crosstool-ng: scripts/build/cc/gcc.sh@aa934ec4b4ee

     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+=( "mode=baremetal" )

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

   110             core_opts+=( "build_libgcc=yes" )

   111             core_opts+=( "build_libstdcxx=yes" )

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

   113             core_opts+=( "prefix=${CT_PREFIX_DIR}" )

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

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

   116                 core_opts+=( "build_staticlinked=yes" )

   117             fi

   118             core_opts+=( "build_manuals=yes" )

   119             ;;

   120         ,y,*)   ;;

   121         ,,nptl)

   122             do_core=y

   123             core_opts+=( "mode=shared" )

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

   125             core_opts+=( "build_libgcc=yes" )

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

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

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

   129             ;;

   130         ,,win32)

   131             do_core=y

   132             core_opts+=( "mode=static" )

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

   134             core_opts+=( "build_libgcc=yes" )

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

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

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

   138             ;;

   139         *)

   140             do_core=y

   141             core_opts+=( "mode=static" )

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

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

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

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

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

   147                 core_opts+=( "build_libgcc=yes" )

   148             fi

   149             ;;

   150     esac

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

   153         do_cc_core_backend "${core_opts[@]}"

   154     fi

   155 }

   157 #------------------------------------------------------------------------------

   158 # Build core gcc

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

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

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

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

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

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

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

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

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

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

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

   170 do_cc_core_backend() {

   171     local mode

   172     local build_libgcc=no

   173     local build_libstdcxx=no

   174     local build_staticlinked=no

   175     local build_manuals=no

   176     local host

   177     local prefix

   178     local complibs

   179     local lang_opt

   180     local cflags

   181     local tmp

   182     local -a host_libstdcxx_flags

   183     local -a extra_config

   184     local -a core_LDFLAGS

   185     local -a core_targets

   186     local arg

   188     for arg in "$@"; do

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

   190     done

   192     lang_opt=c

   193     case "${mode}" in

   194         static)

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

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

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

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

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

   200             ;;

   201         shared)

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

   203             copy_headers=y

   204             ;;

   205         baremetal)

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

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

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

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

   210             copy_headers=n

   211             ;;

   212         *)

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

   214             ;;

   215     esac

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

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

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

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

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

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

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

   225     fi

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

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

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

   230     fi

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

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

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

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

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

   238         fi

   239     done

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

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

   242     else

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

   244     fi

   246     # *** WARNING ! ***

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

   248     # with the same block in do_cc, below.

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

   250         core_LDFLAGS+=("-static")

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

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

   253         host_libstdcxx_flags+=("-lm")

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

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

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

   257         # Ditto libm on some Fedora boxen

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

   259         core_LDFLAGS+=("-lm")

   260     else

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

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

   263             # build script

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

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

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

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

   268             host_libstdcxx_flags+=("-lm")

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

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

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

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

   273             # Ditto libm on some Fedora boxen

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

   275             core_LDFLAGS+=("-lm")

   276         fi

   277     fi

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

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

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

   282     fi

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

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

   285     fi

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

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

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

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

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

   291             host_libstdcxx_flags+=("-lpwl")

   292         fi

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

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

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

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

   297     fi

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

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

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

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

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

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

   304     fi

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

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

   308     fi

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

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

   312     fi

   314     case "${CT_CC_GCC_LDBL_128}" in

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

   316         m)  ;;

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

   318     esac

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

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

   322     fi

   324     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   325         "") ;;

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

   327     esac

   329     case "${CT_ARCH}" in

   330         mips)

   331             case "${CT_CC_GCC_mips_llsc}" in

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

   333                 m)  ;;

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

   335             esac

   336             case "${CT_CC_GCC_mips_synci}" in

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

   338                 m)  ;;

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

   340             esac

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

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

   343             fi

   344             ;; # ARCH is mips

   345     esac

   347     extra_config+=(--disable-libgomp)

   348     extra_config+=(--disable-libmudflap)

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

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

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

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

   356     fi

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

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

   360     else

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

   362     fi

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

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

   367     CT_DoExecLog CFG                                \

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

   369     CFLAGS="${cflags}"                              \

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

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

   372         --build=${CT_BUILD}                         \

   373         --host=${host}                              \

   374         --target=${CT_TARGET}                       \

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

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

   377         --disable-libmudflap                        \

   378         ${CC_CORE_SYSROOT_ARG}                      \

   379         "${extra_config[@]}"                        \

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

   381         "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"

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

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

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

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

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

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

   389         # cross toolchain during the final gcc build.

   390         #

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

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

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

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

   395         #

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

   397         # so we configure then build it.

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

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

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

   401             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

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

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

   404             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   405         else

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

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

   408         fi

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

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

   411             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

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

   413         fi

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

   416         # and libgcc.mvars is used instead.

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

   419             libgcc_rule="libgcc.mvars"

   420             core_targets=( gcc target-libgcc )

   421         else

   422             libgcc_rule="libgcc.mk"

   423             core_targets=( gcc )

   424         fi

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

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

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

   429         # configurations.

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

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

   432                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   433         else

   434             repair_cc=""

   435         fi

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

   438                               ${repair_cc}

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

   440     else # build_libgcc

   441         core_targets=( gcc )

   442     fi   # ! build libgcc

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

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

   445        ]; then

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

   447     fi

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

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

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

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

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

   456         CT_DoLog EXTRA "Building the GCC manuals"

   457         CT_DoExecLog ALL make pdf html

   458         CT_DoLog EXTRA "Installing the GCC manuals"

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

   460     fi

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

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

   464     # check whether compiler has an extension

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

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

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

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

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

   471                        |tail -n +2 ) )

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

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

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

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

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

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

   478             done

   479         else

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

   481         fi

   482     fi

   484     CT_EndStep

   485 }

   487 #------------------------------------------------------------------------------

   488 # Build final gcc

   489 do_cc() {

   490     local -a final_opts

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

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

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

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

   497     do_cc_backend "${final_opts[@]}"

   498 }

   500 #------------------------------------------------------------------------------

   501 # Build final gcc

   502 # Usage: do_cc_backend param=value ...

   503 # and so on for other parameters:

   504 #   Parameter     : Definition                          : Type      : Default

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

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

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

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

   509 do_cc_backend() {

   510     local host

   511     local prefix

   512     local complibs

   513     local cflags

   514     local -a host_libstdcxx_flags

   515     local -a extra_config

   516     local -a final_LDFLAGS

   517     local tmp

   518     local arg

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

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

   523     CT_DoStep INFO "Installing final compiler"

   525     for arg in "$@"; do

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

   527     done

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

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

   532     CT_DoLog EXTRA "Configuring final compiler"

   534     # Enable selected languages

   535     lang_opt="c"

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

   553         fi

   554     done

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

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

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

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

   560     fi

   561     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

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

   563         m)  ;;

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

   565     esac

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

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

   568     else

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

   570     fi

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

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

   573     fi

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

   575         extra_config+=(--enable-libmudflap)

   576     else

   577         extra_config+=(--disable-libmudflap)

   578     fi

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

   580         extra_config+=(--enable-libgomp)

   581     else

   582         extra_config+=(--disable-libgomp)

   583     fi

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

   585         extra_config+=(--enable-libssp)

   586     else

   587         extra_config+=(--disable-libssp)

   588     fi

   590     # *** WARNING ! ***

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

   592     # with the same block in do_cc_core, above.

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

   594         final_LDFLAGS+=("-static")

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

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

   597         host_libstdcxx_flags+=("-lm")

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

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

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

   601         # Ditto libm on some Fedora boxen

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

   603         final_LDFLAGS+=("-lm")

   604     else

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

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

   607             # build script

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

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

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

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

   612             host_libstdcxx_flags+=("-lm")

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

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

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

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

   617             # Ditto libm on some Fedora boxen

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

   619             final_LDFLAGS+=("-lm")

   620         fi

   621     fi

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

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

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

   626     fi

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

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

   629     fi

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

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

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

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

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

   635             host_libstdcxx_flags+=("-lpwl")

   636         fi

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

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

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

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

   641     fi

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

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

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

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

   646     fi

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

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

   650     fi

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

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

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

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

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

   657         fi

   658     else

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

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

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

   662         else

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

   664         fi

   665     fi

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

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

   669     fi

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

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

   672     fi

   674     case "${CT_CC_GCC_LDBL_128}" in

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

   676         m)  ;;

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

   678     esac

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

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

   682     fi

   684     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   685         "") ;;

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

   687     esac

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

   690         extra_config+=( --enable-plugin )

   691     fi

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

   693         extra_config+=( --enable-gold )

   694     fi

   696     case "${CT_ARCH}" in

   697         mips)

   698             case "${CT_CC_GCC_mips_llsc}" in

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

   700                 m)  ;;

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

   702             esac

   703             case "${CT_CC_GCC_mips_synci}" in

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

   705                 m)  ;;

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

   707             esac

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

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

   710             fi

   711             ;; # ARCH is mips

   712     esac

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

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

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

   718     fi

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

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

   722     else

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

   724     fi

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

   728     CT_DoExecLog CFG                                \

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

   730     CFLAGS="${cflags}"                              \

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

   732     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   733     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   734     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

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

   736         --build=${CT_BUILD}                         \

   737         --host=${host}                              \

   738         --target=${CT_TARGET}                       \

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

   740         ${CC_SYSROOT_ARG}                           \

   741         "${extra_config[@]}"                        \

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

   743         --enable-c99                                \

   744         --enable-long-long                          \

   745         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

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

   748         CT_DoLog EXTRA "Building libiberty"

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

   750     fi

   752     CT_DoLog EXTRA "Building final compiler"

   753     CT_DoExecLog ALL make ${JOBSFLAGS} all

   755     CT_DoLog EXTRA "Installing final compiler"

   756     CT_DoExecLog ALL make ${JOBSFLAGS} install

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

   759         CT_DoLog EXTRA "Building the GCC manuals"

   760         CT_DoExecLog ALL make ${JOBSFLAGS} pdf html

   761         CT_DoLog EXTRA "Installing the GCC manuals"

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

   763     fi

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

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

   767     # check whether compiler has an extension

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

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

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

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

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

   774                        |tail -n +2 ) )

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

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

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

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

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

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

   781             done

   782         else

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

   784         fi

   785     fi

   787     CT_EndStep

   788 }

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Sun Jul 17 22:46:47 2011 +0200 (2011-07-17)
changeset 2892	aa934ec4b4ee
parent 2891	f176fee535a0
child 2893	a8a65758664f
permissions	-rw-r--r--