commit 98b8377

libffi: Add table with arch name and dir

Although nothing checks for RISCV, riscv64 uses RISCV as the target
define, not arch:upper() like the other targets.

 1@@ -1,4 +1,12 @@
 2+local targets = {
 3+	aarch64={name='AARCH64', dir='aarch64'},
 4+	riscv64={name='RISCV', dir='riscv64'},
 5+	x86_64={name='X86_64', dir='x86'},
 6+}
 7 local arch = config.target.platform:match('[^-]*')
 8+local targ = targets[arch]
 9+if not targ then return end
10+
11 cflags{
12 	'-Wall', '-Wno-deprecated-declarations',
13 	'-I $dir',
14@@ -9,7 +17,7 @@ cflags{
15 build('sed', '$outdir/include/ffi.h', '$srcdir/include/ffi.h.in', {
16 	expr={
17 		'-e s,@VERSION@,3.3,',
18-		string.format('-e s,@TARGET@,%s,', arch:upper()),
19+		string.format('-e s,@TARGET@,%s,', targ.name),
20 		'-e s,@HAVE_LONG_DOUBLE@,1,',
21 		'-e s,@HAVE_LONG_DOUBLE_VARIANT@,0,',
22 		'-e s,@FFI_EXEC_TRAMPOLINE_TABLE@,0,',
23@@ -17,7 +25,7 @@ build('sed', '$outdir/include/ffi.h', '$srcdir/include/ffi.h.in', {
24 })
25 
26 pkg.hdrs = {
27-	copy('$outdir/include', '$srcdir/src/'..({x86_64='x86', aarch64='aarch64', riscv64='riscv'})[arch], {'ffitarget.h'}),
28+	copy('$outdir/include', '$srcdir/src/'..targ.dir, {'ffitarget.h'}),
29 	'$outdir/include/ffi.h',
30 	install=true,
31 }