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authorBrad King <brad.king@kitware.com>2012-08-24 14:03:44 (GMT)
committerBrad King <brad.king@kitware.com>2012-08-30 13:45:17 (GMT)
commit32b7c72623a52331e2a965c3b1569143606afffc (patch)
tree967bd17be99751412f2a38d00dc707ced3f9025a /Modules/CMakeTestCCompiler.cmake
parentf3ddfef137f56c9660a7ad65807387987bcb2996 (diff)
parent3df81b49126cf6dc3e4e9a8fa8c368f33886db54 (diff)
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Merge branch 'cmake-platform-info-version' into msvc-compiler-info
Conflicts: Modules/CMakeTestCCompiler.cmake Modules/CMakeTestCXXCompiler.cmake Modules/Platform/Windows-cl.cmake
Diffstat (limited to 'Modules/CMakeTestCCompiler.cmake')
-rw-r--r--Modules/CMakeTestCCompiler.cmake43
1 files changed, 27 insertions, 16 deletions
diff --git a/Modules/CMakeTestCCompiler.cmake b/Modules/CMakeTestCCompiler.cmake
index c8f4d49..2c75147 100644
--- a/Modules/CMakeTestCCompiler.cmake
+++ b/Modules/CMakeTestCCompiler.cmake
@@ -1,6 +1,6 @@
#=============================================================================
-# Copyright 2003-2009 Kitware, Inc.
+# Copyright 2003-2012 Kitware, Inc.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
@@ -12,8 +12,19 @@
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
+if(CMAKE_C_COMPILER_FORCED)
+ # The compiler configuration was forced by the user.
+ # Assume the user has configured all compiler information.
+ set(CMAKE_C_COMPILER_WORKS TRUE)
+ return()
+endif()
+
include(CMakeTestCompilerCommon)
+# Remove any cached result from an older CMake version.
+# We now store this in CMakeCCompiler.cmake.
+unset(CMAKE_C_COMPILER_WORKS CACHE)
+
# This file is used by EnableLanguage in cmGlobalGenerator to
# determine that that selected C compiler can actually compile
# and link the most basic of programs. If not, a fatal error
@@ -36,6 +47,9 @@ if(NOT CMAKE_C_COMPILER_WORKS)
try_compile(CMAKE_C_COMPILER_WORKS ${CMAKE_BINARY_DIR}
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testCCompiler.c
OUTPUT_VARIABLE __CMAKE_C_COMPILER_OUTPUT)
+ # Move result from cache to normal variable.
+ set(CMAKE_C_COMPILER_WORKS ${CMAKE_C_COMPILER_WORKS})
+ unset(CMAKE_C_COMPILER_WORKS CACHE)
set(C_TEST_WAS_RUN 1)
endif()
@@ -55,22 +69,19 @@ else()
"Determining if the C compiler works passed with "
"the following output:\n${__CMAKE_C_COMPILER_OUTPUT}\n\n")
endif()
- set(CMAKE_C_COMPILER_WORKS 1 CACHE INTERNAL "")
- if(CMAKE_C_COMPILER_FORCED)
- # The compiler configuration was forced by the user.
- # Assume the user has configured all compiler information.
- else()
- # Try to identify the ABI and configure it into CMakeCCompiler.cmake
- include(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerABI.cmake)
- CMAKE_DETERMINE_COMPILER_ABI(C ${CMAKE_ROOT}/Modules/CMakeCCompilerABI.c)
- configure_file(
- ${CMAKE_ROOT}/Modules/CMakeCCompiler.cmake.in
- ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeCCompiler.cmake
- @ONLY IMMEDIATE # IMMEDIATE must be here for compatibility mode <= 2.0
- )
- include(${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeCCompiler.cmake)
- endif()
+ # Try to identify the ABI and configure it into CMakeCCompiler.cmake
+ include(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerABI.cmake)
+ CMAKE_DETERMINE_COMPILER_ABI(C ${CMAKE_ROOT}/Modules/CMakeCCompilerABI.c)
+
+ # Re-configure to save learned information.
+ configure_file(
+ ${CMAKE_ROOT}/Modules/CMakeCCompiler.cmake.in
+ ${CMAKE_PLATFORM_INFO_DIR}/CMakeCCompiler.cmake
+ @ONLY IMMEDIATE # IMMEDIATE must be here for compatibility mode <= 2.0
+ )
+ include(${CMAKE_PLATFORM_INFO_DIR}/CMakeCCompiler.cmake)
+
if(CMAKE_C_SIZEOF_DATA_PTR)
foreach(f ${CMAKE_C_ABI_FILES})
include(${f})