crosstool-ng: scripts/build/cc/gcc.sh@1ced7cc63576

     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     core_opts+=( "mode=static" )

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

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

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

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

    83     core_opts+=( "lang_list=c" )

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

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

    88     do_cc_core_backend "${core_opts[@]}"

    90     CT_Popd

    91     CT_EndStep

    92 }

    94 # Core gcc pass 2

    95 do_cc_core_pass_2() {

    96     local -a core_opts

    98     # Common options:

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

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

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

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

   103     core_opts+=( "lang_list=c" )

   105     # Different conditions are at stake here:

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

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

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

   109     #     later, we need to build libgcc

   110     case "${CT_THREADS}" in

   111         nptl)

   112             core_opts+=( "mode=shared" )

   113             core_opts+=( "build_libgcc=yes" )

   114             ;;

   115         win32)

   116             core_opts+=( "mode=static" )

   117             core_opts+=( "build_libgcc=yes" )

   118             ;;

   119         *)

   120             core_opts+=( "mode=static" )

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

   122                 core_opts+=( "build_libgcc=yes" )

   123             fi

   124             ;;

   125     esac

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

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

   130     do_cc_core_backend "${core_opts[@]}"

   132     CT_Popd

   133     CT_EndStep

   134 }

   136 #------------------------------------------------------------------------------

   137 # Build core gcc

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

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

   140 #   Parameter           : Definition                                : Type      : Default

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

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

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

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

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

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

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

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

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

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

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

   152 do_cc_core_backend() {

   153     local mode

   154     local build_libgcc=no

   155     local build_libstdcxx=no

   156     local build_staticlinked=no

   157     local build_manuals=no

   158     local host

   159     local prefix

   160     local complibs

   161     local lang_list

   162     local cflags

   163     local tmp

   164     local -a host_libstdcxx_flags

   165     local -a extra_config

   166     local -a core_LDFLAGS

   167     local -a core_targets

   168     local arg

   170     for arg in "$@"; do

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

   172     done

   174     CT_DoLog EXTRA "Configuring core C compiler"

   176     case "${mode}" in

   177         static)

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

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

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

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

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

   183             ;;

   184         shared)

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

   186             copy_headers=y

   187             ;;

   188         baremetal)

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

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

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

   192             copy_headers=n

   193             ;;

   194         *)

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

   196             ;;

   197     esac

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

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

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

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

   203     fi

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

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

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

   208     fi

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

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

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

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

   214         fi

   215     done

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

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

   218     else

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

   220     fi

   222     # *** WARNING ! ***

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

   224     # with the same block in do_cc, below.

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

   226         core_LDFLAGS+=("-static")

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

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

   229         host_libstdcxx_flags+=("-lm")

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

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

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

   233         # Ditto libm on some Fedora boxen

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

   235         core_LDFLAGS+=("-lm")

   236     else

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

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

   239             # build script

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

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

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

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

   244             host_libstdcxx_flags+=("-lm")

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

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

   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         fi

   253     fi

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

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

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

   258     fi

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

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

   261     fi

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

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

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

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

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

   267             host_libstdcxx_flags+=("-lpwl")

   268         fi

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

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

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

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

   273     fi

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

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

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

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

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

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

   280     fi

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

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

   284     fi

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

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

   288     fi

   290     case "${CT_CC_GCC_LDBL_128}" in

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

   292         m)  ;;

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

   294     esac

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

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

   298     fi

   300     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   301         "") ;;

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

   303     esac

   305     case "${CT_ARCH}" in

   306         mips)

   307             case "${CT_CC_GCC_mips_llsc}" in

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

   309                 m)  ;;

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

   311             esac

   312             case "${CT_CC_GCC_mips_synci}" in

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

   314                 m)  ;;

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

   316             esac

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

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

   319             fi

   320             ;; # ARCH is mips

   321     esac

   323     extra_config+=(--disable-libgomp)

   324     extra_config+=(--disable-libmudflap)

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

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

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

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

   332     fi

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

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

   336     else

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

   338     fi

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

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

   343     CT_DoExecLog CFG                                \

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

   345     CFLAGS="${cflags}"                              \

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

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

   348         --build=${CT_BUILD}                         \

   349         --host=${host}                              \

   350         --target=${CT_TARGET}                       \

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

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

   353         --disable-libmudflap                        \

   354         ${CC_CORE_SYSROOT_ARG}                      \

   355         "${extra_config[@]}"                        \

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

   357         "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"

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

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

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

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

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

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

   365         # cross toolchain during the final gcc build.

   366         #

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

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

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

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

   371         #

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

   373         # so we configure then build it.

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

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

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

   377             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

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

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

   380             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   381         else

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

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

   384         fi

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

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

   387             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

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

   389         fi

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

   392         # and libgcc.mvars is used instead.

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

   395             libgcc_rule="libgcc.mvars"

   396             core_targets=( gcc target-libgcc )

   397         else

   398             libgcc_rule="libgcc.mk"

   399             core_targets=( gcc )

   400         fi

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

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

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

   405         # configurations.

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

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

   408                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   409         else

   410             repair_cc=""

   411         fi

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

   414                               ${repair_cc}

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

   416     else # build_libgcc

   417         core_targets=( gcc )

   418     fi   # ! build libgcc

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

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

   421        ]; then

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

   423     fi

   425     CT_DoLog EXTRA "Building core C compiler"

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

   428     CT_DoLog EXTRA "Installing core C compiler"

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

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

   432         CT_DoLog EXTRA "Building the GCC manuals"

   433         CT_DoExecLog ALL make pdf html

   434         CT_DoLog EXTRA "Installing the GCC manuals"

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

   436     fi

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

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

   440     # check whether compiler has an extension

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

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

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

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

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

   447                        |tail -n +2 ) )

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

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

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

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

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

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

   454             done

   455         else

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

   457         fi

   458     fi

   459 }

   461 #------------------------------------------------------------------------------

   462 # Build complete gcc to run on build

   463 do_cc_for_build() {

   464     local -a build_final_opts

   465     local build_final_backend

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

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

   469     # Otherwise, there is nothing to do.

   470     case "${CT_TOOLCHAIN_TYPE}" in

   471         native|cross)   return 0;;

   472     esac

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

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

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

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

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

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

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

   481         build_final_opts+=( "mode=baremetal" )

   482         build_final_opts+=( "build_libgcc=yes" )

   483         build_final_opts+=( "build_libstdcxx=yes" )

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

   485             build_final_opts+=( "build_staticlinked=yes" )

   486         fi

   487         build_final_backend=do_cc_core_backend

   488     else

   489         build_final_backend=do_cc_backend

   490     fi

   492     CT_DoStep INFO "Installing final compiler for build"

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

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

   497     CT_Popd

   498     CT_EndStep

   499 }

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

   502 # Build final gcc to run on host

   503 do_cc_for_host() {

   504     local -a final_opts

   505     local final_backend

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

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

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

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

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

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

   513         final_opts+=( "build_manuals=yes" )

   514     fi

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

   516         final_opts+=( "mode=baremetal" )

   517         final_opts+=( "build_libgcc=yes" )

   518         final_opts+=( "build_libstdcxx=yes" )

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

   520             final_opts+=( "build_staticlinked=yes" )

   521         fi

   522         final_backend=do_cc_core_backend

   523     else

   524         final_backend=do_cc_backend

   525     fi

   527     CT_DoStep INFO "Installing final compiler"

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

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

   532     CT_Popd

   533     CT_EndStep

   534 }

   536 #------------------------------------------------------------------------------

   537 # Build the final gcc

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

   539 #   Parameter     : Definition                          : Type      : Default

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

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

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

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

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

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

   546 do_cc_backend() {

   547     local host

   548     local prefix

   549     local complibs

   550     local cflags

   551     local lang_list

   552     local build_manuals

   553     local -a host_libstdcxx_flags

   554     local -a extra_config

   555     local -a final_LDFLAGS

   556     local tmp

   557     local arg

   559     for arg in "$@"; do

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

   561     done

   563     CT_DoLog EXTRA "Configuring final compiler"

   565     # Enable selected languages

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

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

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

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

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

   572         fi

   573     done

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

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

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

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

   579     fi

   580     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

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

   582         m)  ;;

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

   584     esac

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

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

   587     else

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

   589     fi

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

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

   592     fi

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

   594         extra_config+=(--enable-libmudflap)

   595     else

   596         extra_config+=(--disable-libmudflap)

   597     fi

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

   599         extra_config+=(--enable-libgomp)

   600     else

   601         extra_config+=(--disable-libgomp)

   602     fi

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

   604         extra_config+=(--enable-libssp)

   605     else

   606         extra_config+=(--disable-libssp)

   607     fi

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

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

   610             extra_config+=(--enable-libquadmath)

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

   612         else

   613             extra_config+=(--disable-libquadmath)

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

   615         fi

   616     fi

   618     # *** WARNING ! ***

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

   620     # with the same block in do_cc_core, above.

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

   622         final_LDFLAGS+=("-static")

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

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

   625         host_libstdcxx_flags+=("-lm")

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

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

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

   629         # Ditto libm on some Fedora boxen

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

   631         final_LDFLAGS+=("-lm")

   632     else

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

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

   635             # build script

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

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

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

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

   640             host_libstdcxx_flags+=("-lm")

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

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

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

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

   645             # Ditto libm on some Fedora boxen

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

   647             final_LDFLAGS+=("-lm")

   648         fi

   649     fi

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

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

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

   654     fi

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

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

   657     fi

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

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

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

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

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

   663             host_libstdcxx_flags+=("-lpwl")

   664         fi

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

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

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

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

   669     fi

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

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

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

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

   674     fi

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

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

   678     fi

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

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

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

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

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

   685         fi

   686     else

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

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

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

   690         else

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

   692         fi

   693     fi

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

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

   697     fi

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

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

   700     fi

   702     case "${CT_CC_GCC_LDBL_128}" in

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

   704         m)  ;;

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

   706     esac

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

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

   710     fi

   712     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   713         "") ;;

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

   715     esac

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

   718         extra_config+=( --enable-plugin )

   719     fi

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

   721         extra_config+=( --enable-gold )

   722     fi

   724     case "${CT_ARCH}" in

   725         mips)

   726             case "${CT_CC_GCC_mips_llsc}" in

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

   728                 m)  ;;

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

   730             esac

   731             case "${CT_CC_GCC_mips_synci}" in

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

   733                 m)  ;;

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

   735             esac

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

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

   738             fi

   739             ;; # ARCH is mips

   740     esac

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

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

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

   746     fi

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

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

   750     else

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

   752     fi

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

   756     CT_DoExecLog CFG                                \

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

   758     CFLAGS="${cflags}"                              \

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

   760     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   761     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   762     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

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

   764         --build=${CT_BUILD}                         \

   765         --host=${host}                              \

   766         --target=${CT_TARGET}                       \

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

   768         ${CC_SYSROOT_ARG}                           \

   769         "${extra_config[@]}"                        \

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

   771         --enable-c99                                \

   772         --enable-long-long                          \

   773         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

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

   776         CT_DoLog EXTRA "Building libiberty"

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

   778     fi

   780     CT_DoLog EXTRA "Building final compiler"

   781     CT_DoExecLog ALL make ${JOBSFLAGS} all

   783     CT_DoLog EXTRA "Installing final compiler"

   784     CT_DoExecLog ALL make ${JOBSFLAGS} install

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

   787         CT_DoLog EXTRA "Building the GCC manuals"

   788         CT_DoExecLog ALL make pdf html

   789         CT_DoLog EXTRA "Installing the GCC manuals"

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

   791     fi

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

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

   795     # check whether compiler has an extension

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

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

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

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

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

   802                        |tail -n +2 ) )

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

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

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

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

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

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

   809             done

   810         else

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

   812         fi

   813     fi

   814 }

author	"Yann E. MORIN" <yann.morin.1998@free.fr>
	Sat Aug 04 23:15:02 2012 +0200 (2012-08-04)
changeset 3027	1ced7cc63576
parent 3024	567565640fbe
child 3039	c87cc34319ab
permissions	-rw-r--r--