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cmake: Fix build on OSX.
This commit is contained in:
Andreas Schneider
parent
ffd7d5b247
commit
d0888ffba8
6 changed files with 184 additions and 55 deletions
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@ -22,6 +22,7 @@ set(CMAKE_MODULE_PATH
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# add definitions
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include(DefineCMakeDefaults)
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include(DefinePlatformDefaults)
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include(DefineCompilerFlags)
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include(DefineInstallationPaths)
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include(DefineOptions.cmake)
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@ -15,18 +15,28 @@ set(SYSCONFDIR ${SYSCONF_INSTALL_DIR})
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set(BINARYDIR ${CMAKE_BINARY_DIR})
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set(SOURCEDIR ${CMAKE_SOURCE_DIR})
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# HEADER FILES
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check_include_file(argp.h HAVE_ARGP_H)
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# FUNCTIONS
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if (NOT LINUX)
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# librt
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check_library_exists(rt nanosleep "" HAVE_LIBRT)
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# argp
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find_package(Argp REQUIRED)
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set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${ARGP_LIBRARY})
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endif (NOT LINUX)
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check_library_exists(rt clock_gettime "" HAVE_CLOCK_GETTIME)
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if (HAVE_LIBRT OR HAVE_CLOCK_GETTIME)
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set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} rt)
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endif (HAVE_LIBRT OR HAVE_CLOCK_GETTIME)
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check_library_exists(dl dlopen "" HAVE_LIBDL)
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if (HAVE_LIBDL)
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find_library(DLFCN_LIBRARY dl)
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set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${DLFCN_LIBRARY})
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find_library(DLFCN_LIBRARY dl)
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set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${DLFCN_LIBRARY})
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endif (HAVE_LIBDL)
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check_library_exists(rt clock_gettime "" HAVE_LIBRT)
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if (HAVE_LIBRT)
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find_library(RT_LIBRARY rt)
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set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${RT_LIBRARY})
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endif (HAVE_LIBRT)
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set(CSYNC_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CACHE INTERNAL "csync required system libraries")
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@ -1,59 +1,63 @@
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# define system dependent compiler flags
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include(CheckCCompilerFlag)
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include(MacroCheckCCompilerFlagSSP)
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if (UNIX AND NOT WIN32)
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if (CMAKE_COMPILER_IS_GNUCC)
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# add -Wconversion ?
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 -pedantic -Wall -Wextra -Wshadow -Wmissing-prototypes -Wdeclaration-after-statement -Wunused -Wfloat-equal -Wpointer-arith -Wwrite-strings -Wformat-security -Wmissing-format-attribute")
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#
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# Define GNUCC compiler flags
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#
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if (${CMAKE_C_COMPILER_ID} MATCHES GNU)
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# add -Wconversion ?
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 -pedantic -pedantic-errors")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wshadow -Wmissing-prototypes -Wdeclaration-after-statement")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wunused -Wfloat-equal -Wpointer-arith -Wwrite-strings -Wformat-security")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wmissing-format-attribute")
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# with -fPIC
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check_c_compiler_flag("-fPIC" WITH_FPIC)
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if (WITH_FPIC)
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add_definitions(-fPIC)
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endif (WITH_FPIC)
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# with -fPIC
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check_c_compiler_flag("-fPIC" WITH_FPIC)
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if (WITH_FPIC)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
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endif (WITH_FPIC)
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check_c_compiler_flag_ssp("-fstack-protector" WITH_STACK_PROTECTOR)
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if (WITH_STACK_PROTECTOR)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstack-protector")
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endif (WITH_STACK_PROTECTOR)
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check_c_compiler_flag("-D_FORTIFY_SOURCE=2" WITH_FORTIFY_SOURCE)
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if (WITH_FORTIFY_SOURCE)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_FORTIFY_SOURCE=2")
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endif (WITH_FORTIFY_SOURCE)
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endif (${CMAKE_C_COMPILER_ID} MATCHES GNU)
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#
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# Check for large filesystem support
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#
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if (CMAKE_SIZEOF_VOID_P MATCHES "8")
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# with large file support
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execute_process(
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COMMAND
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getconf LFS64_CFLAGS
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OUTPUT_VARIABLE
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_lfs_CFLAGS
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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# with large file support
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execute_process(
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COMMAND
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getconf LFS64_CFLAGS
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OUTPUT_VARIABLE
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_lfs_CFLAGS
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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else (CMAKE_SIZEOF_VOID_P MATCHES "8")
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# with large file support
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execute_process(
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COMMAND
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getconf LFS_CFLAGS
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OUTPUT_VARIABLE
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_lfs_CFLAGS
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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string(REGEX REPLACE "[\r\n]" " " "${_lfs_CFLAGS}" "${${_lfs_CFLAGS}}")
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add_definitions(${_lfs_CFLAGS})
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# with large file support
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execute_process(
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COMMAND
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getconf LFS_CFLAGS
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OUTPUT_VARIABLE
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_lfs_CFLAGS
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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endif (CMAKE_SIZEOF_VOID_P MATCHES "8")
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if (_lfs_CFLAGS)
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string(REGEX REPLACE "[\r\n]" " " "${_lfs_CFLAGS}" "${${_lfs_CFLAGS}}")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_lfs_CFLAGS}")
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endif (_lfs_CFLAGS)
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check_c_compiler_flag("-fstack-protector" WITH_STACK_PROTECTOR)
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if (WITH_STACK_PROTECTOR)
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add_definitions(-fstack-protector)
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endif (WITH_STACK_PROTECTOR)
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check_c_compiler_flag("-D_FORTIFY_SOURCE=2" WITH_FORTIFY_SOURCE)
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if (WITH_FORTIFY_SOURCE)
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add_definitions(-D_FORTIFY_SOURCE=2)
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endif (WITH_FORTIFY_SOURCE)
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# Set linker flags
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set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--as-needed")
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endif (CMAKE_COMPILER_IS_GNUCC)
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endif (UNIX AND NOT WIN32)
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# suppress warning about "deprecated" functions
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if (MSVC)
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add_definitions(-D_CRT_SECURE_NO_WARNINGS)
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endif (MSVC)
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28
cmake/Modules/DefinePlatformDefaults.cmake
Normal file
28
cmake/Modules/DefinePlatformDefaults.cmake
Normal file
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@ -0,0 +1,28 @@
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# Set system vars
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if (CMAKE_SYSTEM_NAME MATCHES "Linux")
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set(LINUX TRUE)
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endif(CMAKE_SYSTEM_NAME MATCHES "Linux")
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if (CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
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set(FREEBSD TRUE)
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set(BSD TRUE)
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endif (CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
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if (CMAKE_SYSTEM_NAME MATCHES "OpenBSD")
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set(OPENBSD TRUE)
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set(BSD TRUE)
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endif (CMAKE_SYSTEM_NAME MATCHES "OpenBSD")
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if (CMAKE_SYSTEM_NAME MATCHES "NetBSD")
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set(NETBSD TRUE)
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set(BSD TRUE)
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endif (CMAKE_SYSTEM_NAME MATCHES "NetBSD")
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if (CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
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set(SOLARIS TRUE)
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endif (CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
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if (CMAKE_SYSTEM_NAME MATCHES "OS2")
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set(OS2 TRUE)
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endif (CMAKE_SYSTEM_NAME MATCHES "OS2")
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60
cmake/Modules/FindArgp.cmake
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60
cmake/Modules/FindArgp.cmake
Normal file
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@ -0,0 +1,60 @@
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# - Try to find Argp
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# Once done this will define
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#
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# ARGP_FOUND - system has Argp
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# ARGP_INCLUDE_DIRS - the Argp include directory
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# ARGP_LIBRARIES - Link these to use Argp
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# ARGP_DEFINITIONS - Compiler switches required for using Argp
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#
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# Copyright (c) 2010 Andreas Schneider <asn@cynapses.org>
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#
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# Redistribution and use is allowed according to the terms of the New
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# BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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#
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if (ARGP_LIBRARIES AND ARGP_INCLUDE_DIRS)
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# in cache already
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set(ARGP_FOUND TRUE)
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else (ARGP_LIBRARIES AND ARGP_INCLUDE_DIRS)
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find_path(ARGP_INCLUDE_DIR
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NAMES
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argp.h
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PATHS
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/usr/include
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/usr/local/include
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/opt/local/include
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/sw/include
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)
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find_library(ARGP_LIBRARY
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NAMES
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argp
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PATHS
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/usr/lib
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/usr/local/lib
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/opt/local/lib
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/sw/lib
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)
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set(ARGP_INCLUDE_DIRS
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${ARGP_INCLUDE_DIR}
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)
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if (ARGP_LIBRARY)
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set(ARGP_LIBRARIES
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${ARGP_LIBRARIES}
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${ARGP_LIBRARY}
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)
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endif (ARGP_LIBRARY)
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(Argp DEFAULT_MSG ARGP_LIBRARIES ARGP_INCLUDE_DIRS)
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# show the ARGP_INCLUDE_DIRS and ARGP_LIBRARIES variables only in the advanced view
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mark_as_advanced(ARGP_INCLUDE_DIRS ARGP_LIBRARIES)
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endif (ARGP_LIBRARIES AND ARGP_INCLUDE_DIRS)
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26
cmake/Modules/MacroCheckCCompilerFlagSSP.cmake
Normal file
26
cmake/Modules/MacroCheckCCompilerFlagSSP.cmake
Normal file
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@ -0,0 +1,26 @@
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# - Check whether the C compiler supports a given flag in the
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# context of a stack checking compiler option.
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# CHECK_C_COMPILER_FLAG_SSP(FLAG VARIABLE)
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#
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# FLAG - the compiler flag
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# VARIABLE - variable to store the result
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#
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# This actually calls the check_c_source_compiles macro.
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# See help for CheckCSourceCompiles for a listing of variables
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# that can modify the build.
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# Copyright (c) 2006, Alexander Neundorf, <neundorf@kde.org>
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#
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# Redistribution and use is allowed according to the terms of the BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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INCLUDE(CheckCSourceCompiles)
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MACRO (CHECK_C_COMPILER_FLAG_SSP _FLAG _RESULT)
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SET(SAFE_CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}")
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SET(CMAKE_REQUIRED_DEFINITIONS "${_FLAG}")
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CHECK_C_SOURCE_COMPILES("int main(int argc, char **argv) { char buffer[256]; return buffer[argc]=0;}" ${_RESULT})
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SET (CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}")
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ENDMACRO (CHECK_C_COMPILER_FLAG_SSP)
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