crosstool-ng: scripts/build/cc/gcc.sh@2dfea349d307

     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 # This function builds up the set of languages to enable

    57 # No argument expected, returns the comma-separated language list on stdout

    58 cc_gcc_lang_list() {

    59     local lang_list

    61     lang_list="c"

    62     [ "${CT_CC_LANG_CXX}" = "y"      ] && lang_list+=",c++"

    63     [ "${CT_CC_LANG_FORTRAN}" = "y"  ] && lang_list+=",fortran"

    64     [ "${CT_CC_LANG_ADA}" = "y"      ] && lang_list+=",ada"

    65     [ "${CT_CC_LANG_JAVA}" = "y"     ] && lang_list+=",java"

    66     [ "${CT_CC_LANG_OBJC}" = "y"     ] && lang_list+=",objc"

    67     [ "${CT_CC_LANG_OBJCXX}" = "y"   ] && lang_list+=",obj-c++"

    68     lang_list+="${CT_CC_LANG_OTHERS:+,${CT_CC_LANG_OTHERS}}"

    70     printf "%s" "${lang_list}"

    71 }

    73 #------------------------------------------------------------------------------

    74 # Core gcc pass 1

    75 do_cc_core_pass_1() {

    76     local -a core_opts

    77     local do_core

    79     # We only need a pass-1 core gcc if the threading model is NPTL.

    80     # For all other cases, it is not used.

    81     case "${CT_THREADS}" in

    82         nptl)

    83             do_core=y

    84             core_opts+=( "mode=static" )

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

    86             core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )

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

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

    89             core_opts+=( "lang_list=c" )

    90             ;;

    91     esac

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

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

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

    97         do_cc_core_backend "${core_opts[@]}"

    99         CT_Popd

   100         CT_EndStep

   101     fi

   102 }

   104 # Core gcc pass 2

   105 do_cc_core_pass_2() {

   106     local -a core_opts

   107     local do_core

   109     # Common options:

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

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

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

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

   114     core_opts+=( "lang_list=c" )

   116     # Different conditions are at stake here:

   117     #   - In case the threading model is NPTL, we need a shared-capable core

   118     #     gcc; in all other cases, we need a static-only core gcc.

   119     #   - In case the threading model is NPTL or win32, or gcc is 4.3 or

   120     #     later, we need to build libgcc

   121     case "${CT_THREADS}" in

   122         nptl)

   123             do_core=y

   124             core_opts+=( "mode=shared" )

   125             core_opts+=( "build_libgcc=yes" )

   126             ;;

   127         win32)

   128             do_core=y

   129             core_opts+=( "mode=static" )

   130             core_opts+=( "build_libgcc=yes" )

   131             ;;

   132         *)

   133             do_core=y

   134             core_opts+=( "mode=static" )

   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 #   lang_list           : the list of languages to build            : string    : (empty)

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

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

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

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

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

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

   168 do_cc_core_backend() {

   169     local mode

   170     local build_libgcc=no

   171     local build_libstdcxx=no

   172     local build_staticlinked=no

   173     local build_manuals=no

   174     local host

   175     local prefix

   176     local complibs

   177     local lang_list

   178     local cflags

   179     local tmp

   180     local -a host_libstdcxx_flags

   181     local -a extra_config

   182     local -a core_LDFLAGS

   183     local -a core_targets

   184     local arg

   186     for arg in "$@"; do

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

   188     done

   190     CT_DoLog EXTRA "Configuring core C compiler"

   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             copy_headers=n

   209             ;;

   210         *)

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

   212             ;;

   213     esac

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

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

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

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

   219     fi

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

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

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

   224     fi

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

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

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

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

   230         fi

   231     done

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

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

   234     else

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

   236     fi

   238     # *** WARNING ! ***

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

   240     # with the same block in do_cc, below.

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

   242         core_LDFLAGS+=("-static")

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

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

   245         host_libstdcxx_flags+=("-lm")

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

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

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

   249         # Ditto libm on some Fedora boxen

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

   251         core_LDFLAGS+=("-lm")

   252     else

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

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

   255             # build script

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

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

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

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

   260             host_libstdcxx_flags+=("-lm")

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

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

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

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

   265             # Ditto libm on some Fedora boxen

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

   267             core_LDFLAGS+=("-lm")

   268         fi

   269     fi

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

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

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

   274     fi

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

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

   277     fi

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

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

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

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

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

   283             host_libstdcxx_flags+=("-lpwl")

   284         fi

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

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

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

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

   289     fi

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

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

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

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

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

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

   296     fi

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

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

   300     fi

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

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

   304     fi

   306     case "${CT_CC_GCC_LDBL_128}" in

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

   308         m)  ;;

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

   310     esac

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

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

   314     fi

   316     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   317         "") ;;

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

   319     esac

   321     case "${CT_ARCH}" in

   322         mips)

   323             case "${CT_CC_GCC_mips_llsc}" in

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

   325                 m)  ;;

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

   327             esac

   328             case "${CT_CC_GCC_mips_synci}" in

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

   330                 m)  ;;

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

   332             esac

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

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

   335             fi

   336             ;; # ARCH is mips

   337     esac

   339     extra_config+=(--disable-libgomp)

   340     extra_config+=(--disable-libmudflap)

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

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

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

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

   348     fi

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

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

   352     else

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

   354     fi

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

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

   359     CT_DoExecLog CFG                                \

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

   361     CFLAGS="${cflags}"                              \

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

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

   364         --build=${CT_BUILD}                         \

   365         --host=${host}                              \

   366         --target=${CT_TARGET}                       \

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

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

   369         --disable-libmudflap                        \

   370         ${CC_CORE_SYSROOT_ARG}                      \

   371         "${extra_config[@]}"                        \

   372         --enable-languages="${lang_list}"           \

   373         "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"

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

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

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

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

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

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

   381         # cross toolchain during the final gcc build.

   382         #

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

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

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

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

   387         #

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

   389         # so we configure then build it.

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

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

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

   393             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

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

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

   396             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   397         else

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

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

   400         fi

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

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

   403             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

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

   405         fi

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

   408         # and libgcc.mvars is used instead.

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

   411             libgcc_rule="libgcc.mvars"

   412             core_targets=( gcc target-libgcc )

   413         else

   414             libgcc_rule="libgcc.mk"

   415             core_targets=( gcc )

   416         fi

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

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

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

   421         # configurations.

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

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

   424                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   425         else

   426             repair_cc=""

   427         fi

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

   430                               ${repair_cc}

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

   432     else # build_libgcc

   433         core_targets=( gcc )

   434     fi   # ! build libgcc

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

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

   437        ]; then

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

   439     fi

   441     CT_DoLog EXTRA "Building core C compiler"

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

   444     CT_DoLog EXTRA "Installing core C compiler"

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

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

   448         CT_DoLog EXTRA "Building the GCC manuals"

   449         CT_DoExecLog ALL make pdf html

   450         CT_DoLog EXTRA "Installing the GCC manuals"

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

   452     fi

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

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

   456     # check whether compiler has an extension

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

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

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

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

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

   463                        |tail -n +2 ) )

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

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

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

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

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

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

   470             done

   471         else

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

   473         fi

   474     fi

   475 }

   477 #------------------------------------------------------------------------------

   478 # Build complete gcc to run on build

   479 do_cc_for_build() {

   480     local -a build_final_opts

   481     local build_final_backend

   483     # In case we're canadian or cross-native, it seems that a

   484     # real, complete compiler is needed?!? WTF? Sigh...

   485     # Otherwise, there is nothing to do.

   486     case "${CT_TOOLCHAIN_TYPE}" in

   487         native|cross)   return 0;;

   488     esac

   490     build_final_opts+=( "host=${CT_BUILD}" )

   491     build_final_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )

   492     build_final_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )

   493     build_final_opts+=( "lang_list=$( cc_gcc_lang_list )" )

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

   495         # In the tests I've done, bare-metal was not impacted by the

   496         # lack of such a compiler, but better safe than sorry...

   497         build_final_opts+=( "mode=baremetal" )

   498         build_final_opts+=( "build_libgcc=yes" )

   499         build_final_opts+=( "build_libstdcxx=yes" )

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

   501             build_final_opts+=( "build_staticlinked=yes" )

   502         fi

   503         build_final_backend=do_cc_core_backend

   504     else

   505         build_final_backend=do_cc_backend

   506     fi

   508     CT_DoStep INFO "Installing final compiler for build"

   509     CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final-build-${CT_BUILD}"

   511     "${build_final_backend}" "${build_final_opts[@]}"

   513     CT_Popd

   514     CT_EndStep

   515 }

   517 #------------------------------------------------------------------------------

   518 # Build final gcc to run on host

   519 do_cc_for_host() {

   520     local -a final_opts

   521     local final_backend

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

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

   525     final_opts+=( "complibs=${CT_HOST_COMPLIBS_DIR}" )

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

   527     final_opts+=( "lang_list=$( cc_gcc_lang_list )" )

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

   529         final_opts+=( "build_manuals=yes" )

   530     fi

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

   532         final_opts+=( "mode=baremetal" )

   533         final_opts+=( "build_libgcc=yes" )

   534         final_opts+=( "build_libstdcxx=yes" )

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

   536             final_opts+=( "build_staticlinked=yes" )

   537         fi

   538         final_backend=do_cc_core_backend

   539     else

   540         final_backend=do_cc_backend

   541     fi

   543     CT_DoStep INFO "Installing final compiler"

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

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

   548     CT_Popd

   549     CT_EndStep

   550 }

   552 #------------------------------------------------------------------------------

   553 # Build the final gcc

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

   555 #   Parameter     : Definition                          : Type      : Default

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

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

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

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

   560 #   lang_list     : the list of languages to build      : string    : (empty)

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

   562 do_cc_backend() {

   563     local host

   564     local prefix

   565     local complibs

   566     local cflags

   567     local lang_list

   568     local build_manuals

   569     local -a host_libstdcxx_flags

   570     local -a extra_config

   571     local -a final_LDFLAGS

   572     local tmp

   573     local arg

   575     for arg in "$@"; do

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

   577     done

   579     CT_DoLog EXTRA "Configuring final compiler"

   581     # Enable selected languages

   582     extra_config+=("--enable-languages=${lang_list}")

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

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

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

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

   588         fi

   589     done

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

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

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

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

   595     fi

   596     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

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

   598         m)  ;;

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

   600     esac

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

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

   603     else

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

   605     fi

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

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

   608     fi

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

   610         extra_config+=(--enable-libmudflap)

   611     else

   612         extra_config+=(--disable-libmudflap)

   613     fi

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

   615         extra_config+=(--enable-libgomp)

   616     else

   617         extra_config+=(--disable-libgomp)

   618     fi

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

   620         extra_config+=(--enable-libssp)

   621     else

   622         extra_config+=(--disable-libssp)

   623     fi

   625     # *** WARNING ! ***

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

   627     # with the same block in do_cc_core, above.

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

   629         final_LDFLAGS+=("-static")

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

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

   632         host_libstdcxx_flags+=("-lm")

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

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

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

   636         # Ditto libm on some Fedora boxen

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

   638         final_LDFLAGS+=("-lm")

   639     else

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

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

   642             # build script

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

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

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

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

   647             host_libstdcxx_flags+=("-lm")

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

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

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

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

   652             # Ditto libm on some Fedora boxen

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

   654             final_LDFLAGS+=("-lm")

   655         fi

   656     fi

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

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

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

   661     fi

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

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

   664     fi

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

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

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

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

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

   670             host_libstdcxx_flags+=("-lpwl")

   671         fi

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

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

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

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

   676     fi

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

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

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

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

   681     fi

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

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

   685     fi

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

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

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

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

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

   692         fi

   693     else

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

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

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

   697         else

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

   699         fi

   700     fi

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

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

   704     fi

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

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

   707     fi

   709     case "${CT_CC_GCC_LDBL_128}" in

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

   711         m)  ;;

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

   713     esac

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

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

   717     fi

   719     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   720         "") ;;

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

   722     esac

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

   725         extra_config+=( --enable-plugin )

   726     fi

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

   728         extra_config+=( --enable-gold )

   729     fi

   731     case "${CT_ARCH}" in

   732         mips)

   733             case "${CT_CC_GCC_mips_llsc}" in

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

   735                 m)  ;;

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

   737             esac

   738             case "${CT_CC_GCC_mips_synci}" in

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

   740                 m)  ;;

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

   742             esac

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

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

   745             fi

   746             ;; # ARCH is mips

   747     esac

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

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

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

   753     fi

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

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

   757     else

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

   759     fi

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

   763     CT_DoExecLog CFG                                \

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

   765     CFLAGS="${cflags}"                              \

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

   767     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   768     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   769     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

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

   771         --build=${CT_BUILD}                         \

   772         --host=${host}                              \

   773         --target=${CT_TARGET}                       \

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

   775         ${CC_SYSROOT_ARG}                           \

   776         "${extra_config[@]}"                        \

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

   778         --enable-c99                                \

   779         --enable-long-long                          \

   780         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

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

   783         CT_DoLog EXTRA "Building libiberty"

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

   785     fi

   787     CT_DoLog EXTRA "Building final compiler"

   788     CT_DoExecLog ALL make ${JOBSFLAGS} all

   790     CT_DoLog EXTRA "Installing final compiler"

   791     CT_DoExecLog ALL make ${JOBSFLAGS} install

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

   794         CT_DoLog EXTRA "Building the GCC manuals"

   795         CT_DoExecLog ALL make ${JOBSFLAGS} pdf html

   796         CT_DoLog EXTRA "Installing the GCC manuals"

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

   798     fi

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

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

   802     # check whether compiler has an extension

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

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

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

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

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

   809                        |tail -n +2 ) )

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

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

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

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

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

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

   816             done

   817         else

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

   819         fi

   820     fi

   821 }

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Tue Jan 03 22:57:25 2012 +0100 (2012-01-03)
changeset 2936	2dfea349d307
parent 2935	4a563f872440
child 2980	150402ee5468
child 3002	56e4a47dcf88
permissions	-rw-r--r--