crosstool-ng: scripts/build/cc/gcc.sh@64fe22ca6e6f

     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

    83             else

    84                 do_cc_core mode=baremetal build_libgcc=yes build_libstdcxx=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 core_prefix_dir

   118     local lang_opt

   119     local tmp

   120     local -a host_libstdcxx_flags

   121     local -a extra_config

   122     local -a core_LDFLAGS

   123     local -a core_targets

   125     while [ $# -ne 0 ]; do

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

   127         shift

   128     done

   130     lang_opt=c

   131     case "${mode}" in

   132         static)

   133             core_prefix_dir="${CT_CC_CORE_STATIC_PREFIX_DIR}"

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

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

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

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

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

   139             ;;

   140         shared)

   141             core_prefix_dir="${CT_CC_CORE_SHARED_PREFIX_DIR}"

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

   143             copy_headers=y

   144             ;;

   145         baremetal)

   146             core_prefix_dir="${CT_PREFIX_DIR}"

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

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

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

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

   151             copy_headers=n

   152             ;;

   153         *)

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

   155             ;;

   156     esac

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

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

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

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

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

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

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

   166     fi

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

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

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

   171     fi

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

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

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

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

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

   179         fi

   180     done

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

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

   183     else

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

   185     fi

   187     # *** WARNING ! ***

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

   189     # with the same block in do_cc, below.

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

   191         core_LDFLAGS+=("-static")

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

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

   194         host_libstdcxx_flags+=("-lm")

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

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

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

   198         # Ditto libm on some Fedora boxen

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

   200         core_LDFLAGS+=("-lm")

   201     else

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

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

   204             # build script

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

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

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

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

   209             host_libstdcxx_flags+=("-lm")

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

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

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

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

   214             # Ditto libm on some Fedora boxen

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

   216             core_LDFLAGS+=("-lm")

   217         fi

   218     fi

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

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

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

   223     fi

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

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

   226     fi

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

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

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

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

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

   232             host_libstdcxx_flags+=("-lpwl")

   233         fi

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

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

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

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

   238     fi

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

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

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

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

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

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

   245     fi

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

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

   249     fi

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

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

   253     fi

   255     case "${CT_CC_GCC_LDBL_128}" in

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

   257         m)  ;;

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

   259     esac

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

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

   263     fi

   265     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   266         "") ;;

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

   268     esac

   270     case "${CT_ARCH}" in

   271         mips)

   272             case "${CT_CC_GCC_mips_llsc}" in

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

   274                 m)  ;;

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

   276             esac

   277             case "${CT_CC_GCC_mips_synci}" in

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

   279                 m)  ;;

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

   281             esac

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

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

   284             fi

   285             ;; # ARCH is mips

   286     esac

   288     extra_config+=(--disable-libgomp)

   289     extra_config+=(--disable-libmudflap)

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

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

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

   296     CT_DoExecLog CFG                                \

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

   298     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

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

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

   301         --build=${CT_BUILD}                         \

   302         --host=${CT_HOST}                           \

   303         --target=${CT_TARGET}                       \

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

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

   306         --disable-multilib                          \

   307         --disable-libmudflap                        \

   308         ${CC_CORE_SYSROOT_ARG}                      \

   309         "${extra_config[@]}"                        \

   310         --disable-nls                               \

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

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

   388     # check whether compiler has an extension

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

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

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

   393     CT_EndStep

   394 }

   396 #------------------------------------------------------------------------------

   397 # Build final gcc

   398 do_cc() {

   399     local -a host_libstdcxx_flags

   400     local -a extra_config

   401     local -a final_LDFLAGS

   402     local tmp

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

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

   407     CT_DoStep INFO "Installing final compiler"

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

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

   412     CT_DoLog EXTRA "Configuring final compiler"

   414     # Enable selected languages

   415     lang_opt="c"

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

   434         fi

   435     done

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

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

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

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

   441     fi

   442     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

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

   444         m)  ;;

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

   446     esac

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

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

   449     else

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

   451     fi

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

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

   454     fi

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

   456         extra_config+=(--enable-libmudflap)

   457     else

   458         extra_config+=(--disable-libmudflap)

   459     fi

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

   461         extra_config+=(--enable-libgomp)

   462     else

   463         extra_config+=(--disable-libgomp)

   464     fi

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

   466         extra_config+=(--enable-libssp)

   467     else

   468         extra_config+=(--disable-libssp)

   469     fi

   471     # *** WARNING ! ***

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

   473     # with the same block in do_cc_core, above.

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

   475         final_LDFLAGS+=("-static")

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

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

   478         host_libstdcxx_flags+=("-lm")

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

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

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

   482         # Ditto libm on some Fedora boxen

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

   484         final_LDFLAGS+=("-lm")

   485     else

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

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

   488             # build script

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

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

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

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

   493             host_libstdcxx_flags+=("-lm")

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

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

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

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

   498             # Ditto libm on some Fedora boxen

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

   500             final_LDFLAGS+=("-lm")

   501         fi

   502     fi

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

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

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

   507     fi

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

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

   510     fi

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

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

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

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

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

   516             host_libstdcxx_flags+=("-lpwl")

   517         fi

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

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

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

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

   522     fi

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

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

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

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

   527     fi

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

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

   531     fi

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

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

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

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

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

   538         fi

   539     else

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

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

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

   543         else

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

   545         fi

   546     fi

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

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

   550     fi

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

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

   553     fi

   555     case "${CT_CC_GCC_LDBL_128}" in

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

   557         m)  ;;

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

   559     esac

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

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

   563     fi

   565     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   566         "") ;;

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

   568     esac

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

   571         extra_config+=( --enable-plugin )

   572     fi

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

   574         extra_config+=( --enable-gold )

   575     fi

   577     case "${CT_ARCH}" in

   578         mips)

   579             case "${CT_CC_GCC_mips_llsc}" in

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

   581                 m)  ;;

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

   583             esac

   584             case "${CT_CC_GCC_mips_synci}" in

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

   586                 m)  ;;

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

   588             esac

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

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

   591             fi

   592             ;; # ARCH is mips

   593     esac

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

   597     # --disable-nls to work around crash bug on ppc405, but also because

   598     # embedded systems don't really need message catalogs...

   599     CT_DoExecLog CFG                                \

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

   601     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

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

   603     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   604     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   605     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

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

   607         --build=${CT_BUILD}                         \

   608         --host=${CT_HOST}                           \

   609         --target=${CT_TARGET}                       \

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

   611         ${CC_SYSROOT_ARG}                           \

   612         "${extra_config[@]}"                        \

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

   614         --disable-nls                               \

   615         --enable-c99                                \

   616         --enable-long-long                          \

   617         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

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

   620         CT_DoLog EXTRA "Building libiberty"

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

   622     fi

   624     CT_DoLog EXTRA "Building final compiler"

   625     CT_DoExecLog ALL make ${JOBSFLAGS} all

   627     CT_DoLog EXTRA "Installing final compiler"

   628     CT_DoExecLog ALL make ${JOBSFLAGS} install

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

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

   632     # check whether compiler has an extension

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

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

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

   637     CT_EndStep

   638 }

author	Zhenqiang Chen <zhenqiang.chen@linaro.org>
	Fri Nov 18 11:32:50 2011 +0800 (2011-11-18)
branch	1.13
changeset 2841	64fe22ca6e6f
parent 2676	af542a04bf69
permissions	-rw-r--r--