mk-meson-cross.sh

#!/usr/bin/env bash

function array2list() {
	while (( "$#" )); do
		echo -n "'$1'";
		[ $# -gt 1 ] && printf ",\n  " || echo ""
		shift
	done
}

# sanity
if [ -z "$1" ]; then
	echo "No platform specified." 1>&2
	exit 1
fi

# defaults
PLAT_ENDIAN="little"

# prefer from environment
if [[ ! -v CC ]]; then
	CC=${TARGET_HOST}-gcc
fi
if [[ ! -v CXX ]]; then
	CXX=${TARGET_HOST}-g++
fi
if [[ ! -v AR ]]; then
	AR=${TARGET_HOST}-gcc-ar
fi
if [[ ! -v STRIP ]]; then
	STRIP=${TARGET_HOST}-strip
fi

case "$1" in
"vita")
	PLAT_SYSTEM="vita"
	PLAT_CPU_FAMILY="arm"
	PLAT_CPU="cortex-a9mpcore"
	;;
"switch")
	PLAT_SYSTEM="horizon"
	PLAT_CPU_FAMILY="aarch64"
	PLAT_CPU="cortex-a57"
	;;
"3ds")
	PLAT_SYSTEM="horizon"
	PLAT_CPU_FAMILY="arm"
	PLAT_CPU="arm11mpcore"
	;;
"ogc")
	PLAT_SYSTEM="bare"
	PLAT_CPU_FAMILY="ppc"
	PLAT_CPU="ppc750"
	PLAT_ENDIAN="big"
	;;
"asmjs")
	PLAT_SYSTEM="emscripten"
	PLAT_CPU_FAMILY="wasm32"
	PLAT_CPU="wasm32"
	STRIP=emstrip
	;;
*android*)
	PLAT_SYSTEM="android"
	case "$1" in
	armv7a*)
		PLAT_CPU_FAMILY="arm"
		;;
	aarch64*)
		PLAT_CPU_FAMILY="aarch64"
		;;
	i686*)
		PLAT_CPU_FAMILY="x86"
		;;
	x86_64*)
		PLAT_CPU_FAMILY="x86_64"
		;;
	esac
	STRIP="llvm-strip"
	;;
*)
	echo "Unsupported platform." 1>&2
	exit 1
	;;
esac

# CC and CXX are usually not lists, good thing meson does just join() them
cat << EOF
# autogenerated, do not edit

[binaries]
c = [` array2list ${CC} `]
cpp = [` array2list ${CXX} `]
ar = '${AR}'
strip = '${STRIP}'
pkg-config = 'pkg-config'

[built-in options]
c_args = [` array2list ${CPPFLAGS} ${CFLAGS} `]
c_link_args = [` array2list ${LDFLAGS} ${LIBS} `]
cpp_args = [` array2list ${CPPFLAGS} ${CXXFLAGS} `]
cpp_link_args = [` array2list ${LDFLAGS} ${LIBS} `]

[host_machine]
system = '${PLAT_SYSTEM}'
cpu_family = '${PLAT_CPU_FAMILY}'
cpu = '${PLAT_CPU}'
endian = '${PLAT_ENDIAN}'
EOF