cmake_minimum_required(VERSION 3.5)

project(shell C)

set(CMAKE_C_COMPILER gcc)
set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED True)

add_executable(prog prog.c)
add_executable(shell shell.c)
target_link_libraries(shell PRIVATE array prompt_utils process)
add_compile_definitions(_GNU_SOURCE)

add_library(array array.c)

add_library(prompt_utils prompt_utils.c)
target_link_libraries(prompt_utils PRIVATE array)

add_executable(prompt_utils_test prompt_utils_test.c)
target_link_libraries(prompt_utils_test PRIVATE prompt_utils array)

add_library(process process.c)
target_link_libraries(process PRIVATE array)

add_executable(process_test process_test.c)
target_link_libraries(process_test PRIVATE process)



set(CLANG_WARNINGS
        -Wall
        -Wextra # reasonable and standard
        -Wshadow # warn the user if a variable declaration shadows one from a
        # parent context
        -Wcast-align # warn for potential performance problem casts
        -Wunused # warn on anything being unused
        -Wpedantic # warn if non-standard C++ is used
        -Wconversion # warn on type conversions that may lose data
        -Wsign-conversion # warn on sign conversions
        -Wnull-dereference # warn if a null dereference is detected
        -Wdouble-promotion # warn if float is implicit promoted to double
        -Wformat=2 # warn on security issues around functions that format output
        # (ie printf)
        -Werror
        )
set(GCC_WARNINGS
        ${CLANG_WARNINGS}
        -Wmisleading-indentation # warn if indentation implies blocks where blocks
        # do not exist
        -Wduplicated-cond # warn if if / else chain has duplicated conditions
        -Wduplicated-branches # warn if if / else branches have duplicated code
        -Wlogical-op # warn about logical operations being used where bitwise were
        # probably wanted
        )
set(PROJECT_WARNINGS ${GCC_WARNINGS})
target_compile_options(shell INTERFACE ${PROJECT_WARNINGS})
target_compile_options(prompt_utils INTERFACE ${PROJECT_WARNINGS})