crosstool-ng: scripts/build/cc/gcc.sh@333d3e40cbd1

     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     core_opts+=( "mode=static" )

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

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

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

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

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

    92     core_opts+=( "lang_list=c" )

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

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

    97     do_cc_core_backend "${core_opts[@]}"

    99     CT_Popd

   100     CT_EndStep

   101 }

   103 # Core gcc pass 2

   104 do_cc_core_pass_2() {

   105     local -a core_opts

   107     # Common options:

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

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

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

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

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

   113     core_opts+=( "lang_list=c" )

   115     # Different conditions are at stake here:

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

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

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

   119     #     later, we need to build libgcc

   120     case "${CT_THREADS}" in

   121         nptl)

   122             core_opts+=( "mode=shared" )

   123             core_opts+=( "build_libgcc=yes" )

   124             ;;

   125         win32)

   126             core_opts+=( "mode=static" )

   127             core_opts+=( "build_libgcc=yes" )

   128             ;;

   129         *)

   130             core_opts+=( "mode=static" )

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

   132                 core_opts+=( "build_libgcc=yes" )

   133             fi

   134             ;;

   135     esac

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

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

   140     do_cc_core_backend "${core_opts[@]}"

   142     CT_Popd

   143     CT_EndStep

   144 }

   146 #------------------------------------------------------------------------------

   147 # Build core gcc

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

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

   150 #   Parameter           : Definition                                : Type      : Default

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

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

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

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

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

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

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

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

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

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

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

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

   163 do_cc_core_backend() {

   164     local mode

   165     local build_libgcc=no

   166     local build_libstdcxx=no

   167     local build_staticlinked=no

   168     local build_manuals=no

   169     local host

   170     local prefix

   171     local complibs

   172     local lang_list

   173     local cflags

   174     local ldflags

   175     local tmp

   176     local -a host_libstdcxx_flags

   177     local -a extra_config

   178     local -a core_LDFLAGS

   179     local -a core_targets

   180     local arg

   182     for arg in "$@"; do

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

   184     done

   186     CT_DoLog EXTRA "Configuring core C compiler"

   188     case "${mode}" in

   189         static)

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

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

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

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

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

   195             ;;

   196         shared)

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

   198             copy_headers=y

   199             ;;

   200         baremetal)

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

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

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

   204             copy_headers=n

   205             ;;

   206         *)

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

   208             ;;

   209     esac

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

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

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

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

   215     fi

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

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

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

   220     fi

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

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

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

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

   226         fi

   227     done

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

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

   230     else

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

   232     fi

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

   236     # *** WARNING ! ***

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

   238     # with the same block in do_cc, below.

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

   240         core_LDFLAGS+=("-static")

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

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

   243         host_libstdcxx_flags+=("-lm")

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

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

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

   247         # Ditto libm on some Fedora boxen

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

   249         core_LDFLAGS+=("-lm")

   250     else

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

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

   253             # build script

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

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

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

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

   258             host_libstdcxx_flags+=("-lm")

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

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

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

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

   263             # Ditto libm on some Fedora boxen

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

   265             core_LDFLAGS+=("-lm")

   266         fi

   267     fi

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

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

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

   272     fi

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

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

   275     fi

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

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

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

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

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

   281             host_libstdcxx_flags+=("-lpwl")

   282         fi

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

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

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

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

   287     fi

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

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

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

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

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

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

   294     fi

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

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

   298     fi

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

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

   302     fi

   304     case "${CT_CC_GCC_LDBL_128}" in

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

   306         m)  ;;

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

   308     esac

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

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

   312     fi

   314     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   315         "") ;;

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

   317     esac

   319     case "${CT_ARCH}" in

   320         mips)

   321             case "${CT_CC_GCC_mips_llsc}" in

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

   323                 m)  ;;

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

   325             esac

   326             case "${CT_CC_GCC_mips_synci}" in

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

   328                 m)  ;;

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

   330             esac

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

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

   333             fi

   334             ;; # ARCH is mips

   335     esac

   337     extra_config+=(--disable-libgomp)

   338     extra_config+=(--disable-libmudflap)

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

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

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

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

   346     fi

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

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

   350     else

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

   352     fi

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

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

   357     CT_DoExecLog CFG                                \

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

   359     CFLAGS="${cflags}"                              \

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

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

   362         --build=${CT_BUILD}                         \

   363         --host=${host}                              \

   364         --target=${CT_TARGET}                       \

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

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

   367         --disable-libmudflap                        \

   368         ${CC_CORE_SYSROOT_ARG}                      \

   369         "${extra_config[@]}"                        \

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

   371         "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"

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

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

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

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

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

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

   379         # cross toolchain during the final gcc build.

   380         #

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

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

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

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

   385         #

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

   387         # so we configure then build it.

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

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

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

   391             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

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

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

   394             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   395         else

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

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

   398         fi

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

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

   401             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

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

   403         fi

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

   406         # and libgcc.mvars is used instead.

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

   409             libgcc_rule="libgcc.mvars"

   410             core_targets=( gcc target-libgcc )

   411         else

   412             libgcc_rule="libgcc.mk"

   413             core_targets=( gcc )

   414         fi

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

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

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

   419         # configurations.

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

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

   422                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   423         else

   424             repair_cc=""

   425         fi

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

   428                               ${repair_cc}

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

   430     else # build_libgcc

   431         core_targets=( gcc )

   432     fi   # ! build libgcc

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

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

   435        ]; then

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

   437     fi

   439     CT_DoLog EXTRA "Building core C compiler"

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

   442     CT_DoLog EXTRA "Installing core C compiler"

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

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

   446         CT_DoLog EXTRA "Building the GCC manuals"

   447         CT_DoExecLog ALL make pdf html

   448         CT_DoLog EXTRA "Installing the GCC manuals"

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

   450     fi

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

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

   454     # check whether compiler has an extension

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

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

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

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

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

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

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

   463         else

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

   465                            |tail -n +2 ) )

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

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

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

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

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

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

   472                 done

   473             else

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

   475            fi

   476         fi

   477     fi

   478 }

   480 #------------------------------------------------------------------------------

   481 # Build complete gcc to run on build

   482 do_cc_for_build() {

   483     local -a build_final_opts

   484     local build_final_backend

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

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

   488     # Otherwise, there is nothing to do.

   489     case "${CT_TOOLCHAIN_TYPE}" in

   490         native|cross)   return 0;;

   491     esac

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

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

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

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

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

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

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

   500         build_final_opts+=( "mode=baremetal" )

   501         build_final_opts+=( "build_libgcc=yes" )

   502         build_final_opts+=( "build_libstdcxx=yes" )

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

   504             build_final_opts+=( "build_staticlinked=yes" )

   505         fi

   506         build_final_backend=do_cc_core_backend

   507     else

   508         build_final_backend=do_cc_backend

   509     fi

   511     CT_DoStep INFO "Installing final compiler for build"

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

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

   516     CT_Popd

   517     CT_EndStep

   518 }

   520 #------------------------------------------------------------------------------

   521 # Build final gcc to run on host

   522 do_cc_for_host() {

   523     local -a final_opts

   524     local final_backend

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

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

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

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

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

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

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

   533         final_opts+=( "build_manuals=yes" )

   534     fi

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

   536         final_opts+=( "mode=baremetal" )

   537         final_opts+=( "build_libgcc=yes" )

   538         final_opts+=( "build_libstdcxx=yes" )

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

   540             final_opts+=( "build_staticlinked=yes" )

   541         fi

   542         final_backend=do_cc_core_backend

   543     else

   544         final_backend=do_cc_backend

   545     fi

   547     CT_DoStep INFO "Installing final compiler"

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

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

   552     CT_Popd

   553     CT_EndStep

   554 }

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

   557 # Build the final gcc

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

   559 #   Parameter     : Definition                          : Type      : Default

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

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

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

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

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

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

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

   567 do_cc_backend() {

   568     local host

   569     local prefix

   570     local complibs

   571     local cflags

   572     local ldflags

   573     local lang_list

   574     local build_manuals

   575     local -a host_libstdcxx_flags

   576     local -a extra_config

   577     local -a final_LDFLAGS

   578     local tmp

   579     local arg

   581     for arg in "$@"; do

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

   583     done

   585     CT_DoLog EXTRA "Configuring final compiler"

   587     # Enable selected languages

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

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

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

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

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

   594         fi

   595     done

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

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

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

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

   601     fi

   602     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

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

   604         m)  ;;

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

   606     esac

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

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

   609     else

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

   611     fi

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

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

   614     fi

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

   616         extra_config+=(--enable-libmudflap)

   617     else

   618         extra_config+=(--disable-libmudflap)

   619     fi

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

   621         extra_config+=(--enable-libgomp)

   622     else

   623         extra_config+=(--disable-libgomp)

   624     fi

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

   626         extra_config+=(--enable-libssp)

   627     else

   628         extra_config+=(--disable-libssp)

   629     fi

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

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

   632             extra_config+=(--enable-libquadmath)

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

   634         else

   635             extra_config+=(--disable-libquadmath)

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

   637         fi

   638     fi

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

   642     # *** WARNING ! ***

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

   644     # with the same block in do_cc_core, above.

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

   646         final_LDFLAGS+=("-static")

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

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

   649         host_libstdcxx_flags+=("-lm")

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

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

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

   653         # Ditto libm on some Fedora boxen

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

   655         final_LDFLAGS+=("-lm")

   656     else

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

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

   659             # build script

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

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

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

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

   664             host_libstdcxx_flags+=("-lm")

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

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

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

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

   669             # Ditto libm on some Fedora boxen

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

   671             final_LDFLAGS+=("-lm")

   672         fi

   673     fi

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

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

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

   678     fi

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

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

   681     fi

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

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

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

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

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

   687             host_libstdcxx_flags+=("-lpwl")

   688         fi

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

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

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

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

   693     fi

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

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

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

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

   698     fi

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

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

   702     fi

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

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

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

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

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

   709         fi

   710     else

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

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

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

   714         else

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

   716         fi

   717     fi

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

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

   721     fi

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

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

   724     fi

   726     case "${CT_CC_GCC_LDBL_128}" in

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

   728         m)  ;;

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

   730     esac

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

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

   734     fi

   736     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   737         "") ;;

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

   739     esac

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

   742         extra_config+=( --enable-plugin )

   743     fi

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

   745         extra_config+=( --enable-gold )

   746     fi

   748     case "${CT_ARCH}" in

   749         mips)

   750             case "${CT_CC_GCC_mips_llsc}" in

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

   752                 m)  ;;

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

   754             esac

   755             case "${CT_CC_GCC_mips_synci}" in

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

   757                 m)  ;;

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

   759             esac

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

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

   762             fi

   763             ;; # ARCH is mips

   764     esac

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

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

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

   770     fi

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

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

   774     else

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

   776     fi

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

   780     CT_DoExecLog CFG                                \

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

   782     CFLAGS="${cflags}"                              \

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

   784     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   785     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   786     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

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

   788         --build=${CT_BUILD}                         \

   789         --host=${host}                              \

   790         --target=${CT_TARGET}                       \

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

   792         ${CC_SYSROOT_ARG}                           \

   793         "${extra_config[@]}"                        \

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

   795         --enable-c99                                \

   796         --enable-long-long                          \

   797         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

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

   800         CT_DoLog EXTRA "Building libiberty"

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

   802     fi

   804     CT_DoLog EXTRA "Building final compiler"

   805     CT_DoExecLog ALL make ${JOBSFLAGS} all

   807     CT_DoLog EXTRA "Installing final compiler"

   808     CT_DoExecLog ALL make ${JOBSFLAGS} install

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

   811         CT_DoLog EXTRA "Building the GCC manuals"

   812         CT_DoExecLog ALL make pdf html

   813         CT_DoLog EXTRA "Installing the GCC manuals"

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

   815     fi

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

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

   819     # check whether compiler has an extension

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

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

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

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

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

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

   827         else

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

   829                            |tail -n +2 ) )

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

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

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

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

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

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

   836                 done

   837             else

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

   839             fi

   840         fi

   841     fi

   842 }

author	Daniel Price <daniel.price@gmail.com>
	Tue Nov 20 16:59:17 2012 -0800 (2012-11-20)
changeset 3126	333d3e40cbd1
parent 3093	f5af323f7805
child 3131	bd172b161ff8
permissions	-rw-r--r--