crosstool-ng: scripts/build/cc/gcc.sh@d99b1adc4402

     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             ;;

    69         ,,nptl)

    70             do_core=y

    71             core_opts+=( "mode=static" )

    72             core_opts+=( "host=${CT_BUILD}" )

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

    74             core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )

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

    76             ;;

    77         *)

    78             ;;

    79     esac

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

    82         CT_DoStep INFO "Installing pass-1 core C compiler"

    83         CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-core-pass-1"

    85         do_cc_core_backend "${core_opts[@]}"

    87         CT_Popd

    88         CT_EndStep

    89     fi

    90 }

    92 # Core gcc pass 2

    93 do_cc_core_pass_2() {

    94     local -a core_opts

    95     local do_core

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

    98     # our compiler.

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

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

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

   102     # also build the target libgcc.

   103     core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )

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

   105         y,*,*)

   106             do_core=y

   107             core_opts+=( "host=${CT_BUILD}" )

   108             core_opts+=( "mode=static" )

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

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

   111             ;;

   112         ,y,*)   ;;

   113         ,,nptl)

   114             do_core=y

   115             core_opts+=( "mode=shared" )

   116             core_opts+=( "host=${CT_BUILD}" )

   117             core_opts+=( "build_libgcc=yes" )

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

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

   120             ;;

   121         ,,win32)

   122             do_core=y

   123             core_opts+=( "mode=static" )

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

   125             core_opts+=( "build_libgcc=yes" )

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

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

   128             ;;

   129         *)

   130             do_core=y

   131             core_opts+=( "mode=static" )

   132             core_opts+=( "host=${CT_BUILD}" )

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

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

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

   136                 core_opts+=( "build_libgcc=yes" )

   137             fi

   138             ;;

   139     esac

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

   142         CT_DoStep INFO "Installing pass-2 core C compiler"

   143         CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-core-pass-2"

   145         do_cc_core_backend "${core_opts[@]}"

   147         CT_Popd

   148         CT_EndStep

   149     fi

   150 }

   152 #------------------------------------------------------------------------------

   153 # Build core gcc

   154 # This function is used to build the core C compiler.

   155 # Usage: do_cc_core_backend param=value [...]

   156 #   Parameter           : Definition                                : Type      : Default

   157 #   mode                : build a 'static', 'shared' or 'baremetal' : string    : (none)

   158 #   host                : the machine the core will run on          : tuple     : (none)

   159 #   prefix              : dir prefix to install into                : dir       : (none)

   160 #   complibs            : dir where complibs are isntalled          : dir       : (none)

   161 #   build_libgcc        : build libgcc or not                       : bool      : no

   162 #   build_libstdcxx     : build libstdc++ or not                    : bool      : no

   163 #   build_staticlinked  : build statically linked or not            : bool      : no

   164 #   build_manuals       : whether to build manuals or not           : bool      : no

   165 #   cflags              : host CFLAGS to use                        : string    : (empty)

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

   167 do_cc_core_backend() {

   168     local mode

   169     local build_libgcc=no

   170     local build_libstdcxx=no

   171     local build_staticlinked=no

   172     local build_manuals=no

   173     local host

   174     local prefix

   175     local complibs

   176     local lang_opt

   177     local cflags

   178     local tmp

   179     local -a host_libstdcxx_flags

   180     local -a extra_config

   181     local -a core_LDFLAGS

   182     local -a core_targets

   183     local arg

   185     for arg in "$@"; do

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

   187     done

   189     CT_DoLog EXTRA "Configuring core C compiler"

   191     lang_opt=c

   192     case "${mode}" in

   193         static)

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

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

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

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

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

   199             ;;

   200         shared)

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

   202             copy_headers=y

   203             ;;

   204         baremetal)

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

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

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

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

   209             copy_headers=n

   210             ;;

   211         *)

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

   213             ;;

   214     esac

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

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

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

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

   220     fi

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

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

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

   225     fi

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

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

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

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

   231         fi

   232     done

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

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

   235     else

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

   237     fi

   239     # *** WARNING ! ***

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

   241     # with the same block in do_cc, below.

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

   243         core_LDFLAGS+=("-static")

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

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

   246         host_libstdcxx_flags+=("-lm")

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

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

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

   250         # Ditto libm on some Fedora boxen

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

   252         core_LDFLAGS+=("-lm")

   253     else

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

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

   256             # build script

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

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

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

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

   261             host_libstdcxx_flags+=("-lm")

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

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

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

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

   266             # Ditto libm on some Fedora boxen

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

   268             core_LDFLAGS+=("-lm")

   269         fi

   270     fi

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

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

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

   275     fi

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

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

   278     fi

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

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

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

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

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

   284             host_libstdcxx_flags+=("-lpwl")

   285         fi

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

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

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

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

   290     fi

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

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

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

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

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

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

   297     fi

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

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

   301     fi

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

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

   305     fi

   307     case "${CT_CC_GCC_LDBL_128}" in

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

   309         m)  ;;

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

   311     esac

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

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

   315     fi

   317     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   318         "") ;;

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

   320     esac

   322     case "${CT_ARCH}" in

   323         mips)

   324             case "${CT_CC_GCC_mips_llsc}" in

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

   326                 m)  ;;

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

   328             esac

   329             case "${CT_CC_GCC_mips_synci}" in

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

   331                 m)  ;;

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

   333             esac

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

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

   336             fi

   337             ;; # ARCH is mips

   338     esac

   340     extra_config+=(--disable-libgomp)

   341     extra_config+=(--disable-libmudflap)

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

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

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

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

   349     fi

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

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

   353     else

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

   355     fi

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

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

   360     CT_DoExecLog CFG                                \

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

   362     CFLAGS="${cflags}"                              \

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

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

   365         --build=${CT_BUILD}                         \

   366         --host=${host}                              \

   367         --target=${CT_TARGET}                       \

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

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

   370         --disable-libmudflap                        \

   371         ${CC_CORE_SYSROOT_ARG}                      \

   372         "${extra_config[@]}"                        \

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

   374         "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"

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

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

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

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

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

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

   382         # cross toolchain during the final gcc build.

   383         #

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

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

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

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

   388         #

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

   390         # so we configure then build it.

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

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

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

   394             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

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

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

   397             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   398         else

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

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

   401         fi

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

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

   404             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

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

   406         fi

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

   409         # and libgcc.mvars is used instead.

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

   412             libgcc_rule="libgcc.mvars"

   413             core_targets=( gcc target-libgcc )

   414         else

   415             libgcc_rule="libgcc.mk"

   416             core_targets=( gcc )

   417         fi

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

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

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

   422         # configurations.

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

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

   425                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   426         else

   427             repair_cc=""

   428         fi

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

   431                               ${repair_cc}

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

   433     else # build_libgcc

   434         core_targets=( gcc )

   435     fi   # ! build libgcc

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

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

   438        ]; then

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

   440     fi

   442     CT_DoLog EXTRA "Building core C compiler"

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

   445     CT_DoLog EXTRA "Installing core C compiler"

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

   448     if [ "${build_manuals}" = "yes" ]; then

   449         CT_DoLog EXTRA "Building the GCC manuals"

   450         CT_DoExecLog ALL make pdf html

   451         CT_DoLog EXTRA "Installing the GCC manuals"

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

   453     fi

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

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

   457     # check whether compiler has an extension

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

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

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

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

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

   464                        |tail -n +2 ) )

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

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

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

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

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

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

   471             done

   472         else

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

   474         fi

   475     fi

   476 }

   478 #------------------------------------------------------------------------------

   479 # Build final gcc

   480 do_cc() {

   481     local -a final_opts

   482     local final_backend

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

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

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

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

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

   489         final_opts+=( "build_manuals=yes" )

   490     fi

   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_backend=do_cc_core_backend

   499     else

   500         final_backend=do_cc_backend

   501     fi

   503     CT_DoStep INFO "Installing final compiler"

   504     CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final"

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

   508     CT_Popd

   509     CT_EndStep

   510 }

   512 #------------------------------------------------------------------------------

   513 # Build the final gcc

   514 # Usage: do_cc_backend param=value [...]

   515 #   Parameter     : Definition                          : Type      : Default

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

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

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

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

   520 #   build_manuals : whether to build manuals or not     : bool      : no

   521 do_cc_backend() {

   522     local host

   523     local prefix

   524     local complibs

   525     local cflags

   526     local build_manuals

   527     local -a host_libstdcxx_flags

   528     local -a extra_config

   529     local -a final_LDFLAGS

   530     local tmp

   531     local arg

   533     for arg in "$@"; do

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

   535     done

   537     CT_DoLog EXTRA "Configuring final compiler"

   539     # Enable selected languages

   540     lang_opt="c"

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

   558         fi

   559     done

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

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

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

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

   565     fi

   566     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

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

   568         m)  ;;

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

   570     esac

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

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

   573     else

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

   575     fi

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

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

   578     fi

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

   580         extra_config+=(--enable-libmudflap)

   581     else

   582         extra_config+=(--disable-libmudflap)

   583     fi

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

   585         extra_config+=(--enable-libgomp)

   586     else

   587         extra_config+=(--disable-libgomp)

   588     fi

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

   590         extra_config+=(--enable-libssp)

   591     else

   592         extra_config+=(--disable-libssp)

   593     fi

   595     # *** WARNING ! ***

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

   597     # with the same block in do_cc_core, above.

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

   599         final_LDFLAGS+=("-static")

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

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

   602         host_libstdcxx_flags+=("-lm")

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

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

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

   606         # Ditto libm on some Fedora boxen

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

   608         final_LDFLAGS+=("-lm")

   609     else

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

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

   612             # build script

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

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

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

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

   617             host_libstdcxx_flags+=("-lm")

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

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

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

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

   622             # Ditto libm on some Fedora boxen

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

   624             final_LDFLAGS+=("-lm")

   625         fi

   626     fi

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

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

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

   631     fi

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

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

   634     fi

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

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

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

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

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

   640             host_libstdcxx_flags+=("-lpwl")

   641         fi

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

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

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

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

   646     fi

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

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

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

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

   651     fi

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

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

   655     fi

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

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

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

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

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

   662         fi

   663     else

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

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

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

   667         else

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

   669         fi

   670     fi

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

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

   674     fi

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

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

   677     fi

   679     case "${CT_CC_GCC_LDBL_128}" in

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

   681         m)  ;;

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

   683     esac

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

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

   687     fi

   689     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   690         "") ;;

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

   692     esac

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

   695         extra_config+=( --enable-plugin )

   696     fi

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

   698         extra_config+=( --enable-gold )

   699     fi

   701     case "${CT_ARCH}" in

   702         mips)

   703             case "${CT_CC_GCC_mips_llsc}" in

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

   705                 m)  ;;

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

   707             esac

   708             case "${CT_CC_GCC_mips_synci}" in

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

   710                 m)  ;;

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

   712             esac

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

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

   715             fi

   716             ;; # ARCH is mips

   717     esac

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

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

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

   723     fi

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

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

   727     else

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

   729     fi

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

   733     CT_DoExecLog CFG                                \

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

   735     CFLAGS="${cflags}"                              \

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

   737     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   738     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   739     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

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

   741         --build=${CT_BUILD}                         \

   742         --host=${host}                              \

   743         --target=${CT_TARGET}                       \

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

   745         ${CC_SYSROOT_ARG}                           \

   746         "${extra_config[@]}"                        \

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

   748         --enable-c99                                \

   749         --enable-long-long                          \

   750         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

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

   753         CT_DoLog EXTRA "Building libiberty"

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

   755     fi

   757     CT_DoLog EXTRA "Building final compiler"

   758     CT_DoExecLog ALL make ${JOBSFLAGS} all

   760     CT_DoLog EXTRA "Installing final compiler"

   761     CT_DoExecLog ALL make ${JOBSFLAGS} install

   763     if [ "${build_manuals}" = "yes" ]; then

   764         CT_DoLog EXTRA "Building the GCC manuals"

   765         CT_DoExecLog ALL make ${JOBSFLAGS} pdf html

   766         CT_DoLog EXTRA "Installing the GCC manuals"

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

   768     fi

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

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

   772     # check whether compiler has an extension

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

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

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

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

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

   779                        |tail -n +2 ) )

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

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

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

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

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

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

   786             done

   787         else

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

   789         fi

   790     fi

   791 }

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Sun Jul 17 18:28:19 2011 +0200 (2011-07-17)
changeset 2925	d99b1adc4402
parent 2924	0eab838768b1
child 2930	79201a2826fd
permissions	-rw-r--r--