Handle AppleClang separately

Author: martinmoene

test/CMakeLists.txt

@@ -44,6 +44,8 @@ set( HAS_CPP20_FLAG FALSE )
 set( HAS_CPPLATEST_FLAG FALSE )
 
 if( MSVC )
+    message( STATUS "Matched: MSVC")
+
     set( HAS_STD_FLAGS TRUE )
 
     set( OPTIONS     -W3 -EHsc )
@@ -55,12 +57,10 @@ if( MSVC )
     endif()
     if( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.11 )
         set( HAS_CPP17_FLAG TRUE )
-        set( OPTIONS ${OPTIONS} /permissive- )
     endif()
 
 elseif( CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang|AppleClang" )
-
-    set( CMAKE_VERBOSE_MAKEFILE ON )
+    message( STATUS "CompilerId: '${CMAKE_CXX_COMPILER_ID}'")
 
     set( HAS_STD_FLAGS  TRUE )
     set( HAS_CPP98_FLAG TRUE )
@@ -70,6 +70,8 @@ elseif( CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang|AppleClang" )
 
     # GNU: available -std flags depends on version
     if( CMAKE_CXX_COMPILER_ID MATCHES "GNU" )
+        message( STATUS "Matched: GNU")
+
         if( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8.0 )
             set( HAS_CPP11_FLAG TRUE )
         endif()
@@ -79,10 +81,25 @@ elseif( CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang|AppleClang" )
         if( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.1.0 )
             set( HAS_CPP17_FLAG TRUE )
         endif()
-    endif()
+
+    # AppleClang: available -std flags depends on version
+    elseif( CMAKE_CXX_COMPILER_ID MATCHES "AppleClang" )
+        message( STATUS "Matched: AppleClang")
+
+        if( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0.0 )
+            set( HAS_CPP11_FLAG TRUE )
+        endif()
+        if( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.1.0 )
+            set( HAS_CPP14_FLAG TRUE )
+        endif()
+        if( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9.2.0 )
+            set( HAS_CPP17_FLAG TRUE )
+        endif()
 
     # Clang: available -std flags depends on version
-    if( CMAKE_CXX_COMPILER_ID MATCHES "Clang|AppleClang" )
+    elseif( CMAKE_CXX_COMPILER_ID MATCHES "Clang" )
+        message( STATUS "Matched: Clang")
+
         if( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.3.0 )
             set( HAS_CPP11_FLAG TRUE )
         endif()
@@ -95,9 +112,11 @@ elseif( CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang|AppleClang" )
     endif()
 
 elseif( CMAKE_CXX_COMPILER_ID MATCHES "Intel" )
-# as is
+    # as is
+    message( STATUS "Matched: Intel")
 else()
-# as is
+    # as is
+    message( STATUS "Matched: nothing")
 endif()
 
 # enable MS C++ Core Guidelines checker if MSVC:
@@ -114,6 +133,8 @@ endfunction()
 # make target, compile for given standard if specified:
 
 function( make_target target std )
+    message( STATUS "Make target: '${std}'" )
+
     add_executable            ( ${target} ${SOURCES} ${HDRPATH} )
     target_compile_options    ( ${target} PRIVATE ${OPTIONS} )
     target_compile_definitions( ${target} PRIVATE ${DEFINITIONS} )