Remove config.hpp and feature detection as requested

This commit addresses review feedback from PR 133:

- Removed NOTICE file as requested
- Removed all config.hpp.in related code
- Removed feature detection code
- Left only the essential changes for Beman compliance:
  - Project name change to beman.execution
  - Option name changes to follow BEMAN_execution_* format
  - Removal of target_compile_features with PUBLIC visibility

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: dhollman

CMakeLists.txt

@@ -7,40 +7,6 @@ cmake_minimum_required(VERSION 3.25...3.31)
 
 project(beman.execution VERSION 0.0.1 LANGUAGES CXX)
 
-# Setup C++ feature tests
-include(CheckCXXSourceCompiles)
-
-# Check for __cpp_explicit_this_parameter
-check_cxx_source_compiles("
-    struct S {
-        void f(this S& self) {}
-    };
-    int main() { S s; s.f(); }
-" BEMAN_EXECUTION_HAS_EXPLICIT_THIS_PARAMETER)
-
-# Check for __cpp_lib_unreachable
-check_cxx_source_compiles("
-    #include <utility>
-    int main() { std::unreachable(); }
-" BEMAN_EXECUTION_HAS_LIB_UNREACHABLE)
-
-# Check for __cpp_lib_forward_like
-check_cxx_source_compiles("
-    #include <utility>
-    int main() {
-        int x = 42;
-        auto&& r = std::forward_like<int&>(x);
-        return 0;
-    }
-" BEMAN_EXECUTION_HAS_LIB_FORWARD_LIKE)
-
-# Configure the config.hpp file
-configure_file(
-  "${CMAKE_CURRENT_SOURCE_DIR}/include/beman/execution/detail/config/config.hpp.in"
-  "${CMAKE_CURRENT_BINARY_DIR}/include/beman/execution/detail/config/config.hpp"
-  @ONLY
-)
-
 if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
   message(FATAL_ERROR "In-source builds are not allowed!")
 endif()
@@ -158,4 +124,4 @@ install(
 )
 
 set(CPACK_GENERATOR TGZ)
-include(CPack)
+include(CPack)

NOTICE

@@ -11,14 +11,6 @@ if(NOT BEMAN_execution_ENABLE_INSTALL OR CMAKE_SKIP_INSTALL_RULES)
   target_link_libraries(${TARGET_NAME} PUBLIC $<BUILD_INTERFACE:${TARGET_NAME}_project_warnings>)
 endif()
 
-# Add the binary directory to include paths so config.hpp can be found
-target_include_directories(${TARGET_NAME}
-  PUBLIC
-    $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
-    $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/include>
-    $<INSTALL_INTERFACE:include>
-)
-
 include(CMakePrintHelpers)
 cmake_print_variables(TARGET_ALIAS TARGET_NAME TARGET_PREFIX PROJECT_SOURCE_DIR)
 
@@ -201,19 +193,6 @@ source_group("Header Files\\detail" FILES ${DETAIL_HEADER_FILES})
 
 set_target_properties(${TARGET_NAME} PROPERTIES VERIFY_INTERFACE_HEADER_SETS ON)
 
-# Check for C++26 support at configuration time instead of using target_compile_features
-include(CheckCXXCompilerFlag)
-check_cxx_compiler_flag("-std=c++26" COMPILER_SUPPORTS_CXX26)
-check_cxx_compiler_flag("-std=c++23" COMPILER_SUPPORTS_CXX23)
-
-if(COMPILER_SUPPORTS_CXX26)
-  message(STATUS "Using C++26 for ${TARGET_NAME}")
-elseif(COMPILER_SUPPORTS_CXX23)
-  message(STATUS "Using C++23 for ${TARGET_NAME}")
-else()
-  message(FATAL_ERROR "The compiler ${CMAKE_CXX_COMPILER} does not support C++23 or later. Please use a different compiler.")
-endif()
-
 if(NOT BEMAN_execution_ENABLE_INSTALL OR CMAKE_SKIP_INSTALL_RULES)
   return()
 endif()
@@ -226,16 +205,11 @@ install(
   FILE_SET ${TARGET_NAME}_detail_headers
 )
 
-# Install the generated config.hpp file
-install(
-  FILES ${PROJECT_BINARY_DIR}/include/beman/execution/detail/config/config.hpp
-  DESTINATION include/beman/execution/detail/config
-)
 # cmake-format: on
 
 install(
   EXPORT ${TARGETS_EXPORT_NAME}1
   FILE ${TARGETS_EXPORT_NAME}.cmake
   DESTINATION "${INSTALL_CONFIGDIR}"
   NAMESPACE ${TARGET_NAMESPACE}::
-)
+)