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icinga2
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Add a CMake variable for -flto

This commit is contained in:
Gunnar Beutner 2015-03-04 08:57:20 +01:00
parent 4d63351561
commit 47842e2797
2 changed files with 9 additions and 0 deletions
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8
CMakeLists.txt
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@ -51,6 +51,7 @@ set(ICINGA2_RUNDIR "${CMAKE_INSTALL_FULL_LOCALSTATEDIR}/run" CACHE STRING "/run
set(ICINGA2_PLUGINDIR "/usr/lib/nagios/plugins" CACHE STRING "Path for the check plugins")
set(ICINGA2_GIT_VERSION_INFO ON CACHE BOOL "Whether to use git describe")
set(ICINGA2_UNITY_BUILD ON CACHE BOOL "Whether to perform a unity build")
set(ICINGA2_LTO_BUILD OFF CACHE BOOL "Whether to use LTO")
file(READ "${CMAKE_CURRENT_SOURCE_DIR}/COPYING" ICINGA2_LICENSE_GPL)
file(READ "${CMAKE_CURRENT_SOURCE_DIR}/COPYING.Exceptions" ICINGA2_LICENSE_ADDITIONS)
@ -139,6 +140,13 @@ if(CMAKE_C_COMPILER_ID STREQUAL "GNU")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gc-sections")
endif()
if(ICINGA2_LTO_BUILD)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -flto")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -flto")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -flto")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -flto")
endif()
if(MSVC)
add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS)
endif()

1
INSTALL.md
View File

@ -143,6 +143,7 @@ variables are supported:
- `ICINGA2_GIT_VERSION_INFO`: Whether to use Git to determine the version number; defaults to `ON`
- `ICINGA2_COMMAND_GROUP`: The command group Icinga 2 should use; defaults to `icingacmd`
- `ICINGA2_UNITY_BUILD`: Whether to perform a unity build; defaults to `ON`
- `ICINGA2_LTO_BUILD`: Whether to use link time optimization (LTO); defaults to `OFF`
- `ICINGA2_PLUGINDIR`: The path for the Monitoring Plugins project binaries; defaults to `/usr/lib/nagios/plugins`
- `ICINGA2_RUNDIR`: The location of the "run" directory; defaults to `CMAKE_INSTALL_LOCALSTATEDIR/run`
- `CMAKE_INSTALL_SYSCONFDIR`: The configuration directory; defaults to `CMAKE_INSTALL_PREFIX/etc`