crosstool-ng: scripts/build/cc/gcc.sh@03ab39f149b4

     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 # Core gcc pass 1

    57 do_cc_core_pass_1() {

    58     # If we're building for bare metal, build the static core gcc,

    59     # with libgcc.

    60     # In case we're not bare metal and building a canadian compiler, do nothing

    61     # In case we're not bare metal, and we're NPTL, build the static core gcc.

    62     # In any other case, do nothing.

    63     case "${CT_BARE_METAL},${CT_CANADIAN},${CT_THREADS}" in

    64         y,*,*)  do_cc_core mode=static;;

    65         ,y,*)   ;;

    66         ,,nptl) do_cc_core mode=static;;

    67         *)      ;;

    68     esac

    69 }

    71 # Core gcc pass 2

    72 do_cc_core_pass_2() {

    73     # In case we're building for bare metal, do nothing, we already have

    74     # our compiler.

    75     # In case we're not bare metal and building a canadian compiler, do nothing

    76     # In case we're NPTL, build the shared core gcc and the target libgcc.

    77     # In any other case, build the static core gcc and, if using gcc-4.3+,

    78     # also build the target libgcc.

    79     case "${CT_BARE_METAL},${CT_CANADIAN},${CT_THREADS}" in

    80         y,*,*)

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

    82                 do_cc_core mode=baremetal build_libgcc=yes build_libstdcxx=yes build_staticlinked=yes build_manuals=yes

    83             else

    84                 do_cc_core mode=baremetal build_libgcc=yes build_libstdcxx=yes build_manuals=yes

    85             fi

    86             ;;

    87         ,y,*)   ;;

    88         ,,nptl)

    89             do_cc_core mode=shared build_libgcc=yes

    90             ;;

    91         ,,win32)

    92             do_cc_core mode=static build_libgcc=yes

    93             ;;

    94         *)  if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then

    95                 do_cc_core mode=static build_libgcc=yes

    96             else

    97                 do_cc_core mode=static

    98             fi

    99             ;;

   100     esac

   101 }

   103 #------------------------------------------------------------------------------

   104 # Build core gcc

   105 # This function is used to build both the static and the shared core C conpiler,

   106 # with or without the target libgcc. We need to know wether:

   107 #  - we're building static, shared or bare metal: mode=[static|shared|baremetal]

   108 #  - we need to build libgcc or not             : build_libgcc=[yes|no]       (default: no)

   109 #  - we need to build libstdc++ or not          : build_libstdcxx=[yes|no]    (default: no)

   110 #  - we need to build statically linked or not  : build_staticlinked=[yes|no] (default: no)

   111 # Usage: do_cc_core mode=[static|shared|baremetal] build_libgcc=[yes|no] build_staticlinked=[yes|no]

   112 do_cc_core() {

   113     local mode

   114     local build_libgcc=no

   115     local build_libstdcxx=no

   116     local build_staticlinked=no

   117     local build_manuals=no

   118     local core_prefix_dir

   119     local lang_opt

   120     local tmp

   121     local -a host_libstdcxx_flags

   122     local -a extra_config

   123     local -a core_LDFLAGS

   124     local -a core_targets

   126     while [ $# -ne 0 ]; do

   127         eval "${1// /\\ }"

   128         shift

   129     done

   131     lang_opt=c

   132     case "${mode}" in

   133         static)

   134             core_prefix_dir="${CT_CC_CORE_STATIC_PREFIX_DIR}"

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

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

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

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

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

   140             ;;

   141         shared)

   142             core_prefix_dir="${CT_CC_CORE_SHARED_PREFIX_DIR}"

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

   144             copy_headers=y

   145             ;;

   146         baremetal)

   147             core_prefix_dir="${CT_PREFIX_DIR}"

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

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

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

   151             [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"

   152             copy_headers=n

   153             ;;

   154         *)

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

   156             ;;

   157     esac

   159     CT_DoStep INFO "Installing ${mode} core C compiler"

   160     mkdir -p "${CT_BUILD_DIR}/build-cc-core-${mode}"

   161     cd "${CT_BUILD_DIR}/build-cc-core-${mode}"

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

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

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

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

   167     fi

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

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

   171         CT_DoExecLog ALL cp -a "${CT_HEADERS_DIR}" "${core_prefix_dir}/${CT_TARGET}/include"

   172     fi

   174     CT_DoLog EXTRA "Configuring ${mode} core C compiler"

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

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

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

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

   180         fi

   181     done

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

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

   184     else

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

   186     fi

   188     # *** WARNING ! ***

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

   190     # with the same block in do_cc, below.

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

   192         core_LDFLAGS+=("-static")

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

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

   195         host_libstdcxx_flags+=("-lm")

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

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

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

   199         # Ditto libm on some Fedora boxen

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

   201         core_LDFLAGS+=("-lm")

   202     else

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

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

   205             # build script

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

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

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

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

   210             host_libstdcxx_flags+=("-lm")

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

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

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

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

   215             # Ditto libm on some Fedora boxen

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

   217             core_LDFLAGS+=("-lm")

   218         fi

   219     fi

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

   222         extra_config+=("--with-gmp=${CT_COMPLIBS_DIR}")

   223         extra_config+=("--with-mpfr=${CT_COMPLIBS_DIR}")

   224     fi

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

   226         extra_config+=("--with-mpc=${CT_COMPLIBS_DIR}")

   227     fi

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

   229         extra_config+=("--with-ppl=${CT_COMPLIBS_DIR}")

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

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

   232             host_libstdcxx_flags+=("-L${CT_COMPLIBS_DIR}/lib")

   233             host_libstdcxx_flags+=("-lpwl")

   234         fi

   235         extra_config+=("--with-cloog=${CT_COMPLIBS_DIR}")

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

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

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

   239     fi

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

   241         extra_config+=("--with-libelf=${CT_COMPLIBS_DIR}")

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

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

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

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

   246     fi

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

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

   250     fi

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

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

   254     fi

   256     case "${CT_CC_GCC_LDBL_128}" in

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

   258         m)  ;;

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

   260     esac

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

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

   264     fi

   266     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   267         "") ;;

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

   269     esac

   271     case "${CT_ARCH}" in

   272         mips)

   273             case "${CT_CC_GCC_mips_llsc}" in

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

   275                 m)  ;;

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

   277             esac

   278             case "${CT_CC_GCC_mips_synci}" in

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

   280                 m)  ;;

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

   282             esac

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

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

   285             fi

   286             ;; # ARCH is mips

   287     esac

   289     extra_config+=(--disable-libgomp)

   290     extra_config+=(--disable-libmudflap)

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

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

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

   297     CT_DoExecLog CFG                                \

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

   299     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

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

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

   302         --build=${CT_BUILD}                         \

   303         --host=${CT_HOST}                           \

   304         --target=${CT_TARGET}                       \

   305         --prefix="${core_prefix_dir}"               \

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

   307         --disable-multilib                          \

   308         --disable-libmudflap                        \

   309         ${CC_CORE_SYSROOT_ARG}                      \

   310         "${extra_config[@]}"                        \

   311         --enable-languages="${lang_opt}"            \

   312         "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"

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

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

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

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

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

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

   320         # cross toolchain during the final gcc build.

   321         #

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

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

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

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

   326         #

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

   328         # so we configure then build it.

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

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

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

   332             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

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

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

   335             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   336         else

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

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

   339         fi

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

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

   342             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

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

   344         fi

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

   347         # and libgcc.mvars is used instead.

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

   350             libgcc_rule="libgcc.mvars"

   351             core_targets=( gcc target-libgcc )

   352         else

   353             libgcc_rule="libgcc.mk"

   354             core_targets=( gcc )

   355         fi

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

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

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

   360         # configurations.

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

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

   363                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   364         else

   365             repair_cc=""

   366         fi

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

   369                               ${repair_cc}

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

   371     else # build_libgcc

   372         core_targets=( gcc )

   373     fi   # ! build libgcc

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

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

   376        ]; then

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

   378     fi

   380     CT_DoLog EXTRA "Building ${mode} core C compiler"

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

   383     CT_DoLog EXTRA "Installing ${mode} core C compiler"

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

   386     if [ "${CT_BUILD_MANUALS}" = "y" -a "${build_manuals}" = "yes" ]; then

   387         CT_DoLog EXTRA "Building the GCC manuals"

   388         CT_DoExecLog ALL make pdf html

   389         CT_DoLog EXTRA "Installing the GCC manuals"

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

   391     fi

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

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

   395     # check whether compiler has an extension

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

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

   398     CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${core_prefix_dir}/bin/${CT_TARGET}-cc${ext}"

   400     CT_EndStep

   401 }

   403 #------------------------------------------------------------------------------

   404 # Build final gcc

   405 do_cc() {

   406     local -a host_libstdcxx_flags

   407     local -a extra_config

   408     local -a final_LDFLAGS

   409     local tmp

   411     # If building for bare metal, nothing to be done here, the static core conpiler is enough!

   412     [ "${CT_BARE_METAL}" = "y" ] && return 0

   414     CT_DoStep INFO "Installing final compiler"

   416     mkdir -p "${CT_BUILD_DIR}/build-cc"

   417     cd "${CT_BUILD_DIR}/build-cc"

   419     CT_DoLog EXTRA "Configuring final compiler"

   421     # Enable selected languages

   422     lang_opt="c"

   423     [ "${CT_CC_LANG_CXX}" = "y"      ] && lang_opt="${lang_opt},c++"

   424     [ "${CT_CC_LANG_FORTRAN}" = "y"  ] && lang_opt="${lang_opt},fortran"

   425     [ "${CT_CC_LANG_ADA}" = "y"      ] && lang_opt="${lang_opt},ada"

   426     [ "${CT_CC_LANG_JAVA}" = "y"     ] && lang_opt="${lang_opt},java"

   427     [ "${CT_CC_LANG_OBJC}" = "y"     ] && lang_opt="${lang_opt},objc"

   428     [ "${CT_CC_LANG_OBJCXX}" = "y"   ] && lang_opt="${lang_opt},obj-c++"

   429     CT_Test "Building ADA language is not yet supported. Will try..." "${CT_CC_LANG_ADA}" = "y"

   430     CT_Test "Building Objective-C language is not yet supported. Will try..." "${CT_CC_LANG_OBJC}" = "y"

   431     CT_Test "Building Objective-C++ language is not yet supported. Will try..." "${CT_CC_LANG_OBJCXX}" = "y"

   432     CT_Test "Building ${CT_CC_LANG_OTHERS//,/ } language(s) is not yet supported. Will try..." -n "${CT_CC_LANG_OTHERS}"

   433     lang_opt=$(echo "${lang_opt},${CT_CC_LANG_OTHERS}" |sed -r -e 's/,+/,/g; s/,*$//;')

   435     extra_config+=("--enable-languages=${lang_opt}")

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

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

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

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

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

   441         fi

   442     done

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

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

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

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

   448     fi

   449     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

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

   451         m)  ;;

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

   453     esac

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

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

   456     else

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

   458     fi

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

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

   461     fi

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

   463         extra_config+=(--enable-libmudflap)

   464     else

   465         extra_config+=(--disable-libmudflap)

   466     fi

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

   468         extra_config+=(--enable-libgomp)

   469     else

   470         extra_config+=(--disable-libgomp)

   471     fi

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

   473         extra_config+=(--enable-libssp)

   474     else

   475         extra_config+=(--disable-libssp)

   476     fi

   478     # *** WARNING ! ***

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

   480     # with the same block in do_cc_core, above.

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

   482         final_LDFLAGS+=("-static")

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

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

   485         host_libstdcxx_flags+=("-lm")

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

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

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

   489         # Ditto libm on some Fedora boxen

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

   491         final_LDFLAGS+=("-lm")

   492     else

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

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

   495             # build script

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

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

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

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

   500             host_libstdcxx_flags+=("-lm")

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

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

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

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

   505             # Ditto libm on some Fedora boxen

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

   507             final_LDFLAGS+=("-lm")

   508         fi

   509     fi

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

   512         extra_config+=("--with-gmp=${CT_COMPLIBS_DIR}")

   513         extra_config+=("--with-mpfr=${CT_COMPLIBS_DIR}")

   514     fi

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

   516         extra_config+=("--with-mpc=${CT_COMPLIBS_DIR}")

   517     fi

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

   519         extra_config+=("--with-ppl=${CT_COMPLIBS_DIR}")

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

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

   522             host_libstdcxx_flags+=("-L${CT_COMPLIBS_DIR}/lib")

   523             host_libstdcxx_flags+=("-lpwl")

   524         fi

   525         extra_config+=("--with-cloog=${CT_COMPLIBS_DIR}")

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

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

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

   529     fi

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

   531         extra_config+=("--with-libelf=${CT_COMPLIBS_DIR}")

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

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

   534     fi

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

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

   538     fi

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

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

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

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

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

   545         fi

   546     else

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

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

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

   550         else

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

   552         fi

   553     fi

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

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

   557     fi

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

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

   560     fi

   562     case "${CT_CC_GCC_LDBL_128}" in

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

   564         m)  ;;

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

   566     esac

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

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

   570     fi

   572     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   573         "") ;;

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

   575     esac

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

   578         extra_config+=( --enable-plugin )

   579     fi

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

   581         extra_config+=( --enable-gold )

   582     fi

   584     case "${CT_ARCH}" in

   585         mips)

   586             case "${CT_CC_GCC_mips_llsc}" in

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

   588                 m)  ;;

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

   590             esac

   591             case "${CT_CC_GCC_mips_synci}" in

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

   593                 m)  ;;

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

   595             esac

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

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

   598             fi

   599             ;; # ARCH is mips

   600     esac

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

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

   606     CT_DoExecLog CFG                                \

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

   608     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

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

   610     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   611     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   612     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

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

   614         --build=${CT_BUILD}                         \

   615         --host=${CT_HOST}                           \

   616         --target=${CT_TARGET}                       \

   617         --prefix="${CT_PREFIX_DIR}"                 \

   618         ${CC_SYSROOT_ARG}                           \

   619         "${extra_config[@]}"                        \

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

   621         --enable-c99                                \

   622         --enable-long-long                          \

   623         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

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

   626         CT_DoLog EXTRA "Building libiberty"

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

   628     fi

   630     CT_DoLog EXTRA "Building final compiler"

   631     CT_DoExecLog ALL make ${JOBSFLAGS} all

   633     CT_DoLog EXTRA "Installing final compiler"

   634     CT_DoExecLog ALL make ${JOBSFLAGS} install

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

   637         CT_DoLog EXTRA "Building the GCC manuals"

   638         CT_DoExecLog ALL make ${JOBSFLAGS} pdf html

   639         CT_DoLog EXTRA "Installing the GCC manuals"

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

   641     fi

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

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

   645     # check whether compiler has an extension

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

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

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

   650     CT_EndStep

   651 }

author	Zhenqiang Chen <zhenqiang.chen@linaro.org>
	Thu Nov 17 18:00:28 2011 +0800 (2011-11-17)
changeset 2780	03ab39f149b4
parent 2765	6c5658b8b588
child 2782	e3e1c9d45bdd
permissions	-rw-r--r--