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more arm64 support

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Laurent Sansonetti
2013-09-11 18:08:45 +02:00
parent 4bc299d7e0
commit 1742f1625b
1 changed files with 24 additions and 6 deletions
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30
lib/motion/project/builder.rb
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@@ -115,13 +115,31 @@ module Motion; module Project;
# Assembly.
asm = File.join(files_build_dir, "#{path}.#{arch}.s")
arch_cmd = (arch =~ /^arm/) ? "/usr/bin/arch -arch i386" : "/usr/bin/arch -arch #{arch}"
sh "/usr/bin/env VM_KERNEL_PATH=\"#{kernel}\" VM_OPT_LEVEL=\"#{config.opt_level}\" #{arch_cmd} #{ruby} #{rubyc_bs_flags} --emit-llvm \"#{asm}\" #{init_func} \"#{path}\""
# Object.
arm64 = false
compiler_exec_arch = case arch
when /^arm/
(arm64 = (arch == 'arm64')) ? 'x86_64' : 'i386'
else
arch
end
sh "/usr/bin/env VM_KERNEL_PATH=\"#{kernel}\" VM_OPT_LEVEL=\"#{config.opt_level}\" /usr/bin/arch -arch #{compiler_exec_arch} #{ruby} #{rubyc_bs_flags} --emit-llvm \"#{asm}\" #{init_func} \"#{path}\""
# Object
arch_obj = File.join(files_build_dir, "#{path}.#{arch}.o")
sh "#{cc} -fexceptions -c -arch #{arch} \"#{asm}\" -o \"#{arch_obj}\""
if arm64
# At the time of this writing Apple hasn't yet contributed the source code of the LLVM backend for the "arm64" architecture, so the RubyMotion compiler can't emit proper assembly yet. We work around this limitation by generating bitcode instead and giving it to the linker. Ugly but should be temporary (right?).
@dummy_object_file ||= begin
src_path = '/tmp/__dummy_object_file__.c'
obj_path = '/tmp/__dummy_object_file__.o'
File.open(src_path, 'w') { |io| io.puts "static int foo(void) { return 42; }" }
sh "#{cc} -c #{src_path} -o #{obj_path} -arch arm64 -miphoneos-version-min=7.0"
obj_path
end
sh "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld \"#{asm}\" \"#{@dummy_object_file}\" -arch arm64 -r -o \"#{arch_obj}\""
else
sh "#{cc} -fexceptions -c -arch #{arch} \"#{asm}\" -o \"#{arch_obj}\""
end
[asm].each { |x| File.unlink(x) } unless ENV['keep_temps']
arch_objs << arch_obj
end