crosstool-ng: scripts/build/cc/gcc.sh@48f5cb844d26

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

     2 # Copyright 2007 Yann E. MORIN

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

     5 # Download gcc

     6 do_cc_get() {

     7     local linaro_version

     8     local linaro_series

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

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

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

    13     else

    14         # Account for the Linaro versioning

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

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

    17                          )"

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

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

    20                         )"

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

    23         # subdirectories of the same name!

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

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

    26         # subdirectory!

    27         CT_GetFile "gcc-${CT_CC_VERSION}"                                                       \

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

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

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

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

    33     fi # ! custom location

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

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

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

    37     # put it there ourselves

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

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

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

    41     fi

    42 }

    44 # Extract gcc

    45 do_cc_extract() {

    46     # If using custom directory location, nothing to do

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

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

    49         return 0

    50     fi

    52     CT_Extract "gcc-${CT_CC_VERSION}"

    53     CT_Patch "gcc" "${CT_CC_VERSION}"

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

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

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

    58        ]; then

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

    60     fi

    61 }

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

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

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

    66 cc_gcc_lang_list() {

    67     local lang_list

    69     lang_list="c"

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

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

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

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

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

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

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

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

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

    80 }

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

    83 # Core gcc pass 1

    84 do_cc_core_pass_1() {

    85     local -a core_opts

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

    88         return 0

    89     fi

    91     core_opts+=( "mode=static" )

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

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

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

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

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

    97     core_opts+=( "lang_list=c" )

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

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

   102     do_cc_core_backend "${core_opts[@]}"

   104     CT_Popd

   105     CT_EndStep

   106 }

   108 # Core gcc pass 2

   109 do_cc_core_pass_2() {

   110     local -a core_opts

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

   113         return 0

   114     fi

   116     # Common options:

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

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

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

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

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

   122     core_opts+=( "lang_list=c" )

   124     # Different conditions are at stake here:

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

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

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

   128     #     later, we need to build libgcc

   129     case "${CT_THREADS}" in

   130         nptl)

   131             core_opts+=( "mode=shared" )

   132             core_opts+=( "build_libgcc=yes" )

   133             ;;

   134         win32)

   135             core_opts+=( "mode=static" )

   136             core_opts+=( "build_libgcc=yes" )

   137             ;;

   138         *)

   139             core_opts+=( "mode=static" )

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

   141                 core_opts+=( "build_libgcc=yes" )

   142             fi

   143             ;;

   144     esac

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

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

   149     do_cc_core_backend "${core_opts[@]}"

   151     CT_Popd

   152     CT_EndStep

   153 }

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

   156 # Build core gcc

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

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

   159 #   Parameter           : Definition                                : Type      : Default

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

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

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

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

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

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

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

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

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

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

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

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

   172 do_cc_core_backend() {

   173     local mode

   174     local build_libgcc=no

   175     local build_libstdcxx=no

   176     local build_staticlinked=no

   177     local build_manuals=no

   178     local host

   179     local prefix

   180     local complibs

   181     local lang_list

   182     local cflags

   183     local ldflags

   184     local tmp

   185     local -a host_libstdcxx_flags

   186     local -a extra_config

   187     local -a core_LDFLAGS

   188     local -a core_targets

   189     local arg

   191     for arg in "$@"; do

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

   193     done

   195     CT_DoLog EXTRA "Configuring gcc"

   197     case "${mode}" in

   198         static)

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

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

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

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

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

   204             ;;

   205         shared)

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

   207             copy_headers=y

   208             ;;

   209         baremetal)

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

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

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

   213             copy_headers=n

   214             ;;

   215         *)

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

   217             ;;

   218     esac

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

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

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

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

   224     fi

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

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

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

   229     fi

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

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

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

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

   235         fi

   236     done

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

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

   239     else

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

   241     fi

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

   245     # *** WARNING ! ***

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

   247     # with the same block in do_cc, below.

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

   249         core_LDFLAGS+=("-static")

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

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

   252         host_libstdcxx_flags+=("-lm")

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

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

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

   256         # Ditto libm on some Fedora boxen

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

   258         core_LDFLAGS+=("-lm")

   259     else

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

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

   262             # build script

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

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

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

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

   267             host_libstdcxx_flags+=("-lm")

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

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

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

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

   272             # Ditto libm on some Fedora boxen

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

   274             core_LDFLAGS+=("-lm")

   275         fi

   276     fi

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

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

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

   281     fi

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

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

   284     fi

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

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

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

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

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

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

   291                 host_libstdcxx_flags+=("-lpwl")

   292             fi

   293         fi

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

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

   296         fi

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

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

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

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

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

   302     fi

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

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

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

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

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

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

   309     fi

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

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

   313     fi

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

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

   317     fi

   319     case "${CT_CC_GCC_LDBL_128}" in

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

   321         m)  ;;

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

   323     esac

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

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

   327     fi

   329     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   330         "") ;;

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

   332     esac

   334     case "${CT_ARCH}" in

   335         mips)

   336             case "${CT_CC_GCC_mips_llsc}" in

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

   338                 m)  ;;

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

   340             esac

   341             case "${CT_CC_GCC_mips_synci}" in

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

   343                 m)  ;;

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

   345             esac

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

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

   348             fi

   349             ;; # ARCH is mips

   350     esac

   352     extra_config+=(--disable-libgomp)

   353     extra_config+=(--disable-libmudflap)

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

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

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

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

   361     fi

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

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

   365     else

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

   367     fi

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

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

   372     CT_DoExecLog CFG                                \

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

   374     CFLAGS="${cflags}"                              \

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

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

   377         --build=${CT_BUILD}                         \

   378         --host=${host}                              \

   379         --target=${CT_TARGET}                       \

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

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

   382         --disable-libmudflap                        \

   383         ${CC_CORE_SYSROOT_ARG}                      \

   384         "${extra_config[@]}"                        \

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

   386         "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"

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

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

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

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

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

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

   394         # cross toolchain during the final gcc build.

   395         #

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

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

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

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

   400         #

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

   402         # so we configure then build it.

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

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

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

   406             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

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

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

   409             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   410         else

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

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

   413         fi

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

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

   416             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

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

   418         fi

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

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

   421             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libbacktrace

   422             CT_DoExecLog ALL make ${JOBSFLAGS} -C libbacktrace

   423         fi

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

   426         # and libgcc.mvars is used instead.

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

   429             libgcc_rule="libgcc.mvars"

   430             core_targets=( gcc target-libgcc )

   431         else

   432             libgcc_rule="libgcc.mk"

   433             core_targets=( gcc )

   434         fi

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

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

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

   439         # configurations.

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

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

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

   443                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   444         else

   445             repair_cc=""

   446         fi

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

   449                               ${repair_cc}

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

   451     else # build_libgcc

   452         core_targets=( gcc )

   453     fi   # ! build libgcc

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

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

   456        ]; then

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

   458     fi

   460     CT_DoLog EXTRA "Building gcc"

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

   463     CT_DoLog EXTRA "Installing gcc"

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

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

   467         CT_DoLog EXTRA "Building the GCC manuals"

   468         CT_DoExecLog ALL make pdf html

   469         CT_DoLog EXTRA "Installing the GCC manuals"

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

   471     fi

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

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

   475     # check whether compiler has an extension

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

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

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

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

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

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

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

   484         else

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

   486                            |tail -n +2 ) )

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

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

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

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

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

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

   493                 done

   494             else

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

   496            fi

   497         fi

   498     fi

   499 }

   501 #------------------------------------------------------------------------------

   502 # Build complete gcc to run on build

   503 do_cc_for_build() {

   504     local -a build_final_opts

   505     local build_final_backend

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

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

   509     # Otherwise, there is nothing to do.

   510     case "${CT_TOOLCHAIN_TYPE}" in

   511         native|cross)   return 0;;

   512     esac

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

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

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

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

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

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

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

   521         build_final_opts+=( "mode=baremetal" )

   522         build_final_opts+=( "build_libgcc=yes" )

   523         build_final_opts+=( "build_libstdcxx=yes" )

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

   525             build_final_opts+=( "build_staticlinked=yes" )

   526         fi

   527         build_final_backend=do_cc_core_backend

   528     else

   529         build_final_backend=do_cc_backend

   530     fi

   532     CT_DoStep INFO "Installing final compiler for build"

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

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

   537     CT_Popd

   538     CT_EndStep

   539 }

   541 #------------------------------------------------------------------------------

   542 # Build final gcc to run on host

   543 do_cc_for_host() {

   544     local -a final_opts

   545     local final_backend

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

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

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

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

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

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

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

   554         final_opts+=( "build_manuals=yes" )

   555     fi

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

   557         final_opts+=( "mode=baremetal" )

   558         final_opts+=( "build_libgcc=yes" )

   559         final_opts+=( "build_libstdcxx=yes" )

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

   561             final_opts+=( "build_staticlinked=yes" )

   562         fi

   563         final_backend=do_cc_core_backend

   564     else

   565         final_backend=do_cc_backend

   566     fi

   568     CT_DoStep INFO "Installing final compiler"

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

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

   573     CT_Popd

   574     CT_EndStep

   575 }

   577 #------------------------------------------------------------------------------

   578 # Build the final gcc

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

   580 #   Parameter     : Definition                          : Type      : Default

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

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

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

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

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

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

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

   588 do_cc_backend() {

   589     local host

   590     local prefix

   591     local complibs

   592     local cflags

   593     local ldflags

   594     local lang_list

   595     local build_manuals

   596     local -a host_libstdcxx_flags

   597     local -a extra_config

   598     local -a final_LDFLAGS

   599     local tmp

   600     local arg

   602     for arg in "$@"; do

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

   604     done

   606     CT_DoLog EXTRA "Configuring gcc"

   608     # Enable selected languages

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

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

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

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

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

   615         fi

   616     done

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

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

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

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

   622     fi

   623     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

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

   625         m)  ;;

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

   627     esac

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

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

   630     else

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

   632     fi

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

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

   635     fi

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

   637         extra_config+=(--enable-libmudflap)

   638     else

   639         extra_config+=(--disable-libmudflap)

   640     fi

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

   642         extra_config+=(--enable-libgomp)

   643     else

   644         extra_config+=(--disable-libgomp)

   645     fi

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

   647         extra_config+=(--enable-libssp)

   648     else

   649         extra_config+=(--disable-libssp)

   650     fi

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

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

   653             extra_config+=(--enable-libquadmath)

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

   655         else

   656             extra_config+=(--disable-libquadmath)

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

   658         fi

   659     fi

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

   663     # *** WARNING ! ***

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

   665     # with the same block in do_cc_core, above.

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

   667         final_LDFLAGS+=("-static")

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

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

   670         host_libstdcxx_flags+=("-lm")

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

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

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

   674         # Ditto libm on some Fedora boxen

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

   676         final_LDFLAGS+=("-lm")

   677     else

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

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

   680             # build script

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

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

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

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

   685             host_libstdcxx_flags+=("-lm")

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

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

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

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

   690             # Ditto libm on some Fedora boxen

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

   692             final_LDFLAGS+=("-lm")

   693         fi

   694     fi

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

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

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

   699     fi

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

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

   702     fi

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

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

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

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

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

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

   709                 host_libstdcxx_flags+=("-lpwl")

   710             fi

   711         fi

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

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

   714         fi

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

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

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

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

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

   720     fi

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

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

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

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

   725     fi

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

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

   729     fi

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

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

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

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

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

   736         fi

   737     else

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

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

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

   741         else

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

   743         fi

   744     fi

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

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

   748     fi

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

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

   751     fi

   753     case "${CT_CC_GCC_LDBL_128}" in

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

   755         m)  ;;

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

   757     esac

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

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

   761     fi

   763     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   764         "") ;;

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

   766     esac

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

   769         extra_config+=( --enable-plugin )

   770     fi

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

   772         extra_config+=( --enable-gold )

   773     fi

   775     case "${CT_ARCH}" in

   776         mips)

   777             case "${CT_CC_GCC_mips_llsc}" in

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

   779                 m)  ;;

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

   781             esac

   782             case "${CT_CC_GCC_mips_synci}" in

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

   784                 m)  ;;

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

   786             esac

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

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

   789             fi

   790             ;; # ARCH is mips

   791     esac

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

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

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

   797     fi

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

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

   801     else

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

   803     fi

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

   807     CT_DoExecLog CFG                                \

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

   809     CFLAGS="${cflags}"                              \

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

   811     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   812     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   813     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

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

   815         --build=${CT_BUILD}                         \

   816         --host=${host}                              \

   817         --target=${CT_TARGET}                       \

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

   819         ${CC_SYSROOT_ARG}                           \

   820         "${extra_config[@]}"                        \

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

   822         --enable-c99                                \

   823         --enable-long-long                          \

   824         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

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

   827         CT_DoLog EXTRA "Building libiberty"

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

   829     fi

   831     CT_DoLog EXTRA "Building gcc"

   832     CT_DoExecLog ALL make ${JOBSFLAGS} all

   834     CT_DoLog EXTRA "Installing gcc"

   835     CT_DoExecLog ALL make ${JOBSFLAGS} install

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

   838         CT_DoLog EXTRA "Building the GCC manuals"

   839         CT_DoExecLog ALL make pdf html

   840         CT_DoLog EXTRA "Installing the GCC manuals"

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

   842     fi

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

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

   846     # check whether compiler has an extension

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

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

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

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

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

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

   854         else

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

   856                            |tail -n +2 ) )

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

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

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

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

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

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

   863                 done

   864             else

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

   866             fi

   867         fi

   868     fi

   869 }

author	Daniel Zimmermann <netzimme@gmail.com>
	Sat Nov 16 11:33:31 2013 +0100 (2013-11-16)
changeset 3250	48f5cb844d26
parent 3217	15eedf548d33
child 3254	e2e0f34eab6c
permissions	-rw-r--r--