tests: Test extern'd globals on MacOS with the Apple Archiver

This is a regression test for: #11165. The test was initially merged as part of: #10628, but had to be reverted. A second attempt at fixing the root cause also had to be reverted: #10699. A 3rd attempt got merged but missed this unit test: #11742. Co-authored-by: Dylan Baker <[email protected]>
mesonbuild · Jul 5, 2023 · 00552cf · 00552cf
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diff --git a/test cases/osx/9 global variable ar/libfile.c b/test cases/osx/9 global variable ar/libfile.c
@@ -0,0 +1,9 @@
+// Source: https://lists.gnu.org/archive/html/libtool/2002-07/msg00025.html
+
+#include <stdio.h>
+
+extern int l2;
+void l1(void)
+{
+  printf("l1 %d\n", l2);
+}
diff --git a/test cases/osx/9 global variable ar/libfile2.c b/test cases/osx/9 global variable ar/libfile2.c
@@ -0,0 +1,7 @@
+// Source: https://lists.gnu.org/archive/html/libtool/2002-07/msg00025.html
+
+int l2;
+void l2_func(void)
+{
+  l2 = 77;
+}
diff --git a/test cases/osx/9 global variable ar/meson.build b/test cases/osx/9 global variable ar/meson.build
@@ -0,0 +1,6 @@
+# Source: https://lists.gnu.org/archive/html/libtool/2002-07/msg00025.html
+
+project('global variable test', 'c')
+
+lib = static_library('mylib', 'libfile.c', 'libfile2.c')
+test('global variable', executable('prog', 'prog.c', link_with: lib))
diff --git a/test cases/osx/9 global variable ar/nativefile.ini b/test cases/osx/9 global variable ar/nativefile.ini
@@ -0,0 +1,2 @@
+[binaries]
+ar = 'ar'
diff --git a/test cases/osx/9 global variable ar/prog.c b/test cases/osx/9 global variable ar/prog.c
@@ -0,0 +1,7 @@
+// Source: https://lists.gnu.org/archive/html/libtool/2002-07/msg00025.html
+
+extern void l1(void);
+int main(void)
+{
+  l1();
+}