# 
# hello/CMakeLists.txt --
#

cmake_minimum_required(VERSION 3.12)

project(HELLO)
set(CMAKE_C_STANDARD 99)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_C_EXTENSIONS OFF)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
if(CMAKE_C_COMPILER_ID MATCHES "Clang|GNU")
  add_compile_options(-Wall -Wextra -pedantic -Werror)
endif()
if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
  set(LINUX TRUE)
endif()
find_package(PkgConfig REQUIRED)

add_executable(hello-naive hello-naive.c)
if(${LINUX})
  add_executable(hello-naive-static hello-naive.c)
  target_link_options(hello-naive-static PRIVATE -static)
endif()
add_executable(hello-stdio hello-stdio.c)
add_executable(hello-sleep hello-sleep.c)
add_executable(hello-signal hello-signal.c)
add_executable(hello-write hello-write.c)
if(${LINUX})
  add_executable(hello-write-static hello-write.c)
  target_link_options(hello-write-static PRIVATE -static)
endif()
add_executable(hello-writev hello-writev.c)
if(${LINUX})
  add_executable(hello-syscall hello-syscall.c)
endif()
add_executable(hello-atexit hello-atexit.c)
add_executable(hello-snowman hello-snowman.c)
add_executable(hello-gettext hello-gettext.c)
add_executable(hello-cpp hello-cpp.cc)

add_executable(hello-dll hello-dll.c)
target_link_libraries(hello-dll "-ldl")

if(${LINUX})
  enable_language(ASM)
  if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "x86_64")
    add_executable(hello-x64-libc hello-x64-libc.s)
    target_link_options(hello-x64-libc PRIVATE -static)
    add_executable(hello-x64-syscall hello-x64-syscall.s)
    target_link_options(hello-x64-syscall PRIVATE -static -nostdlib)
  endif()
  if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "rv64")
    add_executable(hello-rv64-libc hello-rv64-libc.s)
    target_link_options(hello-rv64-libc PRIVATE -static)
    add_executable(hello-rv64-syscall hello-rv64-syscall.s)
    target_link_options(hello-rv64-syscall PRIVATE -static -nostdlib)
  endif()
endif()

pkg_check_modules(GLIB2 glib-2.0)
add_definitions(${GLIB2_CFLAGS})
add_executable(hello-glib hello-glib.c)
target_link_libraries(hello-glib ${GLIB2_LDFLAGS})
add_executable(hello-glib-event hello-glib-event.c)
target_link_libraries(hello-glib-event ${GLIB2_LDFLAGS})
add_executable(hello-glib-threads hello-glib-event.c)
target_link_libraries(hello-glib-threads ${GLIB2_LDFLAGS})

pkg_check_modules(NCURSES ncurses)
add_definitions(${NCURSES_CFLAGS})
add_executable(hello-ncurses hello-ncurses.c)
target_link_libraries(hello-ncurses ${NCURSES_LDFLAGS})

find_package(Intl REQUIRED)
target_link_libraries(hello-gettext ${Intl_LIBRARIES})
target_include_directories(hello-gettext PUBLIC ${Intl_INCLUDE_DIRS})