crosstool-ng: scripts/build/cc/gcc.sh@a8a65758664f

     1 # This file adds the function to build the gcc C compiler

     2 # Copyright 2007 Yann E. MORIN

     3 # Licensed under the GPL v2. See COPYING in the root of this package

     5 # Download gcc

     6 do_cc_get() {

     7     local linaro_version

     8     local linaro_series

     9     local linaro_base_url="http://launchpad.net/gcc-linaro"

    12     # Account for the Linaro versioning

    13     linaro_version="$( echo "${CT_CC_VERSION}"      \

    14                        |sed -r -e 's/^linaro-//;'   \

    15                      )"

    16     linaro_series="$( echo "${linaro_version}"      \

    17                       |sed -r -e 's/-.*//;'         \

    18                     )"

    20     # Ah! gcc folks are kind of 'different': they store the tarballs in

    21     # subdirectories of the same name! That's because gcc is such /crap/ that

    22     # it is such /big/ that it needs being splitted for distribution! Sad. :-(

    23     # Arrgghh! Some of those versions does not follow this convention:

    24     # gcc-3.3.3 lives in releases/gcc-3.3.3, while gcc-2.95.* isn't in a

    25     # subdirectory! You bastard!

    26     CT_GetFile "gcc-${CT_CC_VERSION}"                                                       \

    27                {ftp,http}://ftp.gnu.org/gnu/gcc{,{,/releases}/gcc-${CT_CC_VERSION}}         \

    28                ftp://ftp.irisa.fr/pub/mirrors/gcc.gnu.org/gcc/releases/gcc-${CT_CC_VERSION} \

    29                ftp://ftp.uvsq.fr/pub/gcc/snapshots/${CT_CC_VERSION}                         \

    30                "${linaro_base_url}/${linaro_series}/${linaro_version}/+download"

    32     # Starting with GCC 4.3, ecj is used for Java, and will only be

    33     # built if the configure script finds ecj.jar at the top of the

    34     # GCC source tree, which will not be there unless we get it and

    35     # put it there ourselves

    36     if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" ]; then

    37         CT_GetFile ecj-latest .jar ftp://gcc.gnu.org/pub/java   \

    38                                    ftp://sourceware.org/pub/java

    39     fi

    40 }

    42 # Extract gcc

    43 do_cc_extract() {

    44     CT_Extract "gcc-${CT_CC_VERSION}"

    45     CT_Patch "gcc" "${CT_CC_VERSION}"

    47     # Copy ecj-latest.jar to ecj.jar at the top of the GCC source tree

    48     if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y"                     \

    49          -a ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar"   \

    50        ]; then

    51         CT_DoExecLog ALL cp -v "${CT_TARBALLS_DIR}/ecj-latest.jar" "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar"

    52     fi

    53 }

    55 #------------------------------------------------------------------------------

    56 # Core gcc pass 1

    57 do_cc_core_pass_1() {

    58     local -a core_opts

    59     local do_core

    61     # If we're building for bare metal, build the static core gcc,

    62     # with libgcc.

    63     # In case we're not bare metal and building a canadian compiler, do nothing

    64     # In case we're not bare metal, and we're NPTL, build the static core gcc.

    65     # In any other case, do nothing.

    66     case "${CT_BARE_METAL},${CT_CANADIAN},${CT_THREADS}" in

    67         y,*,*)

    68             do_core=y

    69             core_opts+=( "mode=static" )

    70             core_opts+=( "host=${CT_HOST}" )

    71             core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )

    72             core_opts+=( "prefix=${CT_CC_CORE_STATIC_PREFIX_DIR}" )

    73             core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )

    74             ;;

    75         ,y,*)

    76             ;;

    77         ,,nptl)

    78             do_core=y

    79             core_opts+=( "mode=static" )

    80             core_opts+=( "host=${CT_HOST}" )

    81             core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )

    82             core_opts+=( "prefix=${CT_CC_CORE_STATIC_PREFIX_DIR}" )

    83             core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )

    84             ;;

    85         *)

    86             ;;

    87     esac

    89     if [ "${do_core}" = "y" ]; then

    90         do_cc_core_backend "${core_opts[@]}"

    91     fi

    92 }

    94 # Core gcc pass 2

    95 do_cc_core_pass_2() {

    96     local -a core_opts

    97     local do_core

    99     # In case we're building for bare metal, do nothing, we already have

   100     # our compiler.

   101     # In case we're not bare metal and building a canadian compiler, do nothing

   102     # In case we're NPTL, build the shared core gcc and the target libgcc.

   103     # In any other case, build the static core gcc and, if using gcc-4.3+,

   104     # also build the target libgcc.

   105     case "${CT_BARE_METAL},${CT_CANADIAN},${CT_THREADS}" in

   106         y,*,*)

   107             do_core=y

   108             core_opts+=( "host=${CT_HOST}" )

   109             core_opts+=( "mode=static" )

   110             core_opts+=( "prefix=${CT_CC_CORE_STATIC_PREFIX_DIR}" )

   111             core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )

   112             core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )

   113             ;;

   114         ,y,*)   ;;

   115         ,,nptl)

   116             do_core=y

   117             core_opts+=( "mode=shared" )

   118             core_opts+=( "host=${CT_HOST}" )

   119             core_opts+=( "build_libgcc=yes" )

   120             core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )

   121             core_opts+=( "prefix=${CT_CC_CORE_SHARED_PREFIX_DIR}" )

   122             core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )

   123             ;;

   124         ,,win32)

   125             do_core=y

   126             core_opts+=( "mode=static" )

   127             core_opts+=( "host=${CT_HOST}" )

   128             core_opts+=( "build_libgcc=yes" )

   129             core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )

   130             core_opts+=( "prefix=${CT_CC_CORE_STATIC_PREFIX_DIR}" )

   131             core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )

   132             ;;

   133         *)

   134             do_core=y

   135             core_opts+=( "mode=static" )

   136             core_opts+=( "host=${CT_HOST}" )

   137             core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )

   138             core_opts+=( "prefix=${CT_CC_CORE_STATIC_PREFIX_DIR}" )

   139             core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )

   140             if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then

   141                 core_opts+=( "build_libgcc=yes" )

   142             fi

   143             ;;

   144     esac

   146     if [ "${do_core}" = "y" ]; then

   147         do_cc_core_backend "${core_opts[@]}"

   148     fi

   149 }

   151 #------------------------------------------------------------------------------

   152 # Build core gcc

   153 # This function is used to build both the static and the shared core C compiler,

   154 # with or without the target libgcc. We need to know wether:

   155 #  - we're building static, shared or bare metal: mode=[static|shared|baremetal]

   156 #  - we need to build libgcc or not             : build_libgcc=[yes|no]       (default: no)

   157 #  - we need to build libstdc++ or not          : build_libstdcxx=[yes|no]    (default: no)

   158 #  - we need to build statically linked or not  : build_staticlinked=[yes|no] (default: no)

   159 #  - where to find the companion libs (prefix)  : complibs=<prefix_dir>       (no default value)

   160 #  - the prefix to install into (directory)     : prefix=<directory>          (no default value)

   161 #  - the machine we will run on (tuple)         : host=<tuple>                (no default tuple)

   162 #  - the CFLAGS to use                          : cflags=<CFLAGS>             (empty)

   163 # Usage: do_cc_core_backend mode=[static|shared|baremetal] build_libgcc=[yes|no] build_staticlinked=[yes|no]

   164 do_cc_core_backend() {

   165     local mode

   166     local build_libgcc=no

   167     local build_libstdcxx=no

   168     local build_staticlinked=no

   169     local build_manuals=no

   170     local host

   171     local prefix

   172     local complibs

   173     local lang_opt

   174     local cflags

   175     local tmp

   176     local -a host_libstdcxx_flags

   177     local -a extra_config

   178     local -a core_LDFLAGS

   179     local -a core_targets

   180     local arg

   182     for arg in "$@"; do

   183         eval "${arg// /\\ }"

   184     done

   186     lang_opt=c

   187     case "${mode}" in

   188         static)

   189             extra_config+=("--with-newlib")

   190             extra_config+=("--enable-threads=no")

   191             extra_config+=("--disable-shared")

   192             copy_headers=y  # For baremetal, as there's no headers to copy,

   193                             # we copy an empty directory. So, who cares?

   194             ;;

   195         shared)

   196             extra_config+=("--enable-shared")

   197             copy_headers=y

   198             ;;

   199         baremetal)

   200             extra_config+=("--with-newlib")

   201             extra_config+=("--enable-threads=no")

   202             extra_config+=("--disable-shared")

   203             [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"

   204             copy_headers=n

   205             ;;

   206         *)

   207             CT_Abort "Internal Error: 'mode' must be one of: 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'"

   208             ;;

   209     esac

   211     CT_DoStep INFO "Installing ${mode} core C compiler"

   212     mkdir -p "${CT_BUILD_DIR}/build-cc-core-${mode}"

   213     cd "${CT_BUILD_DIR}/build-cc-core-${mode}"

   215     if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then

   216         # Bare metal delivers the core compiler as final compiler, so add version info and bugurl

   217         extra_config+=("--with-pkgversion=${CT_PKGVERSION}")

   218         [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")

   219     fi

   221     if [ "${copy_headers}" = "y" ]; then

   222         CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2"

   223         CT_DoExecLog ALL cp -a "${CT_HEADERS_DIR}" "${prefix}/${CT_TARGET}/include"

   224     fi

   226     CT_DoLog EXTRA "Configuring ${mode} core C compiler"

   228     for tmp in ARCH ABI CPU TUNE FPU FLOAT; do

   229         eval tmp="\${CT_ARCH_WITH_${tmp}}"

   230         if [ -n "${tmp}" ]; then

   231             extra_config+=("${tmp}")

   232         fi

   233     done

   234     if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then

   235         extra_config+=("--enable-__cxa_atexit")

   236     else

   237         extra_config+=("--disable-__cxa_atexit")

   238     fi

   240     # *** WARNING ! ***

   241     # Keep this full if-else-if-elif-fi-fi block in sync

   242     # with the same block in do_cc, below.

   243     if [ "${build_staticlinked}" = "yes" ]; then

   244         core_LDFLAGS+=("-static")

   245         host_libstdcxx_flags+=("-static-libgcc")

   246         host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")

   247         host_libstdcxx_flags+=("-lm")

   248         # Companion libraries are build static (eg !shared), so

   249         # the libstdc++ is not pulled automatically, although it

   250         # is needed. Shoe-horn it in our LDFLAGS

   251         # Ditto libm on some Fedora boxen

   252         core_LDFLAGS+=("-lstdc++")

   253         core_LDFLAGS+=("-lm")

   254     else

   255         if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then

   256             # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2

   257             # build script

   258             # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,

   259             #       see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html

   260             host_libstdcxx_flags+=("-static-libgcc")

   261             host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")

   262             host_libstdcxx_flags+=("-lm")

   263         elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then

   264             # When companion libraries are build static (eg !shared),

   265             # the libstdc++ is not pulled automatically, although it

   266             # is needed. Shoe-horn it in our LDFLAGS

   267             # Ditto libm on some Fedora boxen

   268             core_LDFLAGS+=("-lstdc++")

   269             core_LDFLAGS+=("-lm")

   270         fi

   271     fi

   273     if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then

   274         extra_config+=("--with-gmp=${complibs}")

   275         extra_config+=("--with-mpfr=${complibs}")

   276     fi

   277     if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then

   278         extra_config+=("--with-mpc=${complibs}")

   279     fi

   280     if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then

   281         extra_config+=("--with-ppl=${complibs}")

   282         # With PPL 0.11+, also pull libpwl if needed

   283         if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then

   284             host_libstdcxx_flags+=("-L${complibs}/lib")

   285             host_libstdcxx_flags+=("-lpwl")

   286         fi

   287         extra_config+=("--with-cloog=${complibs}")

   288     elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then

   289         extra_config+=("--with-ppl=no")

   290         extra_config+=("--with-cloog=no")

   291     fi

   292     if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then

   293         extra_config+=("--with-libelf=${complibs}")

   294         extra_config+=("--enable-lto")

   295     elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then

   296         extra_config+=("--with-libelf=no")

   297         extra_config+=("--disable-lto")

   298     fi

   300     if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then

   301         extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")

   302     fi

   304     if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then

   305         extra_config+=("--enable-target-optspace")

   306     fi

   308     case "${CT_CC_GCC_LDBL_128}" in

   309         y)  extra_config+=("--with-long-double-128");;

   310         m)  ;;

   311         "") extra_config+=("--without-long-double-128");;

   312     esac

   314     if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then

   315         extra_config+=( --enable-linker-build-id )

   316     fi

   318     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   319         "") ;;

   320         *)  extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;

   321     esac

   323     case "${CT_ARCH}" in

   324         mips)

   325             case "${CT_CC_GCC_mips_llsc}" in

   326                 y)  extra_config+=( --with-llsc );;

   327                 m)  ;;

   328                 *)  extra_config+=( --without-llsc );;

   329             esac

   330             case "${CT_CC_GCC_mips_synci}" in

   331                 y)  extra_config+=( --with-synci );;

   332                 m)  ;;

   333                 *)  extra_config+=( --without-synci );;

   334             esac

   335             if [ "${CT_CC_GCC_mips_plt}" ]; then

   336                 extra_config+=( --with-mips-plt )

   337             fi

   338             ;; # ARCH is mips

   339     esac

   341     extra_config+=(--disable-libgomp)

   342     extra_config+=(--disable-libmudflap)

   344     [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")

   346     [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ] && extra_config+=("--disable-libstdcxx-pch")

   348     if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then

   349         extra_config+=("--with-system-zlib")

   350     fi

   352     if [ "${CT_MULTILIB}" = "y" ]; then

   353         extra_config+=("--enable-multilib")

   354     else

   355         extra_config+=("--disable-multilib")

   356     fi

   358     CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"

   360     # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)

   361     CT_DoExecLog CFG                                \

   362     CC_FOR_BUILD="${CT_BUILD}-gcc"                  \

   363     CFLAGS="${cflags}"                              \

   364     LDFLAGS="${core_LDFLAGS[*]}"                    \

   365     "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure"  \

   366         --build=${CT_BUILD}                         \

   367         --host=${host}                              \

   368         --target=${CT_TARGET}                       \

   369         --prefix="${prefix}"                        \

   370         --with-local-prefix="${CT_SYSROOT_DIR}"     \

   371         --disable-libmudflap                        \

   372         ${CC_CORE_SYSROOT_ARG}                      \

   373         "${extra_config[@]}"                        \

   374         --enable-languages="${lang_opt}"            \

   375         "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"

   377     if [ "${build_libgcc}" = "yes" ]; then

   378         # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or

   379         # gcc/config/t-libunwind so -lc is removed from the link for

   380         # libgcc_s.so, as we do not have a target -lc yet.

   381         # This is not as ugly as it appears to be ;-) All symbols get resolved

   382         # during the glibc build, and we provide a proper libgcc_s.so for the

   383         # cross toolchain during the final gcc build.

   384         #

   385         # As we cannot modify the source tree, nor override SHLIB_LC itself

   386         # during configure or make, we have to edit the resultant

   387         # gcc/libgcc.mk itself to remove -lc from the link.

   388         # This causes us to have to jump through some hoops...

   389         #

   390         # To produce libgcc.mk to edit we firstly require libiberty.a,

   391         # so we configure then build it.

   392         # Next we have to configure gcc, create libgcc.mk then edit it...

   393         # So much easier if we just edit the source tree, but hey...

   394         if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then

   395             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

   396             CT_DoExecLog ALL make ${JOBSFLAGS} -C libiberty libiberty.a

   397             CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp

   398             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   399         else

   400             CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp configure-build-libiberty

   401             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp all-build-libiberty

   402         fi

   403         # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.

   404         if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then

   405             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

   406             CT_DoExecLog ALL make ${JOBSFLAGS} -C libdecnumber libdecnumber.a

   407         fi

   409         # Starting with GCC 4.3, libgcc.mk is no longer built,

   410         # and libgcc.mvars is used instead.

   412         if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then

   413             libgcc_rule="libgcc.mvars"

   414             core_targets=( gcc target-libgcc )

   415         else

   416             libgcc_rule="libgcc.mk"

   417             core_targets=( gcc )

   418         fi

   420         # On bare metal and canadian build the host-compiler is used when

   421         # actually the build-system compiler is required. Choose the correct

   422         # compilers for canadian build and use the defaults on other

   423         # configurations.

   424         if [ "${CT_BARE_METAL},${CT_CANADIAN}" = "y,y" ]; then

   425             repair_cc="CC_FOR_BUILD=${CT_BUILD}-gcc \

   426                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   427         else

   428             repair_cc=""

   429         fi

   431         CT_DoExecLog ALL make ${JOBSFLAGS} -C gcc ${libgcc_rule} \

   432                               ${repair_cc}

   433         sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}

   434     else # build_libgcc

   435         core_targets=( gcc )

   436     fi   # ! build libgcc

   437     if [    "${build_libstdcxx}" = "yes"    \

   438          -a "${CT_CC_LANG_CXX}"  = "y"      \

   439        ]; then

   440         core_targets+=( target-libstdc++-v3 )

   441     fi

   443     CT_DoLog EXTRA "Building ${mode} core C compiler"

   444     CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/all-}"

   446     CT_DoLog EXTRA "Installing ${mode} core C compiler"

   447     CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/install-}"

   449     if [ "${CT_BUILD_MANUALS}" = "y" -a "${build_manuals}" = "yes" ]; then

   450         CT_DoLog EXTRA "Building the GCC manuals"

   451         CT_DoExecLog ALL make pdf html

   452         CT_DoLog EXTRA "Installing the GCC manuals"

   453         CT_DoExecLog ALL make install-{pdf,html}-gcc

   454     fi

   456     # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able

   457     # to call the C compiler with the same, somewhat canonical name.

   458     # check whether compiler has an extension

   459     file="$( ls -1 "${prefix}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"

   460     [ -z "${file}" ] || ext=".${file##*.}"

   461     CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${prefix}/bin/${CT_TARGET}-cc${ext}"

   463     if [ "${CT_MULTILIB}" = "y" ]; then

   464         multilibs=( $( "${core_prefix_dir}/bin/${CT_TARGET}-gcc" -print-multi-lib   \

   465                        |tail -n +2 ) )

   466         if [ ${#multilibs[@]} -ne 0 ]; then

   467             CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"

   468             for i in "${multilibs[@]}"; do

   469                 dir="${i%%;*}"

   470                 flags="${i#*;}"

   471                 CT_DoLog EXTRA "   ${flags//@/ -}  -->  ${dir}/"

   472             done

   473         else

   474             CT_DoLog WARN "gcc configured for multilib, but none available"

   475         fi

   476     fi

   478     CT_EndStep

   479 }

   481 #------------------------------------------------------------------------------

   482 # Build final gcc

   483 do_cc() {

   484     local -a final_opts

   485     local final_backend

   487     final_opts+=( "host=${CT_HOST}" )

   488     final_opts+=( "prefix=${CT_PREFIX_DIR}" )

   489     final_opts+=( "complibs=${CT_COMPLIBS_DIR}" )

   490     final_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )

   491     if [ "${CT_BARE_METAL}" = "y" ]; then

   492         final_opts+=( "mode=baremetal" )

   493         final_opts+=( "build_libgcc=yes" )

   494         final_opts+=( "build_libstdcxx=yes" )

   495         if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then

   496             final_opts+=( "build_staticlinked=yes" )

   497         fi

   498         final_opts+=( "build_manuals=yes" )

   499         final_backend=do_cc_core_backend

   500     else

   501         final_backend=do_cc_backend

   502     fi

   504     "${final_backend}" "${final_opts[@]}"

   505 }

   507 #------------------------------------------------------------------------------

   508 # Build final gcc

   509 # Usage: do_cc_backend param=value ...

   510 # and so on for other parameters:

   511 #   Parameter     : Definition                          : Type      : Default

   512 #   host          : the host we run onto                : tuple     : (none)

   513 #   prefix        : the runtime prefix                  : dir       : (none)

   514 #   complibs      : the companion libraries prefix      : dir       : (none)

   515 #   cflags        : the host CFLAGS                     : string    : (empty)

   516 do_cc_backend() {

   517     local host

   518     local prefix

   519     local complibs

   520     local cflags

   521     local -a host_libstdcxx_flags

   522     local -a extra_config

   523     local -a final_LDFLAGS

   524     local tmp

   525     local arg

   527     # If building for bare metal, nothing to be done here, the static core conpiler is enough!

   528     [ "${CT_BARE_METAL}" = "y" ] && return 0

   530     CT_DoStep INFO "Installing final compiler"

   532     for arg in "$@"; do

   533         eval "${arg// /\\ }"

   534     done

   536     mkdir -p "${CT_BUILD_DIR}/build-cc"

   537     cd "${CT_BUILD_DIR}/build-cc"

   539     CT_DoLog EXTRA "Configuring final compiler"

   541     # Enable selected languages

   542     lang_opt="c"

   543     [ "${CT_CC_LANG_CXX}" = "y"      ] && lang_opt="${lang_opt},c++"

   544     [ "${CT_CC_LANG_FORTRAN}" = "y"  ] && lang_opt="${lang_opt},fortran"

   545     [ "${CT_CC_LANG_ADA}" = "y"      ] && lang_opt="${lang_opt},ada"

   546     [ "${CT_CC_LANG_JAVA}" = "y"     ] && lang_opt="${lang_opt},java"

   547     [ "${CT_CC_LANG_OBJC}" = "y"     ] && lang_opt="${lang_opt},objc"

   548     [ "${CT_CC_LANG_OBJCXX}" = "y"   ] && lang_opt="${lang_opt},obj-c++"

   549     CT_Test "Building ADA language is not yet supported. Will try..." "${CT_CC_LANG_ADA}" = "y"

   550     CT_Test "Building Objective-C language is not yet supported. Will try..." "${CT_CC_LANG_OBJC}" = "y"

   551     CT_Test "Building Objective-C++ language is not yet supported. Will try..." "${CT_CC_LANG_OBJCXX}" = "y"

   552     CT_Test "Building ${CT_CC_LANG_OTHERS//,/ } language(s) is not yet supported. Will try..." -n "${CT_CC_LANG_OTHERS}"

   553     lang_opt=$(echo "${lang_opt},${CT_CC_LANG_OTHERS}" |sed -r -e 's/,+/,/g; s/,*$//;')

   555     extra_config+=("--enable-languages=${lang_opt}")

   556     for tmp in ARCH ABI CPU TUNE FPU FLOAT; do

   557         eval tmp="\${CT_ARCH_WITH_${tmp}}"

   558         if [ -n "${tmp}" ]; then

   559             extra_config+=("${tmp}")

   560         fi

   561     done

   563     [ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")

   564     if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then

   565         extra_config+=("--with-pkgversion=${CT_PKGVERSION}")

   566         [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")

   567     fi

   568     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

   569         y)  extra_config+=("--enable-sjlj-exceptions");;

   570         m)  ;;

   571         "") extra_config+=("--disable-sjlj-exceptions");;

   572     esac

   573     if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then

   574         extra_config+=("--enable-__cxa_atexit")

   575     else

   576         extra_config+=("--disable-__cxa_atexit")

   577     fi

   578     if [ -n "${CT_CC_ENABLE_CXX_FLAGS}" ]; then

   579         extra_config+=("--enable-cxx-flags=${CT_CC_ENABLE_CXX_FLAGS}")

   580     fi

   581     if [ "${CT_CC_GCC_LIBMUDFLAP}" = "y" ]; then

   582         extra_config+=(--enable-libmudflap)

   583     else

   584         extra_config+=(--disable-libmudflap)

   585     fi

   586     if [ "${CT_CC_GCC_LIBGOMP}" = "y" ]; then

   587         extra_config+=(--enable-libgomp)

   588     else

   589         extra_config+=(--disable-libgomp)

   590     fi

   591     if [ "${CT_CC_GCC_LIBSSP}" = "y" ]; then

   592         extra_config+=(--enable-libssp)

   593     else

   594         extra_config+=(--disable-libssp)

   595     fi

   597     # *** WARNING ! ***

   598     # Keep this full if-else-if-elif-fi-fi block in sync

   599     # with the same block in do_cc_core, above.

   600     if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then

   601         final_LDFLAGS+=("-static")

   602         host_libstdcxx_flags+=("-static-libgcc")

   603         host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")

   604         host_libstdcxx_flags+=("-lm")

   605         # Companion libraries are build static (eg !shared), so

   606         # the libstdc++ is not pulled automatically, although it

   607         # is needed. Shoe-horn it in our LDFLAGS

   608         # Ditto libm on some Fedora boxen

   609         final_LDFLAGS+=("-lstdc++")

   610         final_LDFLAGS+=("-lm")

   611     else

   612         if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then

   613             # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2

   614             # build script

   615             # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,

   616             #       see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html

   617             host_libstdcxx_flags+=("-static-libgcc")

   618             host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")

   619             host_libstdcxx_flags+=("-lm")

   620         elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then

   621             # When companion libraries are build static (eg !shared),

   622             # the libstdc++ is not pulled automatically, although it

   623             # is needed. Shoe-horn it in our LDFLAGS

   624             # Ditto libm on some Fedora boxen

   625             final_LDFLAGS+=("-lstdc++")

   626             final_LDFLAGS+=("-lm")

   627         fi

   628     fi

   630     if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then

   631         extra_config+=("--with-gmp=${complibs}")

   632         extra_config+=("--with-mpfr=${complibs}")

   633     fi

   634     if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then

   635         extra_config+=("--with-mpc=${complibs}")

   636     fi

   637     if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then

   638         extra_config+=("--with-ppl=${complibs}")

   639         # With PPL 0.11+, also pull libpwl if needed

   640         if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then

   641             host_libstdcxx_flags+=("-L${complibs}/lib")

   642             host_libstdcxx_flags+=("-lpwl")

   643         fi

   644         extra_config+=("--with-cloog=${complibs}")

   645     elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then

   646         extra_config+=("--with-ppl=no")

   647         extra_config+=("--with-cloog=no")

   648     fi

   649     if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then

   650         extra_config+=("--with-libelf=${complibs}")

   651     elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then

   652         extra_config+=("--with-libelf=no")

   653     fi

   655     if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then

   656         extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")

   657     fi

   659     if [ "${CT_THREADS}" = "none" ]; then

   660         extra_config+=("--disable-threads")

   661         if [ "${CT_CC_GCC_4_2_or_later}" = y ]; then

   662             CT_Test "Disabling libgomp for no-thread gcc>=4.2" "${CT_CC_GCC_LIBGOMP}" = "Y"

   663             extra_config+=("--disable-libgomp")

   664         fi

   665     else

   666         if [ "${CT_THREADS}" = "win32" ]; then

   667             extra_config+=("--enable-threads=win32")

   668             extra_config+=("--disable-win32-registry")

   669         else

   670             extra_config+=("--enable-threads=posix")

   671         fi

   672     fi

   674     if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then

   675         extra_config+=("--enable-target-optspace")

   676     fi

   677     if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then

   678         extra_config+=("--disable-libstdcxx-pch")

   679     fi

   681     case "${CT_CC_GCC_LDBL_128}" in

   682         y)  extra_config+=("--with-long-double-128");;

   683         m)  ;;

   684         "") extra_config+=("--without-long-double-128");;

   685     esac

   687     if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then

   688         extra_config+=( --enable-linker-build-id )

   689     fi

   691     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   692         "") ;;

   693         *)  extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;

   694     esac

   696     if [ "${CT_CC_GCC_ENABLE_PLUGINS}" = "y" ]; then

   697         extra_config+=( --enable-plugin )

   698     fi

   699     if [ "${CT_CC_GCC_GOLD}" = "y" ]; then

   700         extra_config+=( --enable-gold )

   701     fi

   703     case "${CT_ARCH}" in

   704         mips)

   705             case "${CT_CC_GCC_mips_llsc}" in

   706                 y)  extra_config+=( --with-llsc );;

   707                 m)  ;;

   708                 *)  extra_config+=( --without-llsc );;

   709             esac

   710             case "${CT_CC_GCC_mips_synci}" in

   711                 y)  extra_config+=( --with-synci );;

   712                 m)  ;;

   713                 *)  extra_config+=( --without-synci );;

   714             esac

   715             if [ "${CT_CC_GCC_mips_plt}" ]; then

   716                 extra_config+=( --with-mips-plt )

   717             fi

   718             ;; # ARCH is mips

   719     esac

   721     [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")

   723     if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then

   724         extra_config+=("--with-system-zlib")

   725     fi

   727     if [ "${CT_MULTILIB}" = "y" ]; then

   728         extra_config+=("--enable-multilib")

   729     else

   730         extra_config+=("--disable-multilib")

   731     fi

   733     CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"

   735     CT_DoExecLog CFG                                \

   736     CC_FOR_BUILD="${CT_BUILD}-gcc"                  \

   737     CFLAGS="${cflags}"                              \

   738     LDFLAGS="${final_LDFLAGS[*]}"                   \

   739     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   740     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   741     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

   742     "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure"  \

   743         --build=${CT_BUILD}                         \

   744         --host=${host}                              \

   745         --target=${CT_TARGET}                       \

   746         --prefix="${prefix}"                        \

   747         ${CC_SYSROOT_ARG}                           \

   748         "${extra_config[@]}"                        \

   749         --with-local-prefix="${CT_SYSROOT_DIR}"     \

   750         --enable-c99                                \

   751         --enable-long-long                          \

   752         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

   754     if [ "${CT_CANADIAN}" = "y" ]; then

   755         CT_DoLog EXTRA "Building libiberty"

   756         CT_DoExecLog ALL make ${JOBSFLAGS} all-build-libiberty

   757     fi

   759     CT_DoLog EXTRA "Building final compiler"

   760     CT_DoExecLog ALL make ${JOBSFLAGS} all

   762     CT_DoLog EXTRA "Installing final compiler"

   763     CT_DoExecLog ALL make ${JOBSFLAGS} install

   765     if [ "${CT_BUILD_MANUALS}" = "y" ]; then

   766         CT_DoLog EXTRA "Building the GCC manuals"

   767         CT_DoExecLog ALL make ${JOBSFLAGS} pdf html

   768         CT_DoLog EXTRA "Installing the GCC manuals"

   769         CT_DoExecLog ALL make install-{pdf,html}-gcc

   770     fi

   772     # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able

   773     # to call the C compiler with the same, somewhat canonical name.

   774     # check whether compiler has an extension

   775     file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"

   776     [ -z "${file}" ] || ext=".${file##*.}"

   777     CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${CT_PREFIX_DIR}/bin/${CT_TARGET}-cc${ext}"

   779     if [ "${CT_MULTILIB}" = "y" ]; then

   780         multilibs=( $( "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc" -print-multi-lib \

   781                        |tail -n +2 ) )

   782         if [ ${#multilibs[@]} -ne 0 ]; then

   783             CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"

   784             for i in "${multilibs[@]}"; do

   785                 dir="${i%%;*}"

   786                 flags="${i#*;}"

   787                 CT_DoLog EXTRA "   ${flags//@/ -}  -->  ${dir}/"

   788             done

   789         else

   790             CT_DoLog WARN "gcc configured for multilib, but none available"

   791         fi

   792     fi

   794     CT_EndStep

   795 }

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Sun Jul 17 22:43:07 2011 +0200 (2011-07-17)
changeset 2893	a8a65758664f
parent 2892	aa934ec4b4ee
child 2894	7c6f2d990384
permissions	-rw-r--r--