* CMake: added tests for big endian, typecast to union and monotonic clock.
* CMake: added 'have function' tests for setrlimit, strnlen, getpid and gettid. * CMake: added option ENABLE_RDTSC. git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@14908 54d463be-8e91-2dee-dedb-b68131a5f0ec
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flaviojs
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145
CMakeLists.txt
145
CMakeLists.txt
@ -63,10 +63,22 @@ if( WIN32 )
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endif()
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if( MSVC )
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set_property( CACHE GLOBAL_LIBRARIES PROPERTY VALUE ${GLOBAL_LIBRARIES} "oldnames.lib" "ws2_32.lib" )
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set_property( CACHE GLOBAL_DEFINITIONS PROPERTY VALUE "${GLOBAL_DEFINITIONS} -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE -DDB_MANUAL_CAST_TO_UNION" )
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set_property( CACHE GLOBAL_DEFINITIONS PROPERTY VALUE "${GLOBAL_DEFINITIONS} -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE" )
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endif()
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#
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# 3rd party
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#
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add_subdirectory( 3rdparty )
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include( CheckCSourceCompiles )
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include( CheckCSourceRuns )
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include( CheckIncludeFile )
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include( CheckFunctionExists )
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include( FindFunctionLibrary )
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include( TestBigEndian )
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#
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# Find svnversion
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#
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@ -119,18 +131,10 @@ if( Subversion_FOUND AND SVNVERSION )
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endif()
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#
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# 3rdparty and library tests
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#
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add_subdirectory( 3rdparty )
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include( FindFunctionLibrary )
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include( CheckIncludeFile )
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#
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# math library (FreeBSD/Linux/Solaris)
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#
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message( STATUS "Detecting m library (math)" )
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message( STATUS "Detecting math library (m)" )
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CHECK_INCLUDE_FILE( math.h HAVE_MATH_H )
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if( NOT HAVE_MATH_H )
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message( FATAL_ERROR "math.h not found" )
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@ -139,44 +143,145 @@ set( CMAKE_REQUIRED_LIBRARIES ${GLOBAL_LIBRARIES} )
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find_function_library( floor FUNCTION_FLOOR_LIBRARIES m )
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if( FUNCTION_FLOOR_LIBRARIES )
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message( STATUS "Adding global library: ${FUNCTION_FLOOR_LIBRARIES}" )
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list( APPEND GLOBAL_LIBRARIES ${FUNCTION_FLOOR_LIBRARIES} )
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set_property( CACHE GLOBAL_LIBRARIES PROPERTY VALUE ${GLOBAL_LIBRARIES} ${FUNCTION_FLOOR_LIBRARIES} )
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endif()
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message( STATUS "Detecting m library (math) - done" )
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message( STATUS "Detecting math library (m) - done" )
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#
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# dynamic loading library (Linux)
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#
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if( NOT WIN32 )
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message( STATUS "Detecting dl library (dynamic loading)" )
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message( STATUS "Detecting dynamic loading library (dl)" )
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set( CMAKE_REQUIRED_LIBRARIES ${GLOBAL_LIBRARIES} )
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find_function_library( dlopen FUNCTION_DLOPEN_LIBRARIES dl )
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if( FUNCTION_DLOPEN_LIBRARIES )
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message( STATUS "Adding global library: ${FUNCTION_DLOPEN_LIBRARIES}" )
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list( APPEND GLOBAL_LIBRARIES ${FUNCTION_DLOPEN_LIBRARIES} )
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set_property( CACHE GLOBAL_LIBRARIES PROPERTY VALUE ${GLOBAL_LIBRARIES} ${FUNCTION_DLOPEN_LIBRARIES} )
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endif()
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message( STATUS "Detecting dl library (dynamic loading) - done" )
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message( STATUS "Detecting dynamic loading library (dl) - done" )
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endif()
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#
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# socket/nsl/ws2_32 library (Solaris/MinGW)
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# networking library (Solaris/MinGW)
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#
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if( NOT MSVC )
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message( STATUS "Detecting socket/nsl/ws2_32 library (networking)" )
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message( STATUS "Detecting networking library (socket/nsl/ws2_32)" )
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set( CMAKE_REQUIRED_LIBRARIES ${GLOBAL_LIBRARIES} )
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find_function_library( bind FUNCTION_BIND_LIBRARIES socket ws2_32 )
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if( FUNCTION_BIND_LIBRARIES )
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message( STATUS "Adding global library: ${FUNCTION_BIND_LIBRARIES}" )
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list( APPEND GLOBAL_LIBRARIES ${FUNCTION_BIND_LIBRARIES} )
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set_property( CACHE GLOBAL_LIBRARIES PROPERTY VALUE ${GLOBAL_LIBRARIES} ${FUNCTION_BIND_LIBRARIES} )
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endif()
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set( CMAKE_REQUIRED_LIBRARIES ${GLOBAL_LIBRARIES} )
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find_function_library( gethostbyname FUNCTION_GETHOSTBYNAME_LIBRARIES nsl )
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if( FUNCTION_GETHOSTBYNAME_LIBRARIES )
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message( STATUS "Adding global library: ${FUNCTION_GETHOSTBYNAME_LIBRARIES}" )
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list( APPEND GLOBAL_LIBRARIES ${FUNCTION_GETHOSTBYNAME_LIBRARIES} )
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set_property( CACHE GLOBAL_LIBRARIES PROPERTY VALUE ${GLOBAL_LIBRARIES} ${FUNCTION_GETHOSTBYNAME_LIBRARIES} )
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endif()
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message( STATUS "Detecting socket/nsl/ws2_32 library (networking) - done" )
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message( STATUS "Detecting networking library (socket/nsl/ws2_32) - done" )
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endif()
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#
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# Test for big endian
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#
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TEST_BIG_ENDIAN( BIG_ENDIAN )
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if( NOT DEFINED BIG_ENDIAN )
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message( WARNING "unable to determine endianess, only LITTLE ENDIAN is supported" )
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elseif( BIG_ENDIAN )
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message( FATAL_ERROR "bigendian is not supported" )
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endif()
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#
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# Test typecast to union
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#
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message( STATUS "Check if we can typecast to union" )
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set( SOURCECODE
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"typedef union Foonion{\n"
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" int i;\n"
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" unsigned int ui;\n"
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" const char* s;\n"
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"} Foonion;\n"
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"int get_i(Foonion onion){ return onion.i; }\n"
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"int main(int argc, char** argv){\n"
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"int i = 0;\n"
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"return get_i(((Foonion)(int)i));\n"
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"}\n"
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)
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CHECK_C_SOURCE_COMPILES( "${SOURCECODE}" HAVE_TYPECAST_TO_UNION )
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if( HAVE_TYPECAST_TO_UNION )
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message( STATUS "Check typecast to union - yes" )
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else()
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message( STATUS "Check typecast to union - no" )
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set_property( CACHE GLOBAL_DEFINITIONS PROPERTY VALUE "${GLOBAL_DEFINITIONS} -DDB_MANUAL_CAST_TO_UNION" )
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endif()
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#
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# Test monotonic clock
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#
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# CLOCK_MONOTONIC clock for clock_gettime
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# Normally defines _POSIX_TIMERS > 0 and _POSIX_MONOTONIC_CLOCK (for posix
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# compliant systems) and __FreeBSD_cc_version >= 500005 (for FreeBSD
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# >= 5.1.0, which does not have the posix defines (ref. r11983)) would be
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# checked but some systems define them even when they do not support it
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# (ref. bugreport:1003).
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#
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message( STATUS "Check for monotonic clock" )
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set( SOURCECODE
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"#include <sys/time.h>\n"
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"#include <time.h>\n"
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"#include <unistd.h>\n"
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"int main(int argc, char** argv){\n"
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"struct timespec tval;\n"
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"return clock_gettime(CLOCK_MONOTONIC, &tval);\n"
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"}\n"
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)
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find_library( RT_LIBRARY rt )# (optional, rt on Debian)
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mark_as_advanced( RT_LIBRARY )
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set( CMAKE_REQUIRED_LIBRARIES ${GLOBAL_LIBRARIES} ${RT_LIBRARY} )
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CHECK_C_SOURCE_RUNS( "${SOURCECODE}" HAVE_MONOTONIC_CLOCK )
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if( HAVE_MONOTONIC_CLOCK )
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message( STATUS "Check for monotonic clock - yes" )
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set_property( CACHE GLOBAL_LIBRARIES PROPERTY VALUE ${GLOBAL_LIBRARIES} ${RT_LIBRARY} )
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set_property( CACHE GLOBAL_DEFINITIONS PROPERTY VALUE "${GLOBAL_DEFINITIONS} -DHAVE_MONOTONIC_CLOCK" )
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else()
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message( STATUS "Check for monotonic clock - no" )
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endif()
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#
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# Test if function exists:
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# setrlimit - used to set the socket limit
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# strnlen - string length with upper scan bound
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# getpid - process id
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# gettid - thread id
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#
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CHECK_FUNCTION_EXISTS( setrlimit HAVE_SETRLIMIT )
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CHECK_FUNCTION_EXISTS( strnlen HAVE_STRNLEN )
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CHECK_FUNCTION_EXISTS( getpid HAVE_GETPID )
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CHECK_FUNCTION_EXISTS( gettid HAVE_GETTID )
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foreach( define HAVE_SETRLIMIT HAVE_STRNLEN HAVE_GETPID HAVE_GETTID )
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if( ${define} )
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set_property( CACHE GLOBAL_DEFINITIONS PROPERTY VALUE "${GLOBAL_DEFINITIONS} -D${define}" )
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endif()
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endforeach()
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#
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# Use RDTSC instruction as a timing source (time stamp counter on x86 since Pentium)
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#
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# Enable it when you've timing issues. (ex: in conjunction with XEN or Other Virtualization mechanisms)
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# Please ensure that you've disabled dynamic CPU-Frequencys, such as power saving options.
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# (On the most modern Dedicated Servers cpufreq is preconfigured, see your distribution's manual how to disable it)
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#
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option( ENABLE_RDTSC "use RDTSC instruction as a timing source" OFF )
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if( ENABLE_RDTSC )
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message( STATUS "Enabled RDTSC" )
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set_property( CACHE GLOBAL_DEFINITIONS PROPERTY VALUE "${GLOBAL_DEFINITIONS} -DENABLE_RDTSC" )
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endif()
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@ -2,6 +2,9 @@ Date Added
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2011/07/15
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* Changed the warning message of when setrlimit fails to be more explicit. [FlavioJS]
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* CMake: added tests for big endian, typecast to union and monotonic clock.
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* CMake: added 'have function' tests for setrlimit, strnlen, getpid and gettid.
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* CMake: added option ENABLE_RDTSC.
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2011/07/12
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* CMake: set project language to C, added module FindFunctionLibrary, added search for dl library. (tested with debian-wheezy-i386) [FlavioJS]
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* CMake: added search for math.h, added search for socket/nsl library. (tested with Solaris-201011-x86)
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