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187 lines
6.2 KiB
187 lines
6.2 KiB
2 years ago
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include(CMakePrintHelpers)
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# Find TribitsExProj package(s), load compilers and compiler options, and get
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# CMake lib targets (which have include dirs also) to link against.
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#
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# On return, sets the vars in the current scope:
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#
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# * TribitsExProj_SELECTED_PACKAGE_LIST: List of all of the packages pulled in
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# * from the TribtsExProj.
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#
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# * APP_DEPS_LIB_TARGETS: List of all of the IMPORTED CMake targets that 'app'
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# must link against
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#
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# * CMAKE_<LANG>_COMPILER and CMAKE_<LANG>_FLAGS pulled in from the
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# TribitsExProjConfig.config or a <Package>Config.cmake file
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#
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macro(getTribitsExProjStuffForApp)
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set(${PROJECT_NAME}_FIND_INDIVIDUAL_PACKAGES OFF CACHE BOOL
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"Set to TRUE to find individual packages and OFF to find project TribitsExProj")
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if (${PROJECT_NAME}_FIND_INDIVIDUAL_PACKAGES)
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getTribitsExProjStuffForAppByPackage()
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else()
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getTribitsExProjStuffForAppByProject()
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endif()
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endmacro()
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# Get TribitsExProj stuff with find_package(<Package>) for each
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# package/component independently.
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#
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macro(getTribitsExProjStuffForAppByPackage)
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# Find each package and gather up all the <Package>::all_libs targets
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set(APP_DEPS_LIB_TARGETS "")
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foreach (packageName IN LISTS ${PROJECT_NAME}_USE_COMPONENTS)
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find_package(${packageName} REQUIRED)
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message("Found ${packageName}!")
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list(APPEND APP_DEPS_LIB_TARGETS ${packageName}::all_libs)
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endforeach()
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print_var(APP_DEPS_LIB_TARGETS)
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# Set TribitsExProj_SELECTED_PACKAGE_LIST
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set(TribitsExProj_SELECTED_PACKAGE_LIST ${${PROJECT_NAME}_USE_COMPONENTS})
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# NOTE: We are setting his here since TribitsExProjConfig.cmake is not being
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# read in in this case.
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# Get compilers from first package listed
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list(GET ${PROJECT_NAME}_USE_COMPONENTS 0 firstPkg)
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setCompilersForAppFromConfigFileCompilers(${firstPkg})
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endmacro()
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# Get TribitsExProj stuff from find_package(TribitsExProj)
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#
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macro(getTribitsExProjStuffForAppByProject)
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find_package(TribitsExProj REQUIRED COMPONENTS ${${PROJECT_NAME}_USE_COMPONENTS})
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message("\nFound TribitsExProj! Here are the details: ")
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message(" TribitsExProj_DIR = ${TribitsExProj_DIR}")
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message(" TribitsExProj_VERSION = ${TribitsExProj_VERSION}")
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message(" TribitsExProj_PACKAGE_LIST = ${TribitsExProj_PACKAGE_LIST}")
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message(" TribitsExProj_BUILD_SHARED_LIBS = ${TribitsExProj_BUILD_SHARED_LIBS}")
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message("End of TribitsExProj details\n")
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# Make sure to use same compilers and flags as TribitsExProj
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setCompilersForAppFromConfigFileCompilers(TribitsExProj)
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# Get the libraries for building and linking
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if (${PROJECT_NAME}_USE_COMPONENTS)
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set(APP_DEPS_LIB_TARGETS TribitsExProj::all_selected_libs)
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else()
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set(APP_DEPS_LIB_TARGETS TribitsExProj::all_libs)
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endif()
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endmacro()
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# Get compilers and compiler flags from the imported
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# ``TribitsExProjConfig.cmake`` or ``<Package>Config.cmake`` file.
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#
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# Here ``prefix`` is the prefix for the variables read in from the
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# *Config.cmake file.
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#
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macro(setCompilersForAppFromConfigFileCompilers prefix)
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message("-- Setting compilers and flags read in from '${prefix}Config.cmake' file:")
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set(CMAKE_CXX_COMPILER ${${prefix}_CXX_COMPILER} )
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set(CMAKE_C_COMPILER ${${prefix}_C_COMPILER} )
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set(CMAKE_Fortran_COMPILER ${${prefix}_Fortran_COMPILER} )
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set(CMAKE_CXX_FLAGS "${${prefix}_CXX_COMPILER_FLAGS} ${CMAKE_CXX_FLAGS}")
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set(CMAKE_C_FLAGS "${${prefix}_C_COMPILER_FLAGS} ${CMAKE_C_FLAGS}")
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set(CMAKE_Fortran_FLAGS "${${prefix}_Fortran_COMPILER_FLAGS} ${CMAKE_Fortran_FLAGS}")
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cmake_print_variables(CMAKE_CXX_COMPILER)
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cmake_print_variables(CMAKE_C_COMPILER)
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cmake_print_variables(CMAKE_Fortran_COMPILER)
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cmake_print_variables(CMAKE_CXX_FLAGS)
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cmake_print_variables(CMAKE_C_FLAGS)
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cmake_print_variables(CMAKE_Fortran_FLAGS)
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endmacro()
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# Add compiler defines to the ``app`` target for optionally supported packages
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# from upstream TribitExProj
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#
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function(addAppDepCompileDefines)
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addAppDepCompileDefine("SimpleCxx")
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addAppDepCompileDefine("MixedLang")
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addAppDepCompileDefine("WithSubpackagesA")
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addAppDepCompileDefine("WithSubpackagesB")
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addAppDepCompileDefine("WithSubpackagesC")
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endfunction()
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function(addAppDepCompileDefine componentName)
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if (TARGET ${componentName}::all_libs)
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string(TOUPPER "${componentName}" componentNameUpper)
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target_compile_definitions(app PRIVATE TRIBITSEXAPP_HAVE_${componentNameUpper})
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endif()
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endfunction()
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# NOTE: Above, we look to see if the 'all_libs' target for a package is
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# defined as a way to know if that package is enabled. That will determine if
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# the package is enabled even if it is just implicitly enabled and therefore
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# is not listed in the list of COMPONENTS passed to find_package().
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# Return the extended dependency string from the app at runtime given the
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# enabled packages from TribitsExProj.
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#
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function(getExpectedAppDepsStr expectedDepsStrOut)
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if (TARGET SimpleTpl::all_libs)
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set(simpleCxxDeps "simpletpl ")
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else()
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set(simpleCxxDeps "")
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endif()
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set(simpleCxxDeps "${simpleCxxDeps}headeronlytpl")
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set(withSubpackagesADeps "SimpleCxx ${simpleCxxDeps}")
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set(withSubpackagesBDeps "A ${withSubpackagesADeps} SimpleCxx ${simpleCxxDeps}")
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set(withSubpackagesCDeps "B ${withSubpackagesBDeps} A ${withSubpackagesADeps}")
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set(depsStr "")
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appendExpectedAppDepsStr("WithSubpackagesC"
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"WithSubpackagesC:${withSubpackagesCDeps}"
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depsStr)
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appendExpectedAppDepsStr("WithSubpackagesB"
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"WithSubpackagesB:${withSubpackagesBDeps}"
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depsStr)
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appendExpectedAppDepsStr("WithSubpackagesA"
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"WithSubpackagesA:${withSubpackagesADeps}"
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depsStr)
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appendExpectedAppDepsStr("MixedLang" "MixedLang:Mixed Language" depsStr)
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appendExpectedAppDepsStr("SimpleCxx" "SimpleCxx:${simpleCxxDeps}" depsStr)
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set(${expectedDepsStrOut} "${depsStr}" PARENT_SCOPE)
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endfunction()
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function(appendExpectedAppDepsStr componentName str depsStrOut)
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set(depsStr "${${depsStrOut}}") # Should be value of var in parent scope!
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#message("-- depsStr (inner) = '${depsStr}'")
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if (TARGET ${componentName}::all_libs)
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if (depsStr)
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set(depsStr "${depsStr}[;] ${str}")
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else()
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set(depsStr "${str}")
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endif()
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endif()
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set(${depsStrOut} "${depsStr}" PARENT_SCOPE)
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endfunction()
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function(print_var varName)
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message("-- ${varName} = '${${varName}}'")
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endfunction()
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