9 files changed, 192 insertions, 0 deletions
diff --git a/Tests/BuildDepends/Project/CMakeLists.txt b/Tests/BuildDepends/Project/CMakeLists.txt
new file mode 100644
index 000000000..ed8b8bf5d
--- /dev/null
+++ b/Tests/BuildDepends/Project/CMakeLists.txt
@@ -0,0 +1,109 @@
+cmake_minimum_required(VERSION 2.6)
+project(testRebuild)
+
+function(test_for_xcode4 result_var)
+  set(${result_var} 0 PARENT_SCOPE)
+  if(APPLE)
+    execute_process(COMMAND xcodebuild -version
+      OUTPUT_VARIABLE ov RESULT_VARIABLE rv
+      )
+    if("${rv}" STREQUAL "0")
+      if(ov MATCHES "^Xcode 4.[0-9].*$")
+        set(${result_var} 1 PARENT_SCOPE)
+      endif()
+    endif()
+  endif()
+endfunction()
+
+if(APPLE)
+  # only use multi-arch if the sysroot exists on this machine
+  # Ninja needs -M which could not be used with multiple -arch flags
+  if(EXISTS "${CMAKE_OSX_SYSROOT}" AND NOT "${CMAKE_GENERATOR}" MATCHES "Ninja")
+    set(CMAKE_OSX_ARCHITECTURES "ppc;i386")
+    test_for_xcode4(is_xcode4)
+    if(is_xcode4)
+      # Xcode 4, use modern architectures as defaults
+      # Arch 'ppc' no longer works: tools no longer available starting with Xcode 4
+      set(CMAKE_OSX_ARCHITECTURES i386 x86_64)
+    endif()
+  endif()
+endif(APPLE)
+
+add_library(foo STATIC ${testRebuild_BINARY_DIR}/foo.cxx)
+set_target_properties(foo PROPERTIES OUTPUT_NAME "foolib")
+# Add a generated header that regenerates when the generator is
+# rebuilt.
+add_custom_command(
+  OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/regen.h
+  COMMAND generator ${CMAKE_CURRENT_BINARY_DIR}/regen.h regen
+  DEPENDS generator # adds file-level dependency to re-run rule
+  )
+
+# Add a generated header that does NOT regenerate when the generator
+# is rebuilt.
+add_custom_command(
+  OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/noregen.h
+  COMMAND generator ${CMAKE_CURRENT_BINARY_DIR}/noregen.h noregen
+  )
+
+# Test that the generator rebuilds when the static library source file
+# changes.  This should cause regen.h to be recreated also.
+add_executable(generator generator.cxx)
+target_link_libraries(generator foo)
+set_target_properties(generator PROPERTIES OUTPUT_NAME "gen")
+
+# Build an executable to drive the build and rebuild.
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
+add_executable(bar bar.cxx
+  ${CMAKE_CURRENT_BINARY_DIR}/regen.h
+  ${CMAKE_CURRENT_BINARY_DIR}/noregen.h
+  )
+
+#-----------------------------------------------------------------------------
+IF("${CMAKE_GENERATOR}" MATCHES "Make")
+  # Test the IMPLICIT_DEPENDS feature.
+  SET(ZOT_DEPENDS IMPLICIT_DEPENDS CXX ${CMAKE_CURRENT_SOURCE_DIR}/dep.cxx)
+  SET(ZOT_CUSTOM_DEP
+    IMPLICIT_DEPENDS CXX ${CMAKE_CURRENT_SOURCE_DIR}/dep_custom.cxx)
+ELSE("${CMAKE_GENERATOR}" MATCHES "Make")
+  # No IMPLICIT_DEPENDS...just depend directly.
+  SET(ZOT_DEPENDS DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/zot.hxx.in)
+  SET(ZOT_CUSTOM_DEP DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/zot_custom.hxx.in)
+ENDIF("${CMAKE_GENERATOR}" MATCHES "Make")
+add_custom_command(
+  OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zot.hxx
+  COMMAND ${CMAKE_COMMAND} -E copy
+  ${CMAKE_CURRENT_BINARY_DIR}/zot.hxx.in
+  ${CMAKE_CURRENT_BINARY_DIR}/zot.hxx
+  ${ZOT_DEPENDS}
+  )
+
+add_custom_command(
+  OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zot_custom.hxx
+  COMMAND ${CMAKE_COMMAND} -E copy
+  ${CMAKE_CURRENT_BINARY_DIR}/zot_custom.hxx.in
+  ${CMAKE_CURRENT_BINARY_DIR}/zot_custom.hxx
+  ${ZOT_CUSTOM_DEP}
+  )
+add_custom_target(zot_custom ALL DEPENDS
+  ${CMAKE_CURRENT_BINARY_DIR}/zot_custom.hxx)
+
+add_executable(zot zot.cxx ${CMAKE_CURRENT_BINARY_DIR}/zot.hxx
+  zot_macro_dir.cxx zot_macro_tgt.cxx)
+add_dependencies(zot zot_custom)
+
+# Test the #include line macro transformation rule support.
+set_property(
+  TARGET zot
+  PROPERTY IMPLICIT_DEPENDS_INCLUDE_TRANSFORM "ZOT_TGT(%)=<zot_%_tgt.hxx>"
+  )
+
+set_property(
+  DIRECTORY
+  PROPERTY IMPLICIT_DEPENDS_INCLUDE_TRANSFORM "ZOT_DIR(%)=<zot_%_dir.hxx>"
+  )
+
+if(TEST_LINK_DEPENDS)
+  add_executable(linkdep linkdep.cxx)
+  set_property(TARGET linkdep PROPERTY LINK_DEPENDS ${TEST_LINK_DEPENDS})
+endif()
diff --git a/Tests/BuildDepends/Project/bar.cxx b/Tests/BuildDepends/Project/bar.cxx
new file mode 100644
index 000000000..25d8bd21b
--- /dev/null
+++ b/Tests/BuildDepends/Project/bar.cxx
@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <string.h>
+#include <regen.h>
+#include <noregen.h>
+
+int main(int argc, char** argv)
+{
+  /* Make sure the noregen header was not regenerated.  */
+  if(strcmp("foo", noregen_string) != 0)
+    {
+    printf("FAILED: noregen.h was regenerated!\n");
+    return 1;
+    }
+
+  /* Print out the string that should have been regenerated.  */
+  printf("%s\n", regen_string);
+  fflush(stdout);
+  // if any argument is used, wait forever
+  if (argc>1)
+    {
+    // wait that we get killed...
+    for(;;);
+    }
+  return 0;
+}
diff --git a/Tests/BuildDepends/Project/dep.cxx b/Tests/BuildDepends/Project/dep.cxx
new file mode 100644
index 000000000..6cfebe37c
--- /dev/null
+++ b/Tests/BuildDepends/Project/dep.cxx
@@ -0,0 +1 @@
+#include <zot.hxx.in>
diff --git a/Tests/BuildDepends/Project/dep_custom.cxx b/Tests/BuildDepends/Project/dep_custom.cxx
new file mode 100644
index 000000000..b6ac54847
--- /dev/null
+++ b/Tests/BuildDepends/Project/dep_custom.cxx
@@ -0,0 +1 @@
+#include <zot_custom.hxx.in>
diff --git a/Tests/BuildDepends/Project/generator.cxx b/Tests/BuildDepends/Project/generator.cxx
new file mode 100644
index 000000000..92a122de8
--- /dev/null
+++ b/Tests/BuildDepends/Project/generator.cxx
@@ -0,0 +1,24 @@
+#include <stdio.h>
+
+extern const char* foo();
+
+int main(int argc, const char* argv[])
+{
+  if(argc < 3)
+    {
+    fprintf(stderr, "Must specify output file and symbol prefix!");
+    return 1;
+    }
+  if(FILE* fout = fopen(argv[1], "w"))
+    {
+    fprintf(fout, "static const char* %s_string = \"%s\";\n", argv[2],
+            foo());
+    fclose(fout);
+    }
+  else
+    {
+    fprintf(stderr, "Could not open output file \"%s\"", argv[1]);
+    return 1;
+    }
+  return 0;
+}
diff --git a/Tests/BuildDepends/Project/linkdep.cxx b/Tests/BuildDepends/Project/linkdep.cxx
new file mode 100644
index 000000000..f8b643afb
--- /dev/null
+++ b/Tests/BuildDepends/Project/linkdep.cxx
@@ -0,0 +1,4 @@
+int main()
+{
+  return 0;
+}
diff --git a/Tests/BuildDepends/Project/zot.cxx b/Tests/BuildDepends/Project/zot.cxx
new file mode 100644
index 000000000..775fd3b43
--- /dev/null
+++ b/Tests/BuildDepends/Project/zot.cxx
@@ -0,0 +1,14 @@
+#include <zot.hxx>
+#include <zot_custom.hxx>
+#include <stdio.h>
+
+const char* zot_macro_dir_f();
+const char* zot_macro_tgt_f();
+
+int main()
+{
+  printf("[%s] [%s] [%s] [%s]\n", zot, zot_custom,
+         zot_macro_dir_f(), zot_macro_tgt_f());
+  fflush(stdout);
+  return 0;
+}
diff --git a/Tests/BuildDepends/Project/zot_macro_dir.cxx b/Tests/BuildDepends/Project/zot_macro_dir.cxx
new file mode 100644
index 000000000..733a4b37f
--- /dev/null
+++ b/Tests/BuildDepends/Project/zot_macro_dir.cxx
@@ -0,0 +1,7 @@
+#define ZOT_DIR(x) <zot_##x##_dir.hxx>
+#include ZOT_DIR(macro)
+
+const char* zot_macro_dir_f()
+{
+  return zot_macro_dir;
+}
diff --git a/Tests/BuildDepends/Project/zot_macro_tgt.cxx b/Tests/BuildDepends/Project/zot_macro_tgt.cxx
new file mode 100644
index 000000000..182ee16fd
--- /dev/null
+++ b/Tests/BuildDepends/Project/zot_macro_tgt.cxx
@@ -0,0 +1,7 @@
+#define ZOT_TGT(x) <zot_##x##_tgt.hxx>
+#include ZOT_TGT(macro)
+
+const char* zot_macro_tgt_f()
+{
+  return zot_macro_tgt;
+}