c interop type foundation

compiler/backend/backend.odin

@@ -1,6 +1,7 @@
 package backend
 
 import "../linker"
+import "../target"
 import "core:fmt"
 import "core:mem"
 import "core:os"
@@ -14,6 +15,7 @@ append_owned :: proc(command: ^[dynamic]string, value: string, allocator: mem.Al
 build_command :: proc(
 	llvm_path, output_path: string,
 	link_arguments: []linker.Argument,
+	selected := target.DEFAULT,
 	allocator := context.allocator,
 ) -> []string {
 	command: [dynamic]string
@@ -21,6 +23,8 @@ build_command :: proc(
 	append_owned(&command, "/usr/bin/env", allocator)
 	append_owned(&command, "zig", allocator)
 	append_owned(&command, "cc", allocator)
+	append_owned(&command, "-target", allocator)
+	append_owned(&command, target.name(selected), allocator)
 	append_owned(&command, "-Wno-override-module", allocator)
 	append_owned(&command, llvm_path, allocator)
 	for argument in link_arguments {
@@ -45,12 +49,16 @@ destroy_command :: proc(command: []string, allocator := context.allocator) {
 	delete(command, allocator)
 }
 
-compile :: proc(llvm_path, output_path: string, link_arguments: []linker.Argument = nil) -> bool {
+compile :: proc(
+	llvm_path, output_path: string,
+	link_arguments: []linker.Argument = nil,
+	selected := target.DEFAULT,
+) -> bool {
 	pid := os2.get_pid()
 	temporary_output := fmt.tprintf("%s.brolang-tmp-%d", output_path, pid)
 	defer _ = os.remove(temporary_output)
 
-	command := build_command(llvm_path, temporary_output, link_arguments)
+	command := build_command(llvm_path, temporary_output, link_arguments, selected)
 	defer destroy_command(command)
 	state, stdout, stderr, err := os2.process_exec(
 		os2.Process_Desc{command=command},