pmaports/cross/ccache-cross-symlinks/APKBUILD

# This package gets installed in the native chroot only. When cross-
# compiling packages in the native chroot (e.g. kernel packages), the
# cross-compiler does not get called directly, but wrapped through
# ccache, which can then cache the results.

pkgname=ccache-cross-symlinks
pkgver=3
pkgrel=0
pkgdesc="Enable ccache for cross-compilers with symlinks"
url="https://ccache.samba.org/"
arch="noarch"
license="MIT"
depends="ccache"
options="!check"

package() {
	# Keep in sync with pmb.config.build_device_architectures
	local _archs="armhf armv7 aarch64 x86_64 x86"

	local _bins="c++ cc cpp g++ gcc clang clang++"
	mkdir -p "$pkgdir/usr/lib/ccache/bin"
	cd "$pkgdir/usr/lib/ccache/bin"
	for _arch in $_archs; do
		if [ "$_arch" = "$CARCH" ]; then
			continue
		fi
		_hostspec="$(arch_to_hostspec $_arch)"
		for _bin in $_bins; do
			# Relative symlink, so it works with crossdirect (pointing to
			# /native/usr/bin/ccache)
			ln -v -s ../../../bin/ccache ${_hostspec}-${_bin}
		done

		ln -v -s ../../../bin/ccache gcc4-${_hostspec}-gcc
		ln -v -s ../../../bin/ccache gcc6-${_hostspec}-gcc
	done

	ln -v -s ../../../bin/ccache gcc4-gcc
	ln -v -s ../../../bin/ccache gcc6-gcc
}