💚 Fix supported compilers

.github/workflows/tests.yml

@@ -56,13 +56,8 @@ jobs:
       matrix:
         compiler:
           [
-            { c: "gcc-11", cxx: "g++-11" },
             { c: "gcc-12", cxx: "g++-12" },
             { c: "gcc-13", cxx: "g++-13" },
-            {
-              c: "$(brew --prefix llvm@15)/bin/clang",
-              cxx: "$(brew --prefix llvm@15)/bin/clang++",
-            },
             {
               c: "$(brew --prefix llvm@16)/bin/clang",
               cxx: "$(brew --prefix llvm@16)/bin/clang++",
@@ -107,7 +102,6 @@ jobs:
       matrix:
         compiler:
           [
-            { c: "gcc-11", cxx: "g++-11" },
             { c: "gcc-12", cxx: "g++-12" },
             { c: "gcc-13", cxx: "g++-13" },
             {

CMakeLists.txt

@@ -22,12 +22,6 @@ target_include_directories(${PROJECT_NAME} INTERFACE
     $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
 set_target_properties(${PROJECT_NAME} PROPERTIES VERSION ${PROJECT_VERSION})
 
-# for LLVM 15
-if(APPLE AND "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" AND ${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 16)
-    # "_LIBCPP_ENABLE_EXPERIMENTAL" is a workaround to enable ranges library for LLVM15 (at least 15)
-    target_compile_definitions(${PROJECT_NAME} INTERFACE _LIBCPP_ENABLE_EXPERIMENTAL)
-endif()
-
 # for MSVC
 if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
     target_compile_options(${PROJECT_NAME} INTERFACE /Zc:preprocessor)

README.md

@@ -40,7 +40,7 @@ Ultra-fast and intuitive C++ JSON reader/writer with yyjson backend.
 ## Requirements
 
 -   C++20 compiler with range supports
-    -   LLVM >= 15.0 (full supports after 16.0)
+    -   LLVM >= 16
     -   GCC >= 12
     -   clang-cl >= 17 (Windows)
     -   Visual Studio >= 2022 version 17.5