[Cmake-commits] CMake branch, next, updated. v3.8.0-rc1-190-g37537d9

[Brad King]

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       via  ac0962cead1db76b44cbb9d9a413956ca31a7982 (commit)
      from  2556769b73a707529a73df5a474620281e3fb7d8 (commit)

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- Log -----------------------------------------------------------------
https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=37537d95cbcb3e7265599523bd31fe13cef25654
commit 37537d95cbcb3e7265599523bd31fe13cef25654
Merge: 2556769 ac0962c
Author:     Brad King <brad.king at kitware.com>
AuthorDate: Wed Feb 15 15:12:22 2017 -0500
Commit:     CMake Topic Stage <kwrobot at kitware.com>
CommitDate: Wed Feb 15 15:12:22 2017 -0500

    Merge topic 'TestBigEndian-cxx-only' into next
    
    ac0962ce TestBigEndian: Fix to work with CXX without C


https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=ac0962cead1db76b44cbb9d9a413956ca31a7982
commit ac0962cead1db76b44cbb9d9a413956ca31a7982
Author:     Uwe Koloska <uwe.koloska at voiceinterconnect.de>
AuthorDate: Wed Feb 15 18:21:35 2017 +0100
Commit:     Brad King <brad.king at kitware.com>
CommitDate: Wed Feb 15 15:08:37 2017 -0500

    TestBigEndian: Fix to work with CXX without C

diff --git a/Modules/TestBigEndian.cmake b/Modules/TestBigEndian.cmake
index 085be22..cc627d0 100644
--- a/Modules/TestBigEndian.cmake
+++ b/Modules/TestBigEndian.cmake
@@ -19,21 +19,29 @@ macro(TEST_BIG_ENDIAN VARIABLE)
     message(STATUS "Check if the system is big endian")
     message(STATUS "Searching 16 bit integer")
 
+    if(CMAKE_C_COMPILER_LOADED)
+      set(_test_language "C")
+    elseif(CMAKE_CXX_COMPILER_LOADED)
+      set(_test_language "CXX")
+    else()
+      message(FATAL_ERROR "TEST_BIG_ENDIAN needs either C or CXX language enabled")
+    endif()
+
     include(CheckTypeSize)
 
-    CHECK_TYPE_SIZE("unsigned short" CMAKE_SIZEOF_UNSIGNED_SHORT)
+    CHECK_TYPE_SIZE("unsigned short" CMAKE_SIZEOF_UNSIGNED_SHORT LANGUAGE ${_test_language})
     if(CMAKE_SIZEOF_UNSIGNED_SHORT EQUAL 2)
       message(STATUS "Using unsigned short")
       set(CMAKE_16BIT_TYPE "unsigned short")
     else()
-      CHECK_TYPE_SIZE("unsigned int"   CMAKE_SIZEOF_UNSIGNED_INT)
+      CHECK_TYPE_SIZE("unsigned int"   CMAKE_SIZEOF_UNSIGNED_INT LANGUAGE ${_test_language})
       if(CMAKE_SIZEOF_UNSIGNED_INT)
         message(STATUS "Using unsigned int")
         set(CMAKE_16BIT_TYPE "unsigned int")
 
       else()
 
-        CHECK_TYPE_SIZE("unsigned long"  CMAKE_SIZEOF_UNSIGNED_LONG)
+        CHECK_TYPE_SIZE("unsigned long"  CMAKE_SIZEOF_UNSIGNED_LONG LANGUAGE ${_test_language})
         if(CMAKE_SIZEOF_UNSIGNED_LONG)
           message(STATUS "Using unsigned long")
           set(CMAKE_16BIT_TYPE "unsigned long")
@@ -45,17 +53,21 @@ macro(TEST_BIG_ENDIAN VARIABLE)
 
     endif()
 
+    if(_test_language STREQUAL "CXX")
+      set(_test_file "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/TestEndianess.cpp")
+    else()
+      set(_test_file "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/TestEndianess.c")
+    endif()
 
     configure_file("${CMAKE_ROOT}/Modules/TestEndianess.c.in"
-                   "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/TestEndianess.c"
+                   ${_test_file}
                    @ONLY)
 
-     file(READ "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/TestEndianess.c"
-          TEST_ENDIANESS_FILE_CONTENT)
+     file(READ ${_test_file} TEST_ENDIANESS_FILE_CONTENT)
 
      try_compile(HAVE_${VARIABLE}
       "${CMAKE_BINARY_DIR}"
-      "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/TestEndianess.c"
+      ${_test_file}
       OUTPUT_VARIABLE OUTPUT
       COPY_FILE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/TestEndianess.bin" )
 

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

Summary of changes:
 Modules/TestBigEndian.cmake |   26 +++++++++++++++++++-------
 1 file changed, 19 insertions(+), 7 deletions(-)


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