3.8.2/share/cmake-3.8/Modules/CMakeCommonLanguageInclude.cmake

# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.


# this file has flags that are shared across languages and sets
# cache values that can be initialized in the platform-compiler.cmake file
# it may be included by more than one language.

string(APPEND CMAKE_EXE_LINKER_FLAGS_INIT " $ENV{LDFLAGS}")
string(APPEND CMAKE_SHARED_LINKER_FLAGS_INIT " $ENV{LDFLAGS}")
string(APPEND CMAKE_MODULE_LINKER_FLAGS_INIT " $ENV{LDFLAGS}")

foreach(t EXE SHARED MODULE STATIC)
  foreach(c "" _DEBUG _RELEASE _MINSIZEREL _RELWITHDEBINFO)
    string(STRIP "${CMAKE_${t}_LINKER_FLAGS${c}_INIT}" CMAKE_${t}_LINKER_FLAGS${c}_INIT)
  endforeach()
endforeach()

if(NOT CMAKE_NOT_USING_CONFIG_FLAGS)
# default build type is none
  if(NOT CMAKE_NO_BUILD_TYPE)
    set (CMAKE_BUILD_TYPE ${CMAKE_BUILD_TYPE_INIT} CACHE STRING
      "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel.")
  endif()

  set (CMAKE_EXE_LINKER_FLAGS_DEBUG ${CMAKE_EXE_LINKER_FLAGS_DEBUG_INIT} CACHE STRING
     "Flags used by the linker during debug builds.")

  set (CMAKE_EXE_LINKER_FLAGS_MINSIZEREL ${CMAKE_EXE_LINKER_FLAGS_MINSIZEREL_INIT} CACHE STRING
     "Flags used by the linker during release minsize builds.")

  set (CMAKE_EXE_LINKER_FLAGS_RELEASE ${CMAKE_EXE_LINKER_FLAGS_RELEASE_INIT} CACHE STRING
     "Flags used by the linker during release builds.")

  set (CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO
     ${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO_INIT} CACHE STRING
     "Flags used by the linker during Release with Debug Info builds.")

  set (CMAKE_SHARED_LINKER_FLAGS_DEBUG ${CMAKE_SHARED_LINKER_FLAGS_DEBUG_INIT} CACHE STRING
     "Flags used by the linker during debug builds.")

  set (CMAKE_SHARED_LINKER_FLAGS_MINSIZEREL ${CMAKE_SHARED_LINKER_FLAGS_MINSIZEREL_INIT}
     CACHE STRING
     "Flags used by the linker during release minsize builds.")

  set (CMAKE_SHARED_LINKER_FLAGS_RELEASE ${CMAKE_SHARED_LINKER_FLAGS_RELEASE_INIT} CACHE STRING
     "Flags used by the linker during release builds.")

  set (CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO
     ${CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO_INIT} CACHE STRING
     "Flags used by the linker during Release with Debug Info builds.")

  set (CMAKE_MODULE_LINKER_FLAGS_DEBUG ${CMAKE_MODULE_LINKER_FLAGS_DEBUG_INIT} CACHE STRING
     "Flags used by the linker during debug builds.")

  set (CMAKE_MODULE_LINKER_FLAGS_MINSIZEREL ${CMAKE_MODULE_LINKER_FLAGS_MINSIZEREL_INIT}
     CACHE STRING
     "Flags used by the linker during release minsize builds.")

  set (CMAKE_MODULE_LINKER_FLAGS_RELEASE ${CMAKE_MODULE_LINKER_FLAGS_RELEASE_INIT} CACHE STRING
     "Flags used by the linker during release builds.")

  set (CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO
     ${CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO_INIT} CACHE STRING
     "Flags used by the linker during Release with Debug Info builds.")

  set (CMAKE_STATIC_LINKER_FLAGS_DEBUG ${CMAKE_STATIC_LINKER_FLAGS_DEBUG_INIT} CACHE STRING
     "Flags used by the linker during debug builds.")

  set (CMAKE_STATIC_LINKER_FLAGS_MINSIZEREL ${CMAKE_STATIC_LINKER_FLAGS_MINSIZEREL_INIT}
     CACHE STRING
     "Flags used by the linker during release minsize builds.")

  set (CMAKE_STATIC_LINKER_FLAGS_RELEASE ${CMAKE_STATIC_LINKER_FLAGS_RELEASE_INIT} CACHE STRING
     "Flags used by the linker during release builds.")

  set (CMAKE_STATIC_LINKER_FLAGS_RELWITHDEBINFO
     ${CMAKE_STATIC_LINKER_FLAGS_RELWITHDEBINFO_INIT} CACHE STRING
     "Flags used by the linker during Release with Debug Info builds.")
endif()

# executable linker flags
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS_INIT}"
     CACHE STRING "Flags used by the linker.")

# shared linker flags
set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS_INIT}"
     CACHE STRING "Flags used by the linker during the creation of dll's.")

# module linker flags
set (CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS_INIT}"
     CACHE STRING "Flags used by the linker during the creation of modules.")

# static linker flags
set (CMAKE_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS_INIT}"
     CACHE STRING "Flags used by the linker during the creation of static libraries.")

# Alias the build tool variable for backward compatibility.
set(CMAKE_BUILD_TOOL ${CMAKE_MAKE_PROGRAM})

mark_as_advanced(
CMAKE_VERBOSE_MAKEFILE

CMAKE_EXE_LINKER_FLAGS
CMAKE_EXE_LINKER_FLAGS_DEBUG
CMAKE_EXE_LINKER_FLAGS_MINSIZEREL
CMAKE_EXE_LINKER_FLAGS_RELEASE
CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO

CMAKE_SHARED_LINKER_FLAGS
CMAKE_SHARED_LINKER_FLAGS_DEBUG
CMAKE_SHARED_LINKER_FLAGS_MINSIZEREL
CMAKE_SHARED_LINKER_FLAGS_RELEASE
CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO

CMAKE_MODULE_LINKER_FLAGS
CMAKE_MODULE_LINKER_FLAGS_DEBUG
CMAKE_MODULE_LINKER_FLAGS_MINSIZEREL
CMAKE_MODULE_LINKER_FLAGS_RELEASE
CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO

CMAKE_STATIC_LINKER_FLAGS
CMAKE_STATIC_LINKER_FLAGS_DEBUG
CMAKE_STATIC_LINKER_FLAGS_MINSIZEREL
CMAKE_STATIC_LINKER_FLAGS_RELEASE
CMAKE_STATIC_LINKER_FLAGS_RELWITHDEBINFO
)