[Cmake-commits] CMake branch, next, updated. v2.8.5-1616-g940f2ee

[Stephen Kelly]

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- Log -----------------------------------------------------------------
http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=940f2eed910256414c5e5f047a6d4da30acb6440
commit 940f2eed910256414c5e5f047a6d4da30acb6440
Merge: d7a3890 afae7a9
Author:     Stephen Kelly <steveire at gmail.com>
AuthorDate: Tue Aug 16 20:37:36 2011 -0400
Commit:     CMake Topic Stage <kwrobot at kitware.com>
CommitDate: Tue Aug 16 20:37:36 2011 -0400

    Merge topic 'generate_export_header' into next
    
    afae7a9 Start testing expected values for compiler flags.


http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=afae7a95a06bf1cbec47b3b4471e5f11a41065cb
commit afae7a95a06bf1cbec47b3b4471e5f11a41065cb
Author:     Stephen Kelly <steveire at gmail.com>
AuthorDate: Wed Aug 17 02:34:23 2011 +0200
Commit:     Stephen Kelly <steveire at gmail.com>
CommitDate: Wed Aug 17 02:36:22 2011 +0200

    Start testing expected values for compiler flags.
    
    Should help catch unhandled flag warnings so far not handled by
    check_cxx_compiler_flag FAIL_REGEXen.

diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index eececb0..aad908c 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -223,6 +223,8 @@ IF(BUILD_TESTING)
 
   ADD_TEST_MACRO(Module.GenerateExportHeader GenerateExportHeader)
 
+  ADD_TEST_MACRO(Module.CheckCXXCompilerFlag CheckCXXCompilerFlag)
+
   ADD_TEST(LinkFlags-prepare
     ${CMAKE_CTEST_COMMAND} -C \${CTEST_CONFIGURATION_TYPE}
     --build-and-test
diff --git a/Tests/Module/CheckCXXCompilerFlag/CMakeLists.txt b/Tests/Module/CheckCXXCompilerFlag/CMakeLists.txt
new file mode 100644
index 0000000..70bafb6
--- /dev/null
+++ b/Tests/Module/CheckCXXCompilerFlag/CMakeLists.txt
@@ -0,0 +1,63 @@
+cmake_minimum_required(VERSION 2.8)
+project(CheckCXXCompilerFlag)
+
+macro(TEST_FAIL value msg)
+  if (${value})
+    message (SEND_ERROR "Test fail:" ${msg} ${Out} )
+  endif ()
+endmacro()
+
+macro(TEST_PASS value msg)
+  if (NOT ${value})
+    message (SEND_ERROR "Test fail:" ${msg} ${Out} )
+  endif ()
+endmacro()
+
+if(CMAKE_COMPILER_IS_GNUCXX)
+  exec_program(${CMAKE_C_COMPILER} ARGS --version OUTPUT_VARIABLE     _gcc_version_info)
+  string (REGEX MATCH "[345]\\.[0-9]\\.[0-9]" _gcc_version "${_gcc_version_info}")
+  # gcc on mac just reports: "gcc (GCC) 3.3 20030304 ..." without the
+  # patch level, handle this here:
+  if(NOT _gcc_version)
+    string (REGEX REPLACE ".*\\(GCC\\).* ([34]\\.[0-9]) .*" "\\1.0" _gcc_version "${_gcc_version_info}")
+  endif()
+endif()
+
+if(CMAKE_COMPILER_ID MATCHES Clang)
+  exec_program(${CMAKE_CXX_COMPILER} ARGS --version OUTPUT_VARIABLE     _clang_version_info)
+  string (REGEX MATCH "version [345]\\.[0-9]" _clang_version "${_clang_version_info}")
+endif()
+
+message("Platform:\n  WIN32: ${WIN32}\n  UNIX: ${UNIX}\n  APPLE: ${APPLE}\n  MINGW: ${MINGW}\n  CYGWIN: ${CYGWIN}\n"
+  "  MSVC: ${MSVC}\n  MSVC60: ${MSVC60}\n  MSVC70: ${MSVC70}\n  MSVC71: ${MSVC71}\n  MSVC80: ${MSVC80}\n  MSVC90: ${MSVC90}\n  MSVC10: ${MSVC10}\n"
+  "  GCC: ${_gcc_version}\n"
+  "  Clang: ${_clang_version}\n"
+)
+
+include(CheckCXXCompilerFlag)
+
+check_cxx_compiler_flag(-fvisibility=hidden HAS_HIDDEN_VISIBILITY)
+
+message("HAS_HIDDEN_VISIBILITY: ${HAS_HIDDEN_VISIBILITY}\n\nCOMPILE OUTPUT:\n${OUTPUT}")
+
+if(CMAKE_COMPILER_IS_GNUCXX)
+  test_pass(HAS_HIDDEN_VISIBILITY "GCC should support hidden visibility, but does not.")
+else()
+  message("Unhandled Platform")
+endif()
+
+#
+# This is a no-op executable... If this test is going to fail, it fails during
+# the configure step while cmake is configuring this CMakeLists.txt file...
+#
+
+file(WRITE
+  "${CMAKE_CURRENT_BINARY_DIR}/main.cxx"
+  "int main() { return 0; }
+"
+)
+
+add_executable(
+  CheckCXXCompilerFlag
+  "${CMAKE_CURRENT_BINARY_DIR}/main.cxx"
+)

-----------------------------------------------------------------------

Summary of changes:
 Tests/CMakeLists.txt                             |    2 +
 Tests/Module/CheckCXXCompilerFlag/CMakeLists.txt |   63 ++++++++++++++++++++++
 2 files changed, 65 insertions(+), 0 deletions(-)
 create mode 100644 Tests/Module/CheckCXXCompilerFlag/CMakeLists.txt


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