Differential D6677 Diff 21642 contrib/devtools/build_cmake.sh

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contrib/devtools/build_cmake.sh

	#!/usr/bin/env bash			#!/usr/bin/env bash

	export LC_ALL=C			export LC_ALL=C

	set -euxo pipefail			set -euxo pipefail

	: "${TOPLEVEL:=$(git rev-parse --show-toplevel)}"			: "${TOPLEVEL:=$(git rev-parse --show-toplevel)}"
	: "${BUILD_DIR:=${TOPLEVEL}/build}"			: "${BUILD_DIR:=${TOPLEVEL}/build}"

	function usage() {			function usage() {
	echo "Usage: $0 [--Werror] [targets]"			echo "Usage: $0 [--Werror] [targets]"
	echo "Build the targets using cmake and ninja."			echo "Build the targets using cmake and ninja."
	echo "If no target is provided the default (all) target is built."			echo "If no target is provided the default (all) target is built."
	echo			echo
	echo "Options:"			echo "Options:"
				echo " --clang: build with clang/clang++"
				echo " --gcc: build with gcc/g++"
	echo " --Werror: add -Werror to the compiler flags"			echo " --Werror: add -Werror to the compiler flags"
	echo "Environment variables:"			echo "Environment variables:"
	echo " CMAKE_FLAGS: array of the CMAKE flags to use for the build"			echo " CMAKE_FLAGS: array of the CMAKE flags to use for the build"
	echo " BUILD_DIR: the build directory, (default: ${BUILD_DIR}})"			echo " BUILD_DIR: the build directory, (default: ${BUILD_DIR}})"
	echo " TOPLEVEL: the project root directory, (default: ${TOPLEVEL}})"			echo " TOPLEVEL: the project root directory, (default: ${TOPLEVEL}})"
	}			}

	# Default to nothing			# Default to nothing
	: "${CMAKE_FLAGS:=}"			: "${CMAKE_FLAGS:=}"

	mkdir -p "${BUILD_DIR}"			mkdir -p "${BUILD_DIR}"
	cd ${BUILD_DIR}			cd ${BUILD_DIR}
	git clean -xffd			git clean -xffd

	read -a CMAKE_FLAGS <<< "${CMAKE_FLAGS}"			read -a CMAKE_FLAGS <<< "${CMAKE_FLAGS}"

	TARGETS=()			TARGETS=()
	while [[ $# -gt 0 ]]; do			while [[ $# -gt 0 ]]; do
	case $1 in			case $1 in
				--clang)
				CMAKE_FLAGS+=(
				"-DCMAKE_C_COMPILER=clang"
				"-DCMAKE_CXX_COMPILER=clang++"
				)
				shift
				;;
				--gcc)
				CMAKE_FLAGS+=(
				"-DCMAKE_C_COMPILER=gcc"
				"-DCMAKE_CXX_COMPILER=g++"
				)
				shift
				;;
	--Werror)			--Werror)
	CMAKE_FLAGS+=(			CMAKE_FLAGS+=(
	"-DCMAKE_C_FLAGS=-Werror"			"-DCMAKE_C_FLAGS=-Werror"
	"-DCMAKE_CXX_FLAGS=-Werror"			"-DCMAKE_CXX_FLAGS=-Werror"
	)			)
	shift			shift
	;;			;;
	*)			*)
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