crosstool-ng: scripts/build/cc/gcc.sh@567565640fbe

     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

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

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

    80     case "${CT_THREADS}" in

    81         nptl)

    82             core_opts+=( "mode=static" )

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

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

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

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

    87             core_opts+=( "lang_list=c" )

    88             ;;

    89         *)

    90             core_opts+=( "mode=static" )

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

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

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

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

    95             core_opts+=( "lang_list=c" )

    96             ;;

    97     esac

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

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

   102     do_cc_core_backend "${core_opts[@]}"

   104     CT_Popd

   105     CT_EndStep

   106 }

   108 # Core gcc pass 2

   109 do_cc_core_pass_2() {

   110     local -a core_opts

   112     # Common options:

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

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

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

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

   117     core_opts+=( "lang_list=c" )

   119     # Different conditions are at stake here:

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

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

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

   123     #     later, we need to build libgcc

   124     case "${CT_THREADS}" in

   125         nptl)

   126             core_opts+=( "mode=shared" )

   127             core_opts+=( "build_libgcc=yes" )

   128             ;;

   129         win32)

   130             core_opts+=( "mode=static" )

   131             core_opts+=( "build_libgcc=yes" )

   132             ;;

   133         *)

   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     CT_DoStep INFO "Installing pass-2 core C compiler"

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

   144     do_cc_core_backend "${core_opts[@]}"

   146     CT_Popd

   147     CT_EndStep

   148 }

   150 #------------------------------------------------------------------------------

   151 # Build core gcc

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

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

   154 #   Parameter           : Definition                                : Type      : Default

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

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

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

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

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

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

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

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

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

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

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

   166 do_cc_core_backend() {

   167     local mode

   168     local build_libgcc=no

   169     local build_libstdcxx=no

   170     local build_staticlinked=no

   171     local build_manuals=no

   172     local host

   173     local prefix

   174     local complibs

   175     local lang_list

   176     local cflags

   177     local tmp

   178     local -a host_libstdcxx_flags

   179     local -a extra_config

   180     local -a core_LDFLAGS

   181     local -a core_targets

   182     local arg

   184     for arg in "$@"; do

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

   186     done

   188     CT_DoLog EXTRA "Configuring core C compiler"

   190     case "${mode}" in

   191         static)

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

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

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

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

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

   197             ;;

   198         shared)

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

   200             copy_headers=y

   201             ;;

   202         baremetal)

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

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

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

   206             copy_headers=n

   207             ;;

   208         *)

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

   210             ;;

   211     esac

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

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

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

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

   217     fi

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

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

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

   222     fi

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

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

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

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

   228         fi

   229     done

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

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

   232     else

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

   234     fi

   236     # *** WARNING ! ***

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

   238     # with the same block in do_cc, below.

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

   240         core_LDFLAGS+=("-static")

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

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

   243         host_libstdcxx_flags+=("-lm")

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

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

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

   247         # Ditto libm on some Fedora boxen

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

   249         core_LDFLAGS+=("-lm")

   250     else

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

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

   253             # build script

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

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

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

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

   258             host_libstdcxx_flags+=("-lm")

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

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

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

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

   263             # Ditto libm on some Fedora boxen

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

   265             core_LDFLAGS+=("-lm")

   266         fi

   267     fi

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

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

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

   272     fi

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

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

   275     fi

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

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

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

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

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

   281             host_libstdcxx_flags+=("-lpwl")

   282         fi

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

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

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

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

   287     fi

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

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

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

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

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

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

   294     fi

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

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

   298     fi

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

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

   302     fi

   304     case "${CT_CC_GCC_LDBL_128}" in

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

   306         m)  ;;

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

   308     esac

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

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

   312     fi

   314     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   315         "") ;;

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

   317     esac

   319     case "${CT_ARCH}" in

   320         mips)

   321             case "${CT_CC_GCC_mips_llsc}" in

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

   323                 m)  ;;

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

   325             esac

   326             case "${CT_CC_GCC_mips_synci}" in

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

   328                 m)  ;;

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

   330             esac

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

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

   333             fi

   334             ;; # ARCH is mips

   335     esac

   337     extra_config+=(--disable-libgomp)

   338     extra_config+=(--disable-libmudflap)

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

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

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

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

   346     fi

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

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

   350     else

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

   352     fi

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

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

   357     CT_DoExecLog CFG                                \

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

   359     CFLAGS="${cflags}"                              \

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

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

   362         --build=${CT_BUILD}                         \

   363         --host=${host}                              \

   364         --target=${CT_TARGET}                       \

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

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

   367         --disable-libmudflap                        \

   368         ${CC_CORE_SYSROOT_ARG}                      \

   369         "${extra_config[@]}"                        \

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

   371         "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"

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

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

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

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

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

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

   379         # cross toolchain during the final gcc build.

   380         #

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

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

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

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

   385         #

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

   387         # so we configure then build it.

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

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

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

   391             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

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

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

   394             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   395         else

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

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

   398         fi

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

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

   401             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

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

   403         fi

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

   406         # and libgcc.mvars is used instead.

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

   409             libgcc_rule="libgcc.mvars"

   410             core_targets=( gcc target-libgcc )

   411         else

   412             libgcc_rule="libgcc.mk"

   413             core_targets=( gcc )

   414         fi

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

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

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

   419         # configurations.

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

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

   422                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   423         else

   424             repair_cc=""

   425         fi

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

   428                               ${repair_cc}

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

   430     else # build_libgcc

   431         core_targets=( gcc )

   432     fi   # ! build libgcc

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

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

   435        ]; then

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

   437     fi

   439     CT_DoLog EXTRA "Building core C compiler"

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

   442     CT_DoLog EXTRA "Installing core C compiler"

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

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

   446         CT_DoLog EXTRA "Building the GCC manuals"

   447         CT_DoExecLog ALL make pdf html

   448         CT_DoLog EXTRA "Installing the GCC manuals"

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

   450     fi

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

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

   454     # check whether compiler has an extension

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

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

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

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

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

   461                        |tail -n +2 ) )

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

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

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

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

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

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

   468             done

   469         else

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

   471         fi

   472     fi

   473 }

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

   476 # Build complete gcc to run on build

   477 do_cc_for_build() {

   478     local -a build_final_opts

   479     local build_final_backend

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

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

   483     # Otherwise, there is nothing to do.

   484     case "${CT_TOOLCHAIN_TYPE}" in

   485         native|cross)   return 0;;

   486     esac

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

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

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

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

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

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

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

   495         build_final_opts+=( "mode=baremetal" )

   496         build_final_opts+=( "build_libgcc=yes" )

   497         build_final_opts+=( "build_libstdcxx=yes" )

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

   499             build_final_opts+=( "build_staticlinked=yes" )

   500         fi

   501         build_final_backend=do_cc_core_backend

   502     else

   503         build_final_backend=do_cc_backend

   504     fi

   506     CT_DoStep INFO "Installing final compiler for build"

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

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

   511     CT_Popd

   512     CT_EndStep

   513 }

   515 #------------------------------------------------------------------------------

   516 # Build final gcc to run on host

   517 do_cc_for_host() {

   518     local -a final_opts

   519     local final_backend

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

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

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

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

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

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

   527         final_opts+=( "build_manuals=yes" )

   528     fi

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

   530         final_opts+=( "mode=baremetal" )

   531         final_opts+=( "build_libgcc=yes" )

   532         final_opts+=( "build_libstdcxx=yes" )

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

   534             final_opts+=( "build_staticlinked=yes" )

   535         fi

   536         final_backend=do_cc_core_backend

   537     else

   538         final_backend=do_cc_backend

   539     fi

   541     CT_DoStep INFO "Installing final compiler"

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

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

   546     CT_Popd

   547     CT_EndStep

   548 }

   550 #------------------------------------------------------------------------------

   551 # Build the final gcc

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

   553 #   Parameter     : Definition                          : Type      : Default

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

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

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

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

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

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

   560 do_cc_backend() {

   561     local host

   562     local prefix

   563     local complibs

   564     local cflags

   565     local lang_list

   566     local build_manuals

   567     local -a host_libstdcxx_flags

   568     local -a extra_config

   569     local -a final_LDFLAGS

   570     local tmp

   571     local arg

   573     for arg in "$@"; do

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

   575     done

   577     CT_DoLog EXTRA "Configuring final compiler"

   579     # Enable selected languages

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

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

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

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

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

   586         fi

   587     done

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

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

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

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

   593     fi

   594     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

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

   596         m)  ;;

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

   598     esac

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

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

   601     else

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

   603     fi

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

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

   606     fi

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

   608         extra_config+=(--enable-libmudflap)

   609     else

   610         extra_config+=(--disable-libmudflap)

   611     fi

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

   613         extra_config+=(--enable-libgomp)

   614     else

   615         extra_config+=(--disable-libgomp)

   616     fi

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

   618         extra_config+=(--enable-libssp)

   619     else

   620         extra_config+=(--disable-libssp)

   621     fi

   622     if [ "${CT_CC_GCC_HAS_LIBQUADMATH}" = "y" ]; then

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

   624             extra_config+=(--enable-libquadmath)

   625             extra_config+=(--enable-libquadmath-support)

   626         else

   627             extra_config+=(--disable-libquadmath)

   628             extra_config+=(--disable-libquadmath-support)

   629         fi

   630     fi

   632     # *** WARNING ! ***

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

   634     # with the same block in do_cc_core, above.

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

   636         final_LDFLAGS+=("-static")

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

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

   639         host_libstdcxx_flags+=("-lm")

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

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

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

   643         # Ditto libm on some Fedora boxen

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

   645         final_LDFLAGS+=("-lm")

   646     else

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

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

   649             # build script

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

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

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

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

   654             host_libstdcxx_flags+=("-lm")

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

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

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

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

   659             # Ditto libm on some Fedora boxen

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

   661             final_LDFLAGS+=("-lm")

   662         fi

   663     fi

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

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

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

   668     fi

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

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

   671     fi

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

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

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

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

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

   677             host_libstdcxx_flags+=("-lpwl")

   678         fi

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

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

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

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

   683     fi

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

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

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

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

   688     fi

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

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

   692     fi

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

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

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

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

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

   699         fi

   700     else

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

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

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

   704         else

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

   706         fi

   707     fi

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

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

   711     fi

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

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

   714     fi

   716     case "${CT_CC_GCC_LDBL_128}" in

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

   718         m)  ;;

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

   720     esac

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

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

   724     fi

   726     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   727         "") ;;

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

   729     esac

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

   732         extra_config+=( --enable-plugin )

   733     fi

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

   735         extra_config+=( --enable-gold )

   736     fi

   738     case "${CT_ARCH}" in

   739         mips)

   740             case "${CT_CC_GCC_mips_llsc}" in

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

   742                 m)  ;;

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

   744             esac

   745             case "${CT_CC_GCC_mips_synci}" in

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

   747                 m)  ;;

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

   749             esac

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

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

   752             fi

   753             ;; # ARCH is mips

   754     esac

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

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

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

   760     fi

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

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

   764     else

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

   766     fi

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

   770     CT_DoExecLog CFG                                \

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

   772     CFLAGS="${cflags}"                              \

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

   774     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   775     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   776     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

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

   778         --build=${CT_BUILD}                         \

   779         --host=${host}                              \

   780         --target=${CT_TARGET}                       \

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

   782         ${CC_SYSROOT_ARG}                           \

   783         "${extra_config[@]}"                        \

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

   785         --enable-c99                                \

   786         --enable-long-long                          \

   787         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

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

   790         CT_DoLog EXTRA "Building libiberty"

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

   792     fi

   794     CT_DoLog EXTRA "Building final compiler"

   795     CT_DoExecLog ALL make ${JOBSFLAGS} all

   797     CT_DoLog EXTRA "Installing final compiler"

   798     CT_DoExecLog ALL make ${JOBSFLAGS} install

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

   801         CT_DoLog EXTRA "Building the GCC manuals"

   802         CT_DoExecLog ALL make pdf html

   803         CT_DoLog EXTRA "Installing the GCC manuals"

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

   805     fi

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

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

   809     # check whether compiler has an extension

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

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

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

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

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

   816                        |tail -n +2 ) )

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

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

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

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

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

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

   823             done

   824         else

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

   826         fi

   827     fi

   828 }

author	"Yann E. MORIN" <yann.morin.1998@free.fr>
	Wed Aug 01 19:07:37 2012 +0200 (2012-08-01)
changeset 3024	567565640fbe
parent 3023	c71635732a59
child 3027	1ced7cc63576
permissions	-rw-r--r--