crosstool-ng: scripts/build/cc/gcc.sh@069f43a215cc

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

     2 # Copyright 2007 Yann E. MORIN

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

     5 # Download gcc

     6 do_cc_get() {

     7     local linaro_version

     8     local linaro_series

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

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

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

    13     else

    14         # Account for the Linaro versioning

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

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

    17                          )"

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

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

    20                         )"

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

    23         # subdirectories of the same name!

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

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

    26         # subdirectory!

    27         CT_GetFile "gcc-${CT_CC_VERSION}"                                                       \

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

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

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

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

    33     fi # ! custom location

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

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

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

    37     # put it there ourselves

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

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

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

    41     fi

    42 }

    44 # Extract gcc

    45 do_cc_extract() {

    46     # If using custom directory location, nothing to do

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

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

    49         return 0

    50     fi

    52     CT_Extract "gcc-${CT_CC_VERSION}"

    53     CT_Patch "gcc" "${CT_CC_VERSION}"

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

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

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

    58        ]; then

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

    60     fi

    61 }

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

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

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

    66 cc_gcc_lang_list() {

    67     local lang_list

    69     lang_list="c"

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

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

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

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

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

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

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

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

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

    80 }

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

    83 # Core gcc pass 1

    84 do_cc_core_pass_1() {

    85     local -a core_opts

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

    88         return 0

    89     fi

    91     core_opts+=( "mode=static" )

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

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

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

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

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

    97     core_opts+=( "lang_list=c" )

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

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

   102     do_cc_core_backend "${core_opts[@]}"

   104     CT_Popd

   105     CT_EndStep

   106 }

   108 # Core gcc pass 2

   109 do_cc_core_pass_2() {

   110     local -a core_opts

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

   113         return 0

   114     fi

   116     # Common options:

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

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

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

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

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

   122     core_opts+=( "lang_list=c" )

   124     # Different conditions are at stake here:

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

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

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

   128     #     later, we need to build libgcc

   129     case "${CT_THREADS}" in

   130         nptl)

   131             core_opts+=( "mode=shared" )

   132             core_opts+=( "build_libgcc=yes" )

   133             ;;

   134         win32)

   135             core_opts+=( "mode=static" )

   136             core_opts+=( "build_libgcc=yes" )

   137             ;;

   138         *)

   139             core_opts+=( "mode=static" )

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

   141                 core_opts+=( "build_libgcc=yes" )

   142             fi

   143             ;;

   144     esac

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

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

   149     do_cc_core_backend "${core_opts[@]}"

   151     CT_Popd

   152     CT_EndStep

   153 }

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

   156 # Build core gcc

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

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

   159 #   Parameter           : Definition                                : Type      : Default

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

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

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

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

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

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

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

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

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

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

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

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

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

   173 do_cc_core_backend() {

   174     local mode

   175     local build_libgcc=no

   176     local build_libstdcxx=no

   177     local build_libgfortran=no

   178     local build_staticlinked=no

   179     local build_manuals=no

   180     local host

   181     local prefix

   182     local complibs

   183     local lang_list

   184     local cflags

   185     local ldflags

   186     local tmp

   187     local -a host_libstdcxx_flags

   188     local -a extra_config

   189     local -a core_LDFLAGS

   190     local -a core_targets

   191     local -a extra_user_config

   192     local arg

   194     for arg in "$@"; do

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

   196     done

   198     CT_DoLog EXTRA "Configuring gcc"

   200     case "${mode}" in

   201         static)

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

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

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

   205             extra_user_config=( "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}" )

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

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

   208             ;;

   209         shared)

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

   211             extra_user_config=( "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}" )

   212             copy_headers=y

   213             ;;

   214         baremetal)

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

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

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

   218             extra_user_config=( "${CT_CC_EXTRA_CONFIG_ARRAY[@]}" )

   219             copy_headers=n

   220             ;;

   221         *)

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

   223             ;;

   224     esac

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

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

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

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

   230     fi

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

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

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

   235     fi

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

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

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

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

   241         fi

   242     done

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

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

   245     else

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

   247     fi

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

   251     # *** WARNING ! ***

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

   253     # with the same block in do_cc, below.

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

   255         core_LDFLAGS+=("-static")

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

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

   258         host_libstdcxx_flags+=("-lm")

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

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

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

   262         # Ditto libm on some Fedora boxen

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

   264         core_LDFLAGS+=("-lm")

   265     else

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

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

   268             # build script

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

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

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

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

   273             host_libstdcxx_flags+=("-lm")

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

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

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

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

   278             # Ditto libm on some Fedora boxen

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

   280             core_LDFLAGS+=("-lm")

   281         fi

   282     fi

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

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

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

   287     fi

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

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

   290     fi

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

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

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

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

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

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

   297                 host_libstdcxx_flags+=("-lpwl")

   298             fi

   299         fi

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

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

   302         fi

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

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

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

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

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

   308     fi

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

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

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

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

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

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

   315     fi

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

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

   319     fi

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

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

   323     fi

   325     case "${CT_CC_GCC_LDBL_128}" in

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

   327         m)  ;;

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

   329     esac

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

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

   333     fi

   335     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   336         "") ;;

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

   338     esac

   340     case "${CT_CC_GCC_DEC_FLOATS}" in

   341         "") ;;

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

   343     esac

   345     case "${CT_ARCH}" in

   346         mips)

   347             case "${CT_CC_GCC_mips_llsc}" in

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

   349                 m)  ;;

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

   351             esac

   352             case "${CT_CC_GCC_mips_synci}" in

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

   354                 m)  ;;

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

   356             esac

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

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

   359             fi

   360             ;; # ARCH is mips

   361     esac

   363     extra_config+=(--disable-libgomp)

   364     extra_config+=(--disable-libmudflap)

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

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

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

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

   372     fi

   374     # Some versions of gcc have a deffective --enable-multilib.

   375     # Since that's the default, only pass --disable-multilib.

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

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

   378     fi

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

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

   383     CT_DoExecLog CFG                                \

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

   385     CFLAGS="${cflags}"                              \

   386     CXXFLAGS="${cflags}"                            \

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

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

   389         --build=${CT_BUILD}                         \

   390         --host=${host}                              \

   391         --target=${CT_TARGET}                       \

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

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

   394         --disable-libmudflap                        \

   395         ${CC_CORE_SYSROOT_ARG}                      \

   396         "${extra_config[@]}"                        \

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

   398         "${extra_user_config[@]}"

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

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

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

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

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

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

   406         # cross toolchain during the final gcc build.

   407         #

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

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

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

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

   412         #

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

   414         # so we configure then build it.

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

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

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

   418             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

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

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

   421             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   422         else

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

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

   425         fi

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

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

   428             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

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

   430         fi

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

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

   433             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libbacktrace

   434             CT_DoExecLog ALL make ${JOBSFLAGS} -C libbacktrace

   435         fi

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

   438         # and libgcc.mvars is used instead.

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

   441             libgcc_rule="libgcc.mvars"

   442             core_targets=( gcc target-libgcc )

   443         else

   444             libgcc_rule="libgcc.mk"

   445             core_targets=( gcc )

   446         fi

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

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

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

   451         # configurations.

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

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

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

   455                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   456         else

   457             repair_cc=""

   458         fi

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

   461                               ${repair_cc}

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

   463     else # build_libgcc

   464         core_targets=( gcc )

   465     fi   # ! build libgcc

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

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

   468        ]; then

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

   470     fi

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

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

   474        ]; then

   475         core_targets+=( target-libgfortran )

   476     fi

   478     CT_DoLog EXTRA "Building gcc"

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

   481     CT_DoLog EXTRA "Installing gcc"

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

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

   485         CT_DoLog EXTRA "Building the GCC manuals"

   486         CT_DoExecLog ALL make pdf html

   487         CT_DoLog EXTRA "Installing the GCC manuals"

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

   489     fi

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

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

   493     # check whether compiler has an extension

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

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

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

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

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

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

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

   502         else

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

   504                            |tail -n +2 ) )

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

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

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

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

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

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

   511                 done

   512             else

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

   514            fi

   515         fi

   516     fi

   517 }

   519 #------------------------------------------------------------------------------

   520 # Build complete gcc to run on build

   521 do_cc_for_build() {

   522     local -a build_final_opts

   523     local build_final_backend

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

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

   527     # Otherwise, there is nothing to do.

   528     case "${CT_TOOLCHAIN_TYPE}" in

   529         native|cross)   return 0;;

   530     esac

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

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

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

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

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

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

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

   539         build_final_opts+=( "mode=baremetal" )

   540         build_final_opts+=( "build_libgcc=yes" )

   541         build_final_opts+=( "build_libstdcxx=yes" )

   542         build_final_opts+=( "build_libgfortran=yes" )

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

   544             build_final_opts+=( "build_staticlinked=yes" )

   545         fi

   546         build_final_backend=do_cc_core_backend

   547     else

   548         build_final_backend=do_cc_backend

   549     fi

   551     CT_DoStep INFO "Installing final compiler for build"

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

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

   556     CT_Popd

   557     CT_EndStep

   558 }

   560 #------------------------------------------------------------------------------

   561 # Build final gcc to run on host

   562 do_cc_for_host() {

   563     local -a final_opts

   564     local final_backend

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

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

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

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

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

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

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

   573         final_opts+=( "build_manuals=yes" )

   574     fi

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

   576         final_opts+=( "mode=baremetal" )

   577         final_opts+=( "build_libgcc=yes" )

   578         final_opts+=( "build_libstdcxx=yes" )

   579         final_opts+=( "build_libgfortran=yes" )

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

   581             final_opts+=( "build_staticlinked=yes" )

   582         fi

   583         final_backend=do_cc_core_backend

   584     else

   585         final_backend=do_cc_backend

   586     fi

   588     CT_DoStep INFO "Installing final compiler"

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

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

   593     CT_Popd

   594     CT_EndStep

   595 }

   597 #------------------------------------------------------------------------------

   598 # Build the final gcc

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

   600 #   Parameter     : Definition                          : Type      : Default

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

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

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

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

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

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

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

   608 do_cc_backend() {

   609     local host

   610     local prefix

   611     local complibs

   612     local cflags

   613     local ldflags

   614     local lang_list

   615     local build_manuals

   616     local -a host_libstdcxx_flags

   617     local -a extra_config

   618     local -a final_LDFLAGS

   619     local tmp

   620     local arg

   622     for arg in "$@"; do

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

   624     done

   626     CT_DoLog EXTRA "Configuring gcc"

   628     # Enable selected languages

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

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

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

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

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

   635         fi

   636     done

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

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

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

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

   642     fi

   643     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

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

   645         m)  ;;

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

   647     esac

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

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

   650     else

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

   652     fi

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

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

   655     fi

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

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

   658             extra_config+=(--disable-libatomic)

   659         fi

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

   661             extra_config+=(--disable-libsanitizer)

   662         fi

   663     fi

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

   665         extra_config+=(--enable-libmudflap)

   666     else

   667         extra_config+=(--disable-libmudflap)

   668     fi

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

   670         extra_config+=(--enable-libgomp)

   671     else

   672         extra_config+=(--disable-libgomp)

   673     fi

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

   675         extra_config+=(--enable-libssp)

   676     else

   677         extra_config+=(--disable-libssp)

   678     fi

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

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

   681             extra_config+=(--enable-libquadmath)

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

   683         else

   684             extra_config+=(--disable-libquadmath)

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

   686         fi

   687     fi

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

   691     # *** WARNING ! ***

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

   693     # with the same block in do_cc_core, above.

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

   695         final_LDFLAGS+=("-static")

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

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

   698         host_libstdcxx_flags+=("-lm")

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

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

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

   702         # Ditto libm on some Fedora boxen

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

   704         final_LDFLAGS+=("-lm")

   705     else

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

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

   708             # build script

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

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

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

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

   713             host_libstdcxx_flags+=("-lm")

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

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

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

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

   718             # Ditto libm on some Fedora boxen

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

   720             final_LDFLAGS+=("-lm")

   721         fi

   722     fi

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

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

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

   727     fi

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

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

   730     fi

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

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

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

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

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

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

   737                 host_libstdcxx_flags+=("-lpwl")

   738             fi

   739         fi

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

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

   742         fi

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

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

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

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

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

   748     fi

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

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

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

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

   753     fi

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

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

   757     fi

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

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

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

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

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

   764         fi

   765     else

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

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

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

   769         else

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

   771         fi

   772     fi

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

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

   776     fi

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

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

   779     fi

   781     case "${CT_CC_GCC_LDBL_128}" in

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

   783         m)  ;;

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

   785     esac

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

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

   789     fi

   791     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   792         "") ;;

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

   794     esac

   796     case "${CT_CC_GCC_DEC_FLOATS}" in

   797         "") ;;

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

   799     esac

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

   802         extra_config+=( --enable-plugin )

   803     fi

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

   805         extra_config+=( --enable-gold )

   806     fi

   808     case "${CT_ARCH}" in

   809         mips)

   810             case "${CT_CC_GCC_mips_llsc}" in

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

   812                 m)  ;;

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

   814             esac

   815             case "${CT_CC_GCC_mips_synci}" in

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

   817                 m)  ;;

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

   819             esac

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

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

   822             fi

   823             ;; # ARCH is mips

   824     esac

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

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

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

   830     fi

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

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

   834     else

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

   836     fi

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

   840     CT_DoExecLog CFG                                \

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

   842     CFLAGS="${cflags}"                              \

   843     CXXFLAGS="${cflags}"                            \

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

   845     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   846     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   847     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

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

   849         --build=${CT_BUILD}                         \

   850         --host=${host}                              \

   851         --target=${CT_TARGET}                       \

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

   853         ${CC_SYSROOT_ARG}                           \

   854         "${extra_config[@]}"                        \

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

   856         --enable-c99                                \

   857         --enable-long-long                          \

   858         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

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

   861         CT_DoLog EXTRA "Building libiberty"

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

   863     fi

   865     CT_DoLog EXTRA "Building gcc"

   866     CT_DoExecLog ALL make ${JOBSFLAGS} all

   868     CT_DoLog EXTRA "Installing gcc"

   869     CT_DoExecLog ALL make ${JOBSFLAGS} install

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

   872         CT_DoLog EXTRA "Building the GCC manuals"

   873         CT_DoExecLog ALL make pdf html

   874         CT_DoLog EXTRA "Installing the GCC manuals"

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

   876     fi

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

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

   880     # check whether compiler has an extension

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

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

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

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

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

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

   888         else

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

   890                            |tail -n +2 ) )

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

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

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

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

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

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

   897                 done

   898             else

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

   900             fi

   901         fi

   902     fi

   903 }

author	"Yann E. MORIN" <yann.morin.1998@free.fr>
	Wed Jun 25 23:33:01 2014 +0200 (2014-06-25)
changeset 3325	069f43a215cc
parent 3311	e35fa03cd204
permissions	-rw-r--r--