BUILD: Refactor libusb submodule (#10169)

* relocate module files * fix cmake errors * moved & updated libusb MSVC build file
2021-04-29 16:50:18 +01:00
parent 5724d2d4c7
commit dece8a69f6
16 changed files with 154 additions and 154 deletions
@@ -0,0 +1,96 @@
+include(CheckCXXCompilerFlag)
+include(CheckIncludeFiles)
+include(CheckTypeSize)
+
+if (${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
+	if (NOT OS_WINDOWS)
+		# mingw appears to print a bunch of warnings about this
+		check_cxx_compiler_flag("-fvisibility=hidden" HAVE_VISIBILITY)
+	endif()
+	check_cxx_compiler_flag("-Wno-pointer-sign" HAVE_WARN_NO_POINTER_SIGN)
+
+	set(_GNU_SOURCE 1 CACHE INTERNAL "" FORCE)
+
+	unset(ADDITIONAL_CC_FLAGS)
+
+	if (HAVE_VISIBILITY)
+		list(APPEND ADDITIONAL_CC_FLAGS -fvisibility=hidden)
+	endif()
+
+	if (HAVE_WARN_NO_POINTER_SIGN)
+		list(APPEND ADDITIONAL_CC_FLAGS -Wno-pointer-sign)
+	endif()
+
+	append_compiler_flags(
+		-std=gnu99
+		-Wall
+		-Wundef
+		-Wunused
+		-Wstrict-prototypes
+		-Werror-implicit-function-declaration
+		-Wshadow
+		${ADDITIONAL_CC_FLAGS}
+	)
+elseif(MSVC)
+	add_definitions(-D_CRT_SECURE_NO_WARNINGS)
+endif()
+
+check_include_files(sys/timerfd.h USBI_TIMERFD_AVAILABLE)
+#check_type_size(struct timespec STRUCT_TIMESPEC)
+
+if (HAVE_VISIBILITY)
+	set(DEFAULT_VISIBILITY "__attribute__((visibility(\"default\")))" CACHE INTERNAL "visibility attribute to function decl" FORCE)
+else()
+	set(DEFAULT_VISIBILITY "" CACHE INTERNAL "visibility attribute to function decl" FORCE)
+endif()
+
+if (NOT WITHOUT_POLL_H)
+	check_include_files(poll.h HAVE_POLL_H)
+else()
+	set(HAVE_POLL_H FALSE CACHE INTERNAL "poll.h explicitely disabled" FORCE)
+endif()
+
+if (HAVE_POLL_H)
+	list(APPEND CMAKE_EXTRA_INCLUDE_FILES "poll.h")
+	check_type_size(nfds_t NFDS_T)
+	unset(CMAKE_EXTRA_INCLUDE_FILES)
+else()
+	set(HAVE_NFDS_T FALSE CACHE INTERNAL "poll.h not found - assuming no nfds_t (windows)" FORCE)
+	set(NFDS_T "" CACHE INTERNAL "" FORCE)
+endif()
+
+if (HAVE_NFDS_T)
+	set(POLL_NFDS_TYPE nfds_t CACHE INTERNAL "the poll nfds types for this platform" FORCE)
+else()
+	set(POLL_NFDS_TYPE "unsigned int" CACHE INTERNAL "the poll nfds for this platform" FORCE)
+endif()
+
+if (OS_WINDOWS)
+	macro(copy_header_if_missing HEADER VARIABLE ALTERNATIVE_DIR)
+		check_include_files(${HEADER} ${VARIABLE})
+		if (NOT ${VARIABLE})
+			message(STATUS "Missing ${HEADER} - grabbing from ${ALTERNATIVE_DIR}")
+			file(COPY "${ALTERNATIVE_DIR}/${HEADER}" DESTINATION "${CMAKE_CURRENT_BINARY_DIR}/")
+		endif()
+	endmacro()
+
+	# Only VS 2010 has stdint.h
+	copy_header_if_missing(stdint.h HAVE_STDINT_H ../msvc)
+	copy_header_if_missing(inttypes.h HAVE_INTTYPES_H ../msvc)
+endif()
+
+set(ENABLE_DEBUG_LOGGING ${WITH_DEBUG_LOG} CACHE INTERNAL "enable debug logging (WITH_DEBUG_LOGGING)" FORCE)
+set(ENABLE_LOGGING ${WITH_LOGGING} CACHE INTERNAL "enable logging (WITH_LOGGING)" FORCE)
+set(PACKAGE "libusb" CACHE INTERNAL "The package name" FORCE)
+set(PACKAGE_BUGREPORT "libusb-devel@lists.sourceforge.net" CACHE INTERNAL "Where to send bug reports" FORCE)
+set(PACKAGE_VERSION "${LIBUSB_MAJOR}.${LIBUSB_MINOR}.${LIBUSB_MICRO}" CACHE INTERNAL "package version" FORCE)
+set(PACKAGE_STRING "${PACKAGE} ${PACKAGE_VERSION}" CACHE INTERNAL "package string" FORCE)
+set(PACKAGE_URL "http://www.libusb.org" CACHE INTERNAL "package url" FORCE)
+set(PACKAGE_TARNAME "libusb" CACHE INTERNAL "tarball name" FORCE)
+set(VERSION "${PACKAGE_VERSION}" CACHE INTERNAL "version" FORCE)
+
+configure_file(config.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config.h @ONLY)
+message(STATUS "Generated configuration file in ${CMAKE_CURRENT_BINARY_DIR}/config.h")
+
+# for generated config.h
+include_directories(${CMAKE_CURRENT_BINARY_DIR})