crosstool-ng: scripts/build/cc/gcc.sh@f5af323f7805

     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+=( "lang_list=c" )

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

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

    96     do_cc_core_backend "${core_opts[@]}"

    98     CT_Popd

    99     CT_EndStep

   100 }

   102 # Core gcc pass 2

   103 do_cc_core_pass_2() {

   104     local -a core_opts

   106     # Common options:

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

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

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

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

   111     core_opts+=( "lang_list=c" )

   113     # Different conditions are at stake here:

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

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

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

   117     #     later, we need to build libgcc

   118     case "${CT_THREADS}" in

   119         nptl)

   120             core_opts+=( "mode=shared" )

   121             core_opts+=( "build_libgcc=yes" )

   122             ;;

   123         win32)

   124             core_opts+=( "mode=static" )

   125             core_opts+=( "build_libgcc=yes" )

   126             ;;

   127         *)

   128             core_opts+=( "mode=static" )

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

   130                 core_opts+=( "build_libgcc=yes" )

   131             fi

   132             ;;

   133     esac

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

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

   138     do_cc_core_backend "${core_opts[@]}"

   140     CT_Popd

   141     CT_EndStep

   142 }

   144 #------------------------------------------------------------------------------

   145 # Build core gcc

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

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

   148 #   Parameter           : Definition                                : Type      : Default

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

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

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

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

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

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

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

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

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

   158 #   cflags              : host CFLAGS to use                        : string    : (empty)

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

   160 do_cc_core_backend() {

   161     local mode

   162     local build_libgcc=no

   163     local build_libstdcxx=no

   164     local build_staticlinked=no

   165     local build_manuals=no

   166     local host

   167     local prefix

   168     local complibs

   169     local lang_list

   170     local cflags

   171     local tmp

   172     local -a host_libstdcxx_flags

   173     local -a extra_config

   174     local -a core_LDFLAGS

   175     local -a core_targets

   176     local arg

   178     for arg in "$@"; do

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

   180     done

   182     CT_DoLog EXTRA "Configuring core C compiler"

   184     case "${mode}" in

   185         static)

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

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

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

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

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

   191             ;;

   192         shared)

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

   194             copy_headers=y

   195             ;;

   196         baremetal)

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

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

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

   200             copy_headers=n

   201             ;;

   202         *)

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

   204             ;;

   205     esac

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

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

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

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

   211     fi

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

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

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

   216     fi

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

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

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

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

   222         fi

   223     done

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

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

   226     else

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

   228     fi

   230     # *** WARNING ! ***

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

   232     # with the same block in do_cc, below.

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

   234         core_LDFLAGS+=("-static")

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

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

   237         host_libstdcxx_flags+=("-lm")

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

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

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

   241         # Ditto libm on some Fedora boxen

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

   243         core_LDFLAGS+=("-lm")

   244     else

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

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

   247             # build script

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

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

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

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

   252             host_libstdcxx_flags+=("-lm")

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

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

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

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

   257             # Ditto libm on some Fedora boxen

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

   259             core_LDFLAGS+=("-lm")

   260         fi

   261     fi

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

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

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

   266     fi

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

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

   269     fi

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

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

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

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

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

   275             host_libstdcxx_flags+=("-lpwl")

   276         fi

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

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

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

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

   281     fi

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

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

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

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

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

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

   288     fi

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

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

   292     fi

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

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

   296     fi

   298     case "${CT_CC_GCC_LDBL_128}" in

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

   300         m)  ;;

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

   302     esac

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

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

   306     fi

   308     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   309         "") ;;

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

   311     esac

   313     case "${CT_ARCH}" in

   314         mips)

   315             case "${CT_CC_GCC_mips_llsc}" in

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

   317                 m)  ;;

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

   319             esac

   320             case "${CT_CC_GCC_mips_synci}" in

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

   322                 m)  ;;

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

   324             esac

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

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

   327             fi

   328             ;; # ARCH is mips

   329     esac

   331     extra_config+=(--disable-libgomp)

   332     extra_config+=(--disable-libmudflap)

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

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

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

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

   340     fi

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

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

   344     else

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

   346     fi

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

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

   351     CT_DoExecLog CFG                                \

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

   353     CFLAGS="${cflags}"                              \

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

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

   356         --build=${CT_BUILD}                         \

   357         --host=${host}                              \

   358         --target=${CT_TARGET}                       \

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

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

   361         --disable-libmudflap                        \

   362         ${CC_CORE_SYSROOT_ARG}                      \

   363         "${extra_config[@]}"                        \

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

   365         "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"

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

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

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

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

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

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

   373         # cross toolchain during the final gcc build.

   374         #

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

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

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

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

   379         #

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

   381         # so we configure then build it.

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

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

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

   385             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

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

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

   388             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   389         else

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

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

   392         fi

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

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

   395             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

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

   397         fi

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

   400         # and libgcc.mvars is used instead.

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

   403             libgcc_rule="libgcc.mvars"

   404             core_targets=( gcc target-libgcc )

   405         else

   406             libgcc_rule="libgcc.mk"

   407             core_targets=( gcc )

   408         fi

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

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

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

   413         # configurations.

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

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

   416                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   417         else

   418             repair_cc=""

   419         fi

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

   422                               ${repair_cc}

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

   424     else # build_libgcc

   425         core_targets=( gcc )

   426     fi   # ! build libgcc

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

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

   429        ]; then

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

   431     fi

   433     CT_DoLog EXTRA "Building core C compiler"

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

   436     CT_DoLog EXTRA "Installing core C compiler"

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

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

   440         CT_DoLog EXTRA "Building the GCC manuals"

   441         CT_DoExecLog ALL make pdf html

   442         CT_DoLog EXTRA "Installing the GCC manuals"

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

   444     fi

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

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

   448     # check whether compiler has an extension

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

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

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

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

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

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

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

   457         else

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

   459                            |tail -n +2 ) )

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

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

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

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

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

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

   466                 done

   467             else

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

   469            fi

   470         fi

   471     fi

   472 }

   474 #------------------------------------------------------------------------------

   475 # Build complete gcc to run on build

   476 do_cc_for_build() {

   477     local -a build_final_opts

   478     local build_final_backend

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

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

   482     # Otherwise, there is nothing to do.

   483     case "${CT_TOOLCHAIN_TYPE}" in

   484         native|cross)   return 0;;

   485     esac

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

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

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

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

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

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

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

   494         build_final_opts+=( "mode=baremetal" )

   495         build_final_opts+=( "build_libgcc=yes" )

   496         build_final_opts+=( "build_libstdcxx=yes" )

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

   498             build_final_opts+=( "build_staticlinked=yes" )

   499         fi

   500         build_final_backend=do_cc_core_backend

   501     else

   502         build_final_backend=do_cc_backend

   503     fi

   505     CT_DoStep INFO "Installing final compiler for build"

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

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

   510     CT_Popd

   511     CT_EndStep

   512 }

   514 #------------------------------------------------------------------------------

   515 # Build final gcc to run on host

   516 do_cc_for_host() {

   517     local -a final_opts

   518     local final_backend

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

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

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

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

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

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

   526         final_opts+=( "build_manuals=yes" )

   527     fi

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

   529         final_opts+=( "mode=baremetal" )

   530         final_opts+=( "build_libgcc=yes" )

   531         final_opts+=( "build_libstdcxx=yes" )

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

   533             final_opts+=( "build_staticlinked=yes" )

   534         fi

   535         final_backend=do_cc_core_backend

   536     else

   537         final_backend=do_cc_backend

   538     fi

   540     CT_DoStep INFO "Installing final compiler"

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

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

   545     CT_Popd

   546     CT_EndStep

   547 }

   549 #------------------------------------------------------------------------------

   550 # Build the final gcc

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

   552 #   Parameter     : Definition                          : Type      : Default

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

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

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

   556 #   cflags        : the host CFLAGS                     : string    : (empty)

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

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

   559 do_cc_backend() {

   560     local host

   561     local prefix

   562     local complibs

   563     local cflags

   564     local lang_list

   565     local build_manuals

   566     local -a host_libstdcxx_flags

   567     local -a extra_config

   568     local -a final_LDFLAGS

   569     local tmp

   570     local arg

   572     for arg in "$@"; do

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

   574     done

   576     CT_DoLog EXTRA "Configuring final compiler"

   578     # Enable selected languages

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

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

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

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

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

   585         fi

   586     done

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

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

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

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

   592     fi

   593     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

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

   595         m)  ;;

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

   597     esac

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

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

   600     else

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

   602     fi

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

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

   605     fi

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

   607         extra_config+=(--enable-libmudflap)

   608     else

   609         extra_config+=(--disable-libmudflap)

   610     fi

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

   612         extra_config+=(--enable-libgomp)

   613     else

   614         extra_config+=(--disable-libgomp)

   615     fi

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

   617         extra_config+=(--enable-libssp)

   618     else

   619         extra_config+=(--disable-libssp)

   620     fi

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

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

   623             extra_config+=(--enable-libquadmath)

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

   625         else

   626             extra_config+=(--disable-libquadmath)

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

   628         fi

   629     fi

   631     # *** WARNING ! ***

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

   633     # with the same block in do_cc_core, above.

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

   635         final_LDFLAGS+=("-static")

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

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

   638         host_libstdcxx_flags+=("-lm")

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

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

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

   642         # Ditto libm on some Fedora boxen

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

   644         final_LDFLAGS+=("-lm")

   645     else

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

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

   648             # build script

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

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

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

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

   653             host_libstdcxx_flags+=("-lm")

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

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

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

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

   658             # Ditto libm on some Fedora boxen

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

   660             final_LDFLAGS+=("-lm")

   661         fi

   662     fi

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

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

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

   667     fi

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

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

   670     fi

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

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

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

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

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

   676             host_libstdcxx_flags+=("-lpwl")

   677         fi

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

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

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

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

   682     fi

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

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

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

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

   687     fi

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

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

   691     fi

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

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

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

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

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

   698         fi

   699     else

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

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

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

   703         else

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

   705         fi

   706     fi

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

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

   710     fi

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

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

   713     fi

   715     case "${CT_CC_GCC_LDBL_128}" in

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

   717         m)  ;;

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

   719     esac

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

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

   723     fi

   725     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   726         "") ;;

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

   728     esac

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

   731         extra_config+=( --enable-plugin )

   732     fi

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

   734         extra_config+=( --enable-gold )

   735     fi

   737     case "${CT_ARCH}" in

   738         mips)

   739             case "${CT_CC_GCC_mips_llsc}" in

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

   741                 m)  ;;

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

   743             esac

   744             case "${CT_CC_GCC_mips_synci}" in

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

   746                 m)  ;;

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

   748             esac

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

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

   751             fi

   752             ;; # ARCH is mips

   753     esac

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

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

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

   759     fi

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

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

   763     else

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

   765     fi

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

   769     CT_DoExecLog CFG                                \

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

   771     CFLAGS="${cflags}"                              \

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

   773     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   774     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   775     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

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

   777         --build=${CT_BUILD}                         \

   778         --host=${host}                              \

   779         --target=${CT_TARGET}                       \

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

   781         ${CC_SYSROOT_ARG}                           \

   782         "${extra_config[@]}"                        \

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

   784         --enable-c99                                \

   785         --enable-long-long                          \

   786         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

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

   789         CT_DoLog EXTRA "Building libiberty"

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

   791     fi

   793     CT_DoLog EXTRA "Building final compiler"

   794     CT_DoExecLog ALL make ${JOBSFLAGS} all

   796     CT_DoLog EXTRA "Installing final compiler"

   797     CT_DoExecLog ALL make ${JOBSFLAGS} install

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

   800         CT_DoLog EXTRA "Building the GCC manuals"

   801         CT_DoExecLog ALL make pdf html

   802         CT_DoLog EXTRA "Installing the GCC manuals"

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

   804     fi

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

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

   808     # check whether compiler has an extension

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

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

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

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

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

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

   816         else

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

   818                            |tail -n +2 ) )

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

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

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

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

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

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

   825                 done

   826             else

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

   828             fi

   829         fi

   830     fi

   831 }

author	"Yann E. MORIN" <yann.morin.1998@free.fr>
	Tue Oct 30 00:30:47 2012 +0100 (2012-10-30)
changeset 3093	f5af323f7805
parent 3088	7f5a3382968f
child 3119	1c56c03b7ed5
permissions	-rw-r--r--