crosstool-ng: scripts/build/cc/gcc.sh@5926d424d6c5

     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     # Do nothing for canadian-crosses, we already have a target compiler.

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

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

    82     case "${CT_CANADIAN},${CT_THREADS}" in

    83         y,*)

    84             ;;

    85         ,nptl)

    86             do_core=y

    87             core_opts+=( "mode=static" )

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

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

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

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

    92             core_opts+=( "lang_list=c" )

    93             ;;

    94     esac

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

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

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

   100         do_cc_core_backend "${core_opts[@]}"

   102         CT_Popd

   103         CT_EndStep

   104     fi

   105 }

   107 # Core gcc pass 2

   108 do_cc_core_pass_2() {

   109     local -a core_opts

   110     local do_core

   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     # Do nothing for canadian-crosses, we already have a target compiler.

   120     # Different conditions are at stake here:

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

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

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

   124     #     later, we need to build libgcc

   125     case "${CT_CANADIAN},${CT_THREADS}" in

   126         y,*)

   127             ;;

   128         ,nptl)

   129             do_core=y

   130             core_opts+=( "mode=shared" )

   131             core_opts+=( "build_libgcc=yes" )

   132             ;;

   133         ,win32)

   134             do_core=y

   135             core_opts+=( "mode=static" )

   136             core_opts+=( "build_libgcc=yes" )

   137             ;;

   138         *)

   139             do_core=y

   140             core_opts+=( "mode=static" )

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

   142                 core_opts+=( "build_libgcc=yes" )

   143             fi

   144             ;;

   145     esac

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

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

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

   151         do_cc_core_backend "${core_opts[@]}"

   153         CT_Popd

   154         CT_EndStep

   155     fi

   156 }

   158 #------------------------------------------------------------------------------

   159 # Build core gcc

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

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

   162 #   Parameter           : Definition                                : Type      : Default

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

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

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

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

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

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

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

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

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

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

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

   174 do_cc_core_backend() {

   175     local mode

   176     local build_libgcc=no

   177     local build_libstdcxx=no

   178     local build_staticlinked=no

   179     local build_manuals=no

   180     local host

   181     local prefix

   182     local complibs

   183     local lang_list

   184     local cflags

   185     local tmp

   186     local -a host_libstdcxx_flags

   187     local -a extra_config

   188     local -a core_LDFLAGS

   189     local -a core_targets

   190     local arg

   192     for arg in "$@"; do

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

   194     done

   196     CT_DoLog EXTRA "Configuring core C compiler"

   198     case "${mode}" in

   199         static)

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

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

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

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

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

   205             ;;

   206         shared)

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

   208             copy_headers=y

   209             ;;

   210         baremetal)

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

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

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

   214             copy_headers=n

   215             ;;

   216         *)

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

   218             ;;

   219     esac

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

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

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

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

   225     fi

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

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

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

   230     fi

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

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

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

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

   236         fi

   237     done

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

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

   240     else

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

   242     fi

   244     # *** WARNING ! ***

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

   246     # with the same block in do_cc, below.

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

   248         core_LDFLAGS+=("-static")

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

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

   251         host_libstdcxx_flags+=("-lm")

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

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

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

   255         # Ditto libm on some Fedora boxen

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

   257         core_LDFLAGS+=("-lm")

   258     else

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

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

   261             # build script

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

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

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

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

   266             host_libstdcxx_flags+=("-lm")

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

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

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

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

   271             # Ditto libm on some Fedora boxen

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

   273             core_LDFLAGS+=("-lm")

   274         fi

   275     fi

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

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

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

   280     fi

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

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

   283     fi

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

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

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

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

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

   289             host_libstdcxx_flags+=("-lpwl")

   290         fi

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

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

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

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

   295     fi

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

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

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

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

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

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

   302     fi

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

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

   306     fi

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

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

   310     fi

   312     case "${CT_CC_GCC_LDBL_128}" in

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

   314         m)  ;;

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

   316     esac

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

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

   320     fi

   322     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   323         "") ;;

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

   325     esac

   327     case "${CT_ARCH}" in

   328         mips)

   329             case "${CT_CC_GCC_mips_llsc}" in

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

   331                 m)  ;;

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

   333             esac

   334             case "${CT_CC_GCC_mips_synci}" in

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

   336                 m)  ;;

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

   338             esac

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

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

   341             fi

   342             ;; # ARCH is mips

   343     esac

   345     extra_config+=(--disable-libgomp)

   346     extra_config+=(--disable-libmudflap)

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

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

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

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

   354     fi

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

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

   358     else

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

   360     fi

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

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

   365     CT_DoExecLog CFG                                \

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

   367     CFLAGS="${cflags}"                              \

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

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

   370         --build=${CT_BUILD}                         \

   371         --host=${host}                              \

   372         --target=${CT_TARGET}                       \

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

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

   375         --disable-libmudflap                        \

   376         ${CC_CORE_SYSROOT_ARG}                      \

   377         "${extra_config[@]}"                        \

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

   379         "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"

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

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

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

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

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

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

   387         # cross toolchain during the final gcc build.

   388         #

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

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

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

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

   393         #

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

   395         # so we configure then build it.

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

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

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

   399             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

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

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

   402             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   403         else

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

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

   406         fi

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

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

   409             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

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

   411         fi

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

   414         # and libgcc.mvars is used instead.

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

   417             libgcc_rule="libgcc.mvars"

   418             core_targets=( gcc target-libgcc )

   419         else

   420             libgcc_rule="libgcc.mk"

   421             core_targets=( gcc )

   422         fi

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

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

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

   427         # configurations.

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

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

   430                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   431         else

   432             repair_cc=""

   433         fi

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

   436                               ${repair_cc}

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

   438     else # build_libgcc

   439         core_targets=( gcc )

   440     fi   # ! build libgcc

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

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

   443        ]; then

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

   445     fi

   447     CT_DoLog EXTRA "Building core C compiler"

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

   450     CT_DoLog EXTRA "Installing core C compiler"

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

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

   454         CT_DoLog EXTRA "Building the GCC manuals"

   455         CT_DoExecLog ALL make pdf html

   456         CT_DoLog EXTRA "Installing the GCC manuals"

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

   458     fi

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

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

   462     # check whether compiler has an extension

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

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

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

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

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

   469                        |tail -n +2 ) )

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

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

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

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

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

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

   476             done

   477         else

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

   479         fi

   480     fi

   481 }

   483 #------------------------------------------------------------------------------

   484 # Build final gcc

   485 do_cc() {

   486     local -a final_opts

   487     local final_backend

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

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

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

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

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

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

   495         final_opts+=( "build_manuals=yes" )

   496     fi

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

   498         final_opts+=( "mode=baremetal" )

   499         final_opts+=( "build_libgcc=yes" )

   500         final_opts+=( "build_libstdcxx=yes" )

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

   502             final_opts+=( "build_staticlinked=yes" )

   503         fi

   504         final_backend=do_cc_core_backend

   505     else

   506         final_backend=do_cc_backend

   507     fi

   509     CT_DoStep INFO "Installing final compiler"

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

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

   514     CT_Popd

   515     CT_EndStep

   516 }

   518 #------------------------------------------------------------------------------

   519 # Build the final gcc

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

   521 #   Parameter     : Definition                          : Type      : Default

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

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

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

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

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

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

   528 do_cc_backend() {

   529     local host

   530     local prefix

   531     local complibs

   532     local cflags

   533     local lang_list

   534     local build_manuals

   535     local -a host_libstdcxx_flags

   536     local -a extra_config

   537     local -a final_LDFLAGS

   538     local tmp

   539     local arg

   541     for arg in "$@"; do

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

   543     done

   545     CT_DoLog EXTRA "Configuring final compiler"

   547     # Enable selected languages

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

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

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

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

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

   554         fi

   555     done

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

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

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

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

   561     fi

   562     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

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

   564         m)  ;;

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

   566     esac

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

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

   569     else

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

   571     fi

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

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

   574     fi

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

   576         extra_config+=(--enable-libmudflap)

   577     else

   578         extra_config+=(--disable-libmudflap)

   579     fi

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

   581         extra_config+=(--enable-libgomp)

   582     else

   583         extra_config+=(--disable-libgomp)

   584     fi

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

   586         extra_config+=(--enable-libssp)

   587     else

   588         extra_config+=(--disable-libssp)

   589     fi

   591     # *** WARNING ! ***

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

   593     # with the same block in do_cc_core, above.

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

   595         final_LDFLAGS+=("-static")

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

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

   598         host_libstdcxx_flags+=("-lm")

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

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

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

   602         # Ditto libm on some Fedora boxen

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

   604         final_LDFLAGS+=("-lm")

   605     else

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

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

   608             # build script

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

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

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

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

   613             host_libstdcxx_flags+=("-lm")

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

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

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

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

   618             # Ditto libm on some Fedora boxen

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

   620             final_LDFLAGS+=("-lm")

   621         fi

   622     fi

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

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

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

   627     fi

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

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

   630     fi

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

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

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

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

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

   636             host_libstdcxx_flags+=("-lpwl")

   637         fi

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

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

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

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

   642     fi

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

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

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

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

   647     fi

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

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

   651     fi

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

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

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

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

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

   658         fi

   659     else

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

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

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

   663         else

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

   665         fi

   666     fi

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

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

   670     fi

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

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

   673     fi

   675     case "${CT_CC_GCC_LDBL_128}" in

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

   677         m)  ;;

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

   679     esac

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

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

   683     fi

   685     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   686         "") ;;

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

   688     esac

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

   691         extra_config+=( --enable-plugin )

   692     fi

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

   694         extra_config+=( --enable-gold )

   695     fi

   697     case "${CT_ARCH}" in

   698         mips)

   699             case "${CT_CC_GCC_mips_llsc}" in

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

   701                 m)  ;;

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

   703             esac

   704             case "${CT_CC_GCC_mips_synci}" in

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

   706                 m)  ;;

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

   708             esac

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

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

   711             fi

   712             ;; # ARCH is mips

   713     esac

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

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

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

   719     fi

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

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

   723     else

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

   725     fi

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

   729     CT_DoExecLog CFG                                \

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

   731     CFLAGS="${cflags}"                              \

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

   733     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   734     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   735     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

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

   737         --build=${CT_BUILD}                         \

   738         --host=${host}                              \

   739         --target=${CT_TARGET}                       \

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

   741         ${CC_SYSROOT_ARG}                           \

   742         "${extra_config[@]}"                        \

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

   744         --enable-c99                                \

   745         --enable-long-long                          \

   746         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

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

   749         CT_DoLog EXTRA "Building libiberty"

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

   751     fi

   753     CT_DoLog EXTRA "Building final compiler"

   754     CT_DoExecLog ALL make ${JOBSFLAGS} all

   756     CT_DoLog EXTRA "Installing final compiler"

   757     CT_DoExecLog ALL make ${JOBSFLAGS} install

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

   760         CT_DoLog EXTRA "Building the GCC manuals"

   761         CT_DoExecLog ALL make ${JOBSFLAGS} pdf html

   762         CT_DoLog EXTRA "Installing the GCC manuals"

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

   764     fi

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

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

   768     # check whether compiler has an extension

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

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

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

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

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

   775                        |tail -n +2 ) )

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

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

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

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

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

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

   782             done

   783         else

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

   785         fi

   786     fi

   787 }

author	"Yann E. MORIN" <yann.morin.1998@free.fr>
	Sun Apr 01 19:07:11 2012 +0200 (2012-04-01)
changeset 2934	5926d424d6c5
parent 2933	be5d4773a894
child 2935	4a563f872440
permissions	-rw-r--r--