ENH: Add simple exclusion test for subdirectories

Tests/SimpleExclude/CMakeLists.txt

@@ -0,0 +1,8 @@
+project(SimpleExclude C)
+
+set(EXECUTABLE_OUTPUT_PATH "${SimpleExclude_BINARY_DIR}" CACHE INTERNAL "" FORCE)
+set(LIBRARY_OUTPUT_PATH "${SimpleExclude_BINARY_DIR}" CACHE INTERNAL "" FORCE)
+
+add_subdirectory(dirC EXCLUDE_FROM_ALL)
+add_subdirectory(dirD)
+

Tests/SimpleExclude/dirC/CMakeLists.txt

@@ -0,0 +1,3 @@
+add_subdirectory(dirA EXCLUDE_FROM_ALL)
+add_subdirectory(dirB)
+

Tests/SimpleExclude/dirC/dirA/CMakeLists.txt

@@ -0,0 +1,10 @@
+add_library(t1 t1.c)
+
+add_library(t2 t2.c)
+
+add_executable(t3 t3.c)
+
+add_executable(t4 t4.c)
+
+add_executable(t5 t5.c)
+target_link_libraries(t5 t1)

Tests/SimpleExclude/dirC/dirA/t1.c

@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+int tlib1func()
+{
+  Should not be build unless target directory A, B, or C are build;
+  printf("This is T1\n");
+  return 5;
+}

Tests/SimpleExclude/dirC/dirA/t2.c

@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int tlib2func()
+{
+  printf("This is T2\n");
+  return 2;
+}

Tests/SimpleExclude/dirC/dirA/t3.c

@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int main(int argc, char* argv[])
+{
+  Should not be build unless target directory A, B, or C are build;
+  return 0;
+}

Tests/SimpleExclude/dirC/dirA/t4.c

@@ -0,0 +1,17 @@
+#include <stdio.h>
+
+#ifdef __CLASSIC_C__
+int main()
+{
+  int ac;
+  char*av[];
+#else
+  int main(int ac, char*av[])
+    {
+#endif
+    if(ac > 1000){return *av[0];}
+    printf("This is T4. This one should work.\n");
+    return 0;
+    }
+
+

Tests/SimpleExclude/dirC/dirA/t5.c

@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int main(int argc, char* argv[])
+{
+  Should not be build unless target directory A, B, or C are build;
+  return 5;
+}

Tests/SimpleExclude/dirC/dirB/CMakeLists.txt

@@ -0,0 +1,5 @@
+add_library(t6 t6.c)
+
+add_library(t7 t7.c)
+target_link_libraries(t7 t2)
+

Tests/SimpleExclude/dirC/dirB/t6.c

@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+int tlib6func()
+{
+  Should not be build unless target directory B, or C are build;
+  printf("This is T6\n");
+  return 6;
+}

Tests/SimpleExclude/dirC/dirB/t7.c

@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+extern int tlib2func();
+
+int tlib7func()
+{
+  printf("This is T7\n");
+
+  if ( tlib2func() != 2 )
+    {
+    fprintf(stderr, "Something wrong with T2\n");
+    return 1;
+    }
+
+  return 7;
+}

Tests/SimpleExclude/dirD/CMakeLists.txt

@@ -0,0 +1,7 @@
+add_library(t8 t8.c)
+
+add_executable(t9 t9.c)
+target_link_libraries(t9 t7)
+
+add_custom_target(t4_custom ALL)
+add_dependencies(t4_custom t4)

Tests/SimpleExclude/dirD/t8.c

@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int tlib8func()
+{
+  printf("This is T8\n");
+  return 8;
+}

Tests/SimpleExclude/dirD/t9.c

@@ -0,0 +1,24 @@
+#include <stdio.h>
+
+extern int tlib7func();
+
+#ifdef __CLASSIC_C__
+int main()
+{
+  int ac;
+  char*av[];
+#else
+  int main(int ac, char*av[])
+    {
+#endif
+    if(ac > 1000){return *av[0];}
+    printf("This is T9. This one should work.\n");
+
+    if ( tlib7func() != 7 )
+      {
+      fprintf(stderr, "Something wrong with T7\n");
+      return 1;
+      }
+    return 0;
+    }
+