-cmake_minimum_required(VERSION 2.8)
-project(ccgost)
-
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c98 -O3 -Werror -Wall")
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0 -Werror")
-
-set(GOST_INCLUDE_DIRECTORIES "${OPENSSL_PATH}/include" "${OPENSSL_PATH}/crypto/include")
-
-set(GOST_LINK_DIRECTORIES "${OPENSSL_PATH}")
-
-include_directories("${GOST_INCLUDE_DIRECTORIES}")
+cmake_minimum_required(VERSION 3.0 FATAL_ERROR)
+project(gost-engine LANGUAGES C)
+
+include(GNUInstallDirs)
+
+find_package(OpenSSL 1.1 REQUIRED)
+include_directories(${OPENSSL_INCLUDE_DIR})
+
+if (CMAKE_C_COMPILER_ID MATCHES "Clang")
+ add_compile_options(-Qunused-arguments)
+elseif(CMAKE_C_COMPILER_ID MATCHES "GNU")
+ add_compile_options(-O2 -Werror -Wall -Wno-unused-parameter -Wno-unused-function -Wno-missing-braces -ggdb)
+elseif(CMAKE_C_COMPILER_ID MATCHES "MSVC")
+ add_definitions(-D_CRT_SECURE_NO_WARNINGS)
+ add_definitions(-D_CRT_DEPRECATED_NO_WARNINGS)
+ add_definitions(-D_CRT_NONSTDC_NO_WARNINGS)
+ add_compile_options(/MP /WX /W4 /wd4100 /wd4267 /wd4206 /wd4706 /wd4244 /wd4115)
+endif()
+
+set(CMAKE_C_STANDARD 90)
+
+include (TestBigEndian)
+TEST_BIG_ENDIAN(IS_BIG_ENDIAN)
+if(IS_BIG_ENDIAN)
+ message(STATUS "BIG_ENDIAN")
+else()
+ message(STATUS "LITTLE_ENDIAN")
+ add_definitions(-DL_ENDIAN)
+endif()