crosstool-ng: scripts/build/cc/gcc.sh@c71635732a59

     1 # This file adds the function to build the gcc C compiler

     2 # Copyright 2007 Yann E. MORIN

     3 # Licensed under the GPL v2. See COPYING in the root of this package

     5 # Download gcc

     6 do_cc_get() {

     7     local linaro_version

     8     local linaro_series

     9     local linaro_base_url="http://launchpad.net/gcc-linaro"

    12     # Account for the Linaro versioning

    13     linaro_version="$( echo "${CT_CC_VERSION}"      \

    14                        |sed -r -e 's/^linaro-//;'   \

    15                      )"

    16     linaro_series="$( echo "${linaro_version}"      \

    17                       |sed -r -e 's/-.*//;'         \

    18                     )"

    20     # Ah! gcc folks are kind of 'different': they store the tarballs in

    21     # subdirectories of the same name! That's because gcc is such /crap/ that

    22     # it is such /big/ that it needs being splitted for distribution! Sad. :-(

    23     # Arrgghh! Some of those versions does not follow this convention:

    24     # gcc-3.3.3 lives in releases/gcc-3.3.3, while gcc-2.95.* isn't in a

    25     # subdirectory! You bastard!

    26     CT_GetFile "gcc-${CT_CC_VERSION}"                                                       \

    27                {ftp,http}://ftp.gnu.org/gnu/gcc{,{,/releases}/gcc-${CT_CC_VERSION}}         \

    28                ftp://ftp.irisa.fr/pub/mirrors/gcc.gnu.org/gcc/releases/gcc-${CT_CC_VERSION} \

    29                ftp://ftp.uvsq.fr/pub/gcc/snapshots/${CT_CC_VERSION}                         \

    30                "${linaro_base_url}/${linaro_series}/${linaro_version}/+download"

    32     # Starting with GCC 4.3, ecj is used for Java, and will only be

    33     # built if the configure script finds ecj.jar at the top of the

    34     # GCC source tree, which will not be there unless we get it and

    35     # put it there ourselves

    36     if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" ]; then

    37         CT_GetFile ecj-latest .jar ftp://gcc.gnu.org/pub/java   \

    38                                    ftp://sourceware.org/pub/java

    39     fi

    40 }

    42 # Extract gcc

    43 do_cc_extract() {

    44     CT_Extract "gcc-${CT_CC_VERSION}"

    45     CT_Patch "gcc" "${CT_CC_VERSION}"

    47     # Copy ecj-latest.jar to ecj.jar at the top of the GCC source tree

    48     if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y"                     \

    49          -a ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar"   \

    50        ]; then

    51         CT_DoExecLog ALL cp -v "${CT_TARBALLS_DIR}/ecj-latest.jar" "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar"

    52     fi

    53 }

    55 #------------------------------------------------------------------------------

    56 # This function builds up the set of languages to enable

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

    58 cc_gcc_lang_list() {

    59     local lang_list

    61     lang_list="c"

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

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

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

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

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

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

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

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

    71 }

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

    74 # Core gcc pass 1

    75 do_cc_core_pass_1() {

    76     local -a core_opts

    77     local do_core

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

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

    81     case "${CT_THREADS}" in

    82         nptl)

    83             do_core=y

    84             core_opts+=( "mode=static" )

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

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

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

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

    89             core_opts+=( "lang_list=c" )

    90             ;;

    91         *)

    92             do_core=y

    93             core_opts+=( "mode=static" )

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

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

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

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

    98             core_opts+=( "lang_list=c" )

    99             ;;

   100     esac

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

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

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

   106         do_cc_core_backend "${core_opts[@]}"

   108         CT_Popd

   109         CT_EndStep

   110     fi

   111 }

   113 # Core gcc pass 2

   114 do_cc_core_pass_2() {

   115     local -a core_opts

   116     local do_core

   118     # Common options:

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

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

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

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

   123     core_opts+=( "lang_list=c" )

   125     # Different conditions are at stake here:

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

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

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

   129     #     later, we need to build libgcc

   130     case "${CT_THREADS}" in

   131         nptl)

   132             do_core=y

   133             core_opts+=( "mode=shared" )

   134             core_opts+=( "build_libgcc=yes" )

   135             ;;

   136         win32)

   137             do_core=y

   138             core_opts+=( "mode=static" )

   139             core_opts+=( "build_libgcc=yes" )

   140             ;;

   141         *)

   142             do_core=y

   143             core_opts+=( "mode=static" )

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

   145                 core_opts+=( "build_libgcc=yes" )

   146             fi

   147             ;;

   148     esac

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

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

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

   154         do_cc_core_backend "${core_opts[@]}"

   156         CT_Popd

   157         CT_EndStep

   158     fi

   159 }

   161 #------------------------------------------------------------------------------

   162 # Build core gcc

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

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

   165 #   Parameter           : Definition                                : Type      : Default

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

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

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

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

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

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

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

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

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

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

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

   177 do_cc_core_backend() {

   178     local mode

   179     local build_libgcc=no

   180     local build_libstdcxx=no

   181     local build_staticlinked=no

   182     local build_manuals=no

   183     local host

   184     local prefix

   185     local complibs

   186     local lang_list

   187     local cflags

   188     local tmp

   189     local -a host_libstdcxx_flags

   190     local -a extra_config

   191     local -a core_LDFLAGS

   192     local -a core_targets

   193     local arg

   195     for arg in "$@"; do

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

   197     done

   199     CT_DoLog EXTRA "Configuring core C compiler"

   201     case "${mode}" in

   202         static)

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

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

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

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

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

   208             ;;

   209         shared)

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

   211             copy_headers=y

   212             ;;

   213         baremetal)

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

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

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

   217             copy_headers=n

   218             ;;

   219         *)

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

   221             ;;

   222     esac

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

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

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

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

   228     fi

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

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

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

   233     fi

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

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

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

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

   239         fi

   240     done

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

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

   243     else

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

   245     fi

   247     # *** WARNING ! ***

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

   249     # with the same block in do_cc, below.

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

   251         core_LDFLAGS+=("-static")

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

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

   254         host_libstdcxx_flags+=("-lm")

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

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

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

   258         # Ditto libm on some Fedora boxen

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

   260         core_LDFLAGS+=("-lm")

   261     else

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

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

   264             # build script

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

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

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

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

   269             host_libstdcxx_flags+=("-lm")

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

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

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

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

   274             # Ditto libm on some Fedora boxen

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

   276             core_LDFLAGS+=("-lm")

   277         fi

   278     fi

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

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

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

   283     fi

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

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

   286     fi

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

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

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

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

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

   292             host_libstdcxx_flags+=("-lpwl")

   293         fi

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

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

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

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

   298     fi

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

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

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

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

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

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

   305     fi

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

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

   309     fi

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

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

   313     fi

   315     case "${CT_CC_GCC_LDBL_128}" in

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

   317         m)  ;;

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

   319     esac

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

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

   323     fi

   325     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   326         "") ;;

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

   328     esac

   330     case "${CT_ARCH}" in

   331         mips)

   332             case "${CT_CC_GCC_mips_llsc}" in

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

   334                 m)  ;;

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

   336             esac

   337             case "${CT_CC_GCC_mips_synci}" in

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

   339                 m)  ;;

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

   341             esac

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

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

   344             fi

   345             ;; # ARCH is mips

   346     esac

   348     extra_config+=(--disable-libgomp)

   349     extra_config+=(--disable-libmudflap)

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

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

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

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

   357     fi

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

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

   361     else

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

   363     fi

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

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

   368     CT_DoExecLog CFG                                \

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

   370     CFLAGS="${cflags}"                              \

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

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

   373         --build=${CT_BUILD}                         \

   374         --host=${host}                              \

   375         --target=${CT_TARGET}                       \

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

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

   378         --disable-libmudflap                        \

   379         ${CC_CORE_SYSROOT_ARG}                      \

   380         "${extra_config[@]}"                        \

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

   382         "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"

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

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

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

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

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

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

   390         # cross toolchain during the final gcc build.

   391         #

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

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

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

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

   396         #

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

   398         # so we configure then build it.

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

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

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

   402             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

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

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

   405             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   406         else

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

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

   409         fi

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

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

   412             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

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

   414         fi

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

   417         # and libgcc.mvars is used instead.

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

   420             libgcc_rule="libgcc.mvars"

   421             core_targets=( gcc target-libgcc )

   422         else

   423             libgcc_rule="libgcc.mk"

   424             core_targets=( gcc )

   425         fi

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

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

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

   430         # configurations.

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

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

   433                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   434         else

   435             repair_cc=""

   436         fi

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

   439                               ${repair_cc}

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

   441     else # build_libgcc

   442         core_targets=( gcc )

   443     fi   # ! build libgcc

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

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

   446        ]; then

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

   448     fi

   450     CT_DoLog EXTRA "Building core C compiler"

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

   453     CT_DoLog EXTRA "Installing core C compiler"

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

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

   457         CT_DoLog EXTRA "Building the GCC manuals"

   458         CT_DoExecLog ALL make pdf html

   459         CT_DoLog EXTRA "Installing the GCC manuals"

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

   461     fi

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

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

   465     # check whether compiler has an extension

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

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

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

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

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

   472                        |tail -n +2 ) )

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

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

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

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

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

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

   479             done

   480         else

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

   482         fi

   483     fi

   484 }

   486 #------------------------------------------------------------------------------

   487 # Build complete gcc to run on build

   488 do_cc_for_build() {

   489     local -a build_final_opts

   490     local build_final_backend

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

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

   494     # Otherwise, there is nothing to do.

   495     case "${CT_TOOLCHAIN_TYPE}" in

   496         native|cross)   return 0;;

   497     esac

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

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

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

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

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

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

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

   506         build_final_opts+=( "mode=baremetal" )

   507         build_final_opts+=( "build_libgcc=yes" )

   508         build_final_opts+=( "build_libstdcxx=yes" )

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

   510             build_final_opts+=( "build_staticlinked=yes" )

   511         fi

   512         build_final_backend=do_cc_core_backend

   513     else

   514         build_final_backend=do_cc_backend

   515     fi

   517     CT_DoStep INFO "Installing final compiler for build"

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

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

   522     CT_Popd

   523     CT_EndStep

   524 }

   526 #------------------------------------------------------------------------------

   527 # Build final gcc to run on host

   528 do_cc_for_host() {

   529     local -a final_opts

   530     local final_backend

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

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

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

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

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

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

   538         final_opts+=( "build_manuals=yes" )

   539     fi

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

   541         final_opts+=( "mode=baremetal" )

   542         final_opts+=( "build_libgcc=yes" )

   543         final_opts+=( "build_libstdcxx=yes" )

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

   545             final_opts+=( "build_staticlinked=yes" )

   546         fi

   547         final_backend=do_cc_core_backend

   548     else

   549         final_backend=do_cc_backend

   550     fi

   552     CT_DoStep INFO "Installing final compiler"

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

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

   557     CT_Popd

   558     CT_EndStep

   559 }

   561 #------------------------------------------------------------------------------

   562 # Build the final gcc

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

   564 #   Parameter     : Definition                          : Type      : Default

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

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

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

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

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

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

   571 do_cc_backend() {

   572     local host

   573     local prefix

   574     local complibs

   575     local cflags

   576     local lang_list

   577     local build_manuals

   578     local -a host_libstdcxx_flags

   579     local -a extra_config

   580     local -a final_LDFLAGS

   581     local tmp

   582     local arg

   584     for arg in "$@"; do

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

   586     done

   588     CT_DoLog EXTRA "Configuring final compiler"

   590     # Enable selected languages

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

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

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

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

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

   597         fi

   598     done

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

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

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

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

   604     fi

   605     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

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

   607         m)  ;;

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

   609     esac

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

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

   612     else

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

   614     fi

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

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

   617     fi

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

   619         extra_config+=(--enable-libmudflap)

   620     else

   621         extra_config+=(--disable-libmudflap)

   622     fi

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

   624         extra_config+=(--enable-libgomp)

   625     else

   626         extra_config+=(--disable-libgomp)

   627     fi

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

   629         extra_config+=(--enable-libssp)

   630     else

   631         extra_config+=(--disable-libssp)

   632     fi

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

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

   635             extra_config+=(--enable-libquadmath)

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

   637         else

   638             extra_config+=(--disable-libquadmath)

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

   640         fi

   641     fi

   643     # *** WARNING ! ***

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

   645     # with the same block in do_cc_core, above.

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

   647         final_LDFLAGS+=("-static")

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

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

   650         host_libstdcxx_flags+=("-lm")

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

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

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

   654         # Ditto libm on some Fedora boxen

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

   656         final_LDFLAGS+=("-lm")

   657     else

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

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

   660             # build script

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

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

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

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

   665             host_libstdcxx_flags+=("-lm")

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

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

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

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

   670             # Ditto libm on some Fedora boxen

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

   672             final_LDFLAGS+=("-lm")

   673         fi

   674     fi

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

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

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

   679     fi

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

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

   682     fi

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

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

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

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

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

   688             host_libstdcxx_flags+=("-lpwl")

   689         fi

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

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

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

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

   694     fi

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

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

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

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

   699     fi

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

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

   703     fi

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

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

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

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

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

   710         fi

   711     else

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

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

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

   715         else

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

   717         fi

   718     fi

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

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

   722     fi

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

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

   725     fi

   727     case "${CT_CC_GCC_LDBL_128}" in

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

   729         m)  ;;

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

   731     esac

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

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

   735     fi

   737     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   738         "") ;;

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

   740     esac

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

   743         extra_config+=( --enable-plugin )

   744     fi

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

   746         extra_config+=( --enable-gold )

   747     fi

   749     case "${CT_ARCH}" in

   750         mips)

   751             case "${CT_CC_GCC_mips_llsc}" in

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

   753                 m)  ;;

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

   755             esac

   756             case "${CT_CC_GCC_mips_synci}" in

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

   758                 m)  ;;

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

   760             esac

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

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

   763             fi

   764             ;; # ARCH is mips

   765     esac

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

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

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

   771     fi

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

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

   775     else

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

   777     fi

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

   781     CT_DoExecLog CFG                                \

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

   783     CFLAGS="${cflags}"                              \

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

   785     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   786     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   787     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

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

   789         --build=${CT_BUILD}                         \

   790         --host=${host}                              \

   791         --target=${CT_TARGET}                       \

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

   793         ${CC_SYSROOT_ARG}                           \

   794         "${extra_config[@]}"                        \

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

   796         --enable-c99                                \

   797         --enable-long-long                          \

   798         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

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

   801         CT_DoLog EXTRA "Building libiberty"

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

   803     fi

   805     CT_DoLog EXTRA "Building final compiler"

   806     CT_DoExecLog ALL make ${JOBSFLAGS} all

   808     CT_DoLog EXTRA "Installing final compiler"

   809     CT_DoExecLog ALL make ${JOBSFLAGS} install

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

   812         CT_DoLog EXTRA "Building the GCC manuals"

   813         CT_DoExecLog ALL make pdf html

   814         CT_DoLog EXTRA "Installing the GCC manuals"

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

   816     fi

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

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

   820     # check whether compiler has an extension

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

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

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

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

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

   827                        |tail -n +2 ) )

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

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

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

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

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

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

   834             done

   835         else

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

   837         fi

   838     fi

   839 }

author	"Yann E. MORIN" <yann.morin.1998@free.fr>
	Wed Aug 01 19:02:06 2012 +0200 (2012-08-01)
changeset 3023	c71635732a59
parent 2984	c800b7d6a50c
child 3024	567565640fbe
permissions	-rw-r--r--