crosstool-ng: scripts/build/cc/gcc.sh@d325be92e763

     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 both the static and the shared core C compiler,

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

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

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

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

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

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

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

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

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

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

   156 do_cc_core_backend() {

   157     local mode

   158     local build_libgcc=no

   159     local build_libstdcxx=no

   160     local build_staticlinked=no

   161     local build_manuals=no

   162     local host

   163     local prefix

   164     local complibs

   165     local lang_opt

   166     local cflags

   167     local tmp

   168     local -a host_libstdcxx_flags

   169     local -a extra_config

   170     local -a core_LDFLAGS

   171     local -a core_targets

   172     local arg

   174     for arg in "$@"; do

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

   176     done

   178     lang_opt=c

   179     case "${mode}" in

   180         static)

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

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

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

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

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

   186             ;;

   187         shared)

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

   189             copy_headers=y

   190             ;;

   191         baremetal)

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

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

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

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

   196             copy_headers=n

   197             ;;

   198         *)

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

   200             ;;

   201     esac

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

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

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

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

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

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

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

   211     fi

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

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

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

   216     fi

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

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

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

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

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

   224         fi

   225     done

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

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

   228     else

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

   230     fi

   232     # *** WARNING ! ***

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

   234     # with the same block in do_cc, below.

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

   236         core_LDFLAGS+=("-static")

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

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

   239         host_libstdcxx_flags+=("-lm")

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

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

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

   243         # Ditto libm on some Fedora boxen

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

   245         core_LDFLAGS+=("-lm")

   246     else

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

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

   249             # build script

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

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

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

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

   254             host_libstdcxx_flags+=("-lm")

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

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

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

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

   259             # Ditto libm on some Fedora boxen

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

   261             core_LDFLAGS+=("-lm")

   262         fi

   263     fi

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

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

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

   268     fi

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

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

   271     fi

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

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

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

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

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

   277             host_libstdcxx_flags+=("-lpwl")

   278         fi

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

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

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

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

   283     fi

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

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

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

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

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

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

   290     fi

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

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

   294     fi

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

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

   298     fi

   300     case "${CT_CC_GCC_LDBL_128}" in

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

   302         m)  ;;

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

   304     esac

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

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

   308     fi

   310     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   311         "") ;;

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

   313     esac

   315     case "${CT_ARCH}" in

   316         mips)

   317             case "${CT_CC_GCC_mips_llsc}" in

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

   319                 m)  ;;

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

   321             esac

   322             case "${CT_CC_GCC_mips_synci}" in

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

   324                 m)  ;;

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

   326             esac

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

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

   329             fi

   330             ;; # ARCH is mips

   331     esac

   333     extra_config+=(--disable-libgomp)

   334     extra_config+=(--disable-libmudflap)

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

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

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

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

   342     fi

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

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

   346     else

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

   348     fi

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

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

   353     CT_DoExecLog CFG                                \

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

   355     CFLAGS="${cflags}"                              \

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

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

   358         --build=${CT_BUILD}                         \

   359         --host=${host}                              \

   360         --target=${CT_TARGET}                       \

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

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

   363         --disable-libmudflap                        \

   364         ${CC_CORE_SYSROOT_ARG}                      \

   365         "${extra_config[@]}"                        \

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

   367         "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"

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

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

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

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

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

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

   375         # cross toolchain during the final gcc build.

   376         #

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

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

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

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

   381         #

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

   383         # so we configure then build it.

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

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

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

   387             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

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

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

   390             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   391         else

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

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

   394         fi

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

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

   397             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

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

   399         fi

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

   402         # and libgcc.mvars is used instead.

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

   405             libgcc_rule="libgcc.mvars"

   406             core_targets=( gcc target-libgcc )

   407         else

   408             libgcc_rule="libgcc.mk"

   409             core_targets=( gcc )

   410         fi

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

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

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

   415         # configurations.

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

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

   418                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   419         else

   420             repair_cc=""

   421         fi

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

   424                               ${repair_cc}

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

   426     else # build_libgcc

   427         core_targets=( gcc )

   428     fi   # ! build libgcc

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

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

   431        ]; then

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

   433     fi

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

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

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

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

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

   442         CT_DoLog EXTRA "Building the GCC manuals"

   443         CT_DoExecLog ALL make pdf html

   444         CT_DoLog EXTRA "Installing the GCC manuals"

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

   446     fi

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

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

   450     # check whether compiler has an extension

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

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

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

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

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

   457                        |tail -n +2 ) )

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

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

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

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

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

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

   464             done

   465         else

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

   467         fi

   468     fi

   470     CT_EndStep

   471 }

   473 #------------------------------------------------------------------------------

   474 # Build final gcc

   475 do_cc() {

   476     local -a final_opts

   477     local final_backend

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

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

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

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

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

   484         final_opts+=( "build_manuals=yes" )

   485     fi

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

   487         final_opts+=( "mode=baremetal" )

   488         final_opts+=( "build_libgcc=yes" )

   489         final_opts+=( "build_libstdcxx=yes" )

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

   491             final_opts+=( "build_staticlinked=yes" )

   492         fi

   493         final_backend=do_cc_core_backend

   494     else

   495         final_backend=do_cc_backend

   496     fi

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

   499 }

   501 #------------------------------------------------------------------------------

   502 # Build final gcc

   503 # Usage: do_cc_backend param=value ...

   504 # and so on for other parameters:

   505 #   Parameter     : Definition                          : Type      : Default

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

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

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

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

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

   511 do_cc_backend() {

   512     local host

   513     local prefix

   514     local complibs

   515     local cflags

   516     local build_manuals

   517     local -a host_libstdcxx_flags

   518     local -a extra_config

   519     local -a final_LDFLAGS

   520     local tmp

   521     local arg

   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 [ "${build_manuals}" = "yes" ]; 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 24 19:33:04 2011 +0200 (2011-07-24)
changeset 2896	d325be92e763
parent 2894	7c6f2d990384
child 2897	8e793413baae
permissions	-rw-r--r--