buildsys/target/engine.cmake

   1 add_library(common INTERFACE)
   2 #target_sources(common INTERFACE ${OBJ_COMMON})
   3 target_compile_definitions(common INTERFACE -D_FILE_OFFSET_BITS=64 -D__KERNEL_STRICT_NAMES)
   4
   5 set(ENV{TZ} "UTC")
   6
   7 # Build a version string for the engine.
   8 execute_process(
   9         COMMAND git rev-parse --short HEAD
  10         WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
  11         OUTPUT_VARIABLE revision
  12         OUTPUT_STRIP_TRAILING_WHITESPACE
  13 )
  14
  15 execute_process(
  16         COMMAND "git show -s --format=%ad --date='format-local:%a %b %d %Y %H:%I:%S UTC'"
  17         OUTPUT_VARIABLE timestamp
  18         OUTPUT_STRIP_TRAILING_WHITESPACE
  19 )
  20 set(DP_BUILD_REVISION "${timestamp} - ${revision}")
  21
  22 if(CMAKE_SYSTEM_PROCESSOR MATCHES "(x|i[36])86|AMD64")
  23         option(ENGINE_CONFIG_SSE "Build with SSE support (x86 and x86_64 only)" ON)
  24 else()
  25         set(ENGINE_CONFIG_SSE OFF)
  26 endif()
  27
  28 if(NOT MSVC)
  29         # Flags for gcc, clang, tcc...
  30
  31         # NOTE: *never* *ever* use the -ffast-math or -funsafe-math-optimizations flag
  32         # Also, since gcc 5, -ffinite-math-only makes NaN and zero compare equal inside engine code but not inside QC, which causes error spam for seemingly valid QC code like if (x != 0) return 1 / x;
  33
  34         target_compile_options(common INTERFACE
  35                 -Wall -Winline -Werror=c++-compat -Wwrite-strings -Wshadow -Wold-style-definition -Wstrict-prototypes -Wsign-compare -Wdeclaration-after-statement -Wmissing-prototypes
  36                 $<$<CONFIG:RELEASE>:-O3 -fno-strict-aliasing -fno-math-errno -fno-rounding-math -fno-trapping-math>
  37                 $<$<CONFIG:DEBUG>:-ggdb>
  38                 $<$<CONFIG:PROFILE>:-g -pg -ggdb -fprofile-arcs>
  39                 $<$<CONFIG:PROFILERELEASE>:-fbranch-probabilities>
  40         )
  41
  42         if(NOT CMAKE_C_COMPILER_ID STREQUAL "Clang")
  43                 target_compile_options(common INTERFACE $<$<CONFIG:RELEASE>:-fno-signaling-nans>)
  44         endif()
  45
  46         target_link_libraries(common INTERFACE -lm)
  47
  48         if(CMAKE_C_COMPILER_ID STREQUAL "TinyCC")
  49                 target_compile_definitions(common INTERFACE -DSDL_DISABLE_IMMINTRIN_H)
  50         endif()
  51
  52         if(ENGINE_CONFIG_PEDANTIC)
  53                 target_compile_options(common INTERFACE -std=c11 -pedantic)
  54                 target_compile_definitions(common INTERFACE -D_POSIX_C_SOURCE=200809L -DCONFIG_PEDANTIC)
  55         endif()
  56
  57         if(ENGINE_CONFIG_SSE)
  58                 target_compile_options(common INTERFACE -msse)
  59         endif()
  60
  61         if(WIN32) # Windows MinGW
  62                 if(CMAKE_SYSTEM_PROCESSOR MATCHES "i[36]86")
  63                         target_link_options(common INTERFACE --large-address-aware)
  64                 endif()
  65                 target_link_libraries(common INTERFACE -lwinmm -limm32 -lversion -lwsock32 -lws2_32)
  66         elseif(APPLE) # MacOS, iOS
  67                 target_link_libraries(common INTERFACE -ldl -framework IOKit -framework CoreFoundation)
  68         elseif(CMAKE_SYSTEM_NAME STREQUAL "SunOS") # SunOS, Solaris, OpenSolaris, illumos (OpenIndiana and friends)
  69                 target_link_libraries(common INTERFACE -lrt -ldl -lsocket -lnsl)
  70         else() # Linux, the BSDs, and probably everything else
  71                 target_link_libraries(common INTERFACE -lrt -ldl)
  72         endif()
  73 else()
  74         # Flags for Visual Studio
  75         target_compile_options(common INTERFACE
  76                 /W4 /Wd4706;4127;4100;4055;4054;4244;4305;4702;4201 /MP
  77                 $<$<CONFIG:RELEASE>:/MD /Gy /O2 /Oi /Zi>
  78                 $<$<CONFIG:DEBUG>:/Od /RTC1 /MDd /Gm>
  79         )
  80
  81         target_link_options(common INTERFACE
  82                 /SUBSYSTEM:WINDOWS
  83                 $<$<CONFIG:RELEASE>:/OPT:REF /OPT:ICF>
  84                 $<$<CONFIG:DEBUG>:/DEBUG /NODEFAULTLIB:msvcrt.lib>
  85         )
  86
  87         if(CMAKE_SYSTEM_PROCESOR STREQUAL "AMD64")
  88                 target_compile_options(client INTERFACE /Zi)
  89         else()
  90                 target_compile_options(client INTERFACE /ZI)
  91                 target_link_options(common INTERFACE /LARGEADDRESSAWARE)
  92         endif()
  93 endif()
  94
  95 if(ENGINE_VERSION)
  96         target_compile_definitions(common INTERFACE -DSVNREVISION=${ENGINE_VERSION})
  97 endif()
  98
  99 if(CMAKE_BUILD_TYPE)
 100         target_compile_definitions(common INTERFACE -DBUILDTYPE=${CMAKE_BUILD_TYPE})
 101 endif()
 102
 103 if(ENGINE_NO_BUILD_TIMESTAMPS)
 104         target_compile_definitions(common INTERFACE -DNO_BUILD_TIMESTAMPS)
 105 endif()
 106
 107 if(ENGINE_BUILD_CLIENT)
 108         include(buildsys/target/engine/client.cmake)
 109 endif()
 110
 111 if(ENGINE_BUILD_SERVER)
 112         include(buildsys/target/engine/server.cmake)
 113 endif()