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Determine build tools & args based on yocto sdk env setup script
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Previously, the yocto SDK for i.MX 8M devices of version 5.10-hardknott
is the only one to be supported, the build tools and arguments are
hard-coded.

Now to support different versions of SDKs for different devices, read
from the SDK env setup script to get info about build tools and
arguments.

env PKG_CONFIG_PATH is removed because with the gn arg sysroot correctly
set the package config path info can be retrieved automatically in the
build system.

For debug build, to eliminate warnings, optimize_debug is set.

With this patch applied, example commands to build the binaries are:

  export IMX_SDK_ROOT=/opt/fsl-imx-xwayland/5.15-kirkstone
  source scripts/activate.sh

  ./scripts/build/build_examples.py --target imx-all-clusters-app build
  ./scripts/build/build_examples.py --target \
          imx-all-clusters-app-release build

  ./scripts/examples/imxlinux_example.sh \
          examples/all-clusters-app/linux \
	  examples/all-clusters-app/linux/out/aarch64

  ./scripts/examples/imxlinux_example.sh \
          examples/all-clusters-app/linux \
	  examples/all-clusters-app/linux/out/aarch64 debug

Change-Id: I3e2a30f56a95bb13cbf43855c8edeeb9e63469eb
Signed-off-by: faqiang.zhu <faqiang.zhu@nxp.com>

Restyled by shellharden

Restyled by shfmt

Restyled by autopep8
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@FaqiangZhu-nxp
FaqiangZhu-nxp committed Jun 9, 2022
1 parent e81917b commit 71391bc
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Showing 2 changed files with 99 additions and 21 deletions.
57 changes: 43 additions & 14 deletions scripts/build/builders/imx.py
View file
Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
# limitations under the License.

import os
import re
from enum import Enum, auto

from .gn import GnBuilder
Expand Down Expand Up @@ -74,30 +75,58 @@ def __init__(self,
self.release = release
self.app = app

def GnBuildEnv(self):
return {
'PKG_CONFIG_PATH': self.SysRootPath('IMX_SDK_ROOT') + '/sysroots/cortexa53-crypto-poky-linux/lib/aarch64-linux-gnu/pkgconfig',
}

def GnBuildArgs(self):
entries = os.listdir(self.SysRootPath('IMX_SDK_ROOT'))
for entry in entries:
if re.match(r'^environment-setup-', entry):
env_setup_script = entry
break

with open(os.path.join(self.SysRootPath('IMX_SDK_ROOT'), env_setup_script), 'r') as env_setup_script_fd:
lines = env_setup_script_fd.readlines()
for line in lines:
line = line.strip('\n')
if re.match(r'export SDKTARGETSYSROOT=', line):
sdk_target_sysroot = line[len(r'export SDKTARGETSYSROOT='):]
if re.match(r'export CC=', line):
# remove the quotation marks, replace a shell env
cc = line[len(r'export CC=')+1: -1]
cc = cc.replace('$SDKTARGETSYSROOT', sdk_target_sysroot)
if re.match(r'export CXX=', line):
# remove the quotation marks, replace a shell env
cxx = line[len(r'export CXX=')+1: -1]
cxx = cxx.replace('$SDKTARGETSYSROOT', sdk_target_sysroot)
if re.match(r'export ARCH=', line):
target_cpu = line[len(r'export ARCH='):]
if target_cpu == 'arm64':
arm_arch = 'armv8-a'
elif target_cpu == 'arm':
arm_arch = 'armv7ve'
if re.match(r'export CROSS_COMPILE=', line):
cross_compile = line[len(r'export CROSS_COMPILE='):-1]
print(cross_compile)

args = [
'treat_warnings_as_errors=false',
'target_os="linux"',
'target_cpu="arm64"',
'arm_arch="armv8-a"',
'target_cpu="%s"' % target_cpu,
'arm_arch="%s"' % arm_arch,
'import(\"//build_overrides/build.gni\")',
'custom_toolchain=\"${build_root}/toolchain/custom\"',
'sysroot="%s/sysroots/cortexa53-crypto-poky-linux"' % self.SysRootPath('IMX_SDK_ROOT'),
'sysroot="%s"' % sdk_target_sysroot,
'target_cflags=[ "-DCHIP_DEVICE_CONFIG_WIFI_STATION_IF_NAME=\\"mlan0\\"", "-DCHIP_DEVICE_CONFIG_LINUX_DHCPC_CMD=\\"udhcpc -b -i %s \\"" ]',
'target_cc="%s/sysroots/x86_64-pokysdk-linux/usr/bin/aarch64-poky-linux/aarch64-poky-linux-gcc"' % self.SysRootPath(
'IMX_SDK_ROOT'),
'target_cxx="%s/sysroots/x86_64-pokysdk-linux/usr/bin/aarch64-poky-linux/aarch64-poky-linux-g++"' % self.SysRootPath(
'IMX_SDK_ROOT'),
'target_ar="%s/sysroots/x86_64-pokysdk-linux/usr/bin/aarch64-poky-linux/aarch64-poky-linux-ar"' % self.SysRootPath(
'IMX_SDK_ROOT'),
'target_cc="%s/sysroots/x86_64-pokysdk-linux/usr/bin/%s/%s"' % (self.SysRootPath('IMX_SDK_ROOT'), cross_compile,
cc),
'target_cxx="%s/sysroots/x86_64-pokysdk-linux/usr/bin/%s/%s"' % (self.SysRootPath('IMX_SDK_ROOT'), cross_compile,
cxx),
'target_ar="%s/sysroots/x86_64-pokysdk-linux/usr/bin/%s/%s-ar"' % (self.SysRootPath('IMX_SDK_ROOT'), cross_compile,
cross_compile),
]

if self.release:
args.append('is_debug=false')
else:
args.append('optimize_debug=true')

return args

Expand Down
63 changes: 56 additions & 7 deletions scripts/examples/imxlinux_example.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@

set -e
set -x
if [ "$#" != 2 ]; then
if [ "$#" != 2 && "$#" != 3 ]; then
exit -1
fi

Expand All @@ -30,15 +30,64 @@ if [ "$IMX_SDK_ROOT" = "" ]; then
fi
env

entries=$(ls "$IMX_SDK_ROOT")
for entry in "$entries"; do
if [ "$(echo "$entry" | grep -E "^environment-setup-")" != "" ]; then
env_setup_script=$entry
break
fi
done

while read line; do
if [ "$(echo "$line" | grep -E "^export SDKTARGETSYSROOT=")" != "" ]; then
sdk_target_sysroot=${line#"export SDKTARGETSYSROOT="}
fi

if [ "$(echo "$line" | grep -E "^export CC=")" != "" ]; then
cc=${line#"export CC="}
cc=${cc#"\""}
cc=${cc%"\""}
cc=${cc/"\$SDKTARGETSYSROOT"/$sdk_target_sysroot}
fi

if [ "$(echo "$line" | grep -E "^export CXX=")" != "" ]; then
cxx=${line#"export CXX="}
cxx=${cxx#"\""}
cxx=${cxx%"\""}
cxx=${cxx/"\$SDKTARGETSYSROOT"/$sdk_target_sysroot}
fi

if [ "$(echo "$line" | grep -E "^export ARCH=")" != "" ]; then
target_cpu=${line#"export ARCH="}

if [ "$target_cpu" = "arm64" ]; then
arm_arch="armv8-a"
elif [ "$target_cpu" = "arm" ]; then
arm_arch="armv7ve"
fi
fi

if [ "$(echo "$line" | grep -E "^export CROSS_COMPILE=")" != "" ]; then
cross_compile=${line#"export CROSS_COMPILE="}
cross_compile=${cross_compile%"-"}
fi
done <"$IMX_SDK_ROOT/$env_setup_script"

release_build=true
if [ "$3" = "debug" ]; then
release_build=false
fi

PLATFORM_CFLAGS='-DCHIP_DEVICE_CONFIG_WIFI_STATION_IF_NAME=\"mlan0\"", "-DCHIP_DEVICE_CONFIG_LINUX_DHCPC_CMD=\"udhcpc -b -i %s \"'
PKG_CONFIG_PATH=$IMX_SDK_ROOT/sysroots/cortexa53-crypto-poky-linux/lib/aarch64-linux-gnu/pkgconfig \
gn gen --check --fail-on-unused-args --root="$1" "$2" --args="target_os=\"linux\" target_cpu=\"arm64\" arm_arch=\"armv8-a\"
gn gen --check --fail-on-unused-args --root="$1" "$2" --args="target_os=\"linux\" target_cpu=\"$target_cpu\" arm_arch=\"$arm_arch\"
treat_warnings_as_errors=false
import(\"//build_overrides/build.gni\")
sysroot=\"$IMX_SDK_ROOT/sysroots/cortexa53-crypto-poky-linux\"
sysroot=\"$sdk_target_sysroot\"
target_cflags=[ \"$PLATFORM_CFLAGS\" ]
custom_toolchain=\"\${build_root}/toolchain/custom\"
target_cc=\"$IMX_SDK_ROOT/sysroots/x86_64-pokysdk-linux/usr/bin/aarch64-poky-linux/aarch64-poky-linux-gcc\"
target_cxx=\"$IMX_SDK_ROOT/sysroots/x86_64-pokysdk-linux/usr/bin/aarch64-poky-linux/aarch64-poky-linux-g++\"
target_ar=\"$IMX_SDK_ROOT/sysroots/x86_64-pokysdk-linux/usr/bin/aarch64-poky-linux/aarch64-poky-linux-ar\""
target_cc=\"$IMX_SDK_ROOT/sysroots/x86_64-pokysdk-linux/usr/bin/$cross_compile/$cc\"
target_cxx=\"$IMX_SDK_ROOT/sysroots/x86_64-pokysdk-linux/usr/bin/$cross_compile/$cxx\"
target_ar=\"$IMX_SDK_ROOT/sysroots/x86_64-pokysdk-linux/usr/bin/$cross_compile/$cross_compile-ar\"
$(if [ "$release_build" = "true" ]; then echo "is_debug=false"; else echo "optimize_debug=true"; fi)"

ninja -C "$2"

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