| 1 | #!/bin/bash
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| 2 |
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| 3 | # cross-lfs target gcc build
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| 4 | # --------------------------
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| 5 | # $LastChangedBy$
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| 6 | # $LastChangedDate$
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| 7 | # $LastChangedRevision$
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| 8 | # $HeadURL$
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| 9 | #
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| 10 |
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| 11 | cd ${SRC}
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| 12 |
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| 13 | LOG="gcc-target.log"
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| 14 |
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| 15 | set_libdirname
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| 16 | setup_multiarch
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| 17 |
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| 18 | if [ "${USE_SYSROOT}" = "Y" ]; then
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| 19 | BUILD_PREFIX=/usr
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| 20 | INSTALL_PREFIX="${LFS}${BUILD_PREFIX}"
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| 21 | INSTALL_OPTIONS="DESTDIR=${LFS}"
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| 22 | else
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| 23 | BUILD_PREFIX=${TGT_TOOLS}
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| 24 | INSTALL_PREFIX="${TGT_TOOLS}"
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| 25 | INSTALL_OPTIONS=""
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| 26 | fi
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| 27 |
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| 28 | if [ ! "${libdirname}" = "lib" ]; then
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| 29 | extra_conf="${extra_conf} --libdir=${BUILD_PREFIX}/${libdirname}"
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| 30 | fi
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| 31 |
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| 32 | if [ "Y" = "${MULTIARCH}" ]; then
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| 33 | vendor_os=`echo ${TARGET} | sed 's@\([^-]*\)-\(.*\)@\2@'`
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| 34 | case ${TGT_ARCH} in
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| 35 | x86_64 )
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| 36 | TARGET=x86_64-${vendor_os}
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| 37 | ;;
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| 38 | sparc64* )
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| 39 | TARGET=sparc64-${vendor_os}
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| 40 | ;;
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| 41 | sparc* )
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| 42 | TARGET=sparc64-${vendor_os}
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| 43 | ;;
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| 44 | powerpc* | ppc* )
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| 45 | TARGET=powerpc64-${vendor_os}
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| 46 | ;;
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| 47 | s390* )
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| 48 | TARGET=s390x-${vendor_os}
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| 49 | ;;
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| 50 | mips*el* )
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| 51 | TARGET=mips64el-${vendor_os}
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| 52 | ;;
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| 53 | * )
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| 54 | # TODO: add some error messages etc
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| 55 | barf
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| 56 | ;;
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| 57 | esac
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| 58 | else
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| 59 | # If we are not bi-arch, disable multilib
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| 60 | extra_conf="${extra_conf} --enable-multilib=no"
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| 61 |
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| 62 | # HACK: this sets abi to n32 with mips... this should be handled
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| 63 | # by the multiarch funcs somehow... and set according to DEFAULTENV
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| 64 | case ${TGT_ARCH} in
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| 65 | mips* )
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| 66 | extra_conf="${extra_conf} --with-abi=${DEFAULTENV}"
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| 67 | ;;
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| 68 | esac
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| 69 | fi
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| 70 |
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| 71 | # if target has no floating point unit, use soft float
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| 72 | if [ "${WITHOUT_FPU}" = "Y" ]; then
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| 73 | extra_conf="${extra_conf} --with-float=soft"
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| 74 | fi
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| 75 |
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| 76 | unpack_tarball gcc-${GCC_VER}
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| 77 |
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| 78 | #3.0 20030427
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| 79 | # Cannot trust ${GCC_VER} to supply us with the correct
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| 80 | # gcc version (especially if cvs).
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| 81 | # Grab it straight from version.c
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| 82 | cd ${SRC}/${PKGDIR}
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| 83 | target_gcc_ver=`grep version_string gcc/version.c | \
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| 84 | sed 's@.* = \(\|"\)\([0-9.]*\).*@\2@g'`
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| 85 | # As of gcc4, the above doesn't cut it... check gcc/BASE-VER
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| 86 | if [ -z "${target_gcc_ver}" -a -f gcc/BASE-VER ]; then
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| 87 | target_gcc_ver=`cat gcc/BASE-VER`
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| 88 | fi
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| 89 |
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| 90 | # Apply linkonce patch for gcc (should be fixed come gcc 3.4.4)
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| 91 | cd ${SRC}/${PKGDIR}
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| 92 | case ${target_gcc_ver} in
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| 93 | 3.4.3 ) apply_patch gcc-3.4.3-linkonce-1
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| 94 | apply_patch gcc-3.4.0-arm-bigendian
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| 95 | apply_patch gcc-3.4.0-arm-nolibfloat
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| 96 | apply_patch gcc-3.4.0-arm-lib1asm
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| 97 | apply_patch gcc-3.4.3-clean_exec_and_lib_search_paths_when_cross-1
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| 98 | ;;
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| 99 | 4.0.0 ) apply_patch gcc-4.0.0-fix_tree_optimisation_PR21173
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| 100 | apply_patch gcc-4.0.0-reload_check_uninitialized_pseudos_PR20973
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| 101 | apply_patch gcc-4.0.0-clean_exec_and_lib_search_paths_when_cross-1
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| 102 | ;;
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| 103 | esac
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| 104 |
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| 105 | # if we are using gcc-3.4x, set libexecdir to */${libdirname}
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| 106 | case ${target_gcc_ver} in
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| 107 | 3.4* | 4.* )
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| 108 | extra_conf="${extra_conf} --libexecdir=${BUILD_PREFIX}/${libdirname}"
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| 109 | ;;
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| 110 | esac
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| 111 |
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| 112 | # HACK: should at least check if any of these are set first
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| 113 | ARCH_CFLAGS="${TGT_CFLAGS} ${ARCH_CFLAGS}"
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| 114 |
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| 115 | # if target is same as build host, adjust build slightly to avoid running
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| 116 | # configure checks which we cannot run
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| 117 | if [ "${TARGET}" = "${BUILD}" ]; then
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| 118 | BUILD=`echo ${BUILD} | sed 's@\([_a-zA-Z0-9]*\)\(-[_a-zA-Z0-9]*\)\(.*\)@\1\2x\3@'`
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| 119 | fi
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| 120 |
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| 121 | if [ ! "${USE_SYSROOT}" = "Y" ]; then
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| 122 | # LFS style build
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| 123 | #----------------
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| 124 |
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| 125 | # source functions for required gcc modifications
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| 126 | . ${SCRIPTS}/funcs/cross_gcc-funcs.sh
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| 127 |
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| 128 | # Alter the generated specs file to
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| 129 | # o set dynamic linker to be under ${TGT_TOOLS}/lib{,32,64}
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| 130 | # o set startfile_prefix_spec so we search for startfiles
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| 131 | # under ${TGT_TOOLS}/lib/lib{,32,64}
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| 132 | gcc_specs_mod
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| 133 |
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| 134 | # We need to stop cpp using /usr/include as the standard include directory.
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| 135 | # This is defined in gcc/cppdefault.c using STANDARD_INCLUDE_DIR
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| 136 | cpp_undef_standard_include_dir
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| 137 |
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| 138 | # We need to override SYSTEM_HEADER_DIR so fixincludes only fixes
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| 139 | # headers under ${TGT_TOOLS}
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| 140 | fixincludes_set_native_system_header_dir
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| 141 | fi
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| 142 |
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| 143 | # HACKS
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| 144 | #-------
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| 145 | # This here is a hack. mklibgcc runs the created xgcc for determining
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| 146 | # the multilib dirs and multilib os dirs. Only problem here is we are
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| 147 | # cross building a native compiler so we cannot actually run xgcc.
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| 148 | # We get around this by substituting our cross-compiler here for xgcc,
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| 149 | # by rights it should have the same specs and produce the expected results
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| 150 | cd ${SRC}/${PKGDIR}/gcc
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| 151 | test -f mklibgcc.in-ORIG ||
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| 152 | mv mklibgcc.in mklibgcc.in-ORIG
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| 153 |
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| 154 | sed "s@\./xgcc@${HST_TOOLS}/bin/${TARGET}-gcc@g" \
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| 155 | mklibgcc.in-ORIG > mklibgcc.in
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| 156 |
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| 157 | # A similar problem exists when setting MULTILIBS on the environment
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| 158 | # for the mklibgcc script for generation of libgcc.mk .
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| 159 | # Here we will force it to use our cross-compiler to produce the results
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| 160 | # of gcc --print-multi-lib
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| 161 | sed -i "/MULTILIBS/s@\$(GCC_FOR_TARGET)@${HST_TOOLS}/bin/${TARGET}-gcc@g" \
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| 162 | Makefile.in
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| 163 |
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| 164 | # When cross-building a target native compiler we run into big issues
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| 165 | # when determining assembler and linker features required for tls support,
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| 166 | # ( not to mention which nm, objdump et al to use ) during the configures
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| 167 | # triggered by make.
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| 168 | #
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| 169 | # Gcc's configury does not take into account the fact that when cross
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| 170 | # building the target native compiler we are _still_ actually cross-compiling.
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| 171 | # As far as it is concerned during the final configure fragment host = target,
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| 172 | # it doesn't check whether host = build.
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| 173 | #
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| 174 | # It then performs its checks for binutils components as if this was a standard
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| 175 | # host native build.
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| 176 | #
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| 177 | # If a target native binutils was installed before attempting to build gcc
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| 178 | # it will try to use the created ld, as etc under ${TGT_TOOLS}
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| 179 | # This obviously will not work, they will not run on the host.
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| 180 | #
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| 181 | # If the target native binutils hasn't been built yet it will use the
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| 182 | # as ld et al from the _build_ host.
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| 183 | # This quite frankly sucks rocks.
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| 184 | #
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| 185 | # The following patch fixes this behaviour, enforcing usage of our
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| 186 | # cross-tools for configure checks if host = target and host != build
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| 187 | #
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| 188 | # NOTE: 20050507 This doesn't appear to be necessary for gcc 4.x :-)
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| 189 | # This of course will have to be checked thoroughly...
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| 190 |
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| 191 | # TODO: Add patches for gcc-3.3 series as well
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| 192 | cd ${SRC}/${PKGDIR}
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| 193 | case ${target_gcc_ver} in
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| 194 | 3.4* )
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| 195 | apply_patch gcc-3.4.1-fix_configure_for_target_native
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| 196 | ;;
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| 197 | 4.* )
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| 198 | # Testing only... set AS_FOR_TARGET and LD_FOR_TARGET so these are used
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| 199 | # for feature checks... will have to check for unintended side effects
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| 200 | extra_makeopts="AS_FOR_TARGET=${HST_TOOLS}/bin/${TARGET}-as"
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| 201 | extra_makeopts="${extra_makeopts} LD_FOR_TARGET=${HST_TOOLS}/bin/${TARGET}-ld"
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| 202 | ;;
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| 203 | esac
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| 204 | #
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| 205 | # End HACKS
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| 206 |
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| 207 | test -d ${SRC}/gcc-${GCC_VER}-target &&
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| 208 | rm -rf ${SRC}/gcc-${GCC_VER}-target
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| 209 |
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| 210 | mkdir -p ${SRC}/gcc-${GCC_VER}-target &&
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| 211 | cd ${SRC}/gcc-${GCC_VER}-target &&
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| 212 |
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| 213 | max_log_init Gcc ${GCC_VER} cross-pt2 ${CONFLOGS} ${LOG}
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| 214 | #CONFIG_SHELL=/bin/bash \
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| 215 | CFLAGS="-O2 -pipe" \
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| 216 | CXXFLAGS="-O2 -pipe" \
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| 217 | CC="${TARGET}-gcc ${ARCH_CFLAGS}" \
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| 218 | ../${PKGDIR}/configure --prefix=${BUILD_PREFIX} \
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| 219 | --build=${BUILD} --host=${TARGET} --target=${TARGET} \
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| 220 | --enable-languages=c,c++ --enable-__cxa_atexit \
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| 221 | --enable-c99 --enable-long-long --enable-threads=posix \
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| 222 | --disable-nls --enable-shared ${extra_conf} \
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| 223 | >> ${LOGFILE} 2>&1 &&
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| 224 | echo " o Configure OK" || barf
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| 225 | # --enable-languages=c,c++,f77,objc,ada,java,pascal,treelang --enable-__cxa_atexit \
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| 226 | # --enable-version-specific-runtime-libs \
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| 227 |
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| 228 | min_log_init ${BUILDLOGS} &&
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| 229 | make ${PMFLAGS} BOOT_LDFLAGS="-s" BOOT_CFLAGS="-O2 ${HOST_CFLAGS} -pipe" \
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| 230 | STAGE1_CFLAGS="-O2 ${HOST_CFLAGS} -pipe" ${extra_makeopts} all \
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| 231 | >> ${LOGFILE} 2>&1 &&
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| 232 | echo " o Build OK" || barf
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| 233 |
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| 234 | min_log_init ${INSTLOGS} &&
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| 235 | make ${INSTALL_OPTIONS} install \
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| 236 | >> ${LOGFILE} 2>&1 &&
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| 237 | echo " o Install OK" || barf
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| 238 |
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| 239 | if [ ! "${USE_SYSROOT}" = "Y" ]; then
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| 240 | # Prep new root for target native glibc build
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| 241 | libdirs="${libdirname}"
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| 242 | if [ "Y" = "${MULTIARCH}" ]; then libdirs="lib lib32 lib64" ; fi
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| 243 | for dir in ${libdirs} ; do
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| 244 | if [ -d ${TGT_TOOLS}/${dir} ]; then
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| 245 | test -d ${LFS}/usr/${dir} || mkdir -p ${LFS}/usr/${dir}
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| 246 | ln -sf ../..${TGT_TOOLS}/${dir}/libgcc_s.so.1 \
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| 247 | ${LFS}/usr/${dir}/libgcc_s.so.1
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| 248 | test -f ${TGT_TOOLS}/${dir}/libgcc_s.so &&
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| 249 | ln -sf libgcc_s.so.1 ${LFS}/usr/${dir}/libgcc_s.so
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| 250 | test -f ${TGT_TOOLS}/${dir}/libgcc_s_32.so &&
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| 251 | ln -sf libgcc_s.so.1 ${LFS}/usr/${dir}/libgcc_s_32.so
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| 252 | test -f ${TGT_TOOLS}/${dir}/libgcc_s_64.so &&
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| 253 | ln -sf libgcc_s.so.1 ${LFS}/usr/${dir}/libgcc_s_64.so
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| 254 | fi
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| 255 | done
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| 256 | fi
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| 257 |
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| 258 | test -L ${INSTALL_PREFIX}/bin/cc || ln -s gcc ${INSTALL_PREFIX}/bin/cc
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| 259 |
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