diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 145 |
1 files changed, 125 insertions, 20 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 2960b822d..0f0f547fb 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -63,11 +63,23 @@ if( WIN32 ) endif() if( MSVC ) set_property( CACHE GLOBAL_LIBRARIES PROPERTY VALUE ${GLOBAL_LIBRARIES} "oldnames.lib" "ws2_32.lib" ) - set_property( CACHE GLOBAL_DEFINITIONS PROPERTY VALUE "${GLOBAL_DEFINITIONS} -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE -DDB_MANUAL_CAST_TO_UNION" ) + set_property( CACHE GLOBAL_DEFINITIONS PROPERTY VALUE "${GLOBAL_DEFINITIONS} -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE" ) endif() # +# 3rd party +# +add_subdirectory( 3rdparty ) +include( CheckCSourceCompiles ) +include( CheckCSourceRuns ) +include( CheckIncludeFile ) +include( CheckFunctionExists ) +include( FindFunctionLibrary ) +include( TestBigEndian ) + + +# # Find svnversion # message( STATUS "Detecting svnversion" ) @@ -120,17 +132,9 @@ endif() # -# 3rdparty and library tests -# -add_subdirectory( 3rdparty ) -include( FindFunctionLibrary ) -include( CheckIncludeFile ) - - -# # math library (FreeBSD/Linux/Solaris) # -message( STATUS "Detecting m library (math)" ) +message( STATUS "Detecting math library (m)" ) CHECK_INCLUDE_FILE( math.h HAVE_MATH_H ) if( NOT HAVE_MATH_H ) message( FATAL_ERROR "math.h not found" ) @@ -139,44 +143,145 @@ set( CMAKE_REQUIRED_LIBRARIES ${GLOBAL_LIBRARIES} ) find_function_library( floor FUNCTION_FLOOR_LIBRARIES m ) if( FUNCTION_FLOOR_LIBRARIES ) message( STATUS "Adding global library: ${FUNCTION_FLOOR_LIBRARIES}" ) - list( APPEND GLOBAL_LIBRARIES ${FUNCTION_FLOOR_LIBRARIES} ) + set_property( CACHE GLOBAL_LIBRARIES PROPERTY VALUE ${GLOBAL_LIBRARIES} ${FUNCTION_FLOOR_LIBRARIES} ) endif() -message( STATUS "Detecting m library (math) - done" ) +message( STATUS "Detecting math library (m) - done" ) # # dynamic loading library (Linux) # if( NOT WIN32 ) -message( STATUS "Detecting dl library (dynamic loading)" ) +message( STATUS "Detecting dynamic loading library (dl)" ) set( CMAKE_REQUIRED_LIBRARIES ${GLOBAL_LIBRARIES} ) find_function_library( dlopen FUNCTION_DLOPEN_LIBRARIES dl ) if( FUNCTION_DLOPEN_LIBRARIES ) message( STATUS "Adding global library: ${FUNCTION_DLOPEN_LIBRARIES}" ) - list( APPEND GLOBAL_LIBRARIES ${FUNCTION_DLOPEN_LIBRARIES} ) + set_property( CACHE GLOBAL_LIBRARIES PROPERTY VALUE ${GLOBAL_LIBRARIES} ${FUNCTION_DLOPEN_LIBRARIES} ) endif() -message( STATUS "Detecting dl library (dynamic loading) - done" ) +message( STATUS "Detecting dynamic loading library (dl) - done" ) endif() # -# socket/nsl/ws2_32 library (Solaris/MinGW) +# networking library (Solaris/MinGW) # if( NOT MSVC ) -message( STATUS "Detecting socket/nsl/ws2_32 library (networking)" ) +message( STATUS "Detecting networking library (socket/nsl/ws2_32)" ) set( CMAKE_REQUIRED_LIBRARIES ${GLOBAL_LIBRARIES} ) find_function_library( bind FUNCTION_BIND_LIBRARIES socket ws2_32 ) if( FUNCTION_BIND_LIBRARIES ) message( STATUS "Adding global library: ${FUNCTION_BIND_LIBRARIES}" ) - list( APPEND GLOBAL_LIBRARIES ${FUNCTION_BIND_LIBRARIES} ) + set_property( CACHE GLOBAL_LIBRARIES PROPERTY VALUE ${GLOBAL_LIBRARIES} ${FUNCTION_BIND_LIBRARIES} ) endif() set( CMAKE_REQUIRED_LIBRARIES ${GLOBAL_LIBRARIES} ) find_function_library( gethostbyname FUNCTION_GETHOSTBYNAME_LIBRARIES nsl ) if( FUNCTION_GETHOSTBYNAME_LIBRARIES ) message( STATUS "Adding global library: ${FUNCTION_GETHOSTBYNAME_LIBRARIES}" ) - list( APPEND GLOBAL_LIBRARIES ${FUNCTION_GETHOSTBYNAME_LIBRARIES} ) + set_property( CACHE GLOBAL_LIBRARIES PROPERTY VALUE ${GLOBAL_LIBRARIES} ${FUNCTION_GETHOSTBYNAME_LIBRARIES} ) +endif() +message( STATUS "Detecting networking library (socket/nsl/ws2_32) - done" ) +endif() + + +# +# Test for big endian +# +TEST_BIG_ENDIAN( BIG_ENDIAN ) +if( NOT DEFINED BIG_ENDIAN ) + message( WARNING "unable to determine endianess, only LITTLE ENDIAN is supported" ) +elseif( BIG_ENDIAN ) + message( FATAL_ERROR "bigendian is not supported" ) +endif() + + +# +# Test typecast to union +# +message( STATUS "Check if we can typecast to union" ) +set( SOURCECODE + "typedef union Foonion{\n" + " int i;\n" + " unsigned int ui;\n" + " const char* s;\n" + "} Foonion;\n" + "int get_i(Foonion onion){ return onion.i; }\n" + "int main(int argc, char** argv){\n" + "int i = 0;\n" + "return get_i(((Foonion)(int)i));\n" + "}\n" + ) +CHECK_C_SOURCE_COMPILES( "${SOURCECODE}" HAVE_TYPECAST_TO_UNION ) +if( HAVE_TYPECAST_TO_UNION ) + message( STATUS "Check typecast to union - yes" ) +else() + message( STATUS "Check typecast to union - no" ) + set_property( CACHE GLOBAL_DEFINITIONS PROPERTY VALUE "${GLOBAL_DEFINITIONS} -DDB_MANUAL_CAST_TO_UNION" ) +endif() + + +# +# Test monotonic clock +# +# CLOCK_MONOTONIC clock for clock_gettime +# Normally defines _POSIX_TIMERS > 0 and _POSIX_MONOTONIC_CLOCK (for posix +# compliant systems) and __FreeBSD_cc_version >= 500005 (for FreeBSD +# >= 5.1.0, which does not have the posix defines (ref. r11983)) would be +# checked but some systems define them even when they do not support it +# (ref. bugreport:1003). +# +message( STATUS "Check for monotonic clock" ) +set( SOURCECODE + "#include <sys/time.h>\n" + "#include <time.h>\n" + "#include <unistd.h>\n" + "int main(int argc, char** argv){\n" + "struct timespec tval;\n" + "return clock_gettime(CLOCK_MONOTONIC, &tval);\n" + "}\n" + ) +find_library( RT_LIBRARY rt )# (optional, rt on Debian) +mark_as_advanced( RT_LIBRARY ) +set( CMAKE_REQUIRED_LIBRARIES ${GLOBAL_LIBRARIES} ${RT_LIBRARY} ) +CHECK_C_SOURCE_RUNS( "${SOURCECODE}" HAVE_MONOTONIC_CLOCK ) +if( HAVE_MONOTONIC_CLOCK ) + message( STATUS "Check for monotonic clock - yes" ) + set_property( CACHE GLOBAL_LIBRARIES PROPERTY VALUE ${GLOBAL_LIBRARIES} ${RT_LIBRARY} ) + set_property( CACHE GLOBAL_DEFINITIONS PROPERTY VALUE "${GLOBAL_DEFINITIONS} -DHAVE_MONOTONIC_CLOCK" ) +else() + message( STATUS "Check for monotonic clock - no" ) endif() -message( STATUS "Detecting socket/nsl/ws2_32 library (networking) - done" ) + + +# +# Test if function exists: +# setrlimit - used to set the socket limit +# strnlen - string length with upper scan bound +# getpid - process id +# gettid - thread id +# +CHECK_FUNCTION_EXISTS( setrlimit HAVE_SETRLIMIT ) +CHECK_FUNCTION_EXISTS( strnlen HAVE_STRNLEN ) +CHECK_FUNCTION_EXISTS( getpid HAVE_GETPID ) +CHECK_FUNCTION_EXISTS( gettid HAVE_GETTID ) +foreach( define HAVE_SETRLIMIT HAVE_STRNLEN HAVE_GETPID HAVE_GETTID ) + if( ${define} ) + set_property( CACHE GLOBAL_DEFINITIONS PROPERTY VALUE "${GLOBAL_DEFINITIONS} -D${define}" ) + endif() +endforeach() + + +# +# Use RDTSC instruction as a timing source (time stamp counter on x86 since Pentium) +# +# Enable it when you've timing issues. (ex: in conjunction with XEN or Other Virtualization mechanisms) +# Please ensure that you've disabled dynamic CPU-Frequencys, such as power saving options. +# (On the most modern Dedicated Servers cpufreq is preconfigured, see your distribution's manual how to disable it) +# +option( ENABLE_RDTSC "use RDTSC instruction as a timing source" OFF ) +if( ENABLE_RDTSC ) + message( STATUS "Enabled RDTSC" ) + set_property( CACHE GLOBAL_DEFINITIONS PROPERTY VALUE "${GLOBAL_DEFINITIONS} -DENABLE_RDTSC" ) endif() |