cmake_minimum_required(VERSION 2.6) project(libam7xxx C) include (GNUInstallDirs) set(PROJECT_DESCRIPTION "Communication library for Actions Micro AM7XXX based USB projectors and DPFs") set(PROJECT_VER_MAJOR 0) set(PROJECT_VER_MINOR 1) set(PROJECT_VER_PATCH 7) set(PROJECT_VER_EXTRA "") set(PROJECT_VER "${PROJECT_VER_MAJOR}.${PROJECT_VER_MINOR}.${PROJECT_VER_PATCH}${PROJECT_VER_EXTRA}") set(PROJECT_APIVER "${PROJECT_VER_MAJOR}.${PROJECT_VER_MINOR}") set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake_modules/") OPTION(STRICT_COMPILATION_CHECKS "Enable stricter compilation checks" OFF) include (MaintenanceTools) set(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR}/bin) set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib) set(DOC_OUTPUT_PATH ${CMAKE_BINARY_DIR}/doc) # Because cmake cannot deal sanely with multiline strings. SRSLY? # See http://www.vtkedge.org/Bug/view.php?id=8362&nbn=8 macro(add_flags var) string(REPLACE ";" " " _flags "${ARGN}") set(${var} "${${var}} ${_flags}") endmacro(add_flags) string(REGEX MATCH "clang" CMAKE_COMPILER_IS_CLANG "${CMAKE_C_COMPILER}") if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_CLANG) add_definitions(-Wall) # let CFLAGS env override this if(CMAKE_C_FLAGS STREQUAL "") set(CMAKE_C_FLAGS "-std=c99 -pedantic -Wall -Wextra") endif() add_flags(CMAKE_C_FLAGS -fvisibility=hidden -fno-common -Wall -Wextra -Wformat=2 -Winit-self -Winline -Wpacked -Wpointer-arith -Wlarger-than-65500 -Wmissing-declarations -Wmissing-format-attribute -Wmissing-noreturn -Wmissing-prototypes -Wnested-externs -Wold-style-definition -Wredundant-decls -Wsign-compare -Wstrict-aliasing=2 -Wstrict-prototypes -Wswitch-enum -Wundef -Wunreachable-code -Wwrite-strings) include(CheckCCompilerFlag) CHECK_C_COMPILER_FLAG(-fstack-protector-strong COMPILER_SUPPORTS_STACK_PROTECTOR_STRONG) if (COMPILER_SUPPORTS_STACK_PROTECTOR_STRONG) add_flags(CMAKE_C_FLAGS -fstack-protector-strong) else() add_flags(CMAKE_C_FLAGS -fstack-protector) endif() add_flags(DEBUG_FLAGS -ggdb) add_flags(RELEASE_FLAGS -Wp,-D_FORTIFY_SOURCE=2) if (STRICT_COMPILATION_CHECKS) add_flags(STRICT_FLAGS -Werror # sign conversion warnings can be very noisy for a very little gain #-Wsign-conversion # NOTE: Vanilla libusb-1.0.8 can't live with -pedantic-errors -pedantic-errors) endif() endif() if (CMAKE_COMPILER_IS_GNUCC) add_flags(CMAKE_C_FLAGS -Wunsafe-loop-optimizations --param=ssp-buffer-size=4) if (STRICT_COMPILATION_CHECKS) add_flags(STRICT_FLAGS # NOTE: GCC >= 4.6 is needed for -Wunused-but-set-variable -Wunused-but-set-variable) endif() endif() if (CMAKE_COMPILER_IS_CLANG) if (STRICT_COMPILATION_CHECKS) add_flags(STRICT_FLAGS -Wshorten-64-to-32) endif() endif() set(CMAKE_C_FLAGS_DEBUG "-O0 -DDEBUG=1 ${DEBUG_FLAGS} ${STRICT_FLAGS}") set(CMAKE_C_FLAGS_RELEASE "-O2 ${RELEASE_FLAGS} ${STRICT_FLAGS}") set(CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 ${RELEASE_FLAGS} ${DEBUG_FLAGS} ${STRICT_FLAGS}") # Add library project add_subdirectory(src) add_subdirectory(examples) add_subdirectory(doc)