crosstool-ng: scripts/build/cc/gcc.sh@4c63ce24fccd

     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"

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

    12         CT_GetCustom "gcc" "${CT_CC_VERSION}" "${CT_CC_CUSTOM_LOCATION}"

    13     else

    14         # Account for the Linaro versioning

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

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

    17                          )"

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

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

    20                         )"

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

    23         # subdirectories of the same name!

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

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

    26         # subdirectory!

    27         CT_GetFile "gcc-${CT_CC_VERSION}"                                                       \

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

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

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

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

    33     fi # ! custom location

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

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

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

    37     # put it there ourselves

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

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

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

    41     fi

    42 }

    44 # Extract gcc

    45 do_cc_extract() {

    46     # If using custom directory location, nothing to do

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

    48          -a -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}" ]; then

    49         return 0

    50     fi

    52     CT_Extract "gcc-${CT_CC_VERSION}"

    53     CT_Patch "gcc" "${CT_CC_VERSION}"

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

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

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

    58        ]; then

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

    60     fi

    61 }

    63 #------------------------------------------------------------------------------

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

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

    66 cc_gcc_lang_list() {

    67     local lang_list

    69     lang_list="c"

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

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

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

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

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

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

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

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

    79 }

    81 #------------------------------------------------------------------------------

    82 # Core gcc pass 1

    83 do_cc_core_pass_1() {

    84     local -a core_opts

    86     if [ "${CT_CC_CORE_PASSES_NEEDED}" != "y" ]; then

    87         return 0

    88     fi

    90     core_opts+=( "mode=static" )

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

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

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

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

    95     core_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )

    96     core_opts+=( "lang_list=c" )

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

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

   101     do_cc_core_backend "${core_opts[@]}"

   103     CT_Popd

   104     CT_EndStep

   105 }

   107 # Core gcc pass 2

   108 do_cc_core_pass_2() {

   109     local -a core_opts

   111     if [ "${CT_CC_CORE_PASSES_NEEDED}" != "y" ]; then

   112         return 0

   113     fi

   115     # Common options:

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

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

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

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

   120     core_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )

   121     core_opts+=( "lang_list=c" )

   123     # Different conditions are at stake here:

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

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

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

   127     #     later, we need to build libgcc

   128     case "${CT_THREADS}" in

   129         nptl)

   130             core_opts+=( "mode=shared" )

   131             core_opts+=( "build_libgcc=yes" )

   132             ;;

   133         win32)

   134             core_opts+=( "mode=static" )

   135             core_opts+=( "build_libgcc=yes" )

   136             ;;

   137         *)

   138             core_opts+=( "mode=static" )

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

   140                 core_opts+=( "build_libgcc=yes" )

   141             fi

   142             ;;

   143     esac

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

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

   148     do_cc_core_backend "${core_opts[@]}"

   150     CT_Popd

   151     CT_EndStep

   152 }

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

   155 # Build core gcc

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

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

   158 #   Parameter           : Definition                                : Type      : Default

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

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

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

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

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

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

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

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

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

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

   169 #   ldflags             : ldflags to use                            : string    : (empty)

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

   171 do_cc_core_backend() {

   172     local mode

   173     local build_libgcc=no

   174     local build_libstdcxx=no

   175     local build_staticlinked=no

   176     local build_manuals=no

   177     local host

   178     local prefix

   179     local complibs

   180     local lang_list

   181     local cflags

   182     local ldflags

   183     local tmp

   184     local -a host_libstdcxx_flags

   185     local -a extra_config

   186     local -a core_LDFLAGS

   187     local -a core_targets

   188     local arg

   190     for arg in "$@"; do

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

   192     done

   194     CT_DoLog EXTRA "Configuring gcc"

   196     case "${mode}" in

   197         static)

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

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

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

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

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

   203             ;;

   204         shared)

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

   206             copy_headers=y

   207             ;;

   208         baremetal)

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

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

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

   212             copy_headers=n

   213             ;;

   214         *)

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

   216             ;;

   217     esac

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

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

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

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

   223     fi

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

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

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

   228     fi

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

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

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

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

   234         fi

   235     done

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

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

   238     else

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

   240     fi

   242     core_LDFLAGS+=("${ldflags}")

   244     # *** WARNING ! ***

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

   246     # with the same block in do_cc, below.

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

   248         core_LDFLAGS+=("-static")

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

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

   251         host_libstdcxx_flags+=("-lm")

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

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

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

   255         # Ditto libm on some Fedora boxen

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

   257         core_LDFLAGS+=("-lm")

   258     else

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

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

   261             # build script

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

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

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

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

   266             host_libstdcxx_flags+=("-lm")

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

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

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

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

   271             # Ditto libm on some Fedora boxen

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

   273             core_LDFLAGS+=("-lm")

   274         fi

   275     fi

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

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

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

   280     fi

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

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

   283     fi

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

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

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

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

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

   289             host_libstdcxx_flags+=("-lpwl")

   290         fi

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

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

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

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

   295     fi

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

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

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

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

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

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

   302     fi

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

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

   306     fi

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

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

   310     fi

   312     case "${CT_CC_GCC_LDBL_128}" in

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

   314         m)  ;;

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

   316     esac

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

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

   320     fi

   322     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   323         "") ;;

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

   325     esac

   327     case "${CT_ARCH}" in

   328         mips)

   329             case "${CT_CC_GCC_mips_llsc}" in

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

   331                 m)  ;;

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

   333             esac

   334             case "${CT_CC_GCC_mips_synci}" in

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

   336                 m)  ;;

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

   338             esac

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

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

   341             fi

   342             ;; # ARCH is mips

   343     esac

   345     extra_config+=(--disable-libgomp)

   346     extra_config+=(--disable-libmudflap)

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

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

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

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

   354     fi

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

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

   358     else

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

   360     fi

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

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

   365     CT_DoExecLog CFG                                \

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

   367     CFLAGS="${cflags}"                              \

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

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

   370         --build=${CT_BUILD}                         \

   371         --host=${host}                              \

   372         --target=${CT_TARGET}                       \

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

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

   375         --disable-libmudflap                        \

   376         ${CC_CORE_SYSROOT_ARG}                      \

   377         "${extra_config[@]}"                        \

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

   379         "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"

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

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

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

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

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

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

   387         # cross toolchain during the final gcc build.

   388         #

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

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

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

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

   393         #

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

   395         # so we configure then build it.

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

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

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

   399             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

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

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

   402             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   403         else

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

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

   406         fi

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

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

   409             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

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

   411         fi

   412         # HACK: gcc-4.8 uses libbacktrace to make libgcc.mvars, so make it here.

   413         if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libbacktrace" ]; then

   414             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libbacktrace

   415             CT_DoExecLog ALL make ${JOBSFLAGS} -C libbacktrace

   416         fi

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

   419         # and libgcc.mvars is used instead.

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

   422             libgcc_rule="libgcc.mvars"

   423             core_targets=( gcc target-libgcc )

   424         else

   425             libgcc_rule="libgcc.mk"

   426             core_targets=( gcc )

   427         fi

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

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

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

   432         # configurations.

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

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

   435                        CXX_FOR_BUILD=${CT_BUILD}-g++ \

   436                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   437         else

   438             repair_cc=""

   439         fi

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

   442                               ${repair_cc}

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

   444     else # build_libgcc

   445         core_targets=( gcc )

   446     fi   # ! build libgcc

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

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

   449        ]; then

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

   451     fi

   453     CT_DoLog EXTRA "Building gcc"

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

   456     CT_DoLog EXTRA "Installing gcc"

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

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

   460         CT_DoLog EXTRA "Building the GCC manuals"

   461         CT_DoExecLog ALL make pdf html

   462         CT_DoLog EXTRA "Installing the GCC manuals"

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

   464     fi

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

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

   468     # check whether compiler has an extension

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

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

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

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

   474         if [ "${CT_CANADIAN}" = "y" -a "${mode}" = "baremetal" \

   475              -a "${host}" = "${CT_HOST}" ]; then

   476             CT_DoLog WARN "Canadian Cross unable to confirm multilibs configured correctly"

   477         else

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

   479                            |tail -n +2 ) )

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

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

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

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

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

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

   486                 done

   487             else

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

   489            fi

   490         fi

   491     fi

   492 }

   494 #------------------------------------------------------------------------------

   495 # Build complete gcc to run on build

   496 do_cc_for_build() {

   497     local -a build_final_opts

   498     local build_final_backend

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

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

   502     # Otherwise, there is nothing to do.

   503     case "${CT_TOOLCHAIN_TYPE}" in

   504         native|cross)   return 0;;

   505     esac

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

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

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

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

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

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

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

   514         build_final_opts+=( "mode=baremetal" )

   515         build_final_opts+=( "build_libgcc=yes" )

   516         build_final_opts+=( "build_libstdcxx=yes" )

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

   518             build_final_opts+=( "build_staticlinked=yes" )

   519         fi

   520         build_final_backend=do_cc_core_backend

   521     else

   522         build_final_backend=do_cc_backend

   523     fi

   525     CT_DoStep INFO "Installing final compiler for build"

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

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

   530     CT_Popd

   531     CT_EndStep

   532 }

   534 #------------------------------------------------------------------------------

   535 # Build final gcc to run on host

   536 do_cc_for_host() {

   537     local -a final_opts

   538     local final_backend

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

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

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

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

   544     final_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )

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

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

   547         final_opts+=( "build_manuals=yes" )

   548     fi

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

   550         final_opts+=( "mode=baremetal" )

   551         final_opts+=( "build_libgcc=yes" )

   552         final_opts+=( "build_libstdcxx=yes" )

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

   554             final_opts+=( "build_staticlinked=yes" )

   555         fi

   556         final_backend=do_cc_core_backend

   557     else

   558         final_backend=do_cc_backend

   559     fi

   561     CT_DoStep INFO "Installing final compiler"

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

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

   566     CT_Popd

   567     CT_EndStep

   568 }

   570 #------------------------------------------------------------------------------

   571 # Build the final gcc

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

   573 #   Parameter     : Definition                          : Type      : Default

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

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

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

   577 #   cflags        : cflags to use                       : string    : (empty)

   578 #   ldflags       : ldflags to use                      : string    : (empty)

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

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

   581 do_cc_backend() {

   582     local host

   583     local prefix

   584     local complibs

   585     local cflags

   586     local ldflags

   587     local lang_list

   588     local build_manuals

   589     local -a host_libstdcxx_flags

   590     local -a extra_config

   591     local -a final_LDFLAGS

   592     local tmp

   593     local arg

   595     for arg in "$@"; do

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

   597     done

   599     CT_DoLog EXTRA "Configuring gcc"

   601     # Enable selected languages

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

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

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

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

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

   608         fi

   609     done

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

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

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

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

   615     fi

   616     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

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

   618         m)  ;;

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

   620     esac

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

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

   623     else

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

   625     fi

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

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

   628     fi

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

   630         extra_config+=(--enable-libmudflap)

   631     else

   632         extra_config+=(--disable-libmudflap)

   633     fi

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

   635         extra_config+=(--enable-libgomp)

   636     else

   637         extra_config+=(--disable-libgomp)

   638     fi

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

   640         extra_config+=(--enable-libssp)

   641     else

   642         extra_config+=(--disable-libssp)

   643     fi

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

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

   646             extra_config+=(--enable-libquadmath)

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

   648         else

   649             extra_config+=(--disable-libquadmath)

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

   651         fi

   652     fi

   654     final_LDFLAGS+=("${ldflags}")

   656     # *** WARNING ! ***

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

   658     # with the same block in do_cc_core, above.

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

   660         final_LDFLAGS+=("-static")

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

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

   663         host_libstdcxx_flags+=("-lm")

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

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

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

   667         # Ditto libm on some Fedora boxen

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

   669         final_LDFLAGS+=("-lm")

   670     else

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

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

   673             # build script

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

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

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

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

   678             host_libstdcxx_flags+=("-lm")

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

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

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

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

   683             # Ditto libm on some Fedora boxen

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

   685             final_LDFLAGS+=("-lm")

   686         fi

   687     fi

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

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

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

   692     fi

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

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

   695     fi

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

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

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

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

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

   701             host_libstdcxx_flags+=("-lpwl")

   702         fi

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

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

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

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

   707     fi

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

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

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

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

   712     fi

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

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

   716     fi

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

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

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

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

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

   723         fi

   724     else

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

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

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

   728         else

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

   730         fi

   731     fi

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

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

   735     fi

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

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

   738     fi

   740     case "${CT_CC_GCC_LDBL_128}" in

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

   742         m)  ;;

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

   744     esac

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

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

   748     fi

   750     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   751         "") ;;

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

   753     esac

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

   756         extra_config+=( --enable-plugin )

   757     fi

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

   759         extra_config+=( --enable-gold )

   760     fi

   762     case "${CT_ARCH}" in

   763         mips)

   764             case "${CT_CC_GCC_mips_llsc}" in

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

   766                 m)  ;;

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

   768             esac

   769             case "${CT_CC_GCC_mips_synci}" in

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

   771                 m)  ;;

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

   773             esac

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

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

   776             fi

   777             ;; # ARCH is mips

   778     esac

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

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

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

   784     fi

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

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

   788     else

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

   790     fi

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

   794     CT_DoExecLog CFG                                \

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

   796     CFLAGS="${cflags}"                              \

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

   798     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   799     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   800     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

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

   802         --build=${CT_BUILD}                         \

   803         --host=${host}                              \

   804         --target=${CT_TARGET}                       \

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

   806         ${CC_SYSROOT_ARG}                           \

   807         "${extra_config[@]}"                        \

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

   809         --enable-c99                                \

   810         --enable-long-long                          \

   811         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

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

   814         CT_DoLog EXTRA "Building libiberty"

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

   816     fi

   818     CT_DoLog EXTRA "Building gcc"

   819     CT_DoExecLog ALL make ${JOBSFLAGS} all

   821     CT_DoLog EXTRA "Installing gcc"

   822     CT_DoExecLog ALL make ${JOBSFLAGS} install

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

   825         CT_DoLog EXTRA "Building the GCC manuals"

   826         CT_DoExecLog ALL make pdf html

   827         CT_DoLog EXTRA "Installing the GCC manuals"

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

   829     fi

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

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

   833     # check whether compiler has an extension

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

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

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

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

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

   840             CT_DoLog WARN "Canadian Cross unable to confirm multilibs configured correctly"

   841         else

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

   843                            |tail -n +2 ) )

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

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

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

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

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

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

   850                 done

   851             else

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

   853             fi

   854         fi

   855     fi

   856 }

author	Zhenqiang Chen <zhenqiang.chen@linaro.org>
	Mon May 13 15:00:56 2013 +0800 (2013-05-13)
changeset 3215	4c63ce24fccd
parent 3209	33f265e3e79d
child 3217	15eedf548d33
permissions	-rw-r--r--