Add test for subprojects in subdirectories

test cases/common/177 subproject nested subproject dirs/contrib/subprojects/alpha/a.c

@@ -0,0 +1,15 @@
+int func2();
+
+#if defined _WIN32 || defined __CYGWIN__
+  #define DLL_PUBLIC __declspec(dllexport)
+#else
+  #if defined __GNUC__
+    #define DLL_PUBLIC __attribute__ ((visibility("default")))
+  #else
+    #pragma message ("Compiler does not support symbol visibility.")
+    #define DLL_PUBLIC
+  #endif
+#endif
+
+int DLL_PUBLIC func() { return func2(); }
+

test cases/common/177 subproject nested subproject dirs/contrib/subprojects/alpha/meson.build

@@ -0,0 +1,4 @@
+project('alpha project', 'c', subproject_dir: 'var/subprojects')
+
+b = subproject('beta')
+l = shared_library('a', 'a.c', link_with : b.get_variable('lb'))

test cases/common/177 subproject nested subproject dirs/contrib/subprojects/alpha/var/subprojects/wrap_files_might_be_here

@@ -0,0 +1 @@
+ 

test cases/common/177 subproject nested subproject dirs/contrib/subprojects/beta/b.c

@@ -0,0 +1,14 @@
+#if defined _WIN32 || defined __CYGWIN__
+  #define DLL_PUBLIC __declspec(dllexport)
+#else
+  #if defined __GNUC__
+    #define DLL_PUBLIC __attribute__ ((visibility("default")))
+  #else
+    #pragma message ("Compiler does not support symbol visibility.")
+    #define DLL_PUBLIC
+  #endif
+#endif
+
+int DLL_PUBLIC func2() {
+    return 42;
+}

test cases/common/177 subproject nested subproject dirs/contrib/subprojects/beta/meson.build

@@ -0,0 +1,3 @@
+project('beta project', 'c')
+
+lb = shared_library('b', 'b.c')

test cases/common/177 subproject nested subproject dirs/meson.build

@@ -0,0 +1,7 @@
+project('gamma project', 'c', subproject_dir: 'contrib/subprojects')
+
+a = subproject('alpha')
+lib = a.get_variable('l')
+
+exe = executable('prog', 'prog.c', link_with : lib)
+test('basic', exe)

test cases/common/177 subproject nested subproject dirs/prog.c

@@ -0,0 +1,5 @@
+int func();
+
+int main(int argc, char **argv) {
+    return func() == 42 ? 0 : 1;
+}