Use ctest to run all tests and print output.

Change-Id: Ib5a8513cc2d08adce49602b2590059b918b1ffda
Reviewed-by: Alexander Neundorf <neundorf@kde.org>
Reviewed-by: Stephen Kelly <stephen.kelly@kdab.com>

src/corelib/Qt5CoreConfigExtras.cmake.in

@@ -12,7 +12,5 @@ if (NOT \"$${CMAKE_ADD_FPIE_FLAGS}\" STREQUAL \"\")
     set(Qt5Core_COMPILE_FLAGS "-fPIE")
 endif()
 
-if (NOT \"$$QT_NAMESPACE\" STREQUAL \"\")
 list(APPEND Qt5Core_DEFINITIONS -DQT_NAMESPACE=$$QT_NAMESPACE)
 list(APPEND Qt5Core_COMPILE_DEFINITIONS QT_NAMESPACE=$$QT_NAMESPACE)
-endif()

tests/manual/cmake/CMakeLists.txt

@@ -1,33 +1,84 @@
 
+# This is an automatic test for the CMake configuration files.
+# To run it,
+# 1) mkdir build   # Create a build directory
+# 2) cd build
+# 3) cmake ..      # Run cmake on this directory.
+# 4) ctest         # Run ctest
+#
+# The expected output is something like:
+#
+#     Start 1: pass1
+# 1/7 Test #1: pass1 ............................   Passed    4.25 sec
+#     Start 2: pass2
+# 2/7 Test #2: pass2 ............................   Passed    2.00 sec
+#     Start 3: pass3
+# 3/7 Test #3: pass3 ............................   Passed    2.85 sec
+#     Start 4: fail4
+# 4/7 Test #4: fail4 ............................   Passed    1.88 sec
+#     Start 5: fail5
+# 5/7 Test #5: fail5 ............................   Passed    1.36 sec
+#     Start 6: pass_needsquoting_6
+# 6/7 Test #6: pass_needsquoting_6 ..............   Passed    2.88 sec
+#     Start 7: pass7
+# 7/7 Test #7: pass7 ............................   Passed    0.93 sec
+#
+# Note that if Qt is not installed, or if it is installed to a
+# non-standard prefix, the environment variable CMAKE_PREFIX_PATH
+# needs to be set to the installation prefix or build prefix of Qt
+# before running these tests.
+
 cmake_minimum_required(VERSION 2.8)
 
 project(qmake_cmake_files)
 
-macro(_do_build _dir)
-    try_compile(Result ${CMAKE_CURRENT_BINARY_DIR}/${_dir}
-        ${CMAKE_CURRENT_SOURCE_DIR}/${_dir}
-        ${_dir}
-        OUTPUT_VARIABLE Out
+enable_testing()
+
+macro(expect_pass _dir)
+  string(REPLACE "(" "_" testname "${_dir}")
+  string(REPLACE ")" "_" testname "${testname}")
+  add_test(${testname} ${CMAKE_CTEST_COMMAND}
+    --build-and-test
+    "${CMAKE_CURRENT_SOURCE_DIR}/${_dir}"
+    "${CMAKE_CURRENT_BINARY_DIR}/${_dir}"
+    --build-generator ${CMAKE_GENERATOR}
+    --build-makeprogram ${CMAKE_MAKE_PROGRAM}
   )
 endmacro()
 
-macro(expect_pass _dir)
-    _do_build(${_dir})
-    if (NOT Result)
-        message(SEND_ERROR "Build failed: ${Out}")
-    endif()
-endmacro()
-
 macro(expect_fail _dir)
-    _do_build(${_dir})
+  string(REPLACE "(" "_" testname "${_dir}")
+  string(REPLACE ")" "_" testname "${testname}")
+  file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/failbuild/${_dir}")
+  file(COPY "${CMAKE_CURRENT_SOURCE_DIR}/${_dir}" DESTINATION "${CMAKE_CURRENT_BINARY_DIR}/failbuild/${_dir}")
+  file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/failbuild/${_dir}/CMakeLists.txt"
+    "
+      cmake_minimum_required(VERSION 2.8)
+      project(${_dir}_build)
+
+      try_compile(Result \${CMAKE_CURRENT_BINARY_DIR}/${_dir}
+          \${CMAKE_CURRENT_SOURCE_DIR}/${_dir}
+          ${_dir}
+      )
       if (Result)
-        message(SEND_ERROR "Build should fail, but did not: ${Out}")
+        message(SEND_ERROR \"Succeeded build which should fail\")
       endif()
+      "
+  )
+  add_test(${testname} ${CMAKE_CTEST_COMMAND}
+    --build-and-test
+    "${CMAKE_CURRENT_BINARY_DIR}/failbuild/${_dir}"
+    "${CMAKE_CURRENT_BINARY_DIR}/failbuild/${_dir}/build"
+    --build-generator ${CMAKE_GENERATOR}
+    --build-makeprogram ${CMAKE_MAKE_PROGRAM}
+  )
 endmacro()
 
 if(${CMAKE_VERSION} VERSION_GREATER 2.8.7)
     # Requires CMAKE_AUTOMOC function in CMake 2.8.7
     expect_pass(pass1)
+else()
+    message("CMake version older than 2.8.7. Not running test \"pass1\"")
 endif()
 expect_pass(pass2)
 expect_pass(pass3)