Добавление флагов в виде строк

CMLibCodeCoverage.cmake

@@ -7,9 +7,7 @@ function(add_code_coverage target)
   if(CMLIB_ENABLE_CODE_COVERAGE)
     if(CMAKE_CXX_COMPILER_IS_GCC)
       target_compile_options(${target} PUBLIC "--coverage")
-      get_target_property(LF ${target} LINK_FLAGS)
+      set_property(TARGET ${target} APPEND_STRING PROPERTY LINK_FLAGS " --coverage")
-      string(APPEND LF " --coverage")
-      set_target_properties(${target} PROPERTIES LINK_FLAGS ${LF})
 
       if(LCOV_EXE)
         add_custom_target(

CMLibCommonTargetProperties.cmake

@@ -1,9 +1,10 @@
 set(COMMON_CXX_FEATURES cxx_alias_templates cxx_nullptr cxx_override)
 
 function(common_target_properties target)
-  get_target_property(__type ${target} TYPE)
+  get_target_property(_targetType ${target} TYPE)
+
   set(__visibility PUBLIC)
-  if(__type STREQUAL INTERFACE_LIBRARY)
+  if(_targetType STREQUAL INTERFACE_LIBRARY)
     set(__interface 1)
     set(__visibility INTERFACE)
   endif()
@@ -17,7 +18,6 @@ function(common_target_properties target)
   endforeach()
 
   target_compile_features(${target} ${__visibility} ${COMMON_CXX_FEATURES})
-  get_target_property(_targetType ${target} TYPE)
   if(_targetType STREQUAL "EXECUTABLE")
     set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY
                                                ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_BINDIR})
@@ -25,13 +25,16 @@ function(common_target_properties target)
       target_compile_options(${target} PUBLIC "${CMAKE_CXX_COMPILE_OPTIONS_PIE}")
     endif()
   endif()
+
   target_include_directories(
     ${target}
     PUBLIC $<INSTALL_INTERFACE:include> $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
            $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}> $<BUILD_INTERFACE:${CMAKE_BINARY_DIR}/include>)
+
   if(APPLE)
     target_compile_definitions(${target} ${__visibility} Darwin)
   endif()
+
   if(NOT __interface)
     if(TARGET Qt5::Core)
       if(_targetType STREQUAL "EXECUTABLE")
@@ -48,43 +51,27 @@ function(common_target_properties target)
       endif()
     endif()
     if(CMAKE_CXX_COMPILER_IS_GCC AND NOT APPLE)
-      set_target_properties(${target} PROPERTIES LINK_FLAGS "-Wl,--no-as-needed")
+      set_property(TARGET ${target} APPEND_STRING PROPERTY LINK_FLAGS " -Wl,--no-as-needed")
     endif()
   endif()
 
   # LTO only for executables (not libraries) in Release build type
-  get_target_property(target_type ${target} TYPE)
+  if(_targetType STREQUAL "EXECUTABLE" AND CMAKE_BUILD_TYPE STREQUAL "Release")
-  if(target_type STREQUAL "EXECUTABLE" AND CMAKE_BUILD_TYPE STREQUAL "Release")
     check_cxx_compiler_flag(-flto CXX_HAS_LTO_FLAG)
     check_cxx_compiler_flag(-fno-fat-lto-objects CXX_HAS_NO_FAT_LTO_FLAG)
-    if(CMAKE_CXX_COMPILER_IS_GCC AND CXX_HAS_LTO_FLAG)
+    if(CXX_HAS_LTO_FLAG)
-      find_program(CMAKE_GCC_AR NAMES "${_CMAKE_TOOLCHAIN_PREFIX}gcc-ar${_CMAKE_TOOLCHAIN_SUFFIX}"
+      target_compile_options(${target} PUBLIC "-flto")
-                                      "${_CMAKE_TOOLCHAIN_PREFIX}gcc-ar" HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
+      set_property(TARGET ${target} APPEND_STRING PROPERTY LINK_FLAGS " -flto")
-      find_program(CMAKE_GCC_NM NAMES "${_CMAKE_TOOLCHAIN_PREFIX}gcc-nm${_CMAKE_TOOLCHAIN_SUFFIX}"
-                                      "${_CMAKE_TOOLCHAIN_PREFIX}gcc-nm" HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
-      find_program(
-        CMAKE_GCC_RANLIB NAMES "${_CMAKE_TOOLCHAIN_PREFIX}gcc-ranlib${_CMAKE_TOOLCHAIN_SUFFIX}"
-                               "${_CMAKE_TOOLCHAIN_PREFIX}gcc-ranlib" HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
-      if(CMAKE_GCC_AR AND CMAKE_GCC_NM AND CMAKE_GCC_RANLIB)
-        set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -flto")
       if(CXX_HAS_NO_FAT_LTO_FLAG)
-          set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fno-fat-lto-objects")
+        target_compile_options(${target} PUBLIC "-fno-fat-lto-objects")
+        set_property(TARGET ${target} APPEND_STRING PROPERTY LINK_FLAGS " -fno-fat-lto-objects")
       endif()
-        set(CMAKE_AR "${CMAKE_GCC_AR}")
-        set(CMAKE_NM "${CMAKE_GCC_NM}")
-        set(CMAKE_RANLIB "${CMAKE_GCC_RANLIB}")
-      else()
-        message(WARNING "GCC indicates LTO support, but binutils wrappers could not be found. Disabling LTO.")
-      endif()
-    else()
-      check_enable_compiler_flag(-flto)
-      check_enable_compiler_flag(-fno-fat-lto-objects)
     endif()
   endif()
 
-  set_target_properties(${target} PROPERTIES COTIRE_ENABLE_PRECOMPILED_HEADER
+  set_property(TARGET ${target} PROPERTY COTIRE_ENABLE_PRECOMPILED_HEADER
                                          ${CMLIB_COTIRE_ENABLE_PRECOMPILED_HEADER})
-  set_target_properties(${target} PROPERTIES COTIRE_ADD_UNITY_BUILD ${CMLIB_COTIRE_ADD_UNITY_BUILD})
+  set_property(TARGET ${target} PROPERTY COTIRE_ADD_UNITY_BUILD ${CMLIB_COTIRE_ADD_UNITY_BUILD})
 
   if(CMAKE_BUILD_TYPE STREQUAL Profile)
     target_compile_definitions(${target} ${__visibility} PROFILE)

CMLibCompiler.cmake

@@ -19,3 +19,28 @@ elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
 elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
   set(CMAKE_CXX_COMPILER_IS_MSVC ON)
 endif()
+
+# Предпочтительные пути к утилитам для компоновки
+if(CMAKE_CXX_COMPILER_IS_GCC)
+  find_program(
+    CMAKE_GCC_AR NAMES "/usr/e2k-linux/bin/ar" "${_CMAKE_TOOLCHAIN_PREFIX}gcc-ar${_CMAKE_TOOLCHAIN_SUFFIX}"
+                       "${_CMAKE_TOOLCHAIN_PREFIX}gcc-ar" "ar" HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
+  if(CMAKE_GCC_AR)
+    set(CMAKE_AR ${CMAKE_GCC_AR} CACHE STRING "" FORCE)
+  endif()
+
+  find_program(
+    CMAKE_GCC_NM NAMES "/usr/e2k-linux/bin/nm" "${_CMAKE_TOOLCHAIN_PREFIX}gcc-nm${_CMAKE_TOOLCHAIN_SUFFIX}"
+                       "${_CMAKE_TOOLCHAIN_PREFIX}gcc-nm" "nm" HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
+  if(CMAKE_GCC_NM)
+    set(CMAKE_NM ${CMAKE_GCC_NM} CACHE STRING "" FORCE)
+  endif()
+
+  find_program(
+    CMAKE_GCC_RANLIB
+    NAMES "/usr/e2k-linux/bin/ranlib" "${_CMAKE_TOOLCHAIN_PREFIX}gcc-ranlib${_CMAKE_TOOLCHAIN_SUFFIX}"
+          "${_CMAKE_TOOLCHAIN_PREFIX}gcc-ranlib" "ranlib" HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
+  if(CMAKE_GCC_RANLIB)
+    set(CMAKE_RANLIB ${CMAKE_GCC_RANLIB} CACHE STRING "" FORCE)
+  endif()
+endif()

CMLibCompilerFlags.cmake

@@ -31,12 +31,23 @@ else()
   endif()
 endif()
 
+# Выбор стандарта по умолчанию (можно переопределить в проекте)
+set(CMAKE_CXX_STANDARD_REQUIRED YES)
+
+check_cxx_compiler_flag(-std=c++14 HAVE_FLAG_STD_CXX14)
+if(HAVE_FLAG_STD_CXX14)
+  set(CMAKE_CXX_STANDARD 14)
+  check_cxx_compiler_flag(-std=gnu++14 HAVE_FLAG_STD_GNUXX14)
+  if(HAVE_FLAG_STD_GNUXX14)
+    set(CMAKE_CXX_EXTENSIONS YES)
+  endif()
+else()
+  set(CMAKE_CXX_STANDARD 11)
+  set(CMAKE_CXX_EXTENSIONS YES)
+endif()
+
 # Common configuration for GCC, clang and Intel.
 if(CMAKE_CXX_COMPILER_IS_CLANG OR CMAKE_CXX_COMPILER_IS_INTEL OR CMAKE_CXX_COMPILER_IS_GCC)
-  set(CMAKE_CXX_STANDARD 11)
-  set(CMAKE_CXX_STANDARD_REQUIRED YES)
-  set(CMAKE_CXX_EXTENSIONS YES)
-
   if(CMLIB_WARNING_FLAGS AND CMAKE_BUILD_TYPE STREQUAL "Debug")
     check_enable_cxx_flag(-Wall)
     check_enable_cxx_flag(-Wextra)