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#!/usr/bin/env bash
#
# This file invokes cmake and generates the build system for Clang.
#
scriptroot="$( cd -P "$( dirname "$0" )" && pwd )"
if [[ "$#" -lt 4 ]]; then
echo "Usage..."
echo "gen-buildsys.sh <path to top level CMakeLists.txt> <path to intermediate directory> <Architecture> <compiler> [build flavor] [ninja] [scan-build] [cmakeargs]"
echo "Specify the path to the top level CMake file."
echo "Specify the path that the build system files are generated in."
echo "Specify the host architecture (the architecture the built tools should run on)."
echo "Specify the name of compiler (clang or gcc)."
echo "Optionally specify the build configuration (flavor.) Defaults to DEBUG."
echo "Optionally specify 'scan-build' to enable build with clang static analyzer."
echo "Use the Ninja generator instead of the Unix Makefiles generator."
echo "Pass additional arguments to CMake call."
exit 1
fi
host_arch="$3"
compiler="$4"
if [[ "$compiler" != "default" ]]; then
nativescriptroot="$( cd -P "$scriptroot/../common/native" && pwd )"
source "$nativescriptroot/init-compiler.sh" "$nativescriptroot" "$host_arch" "$compiler"
CCC_CC="$CC"
CCC_CXX="$CXX"
fi
export CCC_CC CCC_CXX
buildtype=DEBUG
code_coverage=OFF
build_tests=OFF
scan_build=OFF
generator="Unix Makefiles"
__UnprocessedCMakeArgs=""
for i in "${@:5}"; do
upperI="$(echo "$i" | tr "[:lower:]" "[:upper:]")"
case "$upperI" in
# Possible build types are DEBUG, CHECKED, RELEASE, RELWITHDEBINFO.
DEBUG | CHECKED | RELEASE | RELWITHDEBINFO)
buildtype="$upperI"
;;
NINJA)
generator=Ninja
;;
SCAN-BUILD)
echo "Static analysis is turned on for this build."
scan_build=ON
;;
*)
__UnprocessedCMakeArgs="${__UnprocessedCMakeArgs}${__UnprocessedCMakeArgs:+ }$i"
esac
done
cmake_extra_defines=
if [[ "$CROSSCOMPILE" == "1" ]]; then
platform="$(uname)"
# OSX doesn't use rootfs
if ! [[ -n "$ROOTFS_DIR" || "$platform" == "Darwin" ]]; then
echo "ROOTFS_DIR not set for crosscompile"
exit 1
fi
TARGET_BUILD_ARCH="$host_arch"
export TARGET_BUILD_ARCH
cmake_extra_defines="$cmake_extra_defines -C $scriptroot/tryrun.cmake"
if [[ "$platform" == "Darwin" ]]; then
cmake_extra_defines="$cmake_extra_defines -DCMAKE_SYSTEM_NAME=Darwin"
else
cmake_extra_defines="$cmake_extra_defines -DCMAKE_TOOLCHAIN_FILE=$scriptroot/../common/cross/toolchain.cmake"
fi
fi
if [[ "$host_arch" == "armel" ]]; then
cmake_extra_defines="$cmake_extra_defines -DARM_SOFTFP=1"
fi
if ! cmake_command=$(command -v cmake); then
echo "CMake was not found in PATH."
exit 1
fi
if [[ "$scan_build" == "ON" && -n "$SCAN_BUILD_COMMAND" ]]; then
cmake_command="$SCAN_BUILD_COMMAND $cmake_command"
fi
if [[ "$host_arch" == "wasm" ]]; then
cmake_command="emcmake $cmake_command"
fi
# We have to be able to build with CMake 3.6.2, so we can't use the -S or -B options
pushd "$2"
$cmake_command \
--no-warn-unused-cli \
-G "$generator" \
"-DCMAKE_BUILD_TYPE=$buildtype" \
"-DCMAKE_INSTALL_PREFIX=$__CMakeBinDir" \
$cmake_extra_defines \
$__UnprocessedCMakeArgs \
"$1"
popd
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