204 lines
7.5 KiB
CMake
204 lines
7.5 KiB
CMake
# -*- cmake -*-
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#
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# Compilation options shared by all Second Life components.
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#*****************************************************************************
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# It's important to realize that CMake implicitly concatenates
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# CMAKE_CXX_FLAGS with (e.g.) CMAKE_CXX_FLAGS_RELEASE for Release builds. So
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# set switches in CMAKE_CXX_FLAGS that should affect all builds, but in
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# CMAKE_CXX_FLAGS_RELEASE or CMAKE_CXX_FLAGS_RELWITHDEBINFO for switches
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# that should affect only that build variant.
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#
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# Also realize that CMAKE_CXX_FLAGS may already be partially populated on
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# entry to this file.
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#*****************************************************************************
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if(NOT DEFINED ${CMAKE_CURRENT_LIST_FILE}_INCLUDED)
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set(${CMAKE_CURRENT_LIST_FILE}_INCLUDED "YES")
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include(Variables)
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# We go to some trouble to set LL_BUILD to the set of relevant compiler flags.
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} $ENV{LL_BUILD}")
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# Given that, all the flags you see added below are flags NOT present in
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# https://bitbucket.org/lindenlab/viewer-build-variables/src/tip/variables.
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# Before adding new ones here, it's important to ask: can this flag really be
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# applied to the viewer only, or should/must it be applied to all 3p libraries
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# as well?
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# Portable compilation flags.
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add_compile_definitions( ADDRESS_SIZE=${ADDRESS_SIZE})
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# Configure crash reporting
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set(RELEASE_CRASH_REPORTING OFF CACHE BOOL "Enable use of crash reporting in release builds")
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set(NON_RELEASE_CRASH_REPORTING OFF CACHE BOOL "Enable use of crash reporting in developer builds")
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if(RELEASE_CRASH_REPORTING)
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add_compile_definitions( LL_SEND_CRASH_REPORTS=1)
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endif()
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if(NON_RELEASE_CRASH_REPORTING)
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add_compile_definitions( LL_SEND_CRASH_REPORTS=1)
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endif()
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# Don't bother with a MinSizeRel or Debug build.
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set(CMAKE_CONFIGURATION_TYPES "RelWithDebInfo;Release" CACHE STRING "Supported build types." FORCE)
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# Platform-specific compilation flags.
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if (WINDOWS)
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# Don't build DLLs.
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set(BUILD_SHARED_LIBS OFF)
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# for "backwards compatibility", cmake sneaks in the Zm1000 option which royally
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# screws incredibuild. this hack disables it.
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# for details see: http://connect.microsoft.com/VisualStudio/feedback/details/368107/clxx-fatal-error-c1027-inconsistent-values-for-ym-between-creation-and-use-of-precompiled-headers
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# http://www.ogre3d.org/forums/viewtopic.php?f=2&t=60015
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# http://www.cmake.org/pipermail/cmake/2009-September/032143.html
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string(REPLACE "/Zm1000" " " CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
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# Without PreferredToolArchitecture=x64, as of 2020-06-26 the 32-bit
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# compiler on our TeamCity build hosts has started running out of virtual
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# memory for the precompiled header file.
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# CP changed to only append the flag for 32bit builds - on 64bit builds,
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# locally at least, the build output is spammed with 1000s of 'D9002'
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# warnings about this switch being ignored.
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if( ADDRESS_SIZE EQUAL 32 )
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /p:PreferredToolArchitecture=x64")
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endif()
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# zlib has assembly-language object files incompatible with SAFESEH
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add_link_options(/LARGEADDRESSAWARE
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/SAFESEH:NO
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/NODEFAULTLIB:LIBCMT
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/IGNORE:4099)
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add_definitions(
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-DNOMINMAX
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# /DDOM_DYNAMIC # For shared library colladadom
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)
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add_compile_options(
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/Zo
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/GS
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/TP
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/W3
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/c
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/Zc:forScope
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/nologo
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/Oy-
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/fp:fast
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/MP
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)
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# Nicky: x64 implies SSE2
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if( ADDRESS_SIZE EQUAL 32 )
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add_compile_options( /arch:SSE2 )
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endif()
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# Are we using the crummy Visual Studio KDU build workaround?
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if (NOT VS_DISABLE_FATAL_WARNINGS)
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add_compile_options(/WX)
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endif (NOT VS_DISABLE_FATAL_WARNINGS)
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#ND: When using something like buildcache (https://github.com/mbitsnbites/buildcache)
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# to make those wrappers work /Zi must be changed to /Z7, as /Zi due to it's nature is not compatible with caching
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if( ${CMAKE_CXX_COMPILER_LAUNCHER} MATCHES ".*cache.*")
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add_compile_options( /Z7 )
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string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
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string(REPLACE "/Zi" "/Z7" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
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string(REPLACE "/Zi" "/Z7" CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}")
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string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
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endif()
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endif (WINDOWS)
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if (LINUX)
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set(CMAKE_SKIP_RPATH TRUE)
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add_compile_definitions(
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-D_REENTRANT
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-D_FORTIFY_SOURCE=2
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-DEXTERNAL_TOS
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-DAPPID=secondlife
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-DLL_IGNORE_SIGCHLD
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)
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add_compile_options(
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-fexceptions
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-fno-math-errno
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-fno-strict-aliasing
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-fsigned-char
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-msse2
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-mfpmath=sse
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-pthread
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-Wno-parentheses
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-Wno-deprecated
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-fvisibility=hidden
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)
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if (ADDRESS_SIZE EQUAL 32)
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add_compile_options(-march=pentium4)
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endif (ADDRESS_SIZE EQUAL 32)
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# this stops us requiring a really recent glibc at runtime
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add_compile_options(-fno-stack-protector)
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# linking can be very memory-hungry, especially the final viewer link
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set(CMAKE_CXX_LINK_FLAGS "-Wl,--no-keep-memory")
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set(CMAKE_CXX_FLAGS_DEBUG "-fno-inline ${CMAKE_CXX_FLAGS_DEBUG}")
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endif (LINUX)
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if (DARWIN)
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# Warnings should be fatal -- thanks, Nicky Perian, for spotting reversed default
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set(CLANG_DISABLE_FATAL_WARNINGS OFF)
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set(CMAKE_CXX_LINK_FLAGS "-Wl,-headerpad_max_install_names,-search_paths_first")
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_CXX_LINK_FLAGS}")
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set(DARWIN_extra_cstar_flags "-Wno-unused-local-typedef -Wno-deprecated-declarations")
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# Ensure that CMAKE_CXX_FLAGS has the correct -g debug information format --
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# see Variables.cmake.
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string(REPLACE "-gdwarf-2" "-g${CMAKE_XCODE_ATTRIBUTE_DEBUG_INFORMATION_FORMAT}"
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CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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# The viewer code base can now be successfully compiled with -std=c++14. But
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# turning that on in the generic viewer-build-variables/variables file would
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# potentially require tweaking each of our ~50 third-party library builds.
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# Until we decide to set -std=c++14 in viewer-build-variables/variables, set
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# it locally here: we want to at least prevent inadvertently reintroducing
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# viewer code that would fail with C++14.
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${DARWIN_extra_cstar_flags} -std=c++14")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${DARWIN_extra_cstar_flags}")
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# NOTE: it's critical that the optimization flag is put in front.
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# NOTE: it's critical to have both CXX_FLAGS and C_FLAGS covered.
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## Really?? On developer machines too?
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##set(ENABLE_SIGNING TRUE)
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##set(SIGNING_IDENTITY "Developer ID Application: Linden Research, Inc.")
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endif (DARWIN)
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if (LINUX OR DARWIN)
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if (CMAKE_CXX_COMPILER MATCHES ".*clang")
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set(CMAKE_COMPILER_IS_CLANGXX 1)
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endif (CMAKE_CXX_COMPILER MATCHES ".*clang")
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set(GCC_WARNINGS -Wall -Wno-sign-compare -Wno-trigraphs)
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if (NOT GCC_DISABLE_FATAL_WARNINGS)
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list(APPEND GCC_WARNINGS -Werror)
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endif (NOT GCC_DISABLE_FATAL_WARNINGS)
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list(APPEND GCC_WARNINGS -Wno-reorder -Wno-non-virtual-dtor -Wno-unused-but-set-variable -Wno-unused-variable )
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add_compile_options(${GCC_WARNINGS})
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add_compile_options(-m${ADDRESS_SIZE})
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endif (LINUX OR DARWIN)
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set(${ARCH}_linux_INCLUDES
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atk-1.0
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glib-2.0
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gstreamer-0.10
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gtk-2.0
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pango-1.0
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)
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endif(NOT DEFINED ${CMAKE_CURRENT_LIST_FILE}_INCLUDED)
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