yann@1: # This scripts calls each component's build script.
yann@1: # Copyright 2007 Yann E. MORIN
yann@1: # Licensed under the GPL v2. See COPYING in the root of this package
yann@1: 
yann@1: # Parse all build files to have the needed functions.
yann@1: . "${CT_TOP_DIR}/scripts/build/kernel_${CT_KERNEL}.sh"
yann@1: . "${CT_TOP_DIR}/scripts/build/binutils.sh"
yann@1: . "${CT_TOP_DIR}/scripts/build/libc_libfloat.sh"
yann@1: . "${CT_TOP_DIR}/scripts/build/libc_${CT_LIBC}.sh"
yann@1: . "${CT_TOP_DIR}/scripts/build/cc_core_${CT_CC_CORE}.sh"
yann@1: . "${CT_TOP_DIR}/scripts/build/cc_${CT_CC}.sh"
yann@1: 
yann@1: # Arrange paths depending on wether we use sys-root or not.
yann@1: if [ "${CT_USE_SYSROOT}" = "y" ]; then
yann@1:     CT_SYSROOT_DIR="${CT_PREFIX_DIR}/${CT_TARGET}/sys-root"
yann@1:     CT_HEADERS_DIR="${CT_SYSROOT_DIR}/usr/include"
yann@1:     BINUTILS_SYSROOT_ARG="--with-sysroot=${CT_SYSROOT_DIR}"
yann@1:     CC_CORE_SYSROOT_ARG="--with-sysroot=${CT_SYSROOT_DIR}"
yann@1:     CC_SYSROOT_ARG="--with-sysroot=${CT_SYSROOT_DIR}"
yann@1:     LIBC_SYSROOT_ARG=""
yann@1:     # glibc's prefix must be exactly /usr, else --with-sysroot'd gcc will get
yann@1:     # confused when $sysroot/usr/include is not present.
yann@1:     # Note: --prefix=/usr is magic!
yann@1:     # See http://www.gnu.org/software/libc/FAQ.html#s-2.2
yann@1: else
yann@1:     # plain old way. All libraries in prefix/target/lib
yann@1:     CT_SYSROOT_DIR="${CT_PREFIX_DIR}/${CT_TARGET}"
yann@1:     CT_HEADERS_DIR="${CT_SYSROOT_DIR}/include"
yann@1:     # hack!  Always use --with-sysroot for binutils.
yann@1:     # binutils 2.14 and later obey it, older binutils ignore it.
yann@1:     # Lets you build a working 32->64 bit cross gcc
yann@1:     BINUTILS_SYSROOT_ARG="--with-sysroot=${CT_SYSROOT_DIR}"
yann@1:     # Use --with-headers, else final gcc will define disable_glibc while
yann@1:     # building libgcc, and you'll have no profiling
yann@1:     CC_CORE_SYSROOT_ARG="--without-headers"
yann@1:     CC_SYSROOT_ARG="--with-headers=${CT_HEADERS_DIR}"
yann@1:     LIBC_SYSROOT_ARG="prefix="
yann@1: fi
yann@1: 
yann@1: # Prepare the 'lib' directories in sysroot, else the ../lib64 hack used by
yann@1: # 32 -> 64 bit crosscompilers won't work, and build of final gcc will fail with
yann@1: #  "ld: cannot open crti.o: No such file or directory"
yann@1: mkdir -p "${CT_SYSROOT_DIR}/lib"
yann@1: mkdir -p "${CT_SYSROOT_DIR}/usr/lib"
yann@1: 
yann@1: # Canadian-cross are really picky on the way they are built. Tweak the values.
yann@1: if [ "${CT_CANADIAN}" = "y" ]; then
yann@1:     # Arrange so that gcc never, ever think that build system == host system
yann@1:     CT_CANADIAN_OPT="--build=`echo \"${CT_BUILD}\" |sed -r -e 's/-/-build_/'`"
yann@1:     # We shall have a compiler for this target!
yann@1:     # Do test here...
yann@1: else
yann@1:     CT_HOST="${CT_BUILD}"
yann@1:     CT_CANADIAN_OPT=
yann@1:     # Add the target toolchain in the path so that we can build the C library
yann@1:     export PATH="${CT_PREFIX_DIR}/bin:${CT_CC_CORE_PREFIX_DIR}/bin:${PATH}"
yann@1: fi
yann@1: 
yann@1: # Modify GCC_HOST to never be equal to $BUILD or $TARGET
yann@1: # This strange operation causes gcc to always generate a cross-compiler
yann@1: # even if the build machine is the same kind as the host.
yann@1: # This is why CC has to be set when doing a canadian cross; you can't find a
yann@1: # host compiler by appending -gcc to our whacky $GCC_HOST
yann@1: # Kludge: it is reported that the above causes canadian crosses with cygwin
yann@1: # hosts to fail, so avoid it just in that one case.  It would be cleaner to
yann@1: # just move this into the non-canadian case above, but I'm afraid that might
yann@1: # cause some configure script somewhere to decide that since build==host, they
yann@1: # could run host binaries.
yann@1: # (Copied almost as-is from original crosstool):
yann@1: case "${CT_KERNEL},${CT_CANADIAN}" in
yann@1:     cygwin,y) ;;
yann@1:     *)        CT_HOST="`echo \"${CT_HOST}\" |sed -r -e 's/-/-host_/;'`";;
yann@1: esac
yann@1: 
yann@42: # Ah! Recent versions of binutils need some of the build and/or host system
yann@42: # (read CT_BUILD and CT_HOST) tools to be accessible (ar is but an example).
yann@42: # Do that:
yann@28: CT_DoLog EXTRA "Making build system tools available"
yann@28: mkdir -p "${CT_PREFIX_DIR}/bin"
yann@28: for tool in ar; do
yann@28:     ln -s "`which ${tool}`" "${CT_PREFIX_DIR}/bin/${CT_BUILD}-${tool}"
yann@42:     ln -s "`which ${tool}`" "${CT_PREFIX_DIR}/bin/${CT_HOST}-${tool}"
yann@28: done
yann@28: 
yann@1: # Ha. cygwin host have an .exe suffix (extension) for executables.
yann@1: [ "${CT_KERNEL}" = "cygwin" ] && EXEEXT=".exe" || EXEEXT=""
yann@1: 
yann@1: # Transform the ARCH into a kernel-understandable ARCH
yann@1: case "${CT_ARCH}" in
yann@1:     x86) CT_KERNEL_ARCH=i386;;
yann@28:     ppc) CT_KERNEL_ARCH=powerpc;;
yann@1:     *)   CT_KERNEL_ARCH="${CT_ARCH}";;
yann@1: esac
yann@1: 
yann@1: # Build up the TARGET_CFLAGS from user-provided options
yann@1: tmp_target_CFLAGS=
yann@1: [ -n "${CT_ARCH_CPU}" ]  && tmp_target_CFLAGS="${tmp_target_CFLAGS} -mcpu=${CT_ARCH_CPU}"
yann@1: [ -n "${CT_ARCH_TUNE}" ] && tmp_target_CFLAGS="${tmp_target_CFLAGS} -mtune=${CT_ARCH_TUNE}"
yann@1: [ -n "${CT_ARCH_ARCH}" ] && tmp_target_CFLAGS="${tmp_target_CFLAGS} -march=${CT_ARCH_ARCH}"
yann@1: [ -n "${CT_ARCH_FPU}" ]  && tmp_target_CFLAGS="${tmp_target_CFLAGS} -mfpu=${CT_ARCH_FPU}"
yann@1: # Override with user-specified CFLAGS
yann@1: CT_TARGET_CFLAGS="${tmp_target_CFLAGS} ${CT_TARGET_CFLAGS}"
yann@1: 
yann@1: # Help gcc
yann@1: CT_CFLAGS_FOR_HOST=
yann@1: [ "${CT_USE_PIPES}" = "y" ] && CT_CFLAGS_FOR_HOST="${CT_CFLAGS_FOR_HOST} -pipe"
yann@1: 
yann@1: # And help make go faster
yann@1: PARALLELMFLAGS=
yann@1: [ ${CT_PARALLEL_JOBS} -ne 0 ] && PARALLELMFLAGS="${PARALLELMFLAGS} -j${CT_PARALLEL_JOBS}"
yann@1: [ ${CT_LOAD} -ne 0 ] && PARALLELMFLAGS="${PARALLELMFLAGS} -l${CT_LOAD}"
yann@1: 
yann@1: CT_DoStep EXTRA "Dumping internal crosstool-NG configuration"
yann@1: CT_DoLog EXTRA "Building a toolchain for :"
yann@1: CT_DoLog EXTRA "  build  = ${CT_BUILD}"
yann@1: CT_DoLog EXTRA "  host   = ${CT_HOST}"
yann@1: CT_DoLog EXTRA "  target = ${CT_TARGET}"
yann@1: set |egrep '^CT_.+=' |sort |CT_DoLog DEBUG
yann@1: CT_EndStep
yann@1: 
yann@1: # Now for the job by itself.
yann@1: # Check the C library config ASAP, before the user gets bored, and is
yann@1: # gone having his/her coffee
yann@1: do_libc_check_config
yann@1: do_kernel_check_config
yann@1: do_kernel_headers
yann@1: do_binutils
yann@1: do_libc_headers
yann@1: do_cc_core
yann@1: do_libfloat
yann@1: do_libc
yann@1: do_cc
yann@1: do_libc_finish