add some options to CMakeLists.txt to enable build against custom libs (including option to use find_package for threads to ensure correct link order with pthreads)

This commit is contained in:
Ed Bordin 2020-07-25 14:06:25 +10:00
parent d24c63ec8a
commit 4bdf8a0dd5
1 changed files with 24 additions and 15 deletions

View File

@ -6,32 +6,36 @@ project(openFPGALoader VERSION 0.1 LANGUAGES CXX)
option(BUILD_STATIC "Whether or not to build with static libraries" OFF) option(BUILD_STATIC "Whether or not to build with static libraries" OFF)
option(ENABLE_UDEV "use udev to search JTAG adapter from /dev/xx" ON) option(ENABLE_UDEV "use udev to search JTAG adapter from /dev/xx" ON)
option(USE_PKGCONFIG "Use pkgconfig to find libraries" ON)
option(LINK_CMAKE_THREADS "Use CMake find_package to link the threading library" OFF)
## specify the C++ standard ## specify the C++ standard
set(CMAKE_CXX_STANDARD 11) set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED True) set(CMAKE_CXX_STANDARD_REQUIRED True)
set(CMAKE_CXX_FLAGS_DEBUG "-g -Wall -Wextra") set(CMAKE_CXX_FLAGS_DEBUG "-g -Wall -Wextra ${CMAKE_CXX_FLAGS_DEBUG}")
if (BUILD_STATIC) if (BUILD_STATIC)
set(CMAKE_EXE_LINKER_FLAGS "-static-libstdc++ -static") set(CMAKE_EXE_LINKER_FLAGS "-static-libstdc++ -static ${CMAKE_EXE_LINKER_FLAGS}")
set(BUILD_SHARED_LIBS OFF) set(BUILD_SHARED_LIBS OFF)
endif() endif()
include(GNUInstallDirs) include(GNUInstallDirs)
# By default: DATA_DIR="/usr/local/share" # By default: DATA_DIR="/usr/local/share"
add_definitions(-DDATA_DIR=\"${CMAKE_INSTALL_FULL_DATAROOTDIR}\") add_definitions(-DDATA_DIR=\"${CMAKE_INSTALL_FULL_DATAROOTDIR}\")
find_package(PkgConfig REQUIRED) if(USE_PKGCONFIG)
pkg_check_modules(LIBFTDI REQUIRED libftdi1) find_package(PkgConfig REQUIRED)
pkg_check_modules(LIBUSB REQUIRED libusb-1.0) pkg_check_modules(LIBFTDI REQUIRED libftdi1)
pkg_check_modules(LIBUSB REQUIRED libusb-1.0)
if(ENABLE_UDEV) if(ENABLE_UDEV)
pkg_check_modules(LIBUDEV libudev) pkg_check_modules(LIBUDEV libudev)
if (LIBUDEV_FOUND) if (LIBUDEV_FOUND)
add_definitions(-DUSE_UDEV) add_definitions(-DUSE_UDEV)
else() else()
message("libudev not found, disabling udev support and -d parameter") message("libudev not found, disabling udev support and -D parameter")
set(ENABLE_UDEV OFF) set(ENABLE_UDEV OFF)
endif()
endif() endif()
endif() endif()
@ -133,12 +137,17 @@ if (BUILD_STATIC)
endif() endif()
endif() endif()
if (LINK_CMAKE_THREADS)
find_package(Threads REQUIRED)
target_link_libraries(openFPGALoader Threads::Threads)
endif()
# libftdi < 1.4 as no usb_addr # libftdi < 1.4 as no usb_addr
if (${LIBFTDI_VERSION} VERSION_LESS 1.4) if (${LIBFTDI_VERSION} VERSION_LESS 1.4)
set(CMAKE_CXX_FLAGS "-DOLD_FTDI_VERSION=1") set(CMAKE_CXX_FLAGS "-DOLD_FTDI_VERSION=1 ${CMAKE_CXX_FLAGS}")
else() else()
set(CMAKE_CXX_FLAGS "-DOLD_FTDI_VERSION=0") set(CMAKE_CXX_FLAGS "-DOLD_FTDI_VERSION=0 ${CMAKE_CXX_FLAGS}")
endif() endif()
install(TARGETS openFPGALoader DESTINATION bin) install(TARGETS openFPGALoader DESTINATION bin)