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Enable cross-compilation of corehost for ARM #749

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gkhanna79 merged 2 commits into from
Dec 13, 2016
Merged

Enable cross-compilation of corehost for ARM #749

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2740c8f
Enable cross-compilation of corehost for ARM
hqueue Dec 9, 2016
b467701
Choose rootfs depending on target architecture
hqueue Dec 12, 2016
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28 changes: 28 additions & 0 deletions cross/arm/toolchain.cmake
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Original file line number Diff line number Diff line change
@@ -0,0 +1,28 @@
set(CROSS_ROOTFS $ENV{ROOTFS_DIR})

set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_VERSION 1)
set(CMAKE_SYSTEM_PROCESSOR armv7l)

## Specify the toolchain
set(TOOLCHAIN "arm-linux-gnueabihf")

add_compile_options(-target armv7-linux-gnueabihf)
add_compile_options(-mthumb)
add_compile_options(-mfpu=vfpv3)
add_compile_options(--sysroot=${CROSS_ROOTFS})

set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} -target ${TOOLCHAIN}")
set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} -B ${CROSS_ROOTFS}/usr/lib/gcc/${TOOLCHAIN}")
set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} -L${CROSS_ROOTFS}/lib/${TOOLCHAIN}")
set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} --sysroot=${CROSS_ROOTFS}")

set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${CROSS_LINK_FLAGS}" CACHE STRING "" FORCE)
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${CROSS_LINK_FLAGS}" CACHE STRING "" FORCE)
set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${CROSS_LINK_FLAGS}" CACHE STRING "" FORCE)

set(CMAKE_FIND_ROOT_PATH "${CROSS_ROOTFS}")
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
10 changes: 4 additions & 6 deletions src/corehost/build.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -33,8 +33,8 @@ usage()
echo " --fxrver <HostFxr version> Version of the hostfxr library"
echo " --policyver <HostPolicy version> Version of the hostpolicy library"
echo " --commithash <Git commit hash> Current commit hash of the repo at build time"
echo " --xcompiler <Cross C++ Compiler> Cross Compiler when the target is arm"
echo " e.g.) /usr/bin/arm-linux-gnueabi-g++-4.7"
echo " --cross Optional argument to signify cross compilation,"
echo " and use ROOTFS_DIR environment variable to find rootfs."

exit 1
}
Expand Down Expand Up @@ -88,9 +88,7 @@ while [ "$1" != "" ]; do
shift
__commit_hash=$1
;;
--xcompiler)
shift
__CrossCompiler="$1"
--cross)
__CrossBuild=1
;;
*)
Expand Down Expand Up @@ -142,7 +140,7 @@ __base_rid=$__rid_plat-$__build_arch_lowcase
echo "Building Corehost from $DIR to $(pwd)"
set -x # turn on trace
if [ $__CrossBuild == 1 ]; then
cmake "$DIR" -G "Unix Makefiles" $__cmake_defines -DCLI_CMAKE_RUNTIME_ID:STRING=$__runtime_id -DCLI_CMAKE_HOST_VER:STRING=$__host_ver -DCLI_CMAKE_HOST_FXR_VER:STRING=$__fxr_ver -DCLI_CMAKE_HOST_POLICY_VER:STRING=$__policy_ver -DCLI_CMAKE_PKG_RID:STRING=$__base_rid -DCLI_CMAKE_COMMIT_HASH:STRING=$__commit_hash -DCMAKE_CXX_COMPILER="$__CrossCompiler"
cmake "$DIR" -G "Unix Makefiles" $__cmake_defines -DCLI_CMAKE_RUNTIME_ID:STRING=$__runtime_id -DCLI_CMAKE_HOST_VER:STRING=$__host_ver -DCLI_CMAKE_HOST_FXR_VER:STRING=$__fxr_ver -DCLI_CMAKE_HOST_POLICY_VER:STRING=$__policy_ver -DCLI_CMAKE_PKG_RID:STRING=$__base_rid -DCLI_CMAKE_COMMIT_HASH:STRING=$__commit_hash -DCMAKE_TOOLCHAIN_FILE=$DIR/../../cross/$__build_arch_lowcase/toolchain.cmake
else
cmake "$DIR" -G "Unix Makefiles" $__cmake_defines -DCLI_CMAKE_RUNTIME_ID:STRING=$__runtime_id -DCLI_CMAKE_HOST_VER:STRING=$__host_ver -DCLI_CMAKE_HOST_FXR_VER:STRING=$__fxr_ver -DCLI_CMAKE_HOST_POLICY_VER:STRING=$__policy_ver -DCLI_CMAKE_PKG_RID:STRING=$__base_rid -DCLI_CMAKE_COMMIT_HASH:STRING=$__commit_hash
fi
Expand Down