libarchive: Backport to CMake 2.8.2

Avoid requiring CMake 2.8.6 for CMakePushCheckState or CMake 2.8.8 for
CMakeExpandImportedTargets.  Drop the custom versions of CMake modules
CheckCSource(Compiles|Runs) because we do not use the SAFESEH option
anyway.

2 files changed, 0 insertions, 208 deletions

diff --git a/Utilities/cmlibarchive/build/cmake/LibarchiveCheckCSourceCompiles.cmake b/Utilities/cmlibarchive/build/cmake/LibarchiveCheckCSourceCompiles.cmake
deleted file mode 100644
index 6b6f593..0000000
--- a/Utilities/cmlibarchive/build/cmake/LibarchiveCheckCSourceCompiles.cmake
+++ /dev/null
@@ -1,106 +0,0 @@
-# - Check if given C source compiles and links into an executable
-# CHECK_C_SOURCE_COMPILES(<code> <var> [FAIL_REGEX <fail-regex>])
-#  <code>       - source code to try to compile, must define 'main'
-#  <var>        - variable to store whether the source code compiled
-#  <fail-regex> - fail if test output matches this regex
-# The following variables may be set before calling this macro to
-# modify the way the check is run:
-#
-#  CMAKE_REQUIRED_FLAGS = string of compile command line flags
-#  CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
-#  CMAKE_REQUIRED_INCLUDES = list of include directories
-#  CMAKE_REQUIRED_LIBRARIES = list of libraries to link
-
-#=============================================================================
-# Copyright 2005-2009 Kitware, Inc.
-#
-# Distributed under the OSI-approved BSD License (the "License");
-# see accompanying file Copyright.txt for details.
-#
-# This software is distributed WITHOUT ANY WARRANTY; without even the
-# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the License for more information.
-#=============================================================================
-# (To distribute this file outside of CMake, substitute the full
-#  License text for the above reference.)
-
-#
-# Extra arguments added by libarchive
-# CMAKE_REQUIRED_LINKER_FLAGS = string of linker command line flags
-#
-
-include(CMakeExpandImportedTargets)
-
-
-macro(LIBARCHIVE_CHECK_C_SOURCE_COMPILES SOURCE VAR)
-  if("${VAR}" MATCHES "^${VAR}$")
-    set(_FAIL_REGEX)
-    set(_key)
-    foreach(arg ${ARGN})
-      if("${arg}" MATCHES "^(FAIL_REGEX)$")
-        set(_key "${arg}")
-      elseif(_key)
-        list(APPEND _${_key} "${arg}")
-      else()
-        message(FATAL_ERROR "Unknown argument:\n  ${arg}\n")
-      endif()
-    endforeach()
-    set(MACRO_CHECK_FUNCTION_DEFINITIONS
-      "-D${VAR} ${CMAKE_REQUIRED_FLAGS}")
-    if(CMAKE_REQUIRED_LIBRARIES)
-      # this one translates potentially used imported library targets to their files on disk
-      CMAKE_EXPAND_IMPORTED_TARGETS(_ADJUSTED_CMAKE_REQUIRED_LIBRARIES  LIBRARIES  ${CMAKE_REQUIRED_LIBRARIES} CONFIGURATION "${CMAKE_TRY_COMPILE_CONFIGURATION}")
-      set(CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES
-        "-DLINK_LIBRARIES:STRING=${_ADJUSTED_CMAKE_REQUIRED_LIBRARIES}")
-    else()
-      set(CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES)
-    endif()
-    if(CMAKE_REQUIRED_INCLUDES)
-      set(CHECK_C_SOURCE_COMPILES_ADD_INCLUDES
-        "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}")
-    else()
-      set(CHECK_C_SOURCE_COMPILES_ADD_INCLUDES)
-    endif()
-	if(CMAKE_REQUIRED_LINKER_FLAGS)
-	  set(CHECK_C_SOURCE_COMPILES_ADD_LINKER_FLAGS
-	    "-DCMAKE_EXE_LINKER_FLAGS:STRING=${CMAKE_REQUIRED_LINKER_FLAGS} -DCMAKE_SHARED_LINKER_FLAGS:STRING=${CMAKE_REQUIRED_LINKER_FLAGS} -DCMAKE_MODULE_LINKER_FLAGS:STRING=${CMAKE_REQUIRED_LINKER_FLAGS}")
-	else()
-	  set(CHECK_C_SOURCE_COMPILES_ADD_LINKER_FLAGS)
-	endif()
-    file(WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c"
-      "${SOURCE}\n")
-
-    message(STATUS "Performing Test ${VAR}")
-    try_compile(${VAR}
-      ${CMAKE_BINARY_DIR}
-      ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c
-      COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
-      CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS} ${CHECK_C_SOURCE_COMPILES_ADD_LINKER_FLAGS}
-      "${CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES}"
-      "${CHECK_C_SOURCE_COMPILES_ADD_INCLUDES}"
-      OUTPUT_VARIABLE OUTPUT)
-
-    foreach(_regex ${_FAIL_REGEX})
-      if("${OUTPUT}" MATCHES "${_regex}")
-        set(${VAR} 0)
-      endif()
-    endforeach()
-
-    if(${VAR})
-      set(${VAR} 1 CACHE INTERNAL "Test ${VAR}")
-      message(STATUS "Performing Test ${VAR} - Success")
-      file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
-        "Performing C SOURCE FILE Test ${VAR} succeded with the following output:\n"
-        "${OUTPUT}\n"
-        "Source file was:\n${SOURCE}\n")
-    else()
-      message(STATUS "Performing Test ${VAR} - Failed")
-      set(${VAR} "" CACHE INTERNAL "Test ${VAR}")
-      file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
-        "Performing C SOURCE FILE Test ${VAR} failed with the following output:\n"
-        "${OUTPUT}\n"
-        "Source file was:\n${SOURCE}\n")
-    endif()
-  endif()
-endmacro()
-
diff --git a/Utilities/cmlibarchive/build/cmake/LibarchiveCheckCSourceRuns.cmake b/Utilities/cmlibarchive/build/cmake/LibarchiveCheckCSourceRuns.cmake
deleted file mode 100644
index 498f522..0000000
--- a/Utilities/cmlibarchive/build/cmake/LibarchiveCheckCSourceRuns.cmake
+++ /dev/null
@@ -1,102 +0,0 @@
-# - Check if the given C source code compiles and runs.
-# CHECK_C_SOURCE_RUNS(<code> <var>)
-#  <code>   - source code to try to compile
-#  <var>    - variable to store the result
-#             (1 for success, empty for failure)
-# The following variables may be set before calling this macro to
-# modify the way the check is run:
-#
-#  CMAKE_REQUIRED_FLAGS = string of compile command line flags
-#  CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
-#  CMAKE_REQUIRED_INCLUDES = list of include directories
-#  CMAKE_REQUIRED_LIBRARIES = list of libraries to link
-
-#=============================================================================
-# Copyright 2006-2009 Kitware, Inc.
-#
-# Distributed under the OSI-approved BSD License (the "License");
-# see accompanying file Copyright.txt for details.
-#
-# This software is distributed WITHOUT ANY WARRANTY; without even the
-# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the License for more information.
-#=============================================================================
-# (To distribute this file outside of CMake, substitute the full
-#  License text for the above reference.)
-
-#
-# Extra arguments added by libarchive
-# CMAKE_REQUIRED_LINKER_FLAGS = string of linker command line flags
-#
-
-include(CMakeExpandImportedTargets)
-
-
-macro(LIBARCHIVE_CHECK_C_SOURCE_RUNS SOURCE VAR)
-  if("${VAR}" MATCHES "^${VAR}$")
-    set(MACRO_CHECK_FUNCTION_DEFINITIONS
-      "-D${VAR} ${CMAKE_REQUIRED_FLAGS}")
-    if(CMAKE_REQUIRED_LIBRARIES)
-      # this one translates potentially used imported library targets to their files on disk
-      CMAKE_EXPAND_IMPORTED_TARGETS(_ADJUSTED_CMAKE_REQUIRED_LIBRARIES  LIBRARIES  ${CMAKE_REQUIRED_LIBRARIES} CONFIGURATION "${CMAKE_TRY_COMPILE_CONFIGURATION}")
-      set(CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES
-        "-DLINK_LIBRARIES:STRING=${_ADJUSTED_CMAKE_REQUIRED_LIBRARIES}")
-    else()
-      set(CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES)
-    endif()
-    if(CMAKE_REQUIRED_INCLUDES)
-      set(CHECK_C_SOURCE_COMPILES_ADD_INCLUDES
-        "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}")
-    else()
-      set(CHECK_C_SOURCE_COMPILES_ADD_INCLUDES)
-    endif()
-	if(CMAKE_REQUIRED_LINKER_FLAGS)
-	  set(CHECK_C_SOURCE_COMPILES_ADD_LINKER_FLAGS
-	    "-DCMAKE_EXE_LINKER_FLAGS:STRING=${CMAKE_REQUIRED_LINKER_FLAGS} -DCMAKE_SHARED_LINKER_FLAGS:STRING=${CMAKE_REQUIRED_LINKER_FLAGS} -DCMAKE_MODULE_LINKER_FLAGS:STRING=${CMAKE_REQUIRED_LINKER_FLAGS}")
-	else()
-	  set(CHECK_C_SOURCE_COMPILES_ADD_LINKER_FLAGS)
-	endif()
-    file(WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c"
-      "${SOURCE}\n")
-
-    message(STATUS "Performing Test ${VAR}")
-    try_run(${VAR}_EXITCODE ${VAR}_COMPILED
-      ${CMAKE_BINARY_DIR}
-      ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c
-      COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
-      CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS} ${CHECK_C_SOURCE_COMPILES_ADD_LINKER_FLAGS}
-      -DCMAKE_SKIP_RPATH:BOOL=${CMAKE_SKIP_RPATH}
-      "${CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES}"
-      "${CHECK_C_SOURCE_COMPILES_ADD_INCLUDES}"
-      COMPILE_OUTPUT_VARIABLE OUTPUT)
-    # if it did not compile make the return value fail code of 1
-    if(NOT ${VAR}_COMPILED)
-      set(${VAR}_EXITCODE 1)
-    endif()
-    # if the return value was 0 then it worked
-    if("${${VAR}_EXITCODE}" EQUAL 0)
-      set(${VAR} 1 CACHE INTERNAL "Test ${VAR}")
-      message(STATUS "Performing Test ${VAR} - Success")
-      file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
-        "Performing C SOURCE FILE Test ${VAR} succeded with the following output:\n"
-        "${OUTPUT}\n"
-        "Return value: ${${VAR}}\n"
-        "Source file was:\n${SOURCE}\n")
-    else()
-      if(CMAKE_CROSSCOMPILING AND "${${VAR}_EXITCODE}" MATCHES  "FAILED_TO_RUN")
-        set(${VAR} "${${VAR}_EXITCODE}")
-      else()
-        set(${VAR} "" CACHE INTERNAL "Test ${VAR}")
-      endif()
-
-      message(STATUS "Performing Test ${VAR} - Failed")
-      file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
-        "Performing C SOURCE FILE Test ${VAR} failed with the following output:\n"
-        "${OUTPUT}\n"
-        "Return value: ${${VAR}_EXITCODE}\n"
-        "Source file was:\n${SOURCE}\n")
-
-    endif()
-  endif()
-endmacro()
-