diff --git a/CMakeLists.txt b/CMakeLists.txt
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+cmake_minimum_required(VERSION 3.2)
+
+# gosthopper project declaration
+project(gosthopper VERSION 0.3.5 LANGUAGES C)
+
+# Setting gosthopper global options
+option(ENABLE_PRECALCULATIONS "Use optimised implementation with precalculated tables" OFF)
+option(ENABLE_SIMD            "Enable SIMD code optimisations"                         OFF)
+
+
+##########################################################################################
+##                                                                                      ##
+##                                    gost15 library                                    ##
+##                                                                                      ##
+##########################################################################################
+## Setting up gost15 library sources and compiler features
+add_library(gost15)
+add_library(gosthopper::gost15 ALIAS gost15)
+
+if (ENABLE_PRECALCULATIONS AND ENABLE_SIMD)
+    message(WARNING "Building SIMD implementation version.")
+    target_sources(gost15 PRIVATE src/SIMD.c src/tables.c src/SIMD_tables.c)
+elseif(ENABLE_PRECALCULATIONS)
+    message(WARNING "Building optimised implementation version.")
+    target_sources(gost15 PRIVATE src/optimised.c src/tables.c src/optimised_tables.c)
+else()
+    message(WARNING "Building compact implementation version.")
+    target_sources(gost15 PRIVATE src/compact.c src/tables.c)
+endif()
+
+target_include_directories(gost15 PUBLIC include PRIVATE src)
+target_compile_features(gost15 PUBLIC c_restrict)
+set_target_properties(gost15 PROPERTIES C_EXTENSIONS OFF)
+
+## Selecting implementation version
+if(ENABLE_PRECALCULATIONS)
+    target_compile_definitions(gost15 PRIVATE USE_OPTIMISED_IMPLEMENTATION)
+endif()
+
+## Setting GCC specific flags
+if(CMAKE_C_COMPILER_ID MATCHES "GNU")
+    target_compile_options(gost15 PRIVATE $<$<CONFIG:Debug>:-march=native -pedantic -Wall -Wextra -Werror -Wno-unused-function -g -O0>)
+    target_compile_options(gost15 PRIVATE $<$<CONFIG:Release>:-march=native -O3>)
+
+    if(NOT ENABLE_SIMD)
+        message(WARNING "Disabling SIMD instructions optimisation.")
+        target_compile_options(gost15 PRIVATE -mno-sse)
+    endif()
+
+## Setting Clang specific flags
+elseif(CMAKE_C_COMPILER_ID MATCHES "Clang")
+    target_compile_options(gost15 PRIVATE $<$<CONFIG:DEBUG>:-march=native -Weverything -Werror -Wno-unused-function -Wno-cast-align -g -O0>)
+    target_compile_options(gost15 PRIVATE $<$<CONFIG:RELEASE>:-march=native -O3>)
+
+    if(NOT ENABLE_SIMD)
+        message(WARNING "Disabling SIMD instructions optimisation.")
+        target_compile_options(gost15 PRIVATE -mno-sse)
+    endif()
+
+    get_target_property(GOST15_COMPILE_OPTIONS gost15 COMPILE_OPTIONS)
+endif()
+
+
+
+##########################################################################################
+##                                                                                      ##
+##                                      Selftests                                       ##
+##                                                                                      ##
+##########################################################################################
+## Selftests currently are just a target
+## (CTest support in the future?)
+add_executable(selftests tests/selftests_gost.c)
+target_link_libraries(selftests PUBLIC gosthopper::gost15)
+
+
+
+##########################################################################################
+##                                                                                      ##
+##                                      Benchmark                                       ##
+##                                                                                      ##
+##########################################################################################
+add_executable(benchmark tests/benchmark.c)
+target_link_libraries(benchmark PUBLIC gosthopper::gost15)