crosstool-ng: scripts/build/cc/gcc.sh@ff167977b163

     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     if [ -n "${CT_CC_V_SVN}" ]; then

     8         # Get gcc from SVN!

     9         local svn_base

    11         if [ "${CT_GCC_HTTP}" = "y" ]; then

    12             svn_base="http://gcc.gnu.org/svn/gcc"

    13         else

    14             svn_base="svn://gcc.gnu.org/svn/gcc"

    15         fi

    17         svn_base+="/${CT_GCC_BRANCH:-trunk}"

    19         CT_CC_VERSION="${CT_GCC_BRANCH//\//_}"

    21         CT_GetSVN "gcc-${CT_CC_VERSION}" \

    22             "${svn_base}/" \

    23             "${CT_GCC_REVISION:-HEAD}"

    24     else

    25         local linaro_version

    26         local linaro_series

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

    30         # Account for the Linaro versioning

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

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

    33                          )"

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

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

    36                         )"

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

    39         # subdirectories of the same name!

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

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

    42         # subdirectory!

    43         CT_GetFile "gcc-${CT_CC_VERSION}"                                                       \

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

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

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

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

    49     fi # -n ${CT_CC_V_SVN}

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

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

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

    53     # put it there ourselves

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

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

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

    57     fi

    58 }

    60 # Extract gcc

    61 do_cc_extract() {

    62     CT_Extract "gcc-${CT_CC_VERSION}"

    63     CT_Patch "gcc" "${CT_CC_VERSION}"

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

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

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

    68        ]; then

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

    70     fi

    71 }

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

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

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

    76 cc_gcc_lang_list() {

    77     local lang_list

    79     lang_list="c"

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

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

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

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

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

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

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

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

    89 }

    91 #------------------------------------------------------------------------------

    92 # Core gcc pass 1

    93 do_cc_core_pass_1() {

    94     local -a core_opts

    96     core_opts+=( "mode=static" )

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

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

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

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

   101     core_opts+=( "lang_list=c" )

   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 }

   112 # Core gcc pass 2

   113 do_cc_core_pass_2() {

   114     local -a core_opts

   116     # Common options:

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

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

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

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

   121     core_opts+=( "lang_list=c" )

   123     # Different conditions are at stake here:

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

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

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

   127     #     later, we need to build libgcc

   128     case "${CT_THREADS}" in

   129         nptl)

   130             core_opts+=( "mode=shared" )

   131             core_opts+=( "build_libgcc=yes" )

   132             ;;

   133         win32)

   134             core_opts+=( "mode=static" )

   135             core_opts+=( "build_libgcc=yes" )

   136             ;;

   137         *)

   138             core_opts+=( "mode=static" )

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

   140                 core_opts+=( "build_libgcc=yes" )

   141             fi

   142             ;;

   143     esac

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

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

   148     do_cc_core_backend "${core_opts[@]}"

   150     CT_Popd

   151     CT_EndStep

   152 }

   154 #------------------------------------------------------------------------------

   155 # Build core gcc

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

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

   158 #   Parameter           : Definition                                : Type      : Default

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

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

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

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

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

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

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

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

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

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

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

   170 do_cc_core_backend() {

   171     local mode

   172     local build_libgcc=no

   173     local build_libstdcxx=no

   174     local build_staticlinked=no

   175     local build_manuals=no

   176     local host

   177     local prefix

   178     local complibs

   179     local lang_list

   180     local cflags

   181     local tmp

   182     local -a host_libstdcxx_flags

   183     local -a extra_config

   184     local -a core_LDFLAGS

   185     local -a core_targets

   186     local arg

   188     for arg in "$@"; do

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

   190     done

   192     CT_DoLog EXTRA "Configuring core C compiler"

   194     case "${mode}" in

   195         static)

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

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

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

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

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

   201             ;;

   202         shared)

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

   204             copy_headers=y

   205             ;;

   206         baremetal)

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

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

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

   210             copy_headers=n

   211             ;;

   212         *)

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

   214             ;;

   215     esac

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

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

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

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

   221     fi

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

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

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

   226     fi

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

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

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

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

   232         fi

   233     done

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

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

   236     else

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

   238     fi

   240     # *** WARNING ! ***

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

   242     # with the same block in do_cc, below.

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

   244         core_LDFLAGS+=("-static")

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

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

   247         host_libstdcxx_flags+=("-lm")

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

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

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

   251         # Ditto libm on some Fedora boxen

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

   253         core_LDFLAGS+=("-lm")

   254     else

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

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

   257             # build script

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

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

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

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

   262             host_libstdcxx_flags+=("-lm")

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

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

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

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

   267             # Ditto libm on some Fedora boxen

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

   269             core_LDFLAGS+=("-lm")

   270         fi

   271     fi

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

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

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

   276     fi

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

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

   279     fi

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

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

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

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

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

   285             host_libstdcxx_flags+=("-lpwl")

   286         fi

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

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

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

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

   291     fi

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

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

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

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

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

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

   298     fi

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

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

   302     fi

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

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

   306     fi

   308     case "${CT_CC_GCC_LDBL_128}" in

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

   310         m)  ;;

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

   312     esac

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

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

   316     fi

   318     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   319         "") ;;

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

   321     esac

   323     case "${CT_ARCH}" in

   324         mips)

   325             case "${CT_CC_GCC_mips_llsc}" in

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

   327                 m)  ;;

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

   329             esac

   330             case "${CT_CC_GCC_mips_synci}" in

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

   332                 m)  ;;

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

   334             esac

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

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

   337             fi

   338             ;; # ARCH is mips

   339     esac

   341     extra_config+=(--disable-libgomp)

   342     extra_config+=(--disable-libmudflap)

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

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

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

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

   350     fi

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

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

   354     else

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

   356     fi

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

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

   361     CT_DoExecLog CFG                                \

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

   363     CFLAGS="${cflags}"                              \

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

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

   366         --build=${CT_BUILD}                         \

   367         --host=${host}                              \

   368         --target=${CT_TARGET}                       \

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

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

   371         --disable-libmudflap                        \

   372         ${CC_CORE_SYSROOT_ARG}                      \

   373         "${extra_config[@]}"                        \

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

   375         "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"

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

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

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

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

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

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

   383         # cross toolchain during the final gcc build.

   384         #

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

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

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

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

   389         #

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

   391         # so we configure then build it.

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

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

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

   395             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

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

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

   398             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   399         else

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

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

   402         fi

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

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

   405             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

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

   407         fi

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

   410         # and libgcc.mvars is used instead.

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

   413             libgcc_rule="libgcc.mvars"

   414             core_targets=( gcc target-libgcc )

   415         else

   416             libgcc_rule="libgcc.mk"

   417             core_targets=( gcc )

   418         fi

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

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

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

   423         # configurations.

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

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

   426                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   427         else

   428             repair_cc=""

   429         fi

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

   432                               ${repair_cc}

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

   434     else # build_libgcc

   435         core_targets=( gcc )

   436     fi   # ! build libgcc

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

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

   439        ]; then

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

   441     fi

   443     CT_DoLog EXTRA "Building core C compiler"

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

   446     CT_DoLog EXTRA "Installing core C compiler"

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

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

   450         CT_DoLog EXTRA "Building the GCC manuals"

   451         CT_DoExecLog ALL make pdf html

   452         CT_DoLog EXTRA "Installing the GCC manuals"

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

   454     fi

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

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

   458     # check whether compiler has an extension

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

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

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

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

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

   465                        |tail -n +2 ) )

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

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

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

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

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

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

   472             done

   473         else

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

   475         fi

   476     fi

   477 }

   479 #------------------------------------------------------------------------------

   480 # Build complete gcc to run on build

   481 do_cc_for_build() {

   482     local -a build_final_opts

   483     local build_final_backend

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

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

   487     # Otherwise, there is nothing to do.

   488     case "${CT_TOOLCHAIN_TYPE}" in

   489         native|cross)   return 0;;

   490     esac

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

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

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

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

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

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

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

   499         build_final_opts+=( "mode=baremetal" )

   500         build_final_opts+=( "build_libgcc=yes" )

   501         build_final_opts+=( "build_libstdcxx=yes" )

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

   503             build_final_opts+=( "build_staticlinked=yes" )

   504         fi

   505         build_final_backend=do_cc_core_backend

   506     else

   507         build_final_backend=do_cc_backend

   508     fi

   510     CT_DoStep INFO "Installing final compiler for build"

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

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

   515     CT_Popd

   516     CT_EndStep

   517 }

   519 #------------------------------------------------------------------------------

   520 # Build final gcc to run on host

   521 do_cc_for_host() {

   522     local -a final_opts

   523     local final_backend

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

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

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

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

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

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

   531         final_opts+=( "build_manuals=yes" )

   532     fi

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

   534         final_opts+=( "mode=baremetal" )

   535         final_opts+=( "build_libgcc=yes" )

   536         final_opts+=( "build_libstdcxx=yes" )

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

   538             final_opts+=( "build_staticlinked=yes" )

   539         fi

   540         final_backend=do_cc_core_backend

   541     else

   542         final_backend=do_cc_backend

   543     fi

   545     CT_DoStep INFO "Installing final compiler"

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

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

   550     CT_Popd

   551     CT_EndStep

   552 }

   554 #------------------------------------------------------------------------------

   555 # Build the final gcc

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

   557 #   Parameter     : Definition                          : Type      : Default

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

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

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

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

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

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

   564 do_cc_backend() {

   565     local host

   566     local prefix

   567     local complibs

   568     local cflags

   569     local lang_list

   570     local build_manuals

   571     local -a host_libstdcxx_flags

   572     local -a extra_config

   573     local -a final_LDFLAGS

   574     local tmp

   575     local arg

   577     for arg in "$@"; do

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

   579     done

   581     CT_DoLog EXTRA "Configuring final compiler"

   583     # Enable selected languages

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

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

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

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

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

   590         fi

   591     done

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

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

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

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

   597     fi

   598     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

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

   600         m)  ;;

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

   602     esac

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

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

   605     else

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

   607     fi

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

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

   610     fi

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

   612         extra_config+=(--enable-libmudflap)

   613     else

   614         extra_config+=(--disable-libmudflap)

   615     fi

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

   617         extra_config+=(--enable-libgomp)

   618     else

   619         extra_config+=(--disable-libgomp)

   620     fi

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

   622         extra_config+=(--enable-libssp)

   623     else

   624         extra_config+=(--disable-libssp)

   625     fi

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

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

   628             extra_config+=(--enable-libquadmath)

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

   630         else

   631             extra_config+=(--disable-libquadmath)

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

   633         fi

   634     fi

   636     # *** WARNING ! ***

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

   638     # with the same block in do_cc_core, above.

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

   640         final_LDFLAGS+=("-static")

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

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

   643         host_libstdcxx_flags+=("-lm")

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

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

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

   647         # Ditto libm on some Fedora boxen

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

   649         final_LDFLAGS+=("-lm")

   650     else

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

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

   653             # build script

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

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

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

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

   658             host_libstdcxx_flags+=("-lm")

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

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

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

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

   663             # Ditto libm on some Fedora boxen

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

   665             final_LDFLAGS+=("-lm")

   666         fi

   667     fi

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

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

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

   672     fi

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

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

   675     fi

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

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

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

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

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

   681             host_libstdcxx_flags+=("-lpwl")

   682         fi

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

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

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

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

   687     fi

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

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

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

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

   692     fi

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

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

   696     fi

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

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

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

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

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

   703         fi

   704     else

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

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

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

   708         else

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

   710         fi

   711     fi

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

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

   715     fi

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

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

   718     fi

   720     case "${CT_CC_GCC_LDBL_128}" in

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

   722         m)  ;;

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

   724     esac

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

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

   728     fi

   730     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   731         "") ;;

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

   733     esac

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

   736         extra_config+=( --enable-plugin )

   737     fi

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

   739         extra_config+=( --enable-gold )

   740     fi

   742     case "${CT_ARCH}" in

   743         mips)

   744             case "${CT_CC_GCC_mips_llsc}" in

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

   746                 m)  ;;

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

   748             esac

   749             case "${CT_CC_GCC_mips_synci}" in

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

   751                 m)  ;;

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

   753             esac

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

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

   756             fi

   757             ;; # ARCH is mips

   758     esac

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

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

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

   764     fi

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

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

   768     else

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

   770     fi

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

   774     CT_DoExecLog CFG                                \

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

   776     CFLAGS="${cflags}"                              \

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

   778     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   779     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   780     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

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

   782         --build=${CT_BUILD}                         \

   783         --host=${host}                              \

   784         --target=${CT_TARGET}                       \

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

   786         ${CC_SYSROOT_ARG}                           \

   787         "${extra_config[@]}"                        \

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

   789         --enable-c99                                \

   790         --enable-long-long                          \

   791         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

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

   794         CT_DoLog EXTRA "Building libiberty"

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

   796     fi

   798     CT_DoLog EXTRA "Building final compiler"

   799     CT_DoExecLog ALL make ${JOBSFLAGS} all

   801     CT_DoLog EXTRA "Installing final compiler"

   802     CT_DoExecLog ALL make ${JOBSFLAGS} install

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

   805         CT_DoLog EXTRA "Building the GCC manuals"

   806         CT_DoExecLog ALL make pdf html

   807         CT_DoLog EXTRA "Installing the GCC manuals"

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

   809     fi

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

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

   813     # check whether compiler has an extension

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

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

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

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

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

   820                        |tail -n +2 ) )

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

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

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

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

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

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

   827             done

   828         else

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

   830         fi

   831     fi

   832 }

author	Bryan Hundven <bryanhundven@gmail.com>
	Wed Aug 22 12:26:10 2012 -0700 (2012-08-22)
changeset 3043	ff167977b163
parent 3039	c87cc34319ab
child 3073	a6981147ccc0
permissions	-rw-r--r--