cmake_minimum_required(VERSION 2.8.8)
project(m13)

include(CTest)

set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/")

# Use cmake's automoc and make sure the generated files are included
set(CMAKE_AUTOMOC ON)
set(CMAKE_INCLUDE_CURRENT_DIR ON)

# Default to debug build
if (NOT CMAKE_BUILD_TYPE)
  set (CMAKE_BUILD_TYPE Debug)
endif (NOT CMAKE_BUILD_TYPE)

find_package(Qt5Widgets REQUIRED)

include_directories(${Qt5Widgets_INCLUDE_DIRS})
add_definitions(${Qt5Widgets_DEFINITIONS})

set(CERTIFICATELIST_SOURCES
    ${CMAKE_SOURCE_DIR}/ui/certificatelist.cpp
    ${CMAKE_SOURCE_DIR}/ui/certificate.cpp
    ${CMAKE_SOURCE_DIR}/ui/certificate_win.cpp
    ${CMAKE_SOURCE_DIR}/ui/certificate_linux.cpp
    ${CMAKE_SOURCE_DIR}/common/listutil.c
)

set(M13UI_SOURCES
    ${CMAKE_SOURCE_DIR}/ui/mainwindow.cpp
    ${CMAKE_SOURCE_DIR}/ui/downloader.cpp
    ${CMAKE_SOURCE_DIR}/ui/downloader_win.cpp
    ${CMAKE_SOURCE_DIR}/ui/downloader_linux.cpp
    ${CMAKE_SOURCE_DIR}/ui/main.cpp
    ${CERTIFICATELIST_SOURCES}
)

# Seperated to make it easier to include the sources in tests
set(M13UI_RESOURCES
   ${CMAKE_SOURCE_DIR}/ui/icons.qrc
   ${CMAKE_SOURCE_DIR}/ui/certs.qrc
)

# Warn level to be used for privileged parts
set(WARN_HARDENING_FLAGS " -Wextra -Wconversion -Wformat-security")

# Hardening flags
set(HARDENING_FLAGS " -Wall -Werror -fstack-protector-all -fno-exceptions")
set(HARDENING_FLAGS " ${HARDENING_FLAGS} -Wstack-protector")
set(HARDENING_FLAGS " ${HARDENING_FLAGS} --param ssp-buffer-size=4")
set(HARDENING_FLAGS " ${HARDENING_FLAGS} -D_FORTIFY_SOURCE=2 -O0 -fprofile-arcs -ftest-coverage")

SET(CMAKE_EXE_LINKER_FLAGS="-fprofile-arcs -ftest-coverage")

if(UNIX)
   # See: https://bugreports.qt-project.org/browse/QTBUG-35918
   # XCB_EXTRA_LIBS should be gotten automatically.
   # The following list is taken from the .pri file
   get_target_property(_loc Qt5::Widgets LOCATION)
   get_filename_component(_qtpath ${_loc} PATH)
   set(XCB_EXTRA_LIBS -static -static-libgcc
      -L${_qtpath}
      -lX11 -lX11-xcb -lXi -lxcb-render-util -lXrender -lSM -lICE -lxcb-render -ldbus-1
      -lxcb -lxcb-image -lxcb-icccm -lxcb-sync -lxcb-xfixes -lxcb-shm -lxcb-randr
      -lxcb-shape -lxcb-keysyms -lQt5PlatformSupport
      -lfreetype -lQt5DBus -lQt5Gui -ljpeg -lpng -lQt5Core
      -lz -lm -ldl -lrt -lpthread)

   set(EXTRA_STATIC_LIBS -lz -lpthread -ldl -lpng -ljpeg
      Qt5::QXcbIntegrationPlugin ${XCB_EXTRA_LIBS})

   set(HARDENING_FLAGS " ${HARDENING_FLAGS} -pie -fPIE -ftrapv")
   set(HARDENING_FLAGS " ${HARDENING_FLAGS} -Wl,-z,relro,-z,now")
elseif(WIN32)
   get_target_property(_loc Qt5::Widgets LOCATION)
   get_filename_component(_qtpath ${_loc} PATH)
   set(WINDOWS_EXTRA_LIBS
        -L${_qtpath}
        -lwinspool -lshlwapi -lfreetype -lbz2 -lpng16
        -lQt5PlatformSupport -lQt5Gui -lcomdlg32 -loleaut32 -limm32 -lwinmm
        -lglu32 -lopengl32 -lgdi32 -ljpeg -lpng -lQt5Core -lole32 -luuid -lws2_32
        -ladvapi32 -lshell32 -luser32 -lkernel32 -lz -lsicuin -lsicuuc -lsicudt -lpcre16)

   set(EXTRA_STATIC_LIBS Qt5::QWindowsIntegrationPlugin ${WINDOWS_EXTRA_LIBS} -lwinhttp -lcrypt32)

   set(HARDENING_FLAGS " ${HARDENING_FLAGS} -Wl,--dynamicbase -Wl,--nxcompat")
endif()

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${Qt5Widgets_EXECUTABLE_COMPILE_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${HARDENING_FLAGS}")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARN_HARDENING_FLAGS} ${HARDENING_FLAGS}")

# Adding resources here in an extra variable to enable reuse of
# M13UI_SOURCES in the test subdirectory.
set(M13UI_SOURCES_WITH_RESOURCES ${M13UI_SOURCES})
qt5_add_resources(M13UI_SOURCES_WITH_RESOURCES ${M13UI_RESOURCES})
add_executable(m13ui ${M13UI_SOURCES_WITH_RESOURCES})

target_link_libraries(m13ui Qt5::Widgets ${EXTRA_STATIC_LIBS} gcov)

add_custom_target(static_check)

# CPPCheck
include(GenerateCppcheck)
generate_cppcheck(SOURCES ${CINST_SOURCES} ${M13UI_SOURCES} TARGET_NAME m13)
add_dependencies(static_check cppcheck)

# FlawFinder
find_program(FLAWFINDER_PATH flawfinder DOC "flawfinder path")
if (FLAWFINDER_PATH)
    add_custom_target(flawfinder COMMENT "FlawFinder" VERBATIM COMMAND ${FLAWFINDER_PATH}
       ${CMAKE_SOURCE_DIR}/ui
       ${CMAKE_SOURCE_DIR}/cinst
       ${CMAKE_SOURCE_DIR}/common
    )
    add_dependencies(static_check flawfinder)
endif (FLAWFINDER_PATH)

# Tests
add_subdirectory(tests)
add_subdirectory(cinst)

# Documentation
configure_file (doc/Doxyfile.in doc/Doxyfile)
add_subdirectory(doc)