crosstool-ng: scripts/build/cc/gcc.sh@8e793413baae

     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_HOST}" )

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

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

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

    76             ;;

    77         *)

    78             ;;

    79     esac

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

    82         do_cc_core_backend "${core_opts[@]}"

    83     fi

    84 }

    86 # Core gcc pass 2

    87 do_cc_core_pass_2() {

    88     local -a core_opts

    89     local do_core

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

    92     # our compiler.

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

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

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

    96     # also build the target libgcc.

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

    98         y,*,*)

    99             do_core=y

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

   101             core_opts+=( "mode=static" )

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

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

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

   105             ;;

   106         ,y,*)   ;;

   107         ,,nptl)

   108             do_core=y

   109             core_opts+=( "mode=shared" )

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

   111             core_opts+=( "build_libgcc=yes" )

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

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

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

   115             ;;

   116         ,,win32)

   117             do_core=y

   118             core_opts+=( "mode=static" )

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

   120             core_opts+=( "build_libgcc=yes" )

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

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

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

   124             ;;

   125         *)

   126             do_core=y

   127             core_opts+=( "mode=static" )

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

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

   133                 core_opts+=( "build_libgcc=yes" )

   134             fi

   135             ;;

   136     esac

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

   139         do_cc_core_backend "${core_opts[@]}"

   140     fi

   141 }

   143 #------------------------------------------------------------------------------

   144 # Build core gcc

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

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

   147 #   Parameter           : Definition                                : Type      : Default

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

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

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

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

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

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

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

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

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

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

   158 do_cc_core_backend() {

   159     local mode

   160     local build_libgcc=no

   161     local build_libstdcxx=no

   162     local build_staticlinked=no

   163     local build_manuals=no

   164     local host

   165     local prefix

   166     local complibs

   167     local lang_opt

   168     local cflags

   169     local tmp

   170     local -a host_libstdcxx_flags

   171     local -a extra_config

   172     local -a core_LDFLAGS

   173     local -a core_targets

   174     local arg

   176     for arg in "$@"; do

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

   178     done

   180     lang_opt=c

   181     case "${mode}" in

   182         static)

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

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

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

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

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

   188             ;;

   189         shared)

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

   191             copy_headers=y

   192             ;;

   193         baremetal)

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

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

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

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

   198             copy_headers=n

   199             ;;

   200         *)

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

   202             ;;

   203     esac

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

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

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

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

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

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

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

   213     fi

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

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

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

   218     fi

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

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

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

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

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

   226         fi

   227     done

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

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

   230     else

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

   232     fi

   234     # *** WARNING ! ***

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

   236     # with the same block in do_cc, below.

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

   238         core_LDFLAGS+=("-static")

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

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

   241         host_libstdcxx_flags+=("-lm")

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

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

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

   245         # Ditto libm on some Fedora boxen

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

   247         core_LDFLAGS+=("-lm")

   248     else

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

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

   251             # build script

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

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

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

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

   256             host_libstdcxx_flags+=("-lm")

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

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

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

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

   261             # Ditto libm on some Fedora boxen

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

   263             core_LDFLAGS+=("-lm")

   264         fi

   265     fi

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

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

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

   270     fi

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

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

   273     fi

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

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

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

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

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

   279             host_libstdcxx_flags+=("-lpwl")

   280         fi

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

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

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

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

   285     fi

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

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

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

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

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

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

   292     fi

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

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

   296     fi

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

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

   300     fi

   302     case "${CT_CC_GCC_LDBL_128}" in

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

   304         m)  ;;

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

   306     esac

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

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

   310     fi

   312     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   313         "") ;;

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

   315     esac

   317     case "${CT_ARCH}" in

   318         mips)

   319             case "${CT_CC_GCC_mips_llsc}" in

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

   321                 m)  ;;

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

   323             esac

   324             case "${CT_CC_GCC_mips_synci}" in

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

   326                 m)  ;;

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

   328             esac

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

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

   331             fi

   332             ;; # ARCH is mips

   333     esac

   335     extra_config+=(--disable-libgomp)

   336     extra_config+=(--disable-libmudflap)

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

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

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

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

   344     fi

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

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

   348     else

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

   350     fi

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

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

   355     CT_DoExecLog CFG                                \

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

   357     CFLAGS="${cflags}"                              \

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

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

   360         --build=${CT_BUILD}                         \

   361         --host=${host}                              \

   362         --target=${CT_TARGET}                       \

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

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

   365         --disable-libmudflap                        \

   366         ${CC_CORE_SYSROOT_ARG}                      \

   367         "${extra_config[@]}"                        \

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

   369         "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"

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

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

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

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

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

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

   377         # cross toolchain during the final gcc build.

   378         #

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

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

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

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

   383         #

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

   385         # so we configure then build it.

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

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

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

   389             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

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

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

   392             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   393         else

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

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

   396         fi

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

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

   399             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

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

   401         fi

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

   404         # and libgcc.mvars is used instead.

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

   407             libgcc_rule="libgcc.mvars"

   408             core_targets=( gcc target-libgcc )

   409         else

   410             libgcc_rule="libgcc.mk"

   411             core_targets=( gcc )

   412         fi

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

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

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

   417         # configurations.

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

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

   420                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   421         else

   422             repair_cc=""

   423         fi

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

   426                               ${repair_cc}

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

   428     else # build_libgcc

   429         core_targets=( gcc )

   430     fi   # ! build libgcc

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

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

   433        ]; then

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

   435     fi

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

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

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

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

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

   444         CT_DoLog EXTRA "Building the GCC manuals"

   445         CT_DoExecLog ALL make pdf html

   446         CT_DoLog EXTRA "Installing the GCC manuals"

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

   448     fi

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

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

   452     # check whether compiler has an extension

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

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

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

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

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

   459                        |tail -n +2 ) )

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

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

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

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

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

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

   466             done

   467         else

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

   469         fi

   470     fi

   472     CT_EndStep

   473 }

   475 #------------------------------------------------------------------------------

   476 # Build final gcc

   477 do_cc() {

   478     local -a final_opts

   479     local final_backend

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

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

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

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

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

   486         final_opts+=( "build_manuals=yes" )

   487     fi

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

   489         final_opts+=( "mode=baremetal" )

   490         final_opts+=( "build_libgcc=yes" )

   491         final_opts+=( "build_libstdcxx=yes" )

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

   493             final_opts+=( "build_staticlinked=yes" )

   494         fi

   495         final_backend=do_cc_core_backend

   496     else

   497         final_backend=do_cc_backend

   498     fi

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

   501 }

   503 #------------------------------------------------------------------------------

   504 # Build the final gcc

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

   506 #   Parameter     : Definition                          : Type      : Default

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

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

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

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

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

   512 do_cc_backend() {

   513     local host

   514     local prefix

   515     local complibs

   516     local cflags

   517     local build_manuals

   518     local -a host_libstdcxx_flags

   519     local -a extra_config

   520     local -a final_LDFLAGS

   521     local tmp

   522     local arg

   524     CT_DoStep INFO "Installing final compiler"

   526     for arg in "$@"; do

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

   528     done

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

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

   533     CT_DoLog EXTRA "Configuring final compiler"

   535     # Enable selected languages

   536     lang_opt="c"

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

   554         fi

   555     done

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

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

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

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

   561     fi

   562     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

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

   564         m)  ;;

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

   566     esac

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

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

   569     else

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

   571     fi

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

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

   574     fi

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

   576         extra_config+=(--enable-libmudflap)

   577     else

   578         extra_config+=(--disable-libmudflap)

   579     fi

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

   581         extra_config+=(--enable-libgomp)

   582     else

   583         extra_config+=(--disable-libgomp)

   584     fi

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

   586         extra_config+=(--enable-libssp)

   587     else

   588         extra_config+=(--disable-libssp)

   589     fi

   591     # *** WARNING ! ***

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

   593     # with the same block in do_cc_core, above.

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

   595         final_LDFLAGS+=("-static")

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

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

   598         host_libstdcxx_flags+=("-lm")

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

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

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

   602         # Ditto libm on some Fedora boxen

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

   604         final_LDFLAGS+=("-lm")

   605     else

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

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

   608             # build script

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

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

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

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

   613             host_libstdcxx_flags+=("-lm")

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

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

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

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

   618             # Ditto libm on some Fedora boxen

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

   620             final_LDFLAGS+=("-lm")

   621         fi

   622     fi

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

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

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

   627     fi

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

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

   630     fi

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

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

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

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

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

   636             host_libstdcxx_flags+=("-lpwl")

   637         fi

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

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

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

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

   642     fi

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

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

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

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

   647     fi

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

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

   651     fi

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

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

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

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

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

   658         fi

   659     else

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

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

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

   663         else

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

   665         fi

   666     fi

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

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

   670     fi

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

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

   673     fi

   675     case "${CT_CC_GCC_LDBL_128}" in

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

   677         m)  ;;

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

   679     esac

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

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

   683     fi

   685     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   686         "") ;;

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

   688     esac

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

   691         extra_config+=( --enable-plugin )

   692     fi

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

   694         extra_config+=( --enable-gold )

   695     fi

   697     case "${CT_ARCH}" in

   698         mips)

   699             case "${CT_CC_GCC_mips_llsc}" in

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

   701                 m)  ;;

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

   703             esac

   704             case "${CT_CC_GCC_mips_synci}" in

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

   706                 m)  ;;

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

   708             esac

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

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

   711             fi

   712             ;; # ARCH is mips

   713     esac

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

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

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

   719     fi

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

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

   723     else

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

   725     fi

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

   729     CT_DoExecLog CFG                                \

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

   731     CFLAGS="${cflags}"                              \

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

   733     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   734     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   735     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

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

   737         --build=${CT_BUILD}                         \

   738         --host=${host}                              \

   739         --target=${CT_TARGET}                       \

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

   741         ${CC_SYSROOT_ARG}                           \

   742         "${extra_config[@]}"                        \

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

   744         --enable-c99                                \

   745         --enable-long-long                          \

   746         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

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

   749         CT_DoLog EXTRA "Building libiberty"

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

   751     fi

   753     CT_DoLog EXTRA "Building final compiler"

   754     CT_DoExecLog ALL make ${JOBSFLAGS} all

   756     CT_DoLog EXTRA "Installing final compiler"

   757     CT_DoExecLog ALL make ${JOBSFLAGS} install

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

   760         CT_DoLog EXTRA "Building the GCC manuals"

   761         CT_DoExecLog ALL make ${JOBSFLAGS} pdf html

   762         CT_DoLog EXTRA "Installing the GCC manuals"

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

   764     fi

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

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

   768     # check whether compiler has an extension

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

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

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

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

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

   775                        |tail -n +2 ) )

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

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

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

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

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

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

   782             done

   783         else

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

   785         fi

   786     fi

   788     CT_EndStep

   789 }

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Sun Jul 24 19:24:02 2011 +0200 (2011-07-24)
changeset 2897	8e793413baae
parent 2896	d325be92e763
child 2900	369e2fbe9010
permissions	-rw-r--r--