Add no-obj and no-stdlib-codegen options.

src/build/build_options.c

@@ -114,6 +114,8 @@ static void usage(void)
 	OUTPUT("  --emit-llvm               - Emit LLVM IR as a .ll file per module.");
 	OUTPUT("  --asm-out <dir>           - Override asm output directory for '--emit-asm'.");
 	OUTPUT("  --emit-asm                - Emit asm as a .s file per module.");
+	OUTPUT("  --no-obj                  - Do not output object files, this is only valid for `compile-only`.");
+	OUTPUT("  --no-stdlib-codegen       - Do not output object files (nor asm or ir) for the standard library.");
 	OUTPUT("  --target <target>         - Compile for a particular architecture + OS target.");
 	OUTPUT("  --threads <number>        - Set the number of threads to use for compilation.");
 	OUTPUT("  --safe                    - Set mode to 'safe', generating runtime traps on overflows and contract violations.");
@@ -585,6 +587,16 @@ static void parse_option(BuildOptions *options)
 				OUTPUT("C3 is low level programming language based on C.");
 				exit_compiler(COMPILER_SUCCESS_EXIT);
 			}
+			if (match_longopt("no-obj"))
+			{
+				options->no_obj = true;
+				return;
+			}
+			if (match_longopt("no-stdlib-codegen"))
+			{
+				options->no_stdlib_gen = true;
+				return;
+			}
 			if (match_longopt("debug-log"))
 			{
 				debug_log = true;
@@ -871,7 +883,6 @@ BuildOptions parse_arguments(int argc, const char *argv[])
 	BuildOptions build_options = {
 		.path = ".",
 		.emit_llvm = false,
-		.emit_bitcode = true,
 		.optimization_setting_override = OPT_SETTING_NOT_SET,
 		.debug_info_override = DEBUG_INFO_NOT_SET,
 		.safe_mode = -1,

src/build/build_options.h

@@ -321,11 +321,12 @@ typedef struct BuildOptions_
 	int safe_mode;
 	bool emit_llvm;
 	bool emit_asm;
-	bool emit_bitcode;
 	bool test_mode;
 	bool no_stdlib;
 	bool no_entry;
 	bool no_libc;
+	bool no_obj;
+	bool no_stdlib_gen;
 	bool force_linker;
 	bool read_stdin;
 	bool print_output;
@@ -422,6 +423,7 @@ typedef struct
 	bool read_stdin;
 	bool print_output;
 	bool no_entry;
+	bool no_stdlibgen;
 	int build_threads;
 	OptimizationLevel optimization_level;
 	MemoryEnvironment memory_environment;

src/build/builder.c

@@ -302,6 +302,11 @@ static void update_build_target_from_options(BuildTarget *target, BuildOptions *
 		target->emit_asm = false;
 		target->emit_object_files = false;
 	}
+	if (options->no_obj)
+	{
+		target->emit_object_files = false;
+	}
+	target->no_stdlibgen = options->no_stdlib_gen;
 	for (int i = 0; i < options->lib_dir_count; i++)
 	{
 		vec_add(target->libdirs, options->lib_dir[i]);

src/compiler/compiler.c

@@ -484,21 +484,29 @@ void compiler_compile(void)
 			printf("Program finished with exit code %d.\n", ret);
 		}
 	}
-	if (output_static)
+	else if (output_static)
 	{
 		if (!static_lib_linker(output_static, obj_files, output_file_count))
 		{
 			error_exit("Failed to produce static library '%s'.", output_static);
 		}
+		compiler_link_time = bench_mark();
+		compiler_print_bench();
 		printf("Static library '%s' created.", output_static);
 	}
-	if (output_dynamic)
+	else if (output_dynamic)
 	{
 		if (!dynamic_lib_linker(output_dynamic, obj_files, output_file_count))
 		{
 			error_exit("Failed to produce static library '%s'.", output_dynamic);
 		}
 		printf("Dynamic library '%s' created.", output_dynamic);
+		compiler_link_time = bench_mark();
+		compiler_print_bench();
+	}
+	else
+	{
+		compiler_print_bench();
 	}
 	free(obj_files);
 }

src/compiler/llvm_codegen.c

@@ -1265,9 +1265,21 @@ LLVMMetadataRef llvm_get_debug_file(GenContext *c, FileId file_id)
 	return file;
 }
 
+static bool module_is_stdlib(Module *module)
+{
+	if (module->name->len < 3) return false;
+	if (module->name->len == 3 && strcmp(module->name->module, "std") == 0) return true;
+	if (module->name->len > 5 && memcmp(module->name->module, "std::", 5) == 0) return true;
+	if (module->name->len == 4 && strcmp(module->name->module, "libc") == 0) return true;
+	if (module->name->len > 6 && memcmp(module->name->module, "libc::", 6) == 0) return true;
+	return false;
+}
+
 static GenContext *llvm_gen_module(Module *module, LLVMContextRef shared_context)
 {
 	if (!vec_size(module->units)) return NULL;
+	if (active_target.no_stdlibgen && module_is_stdlib(module)) return NULL;
+
 	assert(intrinsics_setup);
 
 	bool has_elements = false;

src/version.h

@@ -1 +1 @@
-#define COMPILER_VERSION "0.4.523"
+#define COMPILER_VERSION "0.4.524"