set 17 as min

CMakeLists.txt

@@ -29,8 +29,7 @@ endif()
 
 message("${Magenta}>> PRESSIO: CMAKE_CXX_STANDARD is set to ${CMAKE_CXX_STANDARD} ${ColourReset}")
 
-if(CMAKE_CXX_STANDARD STREQUAL "14"
-    OR CMAKE_CXX_STANDARD STREQUAL "17"
+if(CMAKE_CXX_STANDARD STREQUAL "17"
     OR CMAKE_CXX_STANDARD STREQUAL "20")
   if(NOT "cxx_std_${CMAKE_CXX_STANDARD}" IN_LIST CMAKE_CXX_COMPILE_FEATURES)
     message(FATAL_ERROR "Compiler does not support C++${CMAKE_CXX_STANDARD}. This is required.")

include/pressio/macros.hpp

@@ -62,18 +62,13 @@
 #define _PRESSIO_CPLUSPLUS __cplusplus
 #endif
 
-#define PRESSIO_CXX_STD_11 201103L
-#define PRESSIO_CXX_STD_14 201402L
 #define PRESSIO_CXX_STD_17 201703L
 #define PRESSIO_CXX_STD_20 202002L
-static_assert(_PRESSIO_CPLUSPLUS >= PRESSIO_CXX_STD_14, "PRESSIO requires C++14 or greater.");
+static_assert(_PRESSIO_CPLUSPLUS >= PRESSIO_CXX_STD_17, "PRESSIO requires C++17 or greater.");
 
 #if defined PRESSIO_ENABLE_CXX20
 #define PRESSIO_ENABLE_CXX17
 #endif
-#if defined PRESSIO_ENABLE_CXX17
-#define PRESSIO_ENABLE_CXX14
-#endif
 
 // ----------------------------------------
 // logging macros

tests/cmake/options.cmake

@@ -1,10 +1,7 @@
-option(PRESSIO_ENABLE_CXX14 "Enable C++14" OFF)
 option(PRESSIO_ENABLE_CXX17 "Enable C++17" OFF)
 option(PRESSIO_ENABLE_CXX20 "Enable C++20" OFF)
 
-if (CMAKE_CXX_STANDARD EQUAL 14)
-  add_definitions(-DPRESSIO_ENABLE_CXX14)
-elseif(CMAKE_CXX_STANDARD EQUAL 17)
+if(CMAKE_CXX_STANDARD EQUAL 17)
   add_definitions(-DPRESSIO_ENABLE_CXX17)
 elseif(CMAKE_CXX_STANDARD EQUAL 20)
   add_definitions(-DPRESSIO_ENABLE_CXX20)