# ------------------------------------------------------------ #
# -------------- DO NOT TOUCH BELOW THIS LINE ---------------- #
# ------------------------------------------------------------ #

# this must be the first line of a CMake script.
# sets the lowerbound on what CMake version can be used.
cmake_minimum_required(VERSION 3.0)

# the name of this CMake project and what language it uses
# we could list more languages if we were using more.
project(COMP6771_LAB_001 LANGUAGES CXX)

# we use C++20
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED YES)
set(CMAKE_CXX_EXTENSIONS NO)

# this is helpful for editors like VS Code
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

# helpful compiler flags for gcc/clang
# the descriptions for these flags can be found on the GNU Compiler Collection's webpage.
add_compile_options(
  -Wall
  -Wextra
  -pedantic-errors
  -Wconversion
  -Wsign-conversion
  -Wdouble-promotion
  -Wcast-align
  -Wformat=2
  -Wuninitialized
  -Wnon-virtual-dtor
  -Woverloaded-virtual
  -Wdeprecated-copy-dtor
  -Wold-style-cast
  -Wzero-as-null-pointer-constant
  -Wsuggest-override
  -fstack-protector-strong
  -O2
)

# debug builds should be compiled with sanitizers
# sanitizers are small libraries that check things like buffer overrun with minimal runtime overhead.
set(CMAKE_CXX_FLAGS_DEBUG_INIT "-fsanitize=address,undefined")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "-fsanitize=address,undefined")
set(CMAKE_CXX_EXE_LINKER_FLAGS_DEBUG_INIT "-fsanitize=address,undefined")
set(CMAKE_CXX_EXE_LINKER_FLAGS_RELWITHDEBINFO_INIT "-fsanitize=address,undefined")


# add the testing library Catch2
enable_testing()
add_library(catch2_main lib/catch2_main.cpp)
target_include_directories(catch2_main PUBLIC lib)
# link the library so that other programs can get it
link_libraries(catch2_main)

# ------------------------------------------------------------ #
# -------------- DO NOT MODIFY ABOVE THIS LINE --------------- #
# ------------------------------------------------------------ #

# make sure english.txt is with the build files
configure_file(src/english.txt english.txt COPYONLY)

# adding word_ladder library
add_library(word_ladder src/word_ladder.cpp)
link_libraries(word_ladder)

# adding main file
add_executable(debugging src/main.cpp)

# adding test file
add_executable(word_ladder_test_exe src/word_ladder.test.cpp)
add_test(word_ladder_test word_ladder_test_exe)

# adding benchmark file
add_executable(word_ladder_benchmark_exe src/word_ladder_benchmark.test.cpp)
add_test(word_ladder_benchmark word_ladder_benchmark_exe)