void-packages/srcpkgs/mruby/template

# Template file for 'mruby'
pkgname=mruby
version=2.1.0
revision=2
hostmakedepends="bison clang ruby"
short_desc="Lightweight implementation of the Ruby language (Ruby 1.9)"
maintainer="Jürgen Buchmüller <pullmoll@t-online.de>"
license="MIT"
homepage="https://mruby.org/"
distfiles="https://github.com/mruby/mruby/archive/${version}.tar.gz>${pkgname}-${version}.tar.gz"
checksum=d6733742a07e553c52ab71df08b0604b3b571768bbc0c2729fbf0389d1bb5d13
lib32disabled=yes
# I cannot get clang to link a PIE executable
nopie=yes

# Note: we use clang to build for the host because with gcc the build fails
# for i686 (native) and also when i686 is the host architecture for cross builds.
LIBS="m"

do_configure() {
	vsed -i mrbgems/mruby-compiler/core/parse.y -e "s;%pure-parser;%define api.pure;"

	if [ -z "$CROSS_BUILD" ]; then
		# Native build
		cat <<-EOF > xbps_config.rb
		MRuby::Build.new do |conf|
		  toolchain :clang
		  conf.gem "#{root}/mrbgems/mruby-bin-mruby"
		  conf.gem "#{root}/mrbgems/mruby-bin-mrbc"
		  conf.cc do |cc|
		    cc.command = 'clang'
		    cc.flags = [ENV['CFLAGS'] || %w()]
		    cc.include_paths = ["#{root}/include"]
		  end
		  conf.linker do |linker|
		    linker.command = 'clang'
		    linker.flags = [ENV['LDFLAGS'] || %w()]
		    linker.libraries = [ENV['LIBS'] || 'm']
		  end
		  conf.archiver do |archiver|
		    archiver.command = 'ar'
		  end
		end
		EOF
	else
		# Cross build
		cat <<-EOF > xbps_config.rb
		MRuby::Build.new do |conf|
		  toolchain :clang
		  conf.gem "#{root}/mrbgems/mruby-bin-mruby"
		  conf.gem "#{root}/mrbgems/mruby-bin-mrbc"
		  conf.cc do |cc|
		    cc.command = 'clang'
		    cc.flags = [ENV['CFLAGS_host'] || %w()]
		    cc.include_paths = ["#{root}/include"]
		  end
		  conf.linker do |linker|
		    linker.command = 'clang'
		    linker.flags = [ENV['LDFLAGS_host'] || %w()]
		    linker.libraries = [ENV['LIBS'] || 'm']
		  end
		  conf.archiver do |archiver|
		    archiver.command = 'ar'
		  end
		end
		MRuby::CrossBuild.new('${XBPS_CROSS_TRIPLET}') do |conf|
		  toolchain :gcc
		  conf.gem "#{root}/mrbgems/mruby-bin-mruby"
		  conf.gem "#{root}/mrbgems/mruby-bin-mrbc"
		  conf.cc do |cc|
		    cc.command = ENV['CC'] || '${XBPS_CROSS_TRIPLET}-gcc'
		    cc.flags = [ENV['CFLAGS'] || %w()]
		    cc.include_paths = ["#{root}/include"]
		    cc.defines = %w()
		    cc.option_include_path = '-I%s'
 		    cc.option_define = '-D%s'
		    cc.compile_options = "%{flags} -o %{outfile} -c %{infile}"
		  end
		  conf.linker do |linker|
		    linker.command = ENV['CC'] || '${XBPS_CROSS_TRIPLET}-gcc'
		    linker.flags = [ENV['LDFLAGS'] || %w()]
		    linker.libraries = [ENV['LIBS'] || 'm']
		    linker.library_paths = '${XBPS_CROSS_BASE}/usr/lib'
		  end
		  conf.archiver do |archiver|
		    archiver.command = ENV['AR'] || '${XBPS_CROSS_TRIPLET}-ar'
		  end
		end
		EOF
	fi
}

do_build() {
	# Enable verbosity and/or trace
	# vsed -i minirake -e '/^$rake_failed/a $verbose = 1'
	# vsed -i minirake -e '/^$rake_failed/a $trace = 1'

	# Set the number of parallel jobs from $makejobs
	vsed -i minirake -e "s;^\(\$rake_jobs =\).*;\1 ${makejobs/-j/};"

	# clang does not understand -fstack-clash-protection
	CFLAGS="${CFLAGS/-fstack-clash-protection/}"

	if [ "$CROSS_BUILD" ]; then
		CFLAGS_host="${CFLAGS_host/-fstack-clash-protection/}"
		echo "CFLAGS_host   : $CFLAGS_host"
		echo "LDFLAGS_host  : $LDFLAGS_host"
	fi
	echo "CFLAGS        : $CFLAGS"
	echo "LDFLAGS       : $LDFLAGS"
	echo "LIBS          : $LIBS"
	CFLAGS="$CFLAGS" CFLAGS_host="$CFLAGS_host" \
	LDFLAGS="$LDFLAGS" LDFLAGS_host="$LDFLAGS_host" \
	LIBS="$LIBS" MRUBY_CONFIG=xbps_config.rb VERBOS=1 \
		ruby minirake
}

do_install() {
	local _build
	if [ "$CROSS_BUILD" ]; then
		_build="build/${XBPS_CROSS_TRIPLET}"
	else
		_build="build/host"
	fi
	vmkdir usr/bin
	vcopy "${_build}/bin/*" usr/bin
	vmkdir usr/lib
	vcopy "${_build}/lib/*.a" usr/lib
	vmkdir usr/include
	vcopy "include/*" usr/include
	vlicense LICENSE
}