diff options
Diffstat (limited to 'scripts/build/kernel/linux.sh')
| -rw-r--r-- | scripts/build/kernel/linux.sh | 128 |
1 files changed, 45 insertions, 83 deletions
diff --git a/scripts/build/kernel/linux.sh b/scripts/build/kernel/linux.sh index 9cfc433..ad3c2ca 100644 --- a/scripts/build/kernel/linux.sh +++ b/scripts/build/kernel/linux.sh @@ -2,90 +2,48 @@ # Copyright 2007 Yann E. MORIN # Licensed under the GPL v2. See COPYING in the root of this package -CT_DoKernelTupleValues() { - if [ "${CT_ARCH_USE_MMU}" = "y" ]; then - CT_TARGET_KERNEL="linux" - else +CT_DoKernelTupleValues() +{ + if [ -z "${CT_ARCH_USE_MMU}" ]; then # Some no-mmu linux targets requires a -uclinux tuple (like m68k/cf), # while others must have a -linux tuple. Other targets # should be added here when someone starts to care about them. case "${CT_ARCH}" in - arm*) CT_TARGET_KERNEL="linux" ;; - m68k) CT_TARGET_KERNEL="uclinux" ;; - *) CT_Abort "Unsupported no-mmu arch '${CT_ARCH}'" + arm*|microblaze*) CT_TARGET_KERNEL="linux" ;; + c6x|m68k|xtensa*) CT_TARGET_KERNEL="uclinux" ;; + *) CT_Abort "Unsupported no-mmu arch '${CT_ARCH}'" esac fi } # Download the kernel -do_kernel_get() { - local k_ver - local custom_name - local rel_dir - local korg_base mirror_base +do_kernel_get() +{ + CT_Fetch LINUX +} - if [ "${CT_KERNEL_LINUX_CUSTOM}" = "y" ]; then - CT_GetCustom "linux" "${CT_KERNEL_LINUX_CUSTOM_VERSION}" \ - "${CT_KERNEL_LINUX_CUSTOM_LOCATION}" - else # Not a custom tarball - case "${CT_KERNEL_VERSION}" in - 2.6.*.*|3.*.*|4.*.*) - # 4-part versions (for 2.6 stables and long-terms), and - # 3-part versions (for 3.x.y and 4.x.y stables and long-terms) - # we need to trash the last digit - k_ver="${CT_KERNEL_VERSION%.*}" - ;; - 2.6.*|3.*|4.*) - # 3-part version (for 2.6.x initial releases), and 2-part - # versions (for 3.x and 4.x initial releases), use all of it - k_ver="${CT_KERNEL_VERSION}" - ;; - esac - case "${CT_KERNEL_VERSION}" in - 2.6.*) rel_dir=v2.6;; - 3.*) rel_dir=v3.x;; - 4.*) rel_dir=v4.x;; - esac - korg_base="http://www.kernel.org/pub/linux/kernel/${rel_dir}" - CT_GetFile "linux-${CT_KERNEL_VERSION}" \ - "${korg_base}" \ - "${korg_base}/longterm/v${k_ver}" \ - "${korg_base}/longterm" - fi +# Disable building relocs application - it needs <linux/types.h> +# on the host, which may not be present on Cygwin or MacOS; it +# needs <elf.h>, which again is not present on MacOS; and most +# important, we don't need it to install the headers. +# This is not done as a patch, since it varies from Linux version +# to version - patching each particular Linux version would be +# too cumbersome. +linux_disable_build_relocs() +{ + sed -i -r 's/(\$\(MAKE\) .* relocs)$/:/' arch/*/Makefile } # Extract kernel -do_kernel_extract() { - # If using a custom directory location, nothing to do - if [ "${CT_KERNEL_LINUX_CUSTOM}" = "y" \ - -a -d "${CT_SRC_DIR}/linux-${CT_KERNEL_VERSION}" ]; then - return 0 - fi - - # Otherwise, we're using either a mainstream tarball, or a custom - # tarball; in either case, we need to extract - CT_Extract "linux-${CT_KERNEL_VERSION}" - - # If using a custom tarball, no need to patch - if [ "${CT_KERNEL_LINUX_CUSTOM}" = "y" ]; then - return 0 - fi - CT_Patch "linux" "${CT_KERNEL_VERSION}" - - # Disable building relocs application - it needs <linux/types.h> - # on the host, which may not be present on Cygwin or MacOS; it - # needs <elf.h>, which again is not present on MacOS; and most - # important, we don't need it to install the headers. - # This is not done as a patch, since it varies from Linux version - # to version - patching each particular Linux version would be - # too cumbersome. - CT_Pushd "${CT_SRC_DIR}/linux-${CT_KERNEL_VERSION}" - sed -i -r 's/(\$\(MAKE\) .* relocs)$/:/' arch/*/Makefile - CT_Popd +do_kernel_extract() +{ + # TBD verify linux_disable_build_relocs is run + CT_ExtractPatch LINUX linux_disable_build_relocs } # Install kernel headers using headers_install from kernel sources. -do_kernel_headers() { +do_kernel_headers() +{ local kernel_path local kernel_arch @@ -93,7 +51,7 @@ do_kernel_headers() { mkdir -p "${CT_BUILD_DIR}/build-kernel-headers" - kernel_path="${CT_SRC_DIR}/linux-${CT_KERNEL_VERSION}" + kernel_path="${CT_SRC_DIR}/linux" V_OPT="V=${CT_KERNEL_LINUX_VERBOSE_LEVEL}" kernel_arch="${CT_ARCH}" @@ -103,24 +61,28 @@ do_kernel_headers() { esac CT_DoLog EXTRA "Installing kernel headers" - CT_DoExecLog ALL \ - make -C "${kernel_path}" \ - CROSS_COMPILE="${CT_TARGET}-" \ - O="${CT_BUILD_DIR}/build-kernel-headers" \ - ARCH=${kernel_arch} \ - INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \ - ${V_OPT} \ + CT_DoExecLog ALL \ + make -C "${kernel_path}" \ + BASH="$(which bash)" \ + HOSTCC="${CT_BUILD}-gcc" \ + CROSS_COMPILE="${CT_TARGET}-" \ + O="${CT_BUILD_DIR}/build-kernel-headers" \ + ARCH=${kernel_arch} \ + INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \ + ${V_OPT} \ headers_install if [ "${CT_KERNEL_LINUX_INSTALL_CHECK}" = "y" ]; then CT_DoLog EXTRA "Checking installed headers" - CT_DoExecLog ALL \ - make -C "${kernel_path}" \ - CROSS_COMPILE="${CT_TARGET}-" \ - O="${CT_BUILD_DIR}/build-kernel-headers" \ - ARCH=${kernel_arch} \ - INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \ - ${V_OPT} \ + CT_DoExecLog ALL \ + make -C "${kernel_path}" \ + BASH="$(which bash)" \ + HOSTCC="${CT_BUILD}-gcc" \ + CROSS_COMPILE="${CT_TARGET}-" \ + O="${CT_BUILD_DIR}/build-kernel-headers" \ + ARCH=${kernel_arch} \ + INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \ + ${V_OPT} \ headers_check fi |