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libarchive: Backport to CMake 2.8.2

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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.
This commit is contained in:
Brad King 2013-07-26 16:59:48 -04:00
parent b81a4e1568
commit 26fe7e3adf
3 changed files with 12 additions and 223 deletions
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27
Utilities/cmlibarchive/CMakeLists.txt
View File

@ -1,6 +1,3 @@
#
CMAKE_MINIMUM_REQUIRED(VERSION 2.8.6 FATAL_ERROR)
#
PROJECT(libarchive C) PROJECT(libarchive C)
# #
SET(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/build/cmake") SET(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/build/cmake")
@ -48,7 +45,7 @@ SET(SOVERSION "${INTERFACE_VERSION}")
# Enalbe CMAKE_PUSH_CHECK_STATE() and CMAKE_POP_CHECK_STATE() macros # Enalbe CMAKE_PUSH_CHECK_STATE() and CMAKE_POP_CHECK_STATE() macros
# saving and restoring the state of the variables. # saving and restoring the state of the variables.
INCLUDE(CMakePushCheckState) INCLUDE(${CMake_SOURCE_DIR}/Modules/CMakePushCheckState.cmake)
# Initialize the state of the variables. This initialization is not # Initialize the state of the variables. This initialization is not
# necessary but this shows you what value the variables initially have. # necessary but this shows you what value the variables initially have.
@ -90,8 +87,8 @@ IF("${CMAKE_C_PLATFORM_ID}" MATCHES "^(HP-UX)$")
ENDIF() ENDIF()
# #
INCLUDE(LibarchiveCheckCSourceCompiles) INCLUDE(CheckCSourceCompiles)
INCLUDE(LibarchiveCheckCSourceRuns) INCLUDE(CheckCSourceRuns)
INCLUDE(CheckFileOffsetBits) INCLUDE(CheckFileOffsetBits)
INCLUDE(CheckFuncs) INCLUDE(CheckFuncs)
INCLUDE(CheckHeaderDirent) INCLUDE(CheckHeaderDirent)
@ -155,9 +152,9 @@ MACRO (TRY_MACRO_FOR_LIBRARY INCLUDES LIBRARIES
ENDIF(NOT "${PREV_VAR_WITH_LIB}" STREQUAL "${LIBRARIES}") ENDIF(NOT "${PREV_VAR_WITH_LIB}" STREQUAL "${LIBRARIES}")
# Check if the library can be used with the macro. # Check if the library can be used with the macro.
IF("${TRY_TYPE}" MATCHES "COMPILES") IF("${TRY_TYPE}" MATCHES "COMPILES")
LIBARCHIVE_CHECK_C_SOURCE_COMPILES("${SAMPLE_SOURCE}" ${VAR}) CHECK_C_SOURCE_COMPILES("${SAMPLE_SOURCE}" ${VAR})
ELSEIF("${TRY_TYPE}" MATCHES "RUNS") ELSEIF("${TRY_TYPE}" MATCHES "RUNS")
LIBARCHIVE_CHECK_C_SOURCE_RUNS("${SAMPLE_SOURCE}" ${VAR}) CHECK_C_SOURCE_RUNS("${SAMPLE_SOURCE}" ${VAR})
ELSE("${TRY_TYPE}" MATCHES "COMPILES") ELSE("${TRY_TYPE}" MATCHES "COMPILES")
MESSAGE(FATAL_ERROR "UNKNOWN KEYWORD \"${TRY_TYPE}\" FOR TRY_TYPE") MESSAGE(FATAL_ERROR "UNKNOWN KEYWORD \"${TRY_TYPE}\" FOR TRY_TYPE")
ENDIF("${TRY_TYPE}" MATCHES "COMPILES") ENDIF("${TRY_TYPE}" MATCHES "COMPILES")
@ -338,7 +335,7 @@ LA_CHECK_INCLUDE_FILE("dlfcn.h" HAVE_DLFCN_H)
LA_CHECK_INCLUDE_FILE("errno.h" HAVE_ERRNO_H) LA_CHECK_INCLUDE_FILE("errno.h" HAVE_ERRNO_H)
LA_CHECK_INCLUDE_FILE("ext2fs/ext2_fs.h" HAVE_EXT2FS_EXT2_FS_H) LA_CHECK_INCLUDE_FILE("ext2fs/ext2_fs.h" HAVE_EXT2FS_EXT2_FS_H)
LIBARCHIVE_CHECK_C_SOURCE_COMPILES("#include <sys/ioctl.h> CHECK_C_SOURCE_COMPILES("#include <sys/ioctl.h>
#include <ext2fs/ext2_fs.h> #include <ext2fs/ext2_fs.h>
int main(void) { return EXT2_IOC_GETFLAGS; }" HAVE_WORKING_EXT2_IOC_GETFLAGS) int main(void) { return EXT2_IOC_GETFLAGS; }" HAVE_WORKING_EXT2_IOC_GETFLAGS)
@ -401,7 +398,7 @@ FOREACH (it ${_HEADER})
SET(_INCLUDE_FILES "${_INCLUDE_FILES}#include <${it}>\n") SET(_INCLUDE_FILES "${_INCLUDE_FILES}#include <${it}>\n")
ENDFOREACH (it) ENDFOREACH (it)
LIBARCHIVE_CHECK_C_SOURCE_COMPILES( CHECK_C_SOURCE_COMPILES(
"#define __EXTENSIONS__ 1 "#define __EXTENSIONS__ 1
${_INCLUDE_FILES} ${_INCLUDE_FILES}
int main() { return 0;}" int main() { return 0;}"
@ -662,7 +659,7 @@ MACRO(CHECK_ICONV LIB TRY_ICONV_CONST)
SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} /WX") SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} /WX")
ENDIF (MSVC) ENDIF (MSVC)
# #
LIBARCHIVE_CHECK_C_SOURCE_COMPILES( CHECK_C_SOURCE_COMPILES(
"#include <stdlib.h> "#include <stdlib.h>
#include <iconv.h> #include <iconv.h>
int main() { int main() {
@ -922,14 +919,14 @@ CMAKE_POP_CHECK_STATE() # Restore the state of the variables
# Make sure we have the POSIX version of readdir_r, not the # Make sure we have the POSIX version of readdir_r, not the
# older 2-argument version. # older 2-argument version.
LIBARCHIVE_CHECK_C_SOURCE_COMPILES( CHECK_C_SOURCE_COMPILES(
"#include <dirent.h>\nint main() {DIR *d = opendir(\".\"); struct dirent e,*r; return readdir_r(d,&e,&r);}" "#include <dirent.h>\nint main() {DIR *d = opendir(\".\"); struct dirent e,*r; return readdir_r(d,&e,&r);}"
HAVE_READDIR_R) HAVE_READDIR_R)
# Only detect readlinkat() if we also have AT_FDCWD in unistd.h. # Only detect readlinkat() if we also have AT_FDCWD in unistd.h.
# NOTE: linux requires fcntl.h for AT_FDCWD. # NOTE: linux requires fcntl.h for AT_FDCWD.
LIBARCHIVE_CHECK_C_SOURCE_COMPILES( CHECK_C_SOURCE_COMPILES(
"#include <fcntl.h>\n#include <unistd.h>\nint main() {char buf[10]; return readlinkat(AT_FDCWD, \"\", buf, 0);}" "#include <fcntl.h>\n#include <unistd.h>\nint main() {char buf[10]; return readlinkat(AT_FDCWD, \"\", buf, 0);}"
HAVE_READLINKAT) HAVE_READLINKAT)
@ -938,10 +935,10 @@ LIBARCHIVE_CHECK_C_SOURCE_COMPILES(
# of interest and verify that the result can be linked. # of interest and verify that the result can be linked.
# CHECK_FUNCTION_EXISTS doesn't accept a header argument, # CHECK_FUNCTION_EXISTS doesn't accept a header argument,
# CHECK_SYMBOL_EXISTS doesn't test linkage. # CHECK_SYMBOL_EXISTS doesn't test linkage.
LIBARCHIVE_CHECK_C_SOURCE_COMPILES( CHECK_C_SOURCE_COMPILES(
"#include <sys/mkdev.h>\nint main() { return major(256); }" "#include <sys/mkdev.h>\nint main() { return major(256); }"
MAJOR_IN_MKDEV) MAJOR_IN_MKDEV)
LIBARCHIVE_CHECK_C_SOURCE_COMPILES( CHECK_C_SOURCE_COMPILES(
"#include <sys/sysmacros.h>\nint main() { return major(256); }" "#include <sys/sysmacros.h>\nint main() { return major(256); }"
MAJOR_IN_SYSMACROS) MAJOR_IN_SYSMACROS)

106
Utilities/cmlibarchive/build/cmake/LibarchiveCheckCSourceCompiles.cmake
View File

@ -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()

102
Utilities/cmlibarchive/build/cmake/LibarchiveCheckCSourceRuns.cmake
View File

@ -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()