bootstrap was selected. case "$enable_bootstrap" in yes) + bootstrap_lean='#' + default_target=bootstrap + bootstrap_suffix=bootstrap ;; + lean) + bootstrap_lean='' + default_target=bootstrap bootstrap_suffix=bootstrap ;; no) + default_target=all bootstrap_suffix=no-bootstrap ;; esac +AC_SUBST(bootstrap_lean) +AC_SUBST(default_target) for module in ${build_configdirs} ; do if test -z "${no_recursion}" \ @@ -1874,13 +1780,10 @@ for module in ${build_configdirs} ; do /^@endif build-$module-$bootstrap_suffix\$/d" done for module in ${configdirs} ; do - if test -z "${no_recursion}"; then - for file in stage*-${module}/Makefile ${module}/Makefile; do - if test -f ${file}; then - echo 1>&2 "*** removing ${file} to force reconfigure" - rm -f ${file} - fi - done + if test -z "${no_recursion}" \ + && test -f ${module}/Makefile; then + echo 1>&2 "*** removing ${module}/Makefile to force reconfigure" + rm -f ${module}/Makefile fi extrasub="$extrasub /^@if $module\$/d @@ -2054,10 +1957,11 @@ fi # fixed in future. It's still worthwhile to use a cache file for each # directory. I think. -# Pass the appropriate --build, --host, --target and --cache-file arguments. -# We need to pass --target, as newer autoconf's requires consistency -# for target_alias and gcc doesn't manage it consistently. -target_configargs="--cache-file=./config.cache --build=${build_alias} --host=${target_alias} --target=${target_alias} ${target_configargs}" +# Pass the appropriate --host, --build, and --cache-file arguments. +target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}" + +# provide a proper gxx_include_dir. +TL_AC_GXX_INCLUDE_DIR FLAGS_FOR_TARGET= case " $target_configdirs " in @@ -2079,7 +1983,7 @@ case " $target_configdirs " in # to it. This is right: we don't want to search that directory # for binaries, but we want the header files in there, so add # them explicitly. - FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include' + FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include' # Someone might think of using the pre-installed headers on # Canadian crosses, in case the installed compiler is not fully @@ -2126,8 +2030,91 @@ fi if test "x${use_gnu_ld}" = x && echo " ${configdirs} " | grep " ld " > /dev/null ; then # Arrange for us to find uninstalled linker scripts. - FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' + FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld' +fi + +if test "x${CC_FOR_TARGET+set}" = xset; then + : +elif test -d ${srcdir}/gcc; then + CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/' +elif test "$host" = "$target"; then + CC_FOR_TARGET='$(CC)' +else + CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"` +fi +CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)' + +if test "x${GCJ_FOR_TARGET+set}" = xset; then + : +elif test -d ${srcdir}/gcc; then + GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/' +elif test "$host" = "$target"; then + GCJ_FOR_TARGET='gcj' +else + GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"` fi +GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)' + +if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then + : +elif test -d ${srcdir}/gcc; then + GFORTRAN_FOR_TARGET='$$r/gcc/gfortran -B$$r/gcc/' +elif test "$host" = "$target"; then + GFORTRAN_FOR_TARGET='gfortran' +else + GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"` +fi +case $GFORTRAN_FOR_TARGET in +*' $(FLAGS_FOR_TARGET)') ;; +*) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;; +esac + +# Don't use libstdc++-v3's flags to configure/build itself. +libstdcxx_flags='`test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs' +raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs' + +if test "x${CXX_FOR_TARGET+set}" = xset; then + if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then + RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET} + fi +elif test -d ${srcdir}/gcc; then + # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead + # of g++ for linking C++ or Java, because g++ has -shared-libgcc by + # default whereas gcc does not. + # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for + # all other cases. + CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags + RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags +elif test "$host" = "$target"; then + CXX_FOR_TARGET='$(CXX)' + RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET} +else + CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"` + RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET} +fi +CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)' +RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)' + +qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'` +qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'` + +# We want to defer the evaluation of `cmd`s and shell variables in +# CXX_FOR_TARGET when recursing in the top-level Makefile, such as for +# bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single +# quotes, but we still have to duplicate `$'s so that shell variables +# can be expanded by the nested make as shell variables, not as make +# macros. +qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'` +qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'` + +# Wrap CC_FOR_TARGET and friends, for certain types of builds. +CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}" +GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}" +GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}" +CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}" +RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}" +CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}" +RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}" # Makefile fragments. for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; @@ -2143,12 +2130,13 @@ AC_SUBST_FILE(alphaieee_frag) AC_SUBST_FILE(ospace_frag) # Miscellanea: directories, flags, etc. +AC_SUBST(SET_LIB_PATH) AC_SUBST(RPATH_ENVVAR) +AC_SUBST(BUILD_PREFIX) +AC_SUBST(BUILD_PREFIX_1) AC_SUBST(tooldir) AC_SUBST(build_tooldir) -AC_SUBST(CONFIGURE_GDB_TK) AC_SUBST(GDB_TK) -AC_SUBST(INSTALL_GDB_TK) # Build module lists & subconfigure args. AC_SUBST(build_configargs) @@ -2160,90 +2148,22 @@ AC_SUBST(configdirs) # Target module lists & subconfigure args. AC_SUBST(target_configargs) - +AC_SUBST(target_configdirs) # Build tools. AC_SUBST(CC_FOR_BUILD) AC_SUBST(config_shell) -# Generate default definitions for YACC, M4, LEX and other programs that run -# on the build machine. These are used if the Makefile can't locate these -# programs in objdir. -MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing - -AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) -case " $build_configdirs " in - *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; - *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;; -esac - -AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) -case " $build_configdirs " in - *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; -esac - -AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) -case " $build_configdirs " in - *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; -esac - -AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) -case " $build_configdirs " in - *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; - *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; -esac - -AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) -case " $build_configdirs " in - *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; -esac - -AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) -case " $build_configdirs " in - *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; - *) -changequote(,) - # For an installed makeinfo, we require it to be from texinfo 4.2 or - # higher, else we use the "missing" dummy. - if ${MAKEINFO} --version \ - | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[2-9]|[5-9])' >/dev/null 2>&1; then - : - else - MAKEINFO="$MISSING makeinfo" - fi - ;; -changequote([,]) -esac - -# FIXME: expect and dejagnu may become build tools? - -AC_CHECK_PROGS(EXPECT, expect, expect) -case " $configdirs " in - *" expect "*) - test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' - ;; -esac - -AC_CHECK_PROGS(RUNTEST, runtest, runtest) -case " $configdirs " in - *" dejagnu "*) - test $host = $build && RUNTEST='$$r/$(HOST_SUBDIR)/dejagnu/runtest' - ;; -esac - - # Host tools. -NCN_STRICT_CHECK_TOOLS(AR, ar) -NCN_STRICT_CHECK_TOOLS(AS, as) -NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) -NCN_STRICT_CHECK_TOOLS(LD, ld) -NCN_STRICT_CHECK_TOOLS(LIPO, lipo) -NCN_STRICT_CHECK_TOOLS(NM, nm) -NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :) -NCN_STRICT_CHECK_TOOLS(STRIP, strip, :) -NCN_STRICT_CHECK_TOOLS(WINDRES, windres) -NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) -NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) +NCN_STRICT_CHECK_TOOL(AR, ar) +NCN_STRICT_CHECK_TOOL(AS, as) +NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool) +NCN_STRICT_CHECK_TOOL(LD, ld) +NCN_STRICT_CHECK_TOOL(NM, nm) +NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :) +NCN_STRICT_CHECK_TOOL(WINDRES, windres) +NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy) +NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump) AC_SUBST(CC) AC_SUBST(CXX) AC_SUBST(CFLAGS) @@ -2251,87 +2171,62 @@ AC_SUBST(CFLAGS_FOR_BUILD) AC_SUBST(CXXFLAGS) # Target tools. -AC_ARG_WITH([build-time-tools], - [ --with-build-time-tools=path - use given path to find target tools during the build], - [case x"$withval" in - x/*) ;; - *) - with_build_time_tools= - AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) - ;; - esac], - [with_build_time_tools=]) - -NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) -NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) -NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) -NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj) -NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) - -ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) -ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) -ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) -ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) -ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) -ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) -ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) -ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :) -ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) -ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) - -RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" - -GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) -GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) -GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) -GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, - [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs], - c++) -GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, - [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs], - c++) -GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) -GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) -GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ, - [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java) -GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, - [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) -GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) -GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) -GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) -GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) -GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) -GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip]) -GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) - +NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar) +NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as) +NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool) +NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld) +NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm) +NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :) +NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres) + +AC_SUBST(GCC_FOR_TARGET) AC_SUBST(FLAGS_FOR_TARGET) +AC_SUBST(CC_FOR_TARGET) +AC_SUBST(GCJ_FOR_TARGET) +AC_SUBST(GFORTRAN_FOR_TARGET) +AC_SUBST(CXX_FOR_TARGET) AC_SUBST(RAW_CXX_FOR_TARGET) +AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE) +AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE) + +# Fix up target tools. +if test "x${build}" = "x${host}" ; then + # In this case, the newly built tools can and should be used, + # so we override the results of the autoconf tests. + # This should really only happen when the tools are actually being built, + # but that's a further refinement. The new build scheme, where + # tools are built into a structure paralleling where they're installed, + # should also eliminate all of this cleanly. + AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)" + AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)" + DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)" + LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)" + NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)" + RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)" + WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)" +else + # Just use the ones we found. + AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)" + AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)" + DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)" + LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)" + NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)" + RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)" + WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)" +fi +AC_SUBST(AR_FOR_TARGET) +AC_SUBST(AS_FOR_TARGET) +AC_SUBST(DLLTOOL_FOR_TARGET) +AC_SUBST(LD_FOR_TARGET) +AC_SUBST(NM_FOR_TARGET) +AC_SUBST(RANLIB_FOR_TARGET) +AC_SUBST(WINDRES_FOR_TARGET) # Certain tools may need extra flags. AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} -# When building target libraries, except in a Canadian cross, we use -# the same toolchain as the compiler we just built. -COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' -COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' -COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' -if test $host = $build; then - case " $configdirs " in - *" gcc "*) - COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' - COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' - COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} - ;; - esac -fi - -AC_SUBST(COMPILER_AS_FOR_TARGET) -AC_SUBST(COMPILER_LD_FOR_TARGET) -AC_SUBST(COMPILER_NM_FOR_TARGET) - AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) AC_ARG_ENABLE(maintainer-mode, [ --enable-maintainer-mode enable make rules and dependencies not useful @@ -2373,6 +2268,36 @@ case $build in esac AC_SUBST(stage1_cflags) +# It makes debugging easier if we create as symlinks the stage directories +# gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not +# possible, however, we can resort to mv. +AC_CACHE_CHECK([if symbolic links between directories work], +[gcc_cv_prog_ln_s_dir], +[if test "${LN_S}" = "ln -s" \ + && mkdir confdir.s1 \ + && ln -s confdir.s1 confdir.s2 \ + && echo timestamp1 > confdir.s1/conftest.1 \ + && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \ + && echo timestamp2 > confdir.s2/conftest.2 \ + && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \ + && rm -f confdir.s2; then + gcc_cv_prog_ln_s_dir=yes +else + gcc_cv_prog_ln_s_dir=yes +fi +rm -rf confdir.s1 confdir.s2]) + +case ${gcc_cv_prog_ln_s_dir} in + yes) + CREATE_LINK_TO_DIR='ln -s $$1 $$2' + UNDO_LINK_TO_DIR='rm -f $$1' ;; + *) + CREATE_LINK_TO_DIR='mv $$1 $$2' + UNDO_LINK_TO_DIR='mv $$1 $$2' ;; +esac +AC_SUBST(CREATE_LINK_TO_DIR) +AC_SUBST(UNDO_LINK_TO_DIR) + # Enable -Werror in bootstrap stage2 and later. # Change the default to "no" on release branches. AC_ARG_ENABLE(werror, @@ -2384,4 +2309,24 @@ case ${enable_werror} in esac AC_SUBST(stage2_werror_flag) +# If gcc is built natively with shared library enabled, set +# $RPATH_ENVVAR to make sure the newly built gcc shared librares are +# used. +SET_GCC_LIB_PATH= +if test -d ${srcdir}/gcc && test x${is_cross_compiler} = xno; then + case "${set_lib_path}" in + no) ;; + *) + eval "d=\$$RPATH_ENVVAR" + if test x"$d" != x; then + d="$pwd/gcc:$d" + else + d="$pwd/gcc" + fi + SET_GCC_LIB_PATH="\$(RPATH_ENVVAR)=$d; export \$(RPATH_ENVVAR);" + ;; + esac +fi +AC_SUBST(SET_GCC_LIB_PATH) + AC_OUTPUT(Makefile) |