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phoenix-firestorm/indra/cmake/00-Common.cmake

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CMake
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# -*- cmake -*-
#
# Compilation options shared by all Second Life components.
#*****************************************************************************
# It's important to realize that CMake implicitly concatenates
# CMAKE_CXX_FLAGS with (e.g.) CMAKE_CXX_FLAGS_RELEASE for Release builds. So
# set switches in CMAKE_CXX_FLAGS that should affect all builds, but in
# CMAKE_CXX_FLAGS_RELEASE or CMAKE_CXX_FLAGS_RELWITHDEBINFO for switches
# that should affect only that build variant.
#
# Also realize that CMAKE_CXX_FLAGS may already be partially populated on
# entry to this file.
#*****************************************************************************
include_guard()
include(Variables)
# We go to some trouble to set LL_BUILD to the set of relevant compiler flags.
# <FS:Ansariel> Use the previous version for Windows or the compile command line will be screwed up royally
if (WINDOWS)
set(CMAKE_CXX_FLAGS_RELEASE "$ENV{LL_BUILD_RELEASE}")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "$ENV{LL_BUILD_RELWITHDEBINFO}")
set(CMAKE_CXX_FLAGS_DEBUG "$ENV{LL_BUILD_DEBUG}")
else (WINDOWS)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} $ENV{LL_BUILD}")
endif (WINDOWS)
# Given that, all the flags you see added below are flags NOT present in
# https://bitbucket.org/lindenlab/viewer-build-variables/src/tip/variables.
# Before adding new ones here, it's important to ask: can this flag really be
# applied to the viewer only, or should/must it be applied to all 3p libraries
# as well?
# Portable compilation flags.
add_compile_definitions( ADDRESS_SIZE=${ADDRESS_SIZE})
# Configure crash reporting
set(RELEASE_CRASH_REPORTING OFF CACHE BOOL "Enable use of crash reporting in release builds")
set(NON_RELEASE_CRASH_REPORTING OFF CACHE BOOL "Enable use of crash reporting in developer builds")
if(RELEASE_CRASH_REPORTING)
add_compile_definitions( LL_SEND_CRASH_REPORTS=1)
endif()
if(NON_RELEASE_CRASH_REPORTING)
add_compile_definitions( LL_SEND_CRASH_REPORTS=1)
endif()
# Don't bother with a MinSizeRel or Debug builds.
set(CMAKE_CONFIGURATION_TYPES "RelWithDebInfo;Release" CACHE STRING "Supported build types." FORCE)
# Platform-specific compilation flags.
if (WINDOWS)
# Don't build DLLs.
set(BUILD_SHARED_LIBS OFF)
if( USE_COMPILERCACHE )
string(REPLACE "/Zi" "/Z7" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}")
string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
string(REPLACE "/Zi" "/Z7" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_REELASE}")
string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
string(REPLACE "/Zi" "/Z7" CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}")
string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
endif()
# for "backwards compatibility", cmake sneaks in the Zm1000 option which royally
# screws incredibuild. this hack disables it.
# 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
# http://www.ogre3d.org/forums/viewtopic.php?f=2&t=60015
# http://www.cmake.org/pipermail/cmake/2009-September/032143.html
string(REPLACE "/Zm1000" " " CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
# Without PreferredToolArchitecture=x64, as of 2020-06-26 the 32-bit
# compiler on our TeamCity build hosts has started running out of virtual
# memory for the precompiled header file.
# CP changed to only append the flag for 32bit builds - on 64bit builds,
# locally at least, the build output is spammed with 1000s of 'D9002'
# warnings about this switch being ignored.
if(ADDRESS_SIZE EQUAL 32 AND DEFINED ENV{"TEAMCITY_PROJECT_NAME"})
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /p:PreferredToolArchitecture=x64")
endif()
# zlib has assembly-language object files incompatible with SAFESEH
add_link_options(/LARGEADDRESSAWARE
/SAFESEH:NO
/NODEFAULTLIB:LIBCMT
/IGNORE:4099)
add_definitions(
-DNOMINMAX
# /DDOM_DYNAMIC # For shared library colladadom
)
add_compile_options(
/Zo
/GS
/TP
/W3
/c
/Zc:forScope
/nologo
/Oy-
/Oi
/Ot
/fp:fast
/MP
)
# <FS:Ansariel> AVX/AVX2 support
if (USE_AVX_OPTIMIZATION)
add_compile_options(/arch:AVX)
elseif (USE_AVX2_OPTIMIZATION)
add_compile_options(/arch:AVX2)
else (USE_AVX_OPTIMIZATION)
# Nicky: x64 implies SSE2
if (ADDRESS_SIZE EQUAL 32)
add_compile_options(/arch:SSE2)
endif()
endif (USE_AVX_OPTIMIZATION)
# </FS:Ansariel> AVX/AVX2 support
# Are we using the crummy Visual Studio KDU build workaround?
if (NOT VS_DISABLE_FATAL_WARNINGS)
add_compile_options(/WX)
endif (NOT VS_DISABLE_FATAL_WARNINGS)
#ND: When using something like buildcache (https://github.com/mbitsnbites/buildcache)
# to make those wrappers work /Zi must be changed to /Z7, as /Zi due to it's nature is not compatible with caching
if( ${CMAKE_CXX_COMPILER_LAUNCHER} MATCHES ".*cache.*")
add_compile_options( /Z7 )
string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
string(REPLACE "/Zi" "/Z7" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
string(REPLACE "/Zi" "/Z7" CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}")
string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
endif()
endif (WINDOWS)
if (LINUX)
set(CMAKE_SKIP_RPATH TRUE)
# <FS:ND/>
# And another hack for FORTIFY_SOURCE. Some distributions (for example Gentoo) define FORTIFY_SOURCE by default.
# Check if this is the case, if yes, do not define it again.
execute_process(
COMMAND echo "int main( char **a, int c ){ \n#ifdef _FORTIFY_SOURCE\n#error FORTITY_SOURCE_SET\n#else\nreturn 0;\n#endif\n}"
COMMAND sh -c "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1} -xc++ -w - -o /dev/null"
OUTPUT_VARIABLE FORTIFY_SOURCE_OUT
ERROR_VARIABLE FORTIFY_SOURCE_ERR
RESULT_VARIABLE FORTIFY_SOURCE_RES
)
if ( ${FORTIFY_SOURCE_RES} EQUAL 0 )
add_definitions(-D_FORTIFY_SOURCE=2)
endif()
# gcc 4.3 and above don't like the LL boost and also
# cause warnings due to our use of deprecated headers
add_definitions(
-D_REENTRANT
)
add_compile_options(
-fexceptions
-fno-math-errno
-fno-strict-aliasing
-fsigned-char
-msse2
-mfpmath=sse
-pthread
)
# force this platform to accept TOS via external browser <FS:ND> No, do not.
# add_definitions(-DEXTERNAL_TOS)
add_definitions(-DAPPID=secondlife)
add_compile_options(-fvisibility=hidden)
# don't catch SIGCHLD in our base application class for the viewer - some of
# our 3rd party libs may need their *own* SIGCHLD handler to work. Sigh! The
# viewer doesn't need to catch SIGCHLD anyway.
add_definitions(-DLL_IGNORE_SIGCHLD)
if (ADDRESS_SIZE EQUAL 32)
add_compile_options(-march=pentium4)
endif (ADDRESS_SIZE EQUAL 32)
# this stops us requiring a really recent glibc at runtime
add_compile_options(-fno-stack-protector)
# linking can be very memory-hungry, especially the final viewer link
#set(CMAKE_CXX_LINK_FLAGS "-Wl,--no-keep-memory")
set(CMAKE_CXX_LINK_FLAGS "-Wl,--no-keep-memory -Wl,--build-id -Wl,-rpath,'$ORIGIN:$ORIGIN/../lib' -Wl,--exclude-libs,ALL")
set(CMAKE_EXE_LINKER_FLAGS "-Wl,--no-keep-memory -Wl,--build-id -Wl,-rpath,'$ORIGIN:$ORIGIN/../lib' -Wl,--exclude-libs,ALL")
set(CMAKE_CXX_FLAGS_DEBUG "-fno-inline ${CMAKE_CXX_FLAGS_DEBUG}")
endif (LINUX)
if (DARWIN)
# Warnings should be fatal -- thanks, Nicky Perian, for spotting reversed default
set(CLANG_DISABLE_FATAL_WARNINGS OFF)
set(CMAKE_CXX_LINK_FLAGS "-Wl,-headerpad_max_install_names,-search_paths_first")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_CXX_LINK_FLAGS}")
set(DARWIN_extra_cstar_flags "-Wno-unused-local-typedef -Wno-deprecated-declarations")
#<FS:TS> Silence some more compiler warnings on Xcode 9
set(DARWIN_extra_cstar_flags "${DARWIN_extra_cstar_flags} -Wno-unused-const-variable -Wno-unused-private-field -Wno-potentially-evaluated-expression")
# Ensure that CMAKE_CXX_FLAGS has the correct -g debug information format --
# see Variables.cmake.
string(REPLACE "-gdwarf-2" "-g${CMAKE_XCODE_ATTRIBUTE_DEBUG_INFORMATION_FORMAT}"
CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${DARWIN_extra_cstar_flags}")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${DARWIN_extra_cstar_flags}")
# NOTE: it's critical that the optimization flag is put in front.
# NOTE: it's critical to have both CXX_FLAGS and C_FLAGS covered.
set(ENABLE_SIGNING TRUE)
set(SIGNING_IDENTITY "Developer ID Application: The Phoenix Firestorm Project, Inc." )
# required for clang-15/xcode-15 since our boost package still uses deprecated std::unary_function/binary_function
# see https://developer.apple.com/documentation/xcode-release-notes/xcode-15-release-notes#C++-Standard-Library
add_compile_definitions(_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION)
endif (DARWIN)
if (LINUX OR DARWIN)
if (CMAKE_CXX_COMPILER MATCHES ".*clang")
set(CMAKE_COMPILER_IS_CLANGXX 1)
endif (CMAKE_CXX_COMPILER MATCHES ".*clang")
if (CMAKE_COMPILER_IS_GNUCXX)
set(GCC_WARNINGS "-Wall -Wno-sign-compare -Wno-trigraphs")
elseif (CMAKE_COMPILER_IS_CLANGXX)
set(GCC_WARNINGS "-Wall -Wno-sign-compare -Wno-trigraphs")
endif()
if (NOT GCC_DISABLE_FATAL_WARNINGS)
set(GCC_WARNINGS "${GCC_WARNINGS} -Werror")
endif (NOT GCC_DISABLE_FATAL_WARNINGS)
if (${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang" AND DARWIN AND XCODE_VERSION GREATER 4.9)
set(GCC_CXX_WARNINGS "$[GCC_WARNINGS] -Wno-reorder -Wno-unused-const-variable -Wno-format-extra-args -Wno-unused-private-field -Wno-unused-function -Wno-tautological-compare -Wno-empty-body -Wno-unused-variable -Wno-unused-value")
else (${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang" AND DARWIN AND XCODE_VERSION GREATER 4.9)
#elseif (${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
set(GCC_CXX_WARNINGS "${GCC_WARNINGS} -Wno-reorder -Wno-non-virtual-dtor -Wno-unused-variable")
endif ()
if(LINUX)
set(GCC_CXX_WARNINGS "${GCC_WARNINGS} -Wno-reorder -Wno-non-virtual-dtor -Wno-unused-variable -Wno-unused-but-set-variable -Wno-pragmas -Wno-deprecated")
endif()
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 13.0)
set(GCC_CXX_WARNINGS "${GCC_CXX_WARNINGS} -Wno-c++20-compat")
endif()
set(CMAKE_C_FLAGS "${GCC_WARNINGS} ${CMAKE_C_FLAGS}")
set(CMAKE_CXX_FLAGS "${GCC_CXX_WARNINGS} ${CMAKE_CXX_FLAGS}")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m${ADDRESS_SIZE}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m${ADDRESS_SIZE}")
endif (LINUX OR DARWIN)
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