Byproducts: Add test for collapsing of full paths in byproducts

Add test for collapsing of full paths in byproducts and additional tests for
the GENERATED source file properties set by add_custom_command and
add_custom_target with relative paths.

Tests/CustomCommandByproducts/CMakeLists.txt

@@ -14,20 +14,20 @@ add_custom_command(
 
 # Generate a byproduct in a rule that runs in a dependency of the consumer.
 add_custom_command(
-  OUTPUT timestamp2.txt
+  OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/../CustomCommandByproducts/timestamp2.txt
   COMMAND ${CMAKE_COMMAND} -E copy_if_different
     ${CMAKE_CURRENT_SOURCE_DIR}/byproduct2.c.in byproduct2.c
-  BYPRODUCTS byproduct2.c
+  BYPRODUCTS ${CMAKE_CURRENT_BINARY_DIR}/../CustomCommandByproducts/byproduct2.c
   COMMAND ${CMAKE_COMMAND} -E touch timestamp2.txt
   DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/byproduct2.c.in
   )
-add_custom_target(Producer2 DEPENDS timestamp2.txt)
+add_custom_target(Producer2 DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/timestamp2.txt)
 
 # Generate a byproduct in a custom target.
 add_custom_target(Producer3_4
   COMMAND ${CMAKE_COMMAND} -E copy_if_different
     ${CMAKE_CURRENT_SOURCE_DIR}/byproduct3.c.in byproduct3.c
-  BYPRODUCTS byproduct3.c
+  BYPRODUCTS ${CMAKE_CURRENT_BINARY_DIR}/../CustomCommandByproducts/byproduct3.c
   DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/byproduct3.c.in
   )
 
@@ -36,7 +36,7 @@ add_custom_command(
   TARGET Producer3_4 POST_BUILD
   COMMAND ${CMAKE_COMMAND} -E copy_if_different
     ${CMAKE_CURRENT_SOURCE_DIR}/byproduct4.c.in byproduct4.c
-  BYPRODUCTS byproduct4.c
+  BYPRODUCTS ${CMAKE_CURRENT_BINARY_DIR}/../CustomCommandByproducts/byproduct4.c
   DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/byproduct4.c.in
   )
 

Tests/RunCMake/add_custom_command/GeneratedProperty.cmake

@@ -0,0 +1,10 @@
+add_custom_command(
+  OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/../GeneratedProperty-build/a"
+  BYPRODUCTS "${CMAKE_CURRENT_BINARY_DIR}/../GeneratedProperty-build/b"
+  COMMAND c
+  )
+get_source_file_property(GENERATED_A "${CMAKE_CURRENT_BINARY_DIR}/a" GENERATED)
+get_source_file_property(GENERATED_B "${CMAKE_CURRENT_BINARY_DIR}/b" GENERATED)
+if(NOT GENERATED_A OR NOT GENERATED_B)
+  message(FATAL_ERROR "failed")
+endif()

Tests/RunCMake/add_custom_command/RunCMakeTest.cmake

@@ -3,6 +3,7 @@ include(RunCMake)
 run_cmake(AppendNoOutput)
 run_cmake(AppendNotOutput)
 run_cmake(BadArgument)
+run_cmake(GeneratedProperty)
 run_cmake(NoArguments)
 run_cmake(NoOutputOrTarget)
 run_cmake(OutputAndTarget)

Tests/RunCMake/add_custom_target/GeneratedProperty.cmake

@@ -0,0 +1,14 @@
+add_custom_command(
+  OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/../GeneratedProperty-build/a"
+  COMMAND b
+  )
+add_custom_target(CollapseFullPath
+  DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/a"
+  BYPRODUCTS "${CMAKE_CURRENT_BINARY_DIR}/../GeneratedProperty-build/c"
+  COMMAND d
+  )
+get_source_file_property(GENERATED_A "${CMAKE_CURRENT_BINARY_DIR}/a" GENERATED)
+get_source_file_property(GENERATED_C "${CMAKE_CURRENT_BINARY_DIR}/c" GENERATED)
+if(NOT GENERATED_A OR NOT GENERATED_C)
+  message(FATAL_ERROR "failed")
+endif()

Tests/RunCMake/add_custom_target/RunCMakeTest.cmake

@@ -1,6 +1,7 @@
 include(RunCMake)
 
 run_cmake(CommandExpandsEmpty)
+run_cmake(GeneratedProperty)
 run_cmake(NoArguments)
 run_cmake(BadTargetName)
 run_cmake(ByproductsNoCommand)