crosstool-ng: scripts/build/cc/gcc.sh@15fb3cdc8c48

     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     [ "${CT_CC_LANG_GOLANG}" = "y"   ] && lang_list+=",go"

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

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

    80 }

    82 #------------------------------------------------------------------------------

    83 # Core gcc pass 1

    84 do_cc_core_pass_1() {

    85     local -a core_opts

    87     if [ "${CT_CC_CORE_PASS_1_NEEDED}" != "y" ]; then

    88         return 0

    89     fi

    91     core_opts+=( "mode=static" )

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

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

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

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

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

    97     core_opts+=( "lang_list=c" )

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

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

   102     do_cc_core_backend "${core_opts[@]}"

   104     CT_Popd

   105     CT_EndStep

   106 }

   108 # Core gcc pass 2

   109 do_cc_core_pass_2() {

   110     local -a core_opts

   112     if [ "${CT_CC_CORE_PASS_2_NEEDED}" != "y" ]; then

   113         return 0

   114     fi

   116     # Common options:

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

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

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

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

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

   122     core_opts+=( "lang_list=c" )

   124     # Different conditions are at stake here:

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

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

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

   128     #     later, we need to build libgcc

   129     case "${CT_THREADS}" in

   130         nptl)

   131             core_opts+=( "mode=shared" )

   132             core_opts+=( "build_libgcc=yes" )

   133             ;;

   134         win32)

   135             core_opts+=( "mode=static" )

   136             core_opts+=( "build_libgcc=yes" )

   137             ;;

   138         *)

   139             core_opts+=( "mode=static" )

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

   141                 core_opts+=( "build_libgcc=yes" )

   142             fi

   143             ;;

   144     esac

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

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

   149     do_cc_core_backend "${core_opts[@]}"

   151     CT_Popd

   152     CT_EndStep

   153 }

   155 #------------------------------------------------------------------------------

   156 # Build core gcc

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

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

   159 #   Parameter           : Definition                                : Type      : Default

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

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

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

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

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

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

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

   167 #   build_libgfortran   : build libgfortran or not                  : bool      : no

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

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

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

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

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

   173 do_cc_core_backend() {

   174     local mode

   175     local build_libgcc=no

   176     local build_libstdcxx=no

   177     local build_libgfortran=no

   178     local build_staticlinked=no

   179     local build_manuals=no

   180     local host

   181     local prefix

   182     local complibs

   183     local lang_list

   184     local cflags

   185     local ldflags

   186     local tmp

   187     local -a host_libstdcxx_flags

   188     local -a extra_config

   189     local -a core_LDFLAGS

   190     local -a core_targets

   191     local arg

   193     for arg in "$@"; do

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

   195     done

   197     CT_DoLog EXTRA "Configuring gcc"

   199     case "${mode}" in

   200         static)

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

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

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

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

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

   206             ;;

   207         shared)

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

   209             copy_headers=y

   210             ;;

   211         baremetal)

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

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

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

   215             copy_headers=n

   216             ;;

   217         *)

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

   219             ;;

   220     esac

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

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

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

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

   226     fi

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

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

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

   231     fi

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

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

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

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

   237         fi

   238     done

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

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

   241     else

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

   243     fi

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

   247     # *** WARNING ! ***

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

   249     # with the same block in do_cc, below.

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

   251         core_LDFLAGS+=("-static")

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

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

   254         host_libstdcxx_flags+=("-lm")

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

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

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

   258         # Ditto libm on some Fedora boxen

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

   260         core_LDFLAGS+=("-lm")

   261     else

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

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

   264             # build script

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

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

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

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

   269             host_libstdcxx_flags+=("-lm")

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

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

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

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

   274             # Ditto libm on some Fedora boxen

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

   276             core_LDFLAGS+=("-lm")

   277         fi

   278     fi

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

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

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

   283     fi

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

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

   286     fi

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

   288         if [ "${CT_PPL}" = "y" ]; then

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

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

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

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

   293                 host_libstdcxx_flags+=("-lpwl")

   294             fi

   295         fi

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

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

   298         fi

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

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

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

   302         extra_config+=("--with-isl=no")

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

   304     fi

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

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

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

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

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

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

   311     fi

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

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

   315     fi

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

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

   319     fi

   321     case "${CT_CC_GCC_LDBL_128}" in

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

   323         m)  ;;

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

   325     esac

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

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

   329     fi

   331     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   332         "") ;;

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

   334     esac

   336     case "${CT_CC_GCC_DEC_FLOATS}" in

   337         "") ;;

   338         *)  extra_config+=( "--enable-decimal-float=${CT_CC_GCC_DEC_FLOATS}" );;

   339     esac

   341     case "${CT_ARCH}" in

   342         mips)

   343             case "${CT_CC_GCC_mips_llsc}" in

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

   345                 m)  ;;

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

   347             esac

   348             case "${CT_CC_GCC_mips_synci}" in

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

   350                 m)  ;;

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

   352             esac

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

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

   355             fi

   356             ;; # ARCH is mips

   357     esac

   359     extra_config+=(--disable-libgomp)

   360     extra_config+=(--disable-libmudflap)

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

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

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

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

   368     fi

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

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

   372     else

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

   374     fi

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

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

   379     CT_DoExecLog CFG                                \

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

   381     CFLAGS="${cflags}"                              \

   382     CXXFLAGS="${cflags}"                            \

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

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

   385         --build=${CT_BUILD}                         \

   386         --host=${host}                              \

   387         --target=${CT_TARGET}                       \

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

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

   390         --disable-libmudflap                        \

   391         ${CC_CORE_SYSROOT_ARG}                      \

   392         "${extra_config[@]}"                        \

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

   394         "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"

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

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

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

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

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

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

   402         # cross toolchain during the final gcc build.

   403         #

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

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

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

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

   408         #

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

   410         # so we configure then build it.

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

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

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

   414             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

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

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

   417             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   418         else

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

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

   421         fi

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

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

   424             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

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

   426         fi

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

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

   429             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libbacktrace

   430             CT_DoExecLog ALL make ${JOBSFLAGS} -C libbacktrace

   431         fi

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

   434         # and libgcc.mvars is used instead.

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

   437             libgcc_rule="libgcc.mvars"

   438             core_targets=( gcc target-libgcc )

   439         else

   440             libgcc_rule="libgcc.mk"

   441             core_targets=( gcc )

   442         fi

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

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

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

   447         # configurations.

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

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

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

   451                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   452         else

   453             repair_cc=""

   454         fi

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

   457                               ${repair_cc}

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

   459     else # build_libgcc

   460         core_targets=( gcc )

   461     fi   # ! build libgcc

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

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

   464        ]; then

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

   466     fi

   468     if [    "${build_libgfortran}" = "yes"    \

   469          -a "${CT_CC_LANG_FORTRAN}"  = "y"    \

   470        ]; then

   471         core_targets+=( target-libgfortran )

   472     fi

   474     CT_DoLog EXTRA "Building gcc"

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

   477     CT_DoLog EXTRA "Installing gcc"

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

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

   481         CT_DoLog EXTRA "Building the GCC manuals"

   482         CT_DoExecLog ALL make pdf html

   483         CT_DoLog EXTRA "Installing the GCC manuals"

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

   485     fi

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

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

   489     # check whether compiler has an extension

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

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

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

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

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

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

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

   498         else

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

   500                            |tail -n +2 ) )

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

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

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

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

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

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

   507                 done

   508             else

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

   510            fi

   511         fi

   512     fi

   513 }

   515 #------------------------------------------------------------------------------

   516 # Build complete gcc to run on build

   517 do_cc_for_build() {

   518     local -a build_final_opts

   519     local build_final_backend

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

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

   523     # Otherwise, there is nothing to do.

   524     case "${CT_TOOLCHAIN_TYPE}" in

   525         native|cross)   return 0;;

   526     esac

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

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

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

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

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

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

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

   535         build_final_opts+=( "mode=baremetal" )

   536         build_final_opts+=( "build_libgcc=yes" )

   537         build_final_opts+=( "build_libstdcxx=yes" )

   538         build_final_opts+=( "build_libgfortran=yes" )

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

   540             build_final_opts+=( "build_staticlinked=yes" )

   541         fi

   542         build_final_backend=do_cc_core_backend

   543     else

   544         build_final_backend=do_cc_backend

   545     fi

   547     CT_DoStep INFO "Installing final compiler for build"

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

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

   552     CT_Popd

   553     CT_EndStep

   554 }

   556 #------------------------------------------------------------------------------

   557 # Build final gcc to run on host

   558 do_cc_for_host() {

   559     local -a final_opts

   560     local final_backend

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

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

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

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

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

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

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

   569         final_opts+=( "build_manuals=yes" )

   570     fi

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

   572         final_opts+=( "mode=baremetal" )

   573         final_opts+=( "build_libgcc=yes" )

   574         final_opts+=( "build_libstdcxx=yes" )

   575         final_opts+=( "build_libgfortran=yes" )

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

   577             final_opts+=( "build_staticlinked=yes" )

   578         fi

   579         final_backend=do_cc_core_backend

   580     else

   581         final_backend=do_cc_backend

   582     fi

   584     CT_DoStep INFO "Installing final compiler"

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

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

   589     CT_Popd

   590     CT_EndStep

   591 }

   593 #------------------------------------------------------------------------------

   594 # Build the final gcc

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

   596 #   Parameter     : Definition                          : Type      : Default

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

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

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

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

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

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

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

   604 do_cc_backend() {

   605     local host

   606     local prefix

   607     local complibs

   608     local cflags

   609     local ldflags

   610     local lang_list

   611     local build_manuals

   612     local -a host_libstdcxx_flags

   613     local -a extra_config

   614     local -a final_LDFLAGS

   615     local tmp

   616     local arg

   618     for arg in "$@"; do

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

   620     done

   622     CT_DoLog EXTRA "Configuring gcc"

   624     # Enable selected languages

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

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

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

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

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

   631         fi

   632     done

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

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

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

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

   638     fi

   639     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

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

   641         m)  ;;

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

   643     esac

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

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

   646     else

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

   648     fi

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

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

   651     fi

   652     if [ "${CT_CC_GCC_4_8_or_later}" = "y" ]; then

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

   654             extra_config+=(--disable-libatomic)

   655         fi

   656         if [ "${CT_THREADS}" != "nptl" ]; then

   657             extra_config+=(--disable-libsanitizer)

   658         fi

   659     fi

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

   661         extra_config+=(--enable-libmudflap)

   662     else

   663         extra_config+=(--disable-libmudflap)

   664     fi

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

   666         extra_config+=(--enable-libgomp)

   667     else

   668         extra_config+=(--disable-libgomp)

   669     fi

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

   671         extra_config+=(--enable-libssp)

   672     else

   673         extra_config+=(--disable-libssp)

   674     fi

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

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

   677             extra_config+=(--enable-libquadmath)

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

   679         else

   680             extra_config+=(--disable-libquadmath)

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

   682         fi

   683     fi

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

   687     # *** WARNING ! ***

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

   689     # with the same block in do_cc_core, above.

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

   691         final_LDFLAGS+=("-static")

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

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

   694         host_libstdcxx_flags+=("-lm")

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

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

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

   698         # Ditto libm on some Fedora boxen

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

   700         final_LDFLAGS+=("-lm")

   701     else

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

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

   704             # build script

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

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

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

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

   709             host_libstdcxx_flags+=("-lm")

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

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

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

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

   714             # Ditto libm on some Fedora boxen

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

   716             final_LDFLAGS+=("-lm")

   717         fi

   718     fi

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

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

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

   723     fi

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

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

   726     fi

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

   728         if [ "${CT_PPL}" = "y" ]; then

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

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

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

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

   733                 host_libstdcxx_flags+=("-lpwl")

   734             fi

   735         fi

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

   737             extra_config+=("--with-isl=${complibs}")

   738         fi

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

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

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

   742         extra_config+=("--with-isl=no")

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

   744     fi

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

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

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

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

   749     fi

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

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

   753     fi

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

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

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

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

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

   760         fi

   761     else

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

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

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

   765         else

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

   767         fi

   768     fi

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

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

   772     fi

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

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

   775     fi

   777     case "${CT_CC_GCC_LDBL_128}" in

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

   779         m)  ;;

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

   781     esac

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

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

   785     fi

   787     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   788         "") ;;

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

   790     esac

   792     case "${CT_CC_GCC_DEC_FLOATS}" in

   793         "") ;;

   794         *)  extra_config+=( "--enable-decimal-float=${CT_CC_GCC_DEC_FLOATS}" );;

   795     esac

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

   798         extra_config+=( --enable-plugin )

   799     fi

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

   801         extra_config+=( --enable-gold )

   802     fi

   804     case "${CT_ARCH}" in

   805         mips)

   806             case "${CT_CC_GCC_mips_llsc}" in

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

   808                 m)  ;;

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

   810             esac

   811             case "${CT_CC_GCC_mips_synci}" in

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

   813                 m)  ;;

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

   815             esac

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

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

   818             fi

   819             ;; # ARCH is mips

   820     esac

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

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

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

   826     fi

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

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

   830     else

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

   832     fi

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

   836     CT_DoExecLog CFG                                \

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

   838     CFLAGS="${cflags}"                              \

   839     CXXFLAGS="${cflags}"                            \

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

   841     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   842     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   843     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

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

   845         --build=${CT_BUILD}                         \

   846         --host=${host}                              \

   847         --target=${CT_TARGET}                       \

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

   849         ${CC_SYSROOT_ARG}                           \

   850         "${extra_config[@]}"                        \

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

   852         --enable-c99                                \

   853         --enable-long-long                          \

   854         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

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

   857         CT_DoLog EXTRA "Building libiberty"

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

   859     fi

   861     CT_DoLog EXTRA "Building gcc"

   862     CT_DoExecLog ALL make ${JOBSFLAGS} all

   864     CT_DoLog EXTRA "Installing gcc"

   865     CT_DoExecLog ALL make ${JOBSFLAGS} install

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

   868         CT_DoLog EXTRA "Building the GCC manuals"

   869         CT_DoExecLog ALL make pdf html

   870         CT_DoLog EXTRA "Installing the GCC manuals"

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

   872     fi

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

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

   876     # check whether compiler has an extension

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

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

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

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

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

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

   884         else

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

   886                            |tail -n +2 ) )

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

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

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

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

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

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

   893                 done

   894             else

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

   896             fi

   897         fi

   898     fi

   899 }

author	"Yann E. MORIN" <yann.morin.1998@free.fr>
	Mon May 05 23:24:05 2014 +0200 (2014-05-05)
changeset 3300	15fb3cdc8c48
parent 3279	c4b4bb58f639
child 3311	e35fa03cd204
permissions	-rw-r--r--