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|
#!/bin/bash
#
# Copyright (C) 2009 by Marc Kleine-Budde <mkl@pengutronix.de>
#
# See CREDITS for details about who has contributed to this project.
#
# For further information about the PTXdist project and license conditions
# see the README file.
#
#
# figure out arch string for ipkgs
#
# out: PTXDIST_IPKG_ARCH_STRING
#
ptxd_init_arch() {
local ptx_arch="$(ptxd_get_ptxconf PTXCONF_ARCH_STRING)"
local ipkg_arch="${ptx_arch}"
case "${ptx_arch}" in
arm)
local target="$(ptxd_get_ptxconf PTXCONF_GNU_TARGET)"
case "${target}" in
armb*gnueabi|armeb*gnueabi)
ipkg_arch=armeb
;;
arm-*gnueabi|armle*gnueabi|armel*gnueabi)
ipkg_arch=armel
;;
arm-*gnueabihf|armle*gnueabihf|armel*gnueabihf)
ipkg_arch=armhf
;;
*)
ipkg_arch=arm
;;
esac
;;
esac
PTXDIST_IPKG_ARCH_STRING="${ipkg_arch}"
export PTXDIST_IPKG_ARCH_STRING
}
#
# run cross-gcc with flags
#
ptxd_cross_cc() {
local compiler_prefix extra_cppflags extra_cflags
compiler_prefix="$(ptxd_get_ptxconf PTXCONF_COMPILER_PREFIX)"
extra_cppflags="$(ptxd_get_ptxconf PTXCONF_TARGET_EXTRA_CPPFLAGS)"
extra_cflags="$(ptxd_get_ptxconf PTXCONF_TARGET_EXTRA_CFLAGS)"
${compiler_prefix}gcc ${extra_cppflags} ${extra_cflags} "${@}"
}
export -f ptxd_cross_cc
#
# run cross-gcc with flags and -v
#
ptxd_cross_cc_v() {
local cache="${PTXDIST_TEMPDIR}/ptxd_cross_cc_v"
if [ -e "${cache}" ]; then
cat "${cache}"
else
local tmp="$(mktemp "${cache}.XXXXXX")"
echo 'int main(void){return 0;}' | \
ptxd_cross_cc -x c -o /dev/null -v - 2>&1 | tee "${tmp}"
mv "${tmp}" "${cache}"
fi
}
export -f ptxd_cross_cc_v
#
# out: dynamic linker name
#
ptxd_get_dl() {
local dl
dl="$(ptxd_cross_cc_v | \
sed -n -e 's/.* -dynamic-linker \([^ ]*\).*/\1/p')"
echo "${dl##*/}"
}
export -f ptxd_get_dl
#
# figure out the toolchain's sysroot
#
# out: PTXDIST_SYSROOT_TOOLCHAIN
#
ptxd_init_sysroot_toolchain() {
#
# no compiler prefix specified means using plain "gcc"
# which comes from the distribution, so no sysroot here
#
local compiler_prefix="$(ptxd_get_ptxconf PTXCONF_COMPILER_PREFIX)"
if [ -z "${compiler_prefix}" ]; then
PTXDIST_SYSROOT_TOOLCHAIN="/"
else
local sysroot
sysroot="$(ptxd_cross_cc -print-sysroot 2> /dev/null)" &&
[ -n "${sysroot}" ] ||
sysroot="$(ptxd_cross_cc_v | \
sed -ne "/.*collect2.*/s,.*--sysroot=\([^[:space:]]*\).*,\1,p" && \
check_pipe_status)" &&
[ -n "${sysroot}" ] ||
sysroot="$(ptxd_lib_sysroot \
"$(ptxd_cross_cc -print-file-name=libc.so 2> /dev/null)")"
if [ $? -ne 0 -o -z "${sysroot}" ]; then
ptxd_bailout "Could not detect toolchain sysroot! The toolchain is broken or not configured correctly."
fi
PTXDIST_SYSROOT_TOOLCHAIN="$(ptxd_abspath "${sysroot}")" || return
fi
export PTXDIST_SYSROOT_TOOLCHAIN
}
#
# gather all sysroots
#
# in:
# PTXDIST_SYSROOT_TOOLCHAIN
#
# out:
# PTXDIST_PATH_SYSROOT additional sysroots (without toolchain)
# PTXDIST_PATH_SYSROOT_ALL all sysroots (including toolchain)
# PTXDIST_PATH_SYSROOT_PREFIX prefixes (/, /usr) of additional sysroots (without toolchain)
# PTXDIST_PATH_SYSROOT_PREFIX_ALL prefixes (/, /usr) of all sysroots (including toolchain)
#
ptxd_init_ptxdist_path_sysroot() {
local sysroot="$(ptxd_get_ptxconf PTXCONF_SYSROOT_TARGET)"
local sysroot_prefix="${sysroot}:${sysroot}/usr"
local sysroot_all="${sysroot}"
local sysroot_prefix_all="${sysroot_prefix}"
if [ -n "${PTXDIST_SYSROOT_TOOLCHAIN}" ]; then
sysroot_all="${sysroot_all}:${PTXDIST_SYSROOT_TOOLCHAIN}"
sysroot_prefix_all="${sysroot_prefix}:${PTXDIST_SYSROOT_TOOLCHAIN}:${PTXDIST_SYSROOT_TOOLCHAIN}/usr"
fi
export \
PTXDIST_PATH_SYSROOT="${sysroot}" \
PTXDIST_PATH_SYSROOT_ALL="${sysroot_all}" \
PTXDIST_PATH_SYSROOT_PREFIX="${sysroot_prefix}" \
PTXDIST_PATH_SYSROOT_PREFIX_ALL="${sysroot_prefix_all}"
}
#
# get host sysroot
#
# out:
# PTXDIST_PATH_SYSROOT_HOST sysroot
# PTXDIST_PATH_SYSROOT_HOST_PREFIX prefixes (/) of sysroot
#
ptxd_init_ptxdist_path_sysroot_host() {
local sysroot="$(ptxd_get_ptxconf PTXCONF_SYSROOT_HOST)"
export \
PTXDIST_PATH_SYSROOT_HOST="${sysroot}" \
PTXDIST_PATH_SYSROOT_HOST_PREFIX="${sysroot}"
}
#
# out: 'lib' or 'lib64', derived from the ld-{linux,uClibc}.so.? from the compiler toolchain
#
ptxd_get_lib_dir() {
local dl lib_dir
dl="$(ptxd_cross_cc_v | \
sed -n -e 's/.* -dynamic-linker \([^ ]*\).*/\1/p')"
lib_dir="${dl%%/ld*.so.*}"
echo "${lib_dir#/}"
}
export -f ptxd_get_lib_dir
#
# setup compiler and pkgconfig environment
#
# in:
# ${PTXDIST_PATH_SYSROOT_PREFIX}
#
#
# out:
# PTXDIST_CROSS_CPPFLAGS CPPFLAGS for cross-compiled packages
# PTXDIST_CROSS_LDFLAGS LDFLAGS for cross-compiled packages
#
ptxd_init_cross_env() {
######## CPP_FLAGS, LDFLAGS ########
local orig_IFS="${IFS}"
IFS=":"
local -a prefix
prefix=( ${PTXDIST_PATH_SYSROOT_PREFIX} )
IFS="${orig_IFS}"
local -a lib_dir
lib_dir=$(ptxd_get_lib_dir)
# add "-isystem <DIR>/include"
local -a cppflags
cppflags=( "${prefix[@]/%//include}" )
cppflags=( "${cppflags[@]/#/-isystem }" )
# add "-L<DIR>/lib -Wl,-rpath-link -Wl,<DIR>"
local -a ldflags
ldflags=( "${prefix[@]/%//${lib_dir}}" )
ldflags=( "${ldflags[@]/#/-B}" "${ldflags[@]/#/-Wl,-rpath-link -Wl,}" )
export \
PTXDIST_CROSS_CPPFLAGS="${cppflags[*]}" \
PTXDIST_CROSS_LDFLAGS="${ldflags[*]}"
}
#
# setup compiler and pkgconfig environment
#
# in:
# ${PTXDIST_PATH_SYSROOT_HOST}
#
#
# out:
# PTXDIST_HOST_CPPFLAGS CPPFLAGS for host packages
# PTXDIST_HOST_LDFLAGS LDFLAGS for host packages
#
ptxd_init_host_env() {
######## CPPFLAGS, LDFLAGS ########
local orig_IFS="${IFS}"
IFS=":"
local -a prefix
prefix=( ${PTXDIST_PATH_SYSROOT_HOST_PREFIX} )
IFS="${orig_IFS}"
local -a lib_dir
lib_dir=lib
# add "-isystem <DIR>/include"
local -a cppflags
cppflags=( "${prefix[@]/%//include}" )
cppflags=( "${cppflags[@]/#/-isystem }" )
# add "-L<DIR>/lib -Wl,-rpath-link -Wl,<DIR>"
local -a ldflags
ldflags=( "${prefix[@]/%//${lib_dir}}" )
ldflags=( \
"${ldflags[@]/#/-B}" \
"${ldflags[@]/#/-Wl,-rpath -Wl,}" \
'-Wl,-rpath,$ORIGIN/../lib:/with/some/extra/space'
)
export \
PTXDIST_HOST_CPPFLAGS="${cppflags[*]}" \
PTXDIST_HOST_LDFLAGS="${ldflags[*]}"
}
ptxd_init_devpkg()
{
local prefix
local -a path
prefix="$(ptxd_get_ptxconf PTXCONF_PROJECT_DEVPKGDIR)" || return 0
local platform platform_version
platform="$(ptxd_get_ptxconf PTXCONF_PLATFORM)"
platform_version="$(ptxd_get_ptxconf PTXCONF_PLATFORM_VERSION)"
if [ -n "${platform}" ]; then
path[${#path[@]}]="${prefix}/platform-${platform}${platform_version}"
path[${#path[@]}]="${prefix}/platform-${platform}/packages"
fi
path[${#path[@]}]="${prefix}/packages"
path[${#path[@]}]="${prefix}"
if ! ptxd_get_path "${path[@]}"; then
ptxd_warning "No dev packages found in '$(ptxd_print_path "${prefix}")'"
fi
if [ "${PKGDIR}" = "${ptxd_reply}" ]; then
# don't my own packages. The timestamps mess up the dependencies.
return
fi
PTXDIST_DEVPKG_PLATFORMDIR="${ptxd_reply}"
export PTXDIST_DEVPKG_PLATFORMDIR
}
ptxd_init_save_wrapper_env() {
local sysroot="$(ptxd_get_ptxconf PTXCONF_SYSROOT_HOST)"
if [ ! -d "${sysroot}/lib/wrapper/" ]; then
return
fi
cat > ${sysroot}/lib/wrapper/env <<- EOF
PTXDIST_PLATFORMCONFIG="${PTXDIST_PLATFORMCONFIG}"
PTXDIST_CROSS_CPPFLAGS="${PTXDIST_CROSS_CPPFLAGS}"
PTXDIST_CROSS_LDFLAGS="${PTXDIST_CROSS_LDFLAGS}"
PTXDIST_HOST_CPPFLAGS="${PTXDIST_HOST_CPPFLAGS}"
PTXDIST_HOST_LDFLAGS="${PTXDIST_HOST_LDFLAGS}"
PTXDIST_PLATFORMDIR="${PTXDIST_PLATFORMDIR}"
EOF
}
#
# initialize vars needed by PTXdist's make
#
ptxd_make_init() {
ptxd_init_arch &&
if ptxd_get_ptxconf PTXCONF_LIBC > /dev/null &&
! ptxd_get_ptxconf PTXCONF_BUILD_TOOLCHAIN > /dev/null; then
ptxd_init_sysroot_toolchain || return
fi &&
ptxd_init_ptxdist_path_sysroot &&
ptxd_init_ptxdist_path_sysroot_host &&
ptxd_init_devpkg &&
ptxd_init_cross_env &&
ptxd_init_host_env &&
ptxd_init_save_wrapper_env
}
ptxd_make_init
|