package gcc {
	description = "The GNU Compiler Collection"
	website = "https://www.gnu.org/software/gcc"
	anitya = 6502

	version# = "16.1.0"
	source = remoteTar {
		url = "https://ftp.tsukuba.wide.ad.jp/software/gcc/releases/"+
			"gcc-"+version+"/gcc-"+version+".tar.gz"
		checksum = "4ASoWbxaA2FW7PAB0zzHDPC5XnNhyaAyjtDPpGzceSLeYnEIXsNYZR3PA_Zu5P0K"
		compress = gzip
	}
	patches = [
		"musl-off64_t-loff_t.patch"
		"musl-legacy-lfs.patch"
	]

	// GCC spends most of its time in its many configure scripts, however
	// it also saturates the CPU for a consequential amount of time.
	exclusive = true;

	exec = make {
		configure = {
			"disable-multilib"
			"enable-default-pie"
			"disable-nls"
			"with-gnu-as"
			"with-gnu-ld"
			"with-system-zlib"
			"enable-languages": "c,c++,go"
			"with-native-system-header-dir": "/system/include"
			"with-multilib-list": arch {
				amd64, arm64 = "''"
				default = unset
			}
		}
		make = [
			"BOOT_CFLAGS='-O2 -g'"
			noop { key = value } + "\x00"
			"bootstrap"
		]

		// This toolchain is hacked to pieces, it is not expected to ever work
		// well in its current state. That does not matter as long as the
		// toolchain it produces passes its own test suite.
		skip-check = true
	}

	inputs = [
		binutils

		mpc
		zlib
		libucontext
		kernel-headers
	]
}