crosstool-ng: scripts/build/cc/gcc.sh@d39abd309eb7

     1 # This file adds the function to build the gcc C compiler

     2 # Copyright 2007 Yann E. MORIN

     3 # Licensed under the GPL v2. See COPYING in the root of this package

     5 # Download gcc

     6 do_cc_get() {

     7     local linaro_version

     8     local linaro_series

     9     local linaro_base_url="http://launchpad.net/gcc-linaro"

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

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

    13     else

    14         # Account for the Linaro versioning

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

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

    17                          )"

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

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

    20                         )"

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

    23         # subdirectories of the same name!

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

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

    26         # subdirectory!

    27         CT_GetFile "gcc-${CT_CC_VERSION}"                                                       \

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

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

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

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

    33     fi # ! custom location

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

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

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

    37     # put it there ourselves

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

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

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

    41     fi

    42 }

    44 # Extract gcc

    45 do_cc_extract() {

    46     # If using custom directory location, nothing to do

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

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

    49         return 0

    50     fi

    52     CT_Extract "gcc-${CT_CC_VERSION}"

    53     CT_Patch "gcc" "${CT_CC_VERSION}"

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

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

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

    58        ]; then

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

    60     fi

    61 }

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

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

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

    66 cc_gcc_lang_list() {

    67     local lang_list

    69     lang_list="c"

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

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

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

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

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

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

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

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

    79 }

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

    82 # Core gcc pass 1

    83 do_cc_core_pass_1() {

    84     local -a core_opts

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

    87         return 0

    88     fi

    90     core_opts+=( "mode=static" )

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

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

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

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

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

    96     core_opts+=( "lang_list=c" )

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

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

   101     do_cc_core_backend "${core_opts[@]}"

   103     CT_Popd

   104     CT_EndStep

   105 }

   107 # Core gcc pass 2

   108 do_cc_core_pass_2() {

   109     local -a core_opts

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

   112         return 0

   113     fi

   115     # Common options:

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

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

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

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

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

   121     core_opts+=( "lang_list=c" )

   123     # Different conditions are at stake here:

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

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

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

   127     #     later, we need to build libgcc

   128     case "${CT_THREADS}" in

   129         nptl)

   130             core_opts+=( "mode=shared" )

   131             core_opts+=( "build_libgcc=yes" )

   132             ;;

   133         win32)

   134             core_opts+=( "mode=static" )

   135             core_opts+=( "build_libgcc=yes" )

   136             ;;

   137         *)

   138             core_opts+=( "mode=static" )

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

   140                 core_opts+=( "build_libgcc=yes" )

   141             fi

   142             ;;

   143     esac

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

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

   148     do_cc_core_backend "${core_opts[@]}"

   150     CT_Popd

   151     CT_EndStep

   152 }

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

   155 # Build core gcc

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

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

   158 #   Parameter           : Definition                                : Type      : Default

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

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

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

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

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

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

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

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

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

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

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

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

   171 do_cc_core_backend() {

   172     local mode

   173     local build_libgcc=no

   174     local build_libstdcxx=no

   175     local build_staticlinked=no

   176     local build_manuals=no

   177     local host

   178     local prefix

   179     local complibs

   180     local lang_list

   181     local cflags

   182     local ldflags

   183     local tmp

   184     local -a host_libstdcxx_flags

   185     local -a extra_config

   186     local -a core_LDFLAGS

   187     local -a core_targets

   188     local arg

   190     for arg in "$@"; do

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

   192     done

   194     CT_DoLog EXTRA "Configuring gcc"

   196     case "${mode}" in

   197         static)

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

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

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

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

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

   203             ;;

   204         shared)

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

   206             copy_headers=y

   207             ;;

   208         baremetal)

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

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

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

   212             copy_headers=n

   213             ;;

   214         *)

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

   216             ;;

   217     esac

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

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

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

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

   223     fi

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

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

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

   228     fi

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

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

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

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

   234         fi

   235     done

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

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

   238     else

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

   240     fi

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

   244     # *** WARNING ! ***

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

   246     # with the same block in do_cc, below.

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

   248         core_LDFLAGS+=("-static")

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

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

   251         host_libstdcxx_flags+=("-lm")

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

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

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

   255         # Ditto libm on some Fedora boxen

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

   257         core_LDFLAGS+=("-lm")

   258     else

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

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

   261             # build script

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

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

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

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

   266             host_libstdcxx_flags+=("-lm")

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

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

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

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

   271             # Ditto libm on some Fedora boxen

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

   273             core_LDFLAGS+=("-lm")

   274         fi

   275     fi

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

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

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

   280     fi

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

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

   283     fi

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

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

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

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

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

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

   290                 host_libstdcxx_flags+=("-lpwl")

   291             fi

   292         fi

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

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

   295         fi

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

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

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

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

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

   301     fi

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

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

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

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

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

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

   308     fi

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

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

   312     fi

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

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

   316     fi

   318     case "${CT_CC_GCC_LDBL_128}" in

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

   320         m)  ;;

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

   322     esac

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

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

   326     fi

   328     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   329         "") ;;

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

   331     esac

   333     case "${CT_ARCH}" in

   334         mips)

   335             case "${CT_CC_GCC_mips_llsc}" in

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

   337                 m)  ;;

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

   339             esac

   340             case "${CT_CC_GCC_mips_synci}" in

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

   342                 m)  ;;

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

   344             esac

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

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

   347             fi

   348             ;; # ARCH is mips

   349     esac

   351     extra_config+=(--disable-libgomp)

   352     extra_config+=(--disable-libmudflap)

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

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

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

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

   360     fi

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

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

   364     else

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

   366     fi

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

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

   371     CT_DoExecLog CFG                                \

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

   373     CFLAGS="${cflags}"                              \

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

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

   376         --build=${CT_BUILD}                         \

   377         --host=${host}                              \

   378         --target=${CT_TARGET}                       \

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

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

   381         --disable-libmudflap                        \

   382         ${CC_CORE_SYSROOT_ARG}                      \

   383         "${extra_config[@]}"                        \

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

   385         "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"

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

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

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

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

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

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

   393         # cross toolchain during the final gcc build.

   394         #

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

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

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

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

   399         #

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

   401         # so we configure then build it.

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

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

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

   405             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

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

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

   408             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   409         else

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

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

   412         fi

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

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

   415             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

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

   417         fi

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

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

   420             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libbacktrace

   421             CT_DoExecLog ALL make ${JOBSFLAGS} -C libbacktrace

   422         fi

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

   425         # and libgcc.mvars is used instead.

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

   428             libgcc_rule="libgcc.mvars"

   429             core_targets=( gcc target-libgcc )

   430         else

   431             libgcc_rule="libgcc.mk"

   432             core_targets=( gcc )

   433         fi

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

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

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

   438         # configurations.

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

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

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

   442                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   443         else

   444             repair_cc=""

   445         fi

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

   448                               ${repair_cc}

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

   450     else # build_libgcc

   451         core_targets=( gcc )

   452     fi   # ! build libgcc

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

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

   455        ]; then

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

   457     fi

   459     CT_DoLog EXTRA "Building gcc"

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

   462     CT_DoLog EXTRA "Installing gcc"

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

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

   466         CT_DoLog EXTRA "Building the GCC manuals"

   467         CT_DoExecLog ALL make pdf html

   468         CT_DoLog EXTRA "Installing the GCC manuals"

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

   470     fi

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

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

   474     # check whether compiler has an extension

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

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

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

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

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

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

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

   483         else

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

   485                            |tail -n +2 ) )

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

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

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

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

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

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

   492                 done

   493             else

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

   495            fi

   496         fi

   497     fi

   498 }

   500 #------------------------------------------------------------------------------

   501 # Build complete gcc to run on build

   502 do_cc_for_build() {

   503     local -a build_final_opts

   504     local build_final_backend

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

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

   508     # Otherwise, there is nothing to do.

   509     case "${CT_TOOLCHAIN_TYPE}" in

   510         native|cross)   return 0;;

   511     esac

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

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

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

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

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

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

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

   520         build_final_opts+=( "mode=baremetal" )

   521         build_final_opts+=( "build_libgcc=yes" )

   522         build_final_opts+=( "build_libstdcxx=yes" )

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

   524             build_final_opts+=( "build_staticlinked=yes" )

   525         fi

   526         build_final_backend=do_cc_core_backend

   527     else

   528         build_final_backend=do_cc_backend

   529     fi

   531     CT_DoStep INFO "Installing final compiler for build"

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

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

   536     CT_Popd

   537     CT_EndStep

   538 }

   540 #------------------------------------------------------------------------------

   541 # Build final gcc to run on host

   542 do_cc_for_host() {

   543     local -a final_opts

   544     local final_backend

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

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

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

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

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

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

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

   553         final_opts+=( "build_manuals=yes" )

   554     fi

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

   556         final_opts+=( "mode=baremetal" )

   557         final_opts+=( "build_libgcc=yes" )

   558         final_opts+=( "build_libstdcxx=yes" )

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

   560             final_opts+=( "build_staticlinked=yes" )

   561         fi

   562         final_backend=do_cc_core_backend

   563     else

   564         final_backend=do_cc_backend

   565     fi

   567     CT_DoStep INFO "Installing final compiler"

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

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

   572     CT_Popd

   573     CT_EndStep

   574 }

   576 #------------------------------------------------------------------------------

   577 # Build the final gcc

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

   579 #   Parameter     : Definition                          : Type      : Default

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

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

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

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

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

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

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

   587 do_cc_backend() {

   588     local host

   589     local prefix

   590     local complibs

   591     local cflags

   592     local ldflags

   593     local lang_list

   594     local build_manuals

   595     local -a host_libstdcxx_flags

   596     local -a extra_config

   597     local -a final_LDFLAGS

   598     local tmp

   599     local arg

   601     for arg in "$@"; do

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

   603     done

   605     CT_DoLog EXTRA "Configuring gcc"

   607     # Enable selected languages

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

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

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

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

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

   614         fi

   615     done

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

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

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

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

   621     fi

   622     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

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

   624         m)  ;;

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

   626     esac

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

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

   629     else

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

   631     fi

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

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

   634     fi

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

   636         extra_config+=(--enable-libmudflap)

   637     else

   638         extra_config+=(--disable-libmudflap)

   639     fi

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

   641         extra_config+=(--enable-libgomp)

   642     else

   643         extra_config+=(--disable-libgomp)

   644     fi

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

   646         extra_config+=(--enable-libssp)

   647     else

   648         extra_config+=(--disable-libssp)

   649     fi

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

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

   652             extra_config+=(--enable-libquadmath)

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

   654         else

   655             extra_config+=(--disable-libquadmath)

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

   657         fi

   658     fi

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

   662     # *** WARNING ! ***

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

   664     # with the same block in do_cc_core, above.

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

   666         final_LDFLAGS+=("-static")

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

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

   669         host_libstdcxx_flags+=("-lm")

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

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

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

   673         # Ditto libm on some Fedora boxen

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

   675         final_LDFLAGS+=("-lm")

   676     else

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

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

   679             # build script

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

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

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

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

   684             host_libstdcxx_flags+=("-lm")

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

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

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

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

   689             # Ditto libm on some Fedora boxen

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

   691             final_LDFLAGS+=("-lm")

   692         fi

   693     fi

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

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

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

   698     fi

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

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

   701     fi

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

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

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

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

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

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

   708                 host_libstdcxx_flags+=("-lpwl")

   709             fi

   710         fi

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

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

   713         fi

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

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

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

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

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

   719     fi

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

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

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

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

   724     fi

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

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

   728     fi

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

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

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

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

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

   735         fi

   736     else

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

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

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

   740         else

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

   742         fi

   743     fi

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

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

   747     fi

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

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

   750     fi

   752     case "${CT_CC_GCC_LDBL_128}" in

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

   754         m)  ;;

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

   756     esac

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

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

   760     fi

   762     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   763         "") ;;

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

   765     esac

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

   768         extra_config+=( --enable-plugin )

   769     fi

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

   771         extra_config+=( --enable-gold )

   772     fi

   774     case "${CT_ARCH}" in

   775         mips)

   776             case "${CT_CC_GCC_mips_llsc}" in

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

   778                 m)  ;;

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

   780             esac

   781             case "${CT_CC_GCC_mips_synci}" in

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

   783                 m)  ;;

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

   785             esac

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

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

   788             fi

   789             ;; # ARCH is mips

   790     esac

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

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

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

   796     fi

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

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

   800     else

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

   802     fi

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

   806     CT_DoExecLog CFG                                \

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

   808     CFLAGS="${cflags}"                              \

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

   810     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   811     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   812     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

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

   814         --build=${CT_BUILD}                         \

   815         --host=${host}                              \

   816         --target=${CT_TARGET}                       \

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

   818         ${CC_SYSROOT_ARG}                           \

   819         "${extra_config[@]}"                        \

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

   821         --enable-c99                                \

   822         --enable-long-long                          \

   823         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

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

   826         CT_DoLog EXTRA "Building libiberty"

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

   828     fi

   830     CT_DoLog EXTRA "Building gcc"

   831     CT_DoExecLog ALL make ${JOBSFLAGS} all

   833     CT_DoLog EXTRA "Installing gcc"

   834     CT_DoExecLog ALL make ${JOBSFLAGS} install

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

   837         CT_DoLog EXTRA "Building the GCC manuals"

   838         CT_DoExecLog ALL make pdf html

   839         CT_DoLog EXTRA "Installing the GCC manuals"

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

   841     fi

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

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

   845     # check whether compiler has an extension

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

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

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

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

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

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

   853         else

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

   855                            |tail -n +2 ) )

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

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

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

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

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

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

   862                 done

   863             else

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

   865             fi

   866         fi

   867     fi

   868 }

author	"Yann E. MORIN" <yann.morin.1998@free.fr>
	Wed Oct 02 20:06:18 2013 +0200 (2013-10-02)
branch	1.19
changeset 3238	d39abd309eb7
parent 3215	4c63ce24fccd
child 3244	8ff20760e93b
permissions	-rw-r--r--