mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2024-12-22 06:07:49 +00:00
9dd63da071
This option enables a configuration knob for adding debugging info. Signed-off-by: Bryan Hundven <bryanhundven@gmail.com> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
112 lines
3.4 KiB
Bash
112 lines
3.4 KiB
Bash
# This file adds functions to build the musl C library
|
|
# Copyright 2013 Timo Teräs
|
|
# Licensed under the GPL v2. See COPYING in the root of this package
|
|
|
|
do_libc_get() {
|
|
local libc_src
|
|
|
|
libc_src="http://www.musl-libc.org/releases"
|
|
|
|
if [ "${CT_LIBC_MUSL_CUSTOM}" = "y" ]; then
|
|
CT_GetCustom "musl" "${CT_LIBC_VERSION}" \
|
|
"${CT_LIBC_MUSL_CUSTOM_LOCATION}"
|
|
else # ! custom location
|
|
CT_GetFile "musl-${CT_LIBC_VERSION}" "${libc_src}"
|
|
fi # ! custom location
|
|
}
|
|
|
|
do_libc_extract() {
|
|
# If using custom directory location, nothing to do.
|
|
if [ "${CT_LIBC_MUSL_CUSTOM}" = "y" ]; then
|
|
# Abort if the custom directory is not found.
|
|
if ! [ -d "${CT_SRC_DIR}/musl-${CT_LIBC_VERSION}" ]; then
|
|
CT_Abort "Directory not found: ${CT_SRC_DIR}/musl-${CT_LIBC_VERSION}"
|
|
fi
|
|
|
|
return 0
|
|
fi
|
|
|
|
CT_Extract "musl-${CT_LIBC_VERSION}"
|
|
CT_Patch "musl" "${CT_LIBC_VERSION}"
|
|
}
|
|
|
|
do_libc_check_config() {
|
|
:
|
|
}
|
|
|
|
do_libc_configure() {
|
|
CT_DoLog EXTRA "Configuring C library"
|
|
local -a extra_cflags
|
|
local -a extra_config
|
|
|
|
# From buildroot:
|
|
# gcc constant folding bug with weak aliases workaround
|
|
# See http://www.openwall.com/lists/musl/2014/05/15/1
|
|
if [ "${CT_CC_GCC_4_9_or_later}" = "y" ]; then
|
|
extra_cflags+=("-fno-toplevel-reorder")
|
|
fi
|
|
|
|
if [ "${CT_LIBC_MUSL_DEBUG}" = "y" ]; then
|
|
extra_config+=("--enable-debug")
|
|
fi
|
|
|
|
extra_config+=( "--enable-optimize=${CT_LIBC_MUSL_OPTIMIZE}" )
|
|
|
|
# NOTE: musl handles the build/host/target a little bit differently
|
|
# then one would expect:
|
|
# build : not used
|
|
# host : the machine building musl
|
|
# target : the machine musl runs on
|
|
CT_DoExecLog CFG \
|
|
CFLAGS="${extra_cflags[@]}" \
|
|
CROSS_COMPILE="${CT_TARGET}-" \
|
|
./configure \
|
|
--host="${CT_TARGET}" \
|
|
--target="${CT_TARGET}" \
|
|
--prefix="/usr" \
|
|
--disable-gcc-wrapper \
|
|
"${extra_config[@]}"
|
|
}
|
|
|
|
do_libc_start_files() {
|
|
CT_DoStep INFO "Installing C library headers"
|
|
|
|
# Simply copy files until musl has the ability to build out-of-tree
|
|
CT_DoLog EXTRA "Copying sources to build directory"
|
|
CT_DoExecLog ALL cp -av "${CT_SRC_DIR}/musl-${CT_LIBC_VERSION}" \
|
|
"${CT_BUILD_DIR}/build-libc-headers"
|
|
cd "${CT_BUILD_DIR}/build-libc-headers"
|
|
|
|
do_libc_configure
|
|
|
|
CT_DoLog EXTRA "Installing headers"
|
|
CT_DoExecLog ALL make DESTDIR="${CT_SYSROOT_DIR}" install-headers
|
|
|
|
CT_DoExecLog ALL make DESTDIR="${CT_SYSROOT_DIR}" \
|
|
crt/crt1.o crt/crti.o crt/crtn.o
|
|
CT_DoExecLog ALL cp -av crt/crt*.o "${CT_SYSROOT_DIR}/usr/lib"
|
|
CT_DoExecLog ALL ${CT_TARGET}-gcc -nostdlib \
|
|
-nostartfiles -shared -x c /dev/null -o "${CT_SYSROOT_DIR}/usr/lib/libc.so"
|
|
CT_EndStep
|
|
}
|
|
|
|
do_libc() {
|
|
CT_DoStep INFO "Installing C library"
|
|
|
|
# Simply copy files until musl has the ability to build out-of-tree
|
|
CT_DoLog EXTRA "Copying sources to build directory"
|
|
CT_DoExecLog ALL cp -av "${CT_SRC_DIR}/musl-${CT_LIBC_VERSION}" \
|
|
"${CT_BUILD_DIR}/build-libc"
|
|
cd "${CT_BUILD_DIR}/build-libc"
|
|
|
|
do_libc_configure
|
|
|
|
CT_DoLog EXTRA "Building C library"
|
|
CT_DoExecLog ALL make ${JOBSFLAGS}
|
|
|
|
CT_DoLog EXTRA "Installing C library"
|
|
CT_DoExecLog ALL make DESTDIR="${CT_SYSROOT_DIR}" install
|
|
|
|
CT_EndStep
|
|
}
|