crosstool-ng: scripts/build/cc/gcc.sh@c87cc34319ab

     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!

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

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

    24     # subdirectory!

    25     CT_GetFile "gcc-${CT_CC_VERSION}"                                                       \

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

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

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

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

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

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

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

    34     # put it there ourselves

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

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

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

    38     fi

    39 }

    41 # Extract gcc

    42 do_cc_extract() {

    43     CT_Extract "gcc-${CT_CC_VERSION}"

    44     CT_Patch "gcc" "${CT_CC_VERSION}"

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

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

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

    49        ]; then

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

    51     fi

    52 }

    54 #------------------------------------------------------------------------------

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

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

    57 cc_gcc_lang_list() {

    58     local lang_list

    60     lang_list="c"

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

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

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

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

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

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

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

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

    70 }

    72 #------------------------------------------------------------------------------

    73 # Core gcc pass 1

    74 do_cc_core_pass_1() {

    75     local -a core_opts

    77     core_opts+=( "mode=static" )

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

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

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

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

    82     core_opts+=( "lang_list=c" )

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

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

    87     do_cc_core_backend "${core_opts[@]}"

    89     CT_Popd

    90     CT_EndStep

    91 }

    93 # Core gcc pass 2

    94 do_cc_core_pass_2() {

    95     local -a core_opts

    97     # Common options:

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

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

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

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

   102     core_opts+=( "lang_list=c" )

   104     # Different conditions are at stake here:

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

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

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

   108     #     later, we need to build libgcc

   109     case "${CT_THREADS}" in

   110         nptl)

   111             core_opts+=( "mode=shared" )

   112             core_opts+=( "build_libgcc=yes" )

   113             ;;

   114         win32)

   115             core_opts+=( "mode=static" )

   116             core_opts+=( "build_libgcc=yes" )

   117             ;;

   118         *)

   119             core_opts+=( "mode=static" )

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

   121                 core_opts+=( "build_libgcc=yes" )

   122             fi

   123             ;;

   124     esac

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

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

   129     do_cc_core_backend "${core_opts[@]}"

   131     CT_Popd

   132     CT_EndStep

   133 }

   135 #------------------------------------------------------------------------------

   136 # Build core gcc

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

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

   139 #   Parameter           : Definition                                : Type      : Default

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

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

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

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

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

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

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

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

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

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

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

   151 do_cc_core_backend() {

   152     local mode

   153     local build_libgcc=no

   154     local build_libstdcxx=no

   155     local build_staticlinked=no

   156     local build_manuals=no

   157     local host

   158     local prefix

   159     local complibs

   160     local lang_list

   161     local cflags

   162     local tmp

   163     local -a host_libstdcxx_flags

   164     local -a extra_config

   165     local -a core_LDFLAGS

   166     local -a core_targets

   167     local arg

   169     for arg in "$@"; do

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

   171     done

   173     CT_DoLog EXTRA "Configuring core C compiler"

   175     case "${mode}" in

   176         static)

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

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

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

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

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

   182             ;;

   183         shared)

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

   185             copy_headers=y

   186             ;;

   187         baremetal)

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

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

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

   191             copy_headers=n

   192             ;;

   193         *)

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

   195             ;;

   196     esac

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

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

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

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

   202     fi

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

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

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

   207     fi

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

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

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

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

   213         fi

   214     done

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

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

   217     else

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

   219     fi

   221     # *** WARNING ! ***

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

   223     # with the same block in do_cc, below.

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

   225         core_LDFLAGS+=("-static")

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

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

   228         host_libstdcxx_flags+=("-lm")

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

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

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

   232         # Ditto libm on some Fedora boxen

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

   234         core_LDFLAGS+=("-lm")

   235     else

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

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

   238             # build script

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

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

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

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

   243             host_libstdcxx_flags+=("-lm")

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

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

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

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

   248             # Ditto libm on some Fedora boxen

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

   250             core_LDFLAGS+=("-lm")

   251         fi

   252     fi

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

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

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

   257     fi

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

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

   260     fi

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

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

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

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

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

   266             host_libstdcxx_flags+=("-lpwl")

   267         fi

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

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

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

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

   272     fi

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

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

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

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

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

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

   279     fi

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

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

   283     fi

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

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

   287     fi

   289     case "${CT_CC_GCC_LDBL_128}" in

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

   291         m)  ;;

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

   293     esac

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

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

   297     fi

   299     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   300         "") ;;

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

   302     esac

   304     case "${CT_ARCH}" in

   305         mips)

   306             case "${CT_CC_GCC_mips_llsc}" in

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

   308                 m)  ;;

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

   310             esac

   311             case "${CT_CC_GCC_mips_synci}" in

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

   313                 m)  ;;

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

   315             esac

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

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

   318             fi

   319             ;; # ARCH is mips

   320     esac

   322     extra_config+=(--disable-libgomp)

   323     extra_config+=(--disable-libmudflap)

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

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

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

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

   331     fi

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

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

   335     else

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

   337     fi

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

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

   342     CT_DoExecLog CFG                                \

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

   344     CFLAGS="${cflags}"                              \

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

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

   347         --build=${CT_BUILD}                         \

   348         --host=${host}                              \

   349         --target=${CT_TARGET}                       \

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

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

   352         --disable-libmudflap                        \

   353         ${CC_CORE_SYSROOT_ARG}                      \

   354         "${extra_config[@]}"                        \

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

   356         "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"

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

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

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

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

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

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

   364         # cross toolchain during the final gcc build.

   365         #

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

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

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

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

   370         #

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

   372         # so we configure then build it.

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

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

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

   376             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

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

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

   379             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   380         else

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

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

   383         fi

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

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

   386             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

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

   388         fi

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

   391         # and libgcc.mvars is used instead.

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

   394             libgcc_rule="libgcc.mvars"

   395             core_targets=( gcc target-libgcc )

   396         else

   397             libgcc_rule="libgcc.mk"

   398             core_targets=( gcc )

   399         fi

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

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

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

   404         # configurations.

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

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

   407                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   408         else

   409             repair_cc=""

   410         fi

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

   413                               ${repair_cc}

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

   415     else # build_libgcc

   416         core_targets=( gcc )

   417     fi   # ! build libgcc

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

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

   420        ]; then

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

   422     fi

   424     CT_DoLog EXTRA "Building core C compiler"

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

   427     CT_DoLog EXTRA "Installing core C compiler"

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

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

   431         CT_DoLog EXTRA "Building the GCC manuals"

   432         CT_DoExecLog ALL make pdf html

   433         CT_DoLog EXTRA "Installing the GCC manuals"

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

   435     fi

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

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

   439     # check whether compiler has an extension

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

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

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

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

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

   446                        |tail -n +2 ) )

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

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

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

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

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

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

   453             done

   454         else

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

   456         fi

   457     fi

   458 }

   460 #------------------------------------------------------------------------------

   461 # Build complete gcc to run on build

   462 do_cc_for_build() {

   463     local -a build_final_opts

   464     local build_final_backend

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

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

   468     # Otherwise, there is nothing to do.

   469     case "${CT_TOOLCHAIN_TYPE}" in

   470         native|cross)   return 0;;

   471     esac

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

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

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

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

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

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

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

   480         build_final_opts+=( "mode=baremetal" )

   481         build_final_opts+=( "build_libgcc=yes" )

   482         build_final_opts+=( "build_libstdcxx=yes" )

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

   484             build_final_opts+=( "build_staticlinked=yes" )

   485         fi

   486         build_final_backend=do_cc_core_backend

   487     else

   488         build_final_backend=do_cc_backend

   489     fi

   491     CT_DoStep INFO "Installing final compiler for build"

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

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

   496     CT_Popd

   497     CT_EndStep

   498 }

   500 #------------------------------------------------------------------------------

   501 # Build final gcc to run on host

   502 do_cc_for_host() {

   503     local -a final_opts

   504     local final_backend

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

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

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

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

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

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

   512         final_opts+=( "build_manuals=yes" )

   513     fi

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

   515         final_opts+=( "mode=baremetal" )

   516         final_opts+=( "build_libgcc=yes" )

   517         final_opts+=( "build_libstdcxx=yes" )

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

   519             final_opts+=( "build_staticlinked=yes" )

   520         fi

   521         final_backend=do_cc_core_backend

   522     else

   523         final_backend=do_cc_backend

   524     fi

   526     CT_DoStep INFO "Installing final compiler"

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

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

   531     CT_Popd

   532     CT_EndStep

   533 }

   535 #------------------------------------------------------------------------------

   536 # Build the final gcc

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

   538 #   Parameter     : Definition                          : Type      : Default

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

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

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

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

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

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

   545 do_cc_backend() {

   546     local host

   547     local prefix

   548     local complibs

   549     local cflags

   550     local lang_list

   551     local build_manuals

   552     local -a host_libstdcxx_flags

   553     local -a extra_config

   554     local -a final_LDFLAGS

   555     local tmp

   556     local arg

   558     for arg in "$@"; do

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

   560     done

   562     CT_DoLog EXTRA "Configuring final compiler"

   564     # Enable selected languages

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

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

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

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

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

   571         fi

   572     done

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

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

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

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

   578     fi

   579     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

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

   581         m)  ;;

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

   583     esac

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

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

   586     else

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

   588     fi

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

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

   591     fi

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

   593         extra_config+=(--enable-libmudflap)

   594     else

   595         extra_config+=(--disable-libmudflap)

   596     fi

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

   598         extra_config+=(--enable-libgomp)

   599     else

   600         extra_config+=(--disable-libgomp)

   601     fi

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

   603         extra_config+=(--enable-libssp)

   604     else

   605         extra_config+=(--disable-libssp)

   606     fi

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

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

   609             extra_config+=(--enable-libquadmath)

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

   611         else

   612             extra_config+=(--disable-libquadmath)

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

   614         fi

   615     fi

   617     # *** WARNING ! ***

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

   619     # with the same block in do_cc_core, above.

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

   621         final_LDFLAGS+=("-static")

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

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

   624         host_libstdcxx_flags+=("-lm")

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

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

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

   628         # Ditto libm on some Fedora boxen

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

   630         final_LDFLAGS+=("-lm")

   631     else

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

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

   634             # build script

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

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

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

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

   639             host_libstdcxx_flags+=("-lm")

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

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

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

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

   644             # Ditto libm on some Fedora boxen

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

   646             final_LDFLAGS+=("-lm")

   647         fi

   648     fi

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

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

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

   653     fi

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

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

   656     fi

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

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

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

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

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

   662             host_libstdcxx_flags+=("-lpwl")

   663         fi

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

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

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

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

   668     fi

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

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

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

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

   673     fi

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

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

   677     fi

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

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

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

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

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

   684         fi

   685     else

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

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

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

   689         else

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

   691         fi

   692     fi

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

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

   696     fi

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

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

   699     fi

   701     case "${CT_CC_GCC_LDBL_128}" in

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

   703         m)  ;;

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

   705     esac

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

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

   709     fi

   711     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   712         "") ;;

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

   714     esac

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

   717         extra_config+=( --enable-plugin )

   718     fi

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

   720         extra_config+=( --enable-gold )

   721     fi

   723     case "${CT_ARCH}" in

   724         mips)

   725             case "${CT_CC_GCC_mips_llsc}" in

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

   727                 m)  ;;

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

   729             esac

   730             case "${CT_CC_GCC_mips_synci}" in

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

   732                 m)  ;;

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

   734             esac

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

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

   737             fi

   738             ;; # ARCH is mips

   739     esac

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

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

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

   745     fi

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

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

   749     else

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

   751     fi

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

   755     CT_DoExecLog CFG                                \

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

   757     CFLAGS="${cflags}"                              \

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

   759     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   760     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   761     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

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

   763         --build=${CT_BUILD}                         \

   764         --host=${host}                              \

   765         --target=${CT_TARGET}                       \

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

   767         ${CC_SYSROOT_ARG}                           \

   768         "${extra_config[@]}"                        \

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

   770         --enable-c99                                \

   771         --enable-long-long                          \

   772         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

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

   775         CT_DoLog EXTRA "Building libiberty"

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

   777     fi

   779     CT_DoLog EXTRA "Building final compiler"

   780     CT_DoExecLog ALL make ${JOBSFLAGS} all

   782     CT_DoLog EXTRA "Installing final compiler"

   783     CT_DoExecLog ALL make ${JOBSFLAGS} install

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

   786         CT_DoLog EXTRA "Building the GCC manuals"

   787         CT_DoExecLog ALL make pdf html

   788         CT_DoLog EXTRA "Installing the GCC manuals"

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

   790     fi

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

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

   794     # check whether compiler has an extension

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

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

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

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

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

   801                        |tail -n +2 ) )

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

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

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

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

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

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

   808             done

   809         else

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

   811         fi

   812     fi

   813 }

author	"Yann E. MORIN" <yann.morin.1998@free.fr>
	Wed Aug 22 18:08:39 2012 +0200 (2012-08-22)
changeset 3039	c87cc34319ab
parent 3027	1ced7cc63576
child 3043	ff167977b163
permissions	-rw-r--r--