Maybe one time we'll have subdirs in the config/ directory: find all dependencies for .config.
Remove never used include (was commented out anyway). Might come back later when we play with canadian-crosses.
1 # This scripts calls each component's build script.
2 # Copyright 2007 Yann E. MORIN
3 # Licensed under the GPL v2. See COPYING in the root of this package
5 # Parse all build files to have the needed functions.
6 . "${CT_TOP_DIR}/scripts/build/kernel_${CT_KERNEL}.sh"
7 . "${CT_TOP_DIR}/scripts/build/binutils.sh"
8 . "${CT_TOP_DIR}/scripts/build/libc_libfloat.sh"
9 . "${CT_TOP_DIR}/scripts/build/libc_${CT_LIBC}.sh"
10 . "${CT_TOP_DIR}/scripts/build/cc_core_${CT_CC_CORE}.sh"
11 . "${CT_TOP_DIR}/scripts/build/cc_${CT_CC}.sh"
13 # Arrange paths depending on wether we use sys-root or not.
14 if [ "${CT_USE_SYSROOT}" = "y" ]; then
15 CT_SYSROOT_DIR="${CT_PREFIX_DIR}/${CT_TARGET}/sys-root"
16 CT_HEADERS_DIR="${CT_SYSROOT_DIR}/usr/include"
17 BINUTILS_SYSROOT_ARG="--with-sysroot=${CT_SYSROOT_DIR}"
18 CC_CORE_SYSROOT_ARG="--with-sysroot=${CT_SYSROOT_DIR}"
19 CC_SYSROOT_ARG="--with-sysroot=${CT_SYSROOT_DIR}"
21 # glibc's prefix must be exactly /usr, else --with-sysroot'd gcc will get
22 # confused when $sysroot/usr/include is not present.
23 # Note: --prefix=/usr is magic!
24 # See http://www.gnu.org/software/libc/FAQ.html#s-2.2
26 # plain old way. All libraries in prefix/target/lib
27 CT_SYSROOT_DIR="${CT_PREFIX_DIR}/${CT_TARGET}"
28 CT_HEADERS_DIR="${CT_SYSROOT_DIR}/include"
29 # hack! Always use --with-sysroot for binutils.
30 # binutils 2.14 and later obey it, older binutils ignore it.
31 # Lets you build a working 32->64 bit cross gcc
32 BINUTILS_SYSROOT_ARG="--with-sysroot=${CT_SYSROOT_DIR}"
33 # Use --with-headers, else final gcc will define disable_glibc while
34 # building libgcc, and you'll have no profiling
35 CC_CORE_SYSROOT_ARG="--without-headers"
36 CC_SYSROOT_ARG="--with-headers=${CT_HEADERS_DIR}"
37 LIBC_SYSROOT_ARG="prefix="
40 # Prepare the 'lib' directories in sysroot, else the ../lib64 hack used by
41 # 32 -> 64 bit crosscompilers won't work, and build of final gcc will fail with
42 # "ld: cannot open crti.o: No such file or directory"
43 mkdir -p "${CT_SYSROOT_DIR}/lib"
44 mkdir -p "${CT_SYSROOT_DIR}/usr/lib"
46 # Canadian-cross are really picky on the way they are built. Tweak the values.
47 if [ "${CT_CANADIAN}" = "y" ]; then
48 # Arrange so that gcc never, ever think that build system == host system
49 CT_CANADIAN_OPT="--build=`echo \"${CT_BUILD}\" |sed -r -e 's/-/-build_/'`"
50 # We shall have a compiler for this target!
55 # Add the target toolchain in the path so that we can build the C library
56 export PATH="${CT_PREFIX_DIR}/bin:${CT_CC_CORE_PREFIX_DIR}/bin:${PATH}"
59 # Modify GCC_HOST to never be equal to $BUILD or $TARGET
60 # This strange operation causes gcc to always generate a cross-compiler
61 # even if the build machine is the same kind as the host.
62 # This is why CC has to be set when doing a canadian cross; you can't find a
63 # host compiler by appending -gcc to our whacky $GCC_HOST
64 # Kludge: it is reported that the above causes canadian crosses with cygwin
65 # hosts to fail, so avoid it just in that one case. It would be cleaner to
66 # just move this into the non-canadian case above, but I'm afraid that might
67 # cause some configure script somewhere to decide that since build==host, they
68 # could run host binaries.
69 # (Copied almost as-is from original crosstool):
70 case "${CT_KERNEL},${CT_CANADIAN}" in
72 *) CT_HOST="`echo \"${CT_HOST}\" |sed -r -e 's/-/-host_/;'`";;
75 # Ah! Recent versions of binutils need some of the build and/or host system
76 # (read CT_BUILD and CT_HOST) tools to be accessible (ar is but an example).
78 CT_DoLog EXTRA "Making build system tools available"
79 mkdir -p "${CT_PREFIX_DIR}/bin"
81 ln -s "`which ${tool}`" "${CT_PREFIX_DIR}/bin/${CT_BUILD}-${tool}"
82 ln -s "`which ${tool}`" "${CT_PREFIX_DIR}/bin/${CT_HOST}-${tool}"
85 # Ha. cygwin host have an .exe suffix (extension) for executables.
86 [ "${CT_KERNEL}" = "cygwin" ] && EXEEXT=".exe" || EXEEXT=""
88 # Transform the ARCH into a kernel-understandable ARCH
90 x86) CT_KERNEL_ARCH=i386;;
91 ppc) CT_KERNEL_ARCH=powerpc;;
92 *) CT_KERNEL_ARCH="${CT_ARCH}";;
95 # Build up the TARGET_CFLAGS from user-provided options
97 [ -n "${CT_ARCH_CPU}" ] && tmp_target_CFLAGS="${tmp_target_CFLAGS} -mcpu=${CT_ARCH_CPU}"
98 [ -n "${CT_ARCH_TUNE}" ] && tmp_target_CFLAGS="${tmp_target_CFLAGS} -mtune=${CT_ARCH_TUNE}"
99 [ -n "${CT_ARCH_ARCH}" ] && tmp_target_CFLAGS="${tmp_target_CFLAGS} -march=${CT_ARCH_ARCH}"
100 [ -n "${CT_ARCH_FPU}" ] && tmp_target_CFLAGS="${tmp_target_CFLAGS} -mfpu=${CT_ARCH_FPU}"
101 # Override with user-specified CFLAGS
102 CT_TARGET_CFLAGS="${tmp_target_CFLAGS} ${CT_TARGET_CFLAGS}"
106 [ "${CT_USE_PIPES}" = "y" ] && CT_CFLAGS_FOR_HOST="${CT_CFLAGS_FOR_HOST} -pipe"
108 # And help make go faster
110 [ ${CT_PARALLEL_JOBS} -ne 0 ] && PARALLELMFLAGS="${PARALLELMFLAGS} -j${CT_PARALLEL_JOBS}"
111 [ ${CT_LOAD} -ne 0 ] && PARALLELMFLAGS="${PARALLELMFLAGS} -l${CT_LOAD}"
113 CT_DoStep EXTRA "Dumping internal crosstool-NG configuration"
114 CT_DoLog EXTRA "Building a toolchain for :"
115 CT_DoLog EXTRA " build = ${CT_BUILD}"
116 CT_DoLog EXTRA " host = ${CT_HOST}"
117 CT_DoLog EXTRA " target = ${CT_TARGET}"
118 set |egrep '^CT_.+=' |sort |CT_DoLog DEBUG
121 # Now for the job by itself.
122 # Check the C library config ASAP, before the user gets bored, and is
123 # gone having his/her coffee
125 do_kernel_check_config