Add static lib.

.github/workflows/main.yml

@@ -326,6 +326,15 @@ jobs:
           ./a.out
           ../../../build/c3c compile-run test.c3 -L . -l add -z -Wl,-rpath=.           
 
+      - name: Compile and run staticlib-test
+        run: |
+          cd resources/examples/staticlib-test
+          ../../../build/c3c -vv static-lib add.c3
+          mv add.a libadd.a
+          cc test.c -L. -ladd         
+          ./a.out
+          ../../../build/c3c compile-run test.c3 -L . -l add           
+
       - name: Compile run unit tests
         run: |
           cd test

resources/examples/staticlib-test/add.c3

@@ -0,0 +1,19 @@
+module add;
+import std;
+struct Foo(Printable)
+{
+	int a;
+}
+
+fn usz! Foo.to_format(&self, Formatter* f) @dynamic
+{
+	return f.printf("Foo[%d]", self.a);
+}
+
+fn int add(int a, int b) @export("adder")
+{
+	io::printn("In adder");
+	Foo x = { a };
+	io::printfn("Print foo: %s", x);
+	return a + b;
+}

resources/examples/staticlib-test/test.c

@@ -0,0 +1,8 @@
+#include <stdio.h>
+extern int adder(int a, int b);
+
+int main()
+{
+	printf("%d\n", adder(1, 4));
+	return 0;
+}

resources/examples/staticlib-test/test.c3

@@ -0,0 +1,9 @@
+module add;
+import std;
+extern fn int adder(int a, int b);
+
+fn int main()
+{
+	io::printn(adder(1, 4));
+	return 0;
+}

test/test_suite/initialize/initialize_finalize.c3t

@@ -60,8 +60,7 @@ entry:
   call void @puts(ptr @.str.4)
   ret void
 }
-
-define void @.__c3_atexit_test.shutdown() {
+define weak void @.__c3_atexit_test.shutdown() comdat {
 entry:
   call void @atexit(ptr @test.shutdown)
   ret void