ObjFW  Diff

AC_INIT(ObjFW, 0.8.1, js@webkeks.org)
BUILDSYS_INIT

AS_IF([test configure.ac -nt configure], [
	AC_MSG_ERROR([configure.ac is newer than configure! Run ./autogen.sh!])
])

AC_CONFIG_SRCDIR(src)

AC_CANONICAL_HOST

dnl Used to disable checking for -pedantic on some platforms where it's broken
check_pedantic="yes"

case "$host" in
	*-msdosdjgpp*)
		enable_shared="no"
		enable_threads="no"
		enable_sockets="no"
		;;

		LIBS="$LIBS -L$DEVKITPSP/psp/sdk/lib -lpspdebug -lpspdisplay"
		LIBS="$LIBS -lpspge -lpspctrl -lpspsdk -lc -lpspnet"
		LIBS="$LIBS -lpspnet_inet -lpspnet_apctl -lpspnet_resolver"
		LIBS="$LIBS -lpsputility -lpspuser -lpspkernel"
		enable_shared="no"
		enable_threads="no"	# TODO
		enable_sockets="no"	# TODO
		check_pedantic="no"

		AC_SUBST(MAP_LDFLAGS, ['-Wl,-Map,$@.map'])
		;;
esac

AC_LANG([Objective C])
AC_PROG_OBJC([clang gcc])

	OBJCFLAGS="$OBJCFLAGS -mthumb -mthumb-interwork"
	CPPFLAGS="$CPPFLAGS -DARM9 -I$DEVKITPRO/libnds/include"
	LDFLAGS="$LDFLAGS -specs=ds_arm9.specs"
	LIBS="$LIBS -L$DEVKITPRO/libnds/lib -lfilesystem -lfat -lnds9"
	enable_shared="no"
	enable_threads="no"	# TODO
	enable_sockets="no"	# TODO
	check_pedantic="no"

	AC_DEFINE(OF_NINTENDO_DS, 1,
		[Whether we are compiling for the Nintendo DS])
	AC_SUBST(MAP_LDFLAGS, ['-Wl,-Map,$@.map'])
])

CPP="$OBJCPP"

])
test x"$have_asprintf" != x"yes" -a x"$ac_cv_snprintf_useful_ret" != x"yes" && \
	AC_MSG_ERROR(No asprintf and no snprintf returning required space!)

AC_CHECK_FUNCS([arc4random random], break)

AC_CHECK_LIB(dl, dlopen, LIBS="$LIBS -ldl")
AC_CHECK_HEADERS_ONCE(dlfcn.h)
case "$host_os" in
	netbsd*)
		dnl dladdr exists on NetBSD, but it is completely broken.
		dnl When using it with code that uses __thread, it freezes the
		dnl process so that it has to be killed using SIGKILL.
		dnl When disabling __thread, it doesn't freeze, but all symbols
		dnl are wrong.

	AC_DEFINE(OF_HAVE_THREADS, 1, [Whether we have threads])
	AC_SUBST(USE_SRCS_THREADS, '${SRCS_THREADS}')

	AC_ARG_ENABLE(compiler-tls,
		AS_HELP_STRING([--disable-compiler-tls],
			[disable compiler thread local storage]))
	AS_IF([test x"$enable_compiler_tls" != x"no"], [
		AC_CHECK_HEADER(threads.h, [
			AC_DEFINE(OF_HAVE_THREADS_H, 1,
				[Whether we have threads.h])
		])

		AC_MSG_CHECKING(whether _Thread_local works)
		AC_TRY_LINK([
			static _Thread_local int x = 0;

	AC_CHECK_LIB(network, socket, LIBS="$LIBS -lnetwork")
	AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32")

	AC_CHECK_HEADER(sys/socket.h, [
		AC_DEFINE(OF_HAVE_SYS_SOCKET_H, 1,
			[Whether we have sys/socket.h])
	])
	AC_CHECK_HEADER(netinet/in.h, [
		AC_DEFINE(OF_HAVE_NETINET_IN_H, 1,
			[Whether we have netinet/in.h])
	])
	AC_CHECK_HEADER(netinet/tcp.h, [
		AC_DEFINE(OF_HAVE_NETINET_TCP_H, 1,
			[Whether we have netinet/tcp.h])
	])
	AC_CHECK_HEADERS([arpa/inet.h netdb.h])

	AC_CHECK_FUNCS([paccept accept4])

		;;
esac
AS_IF([test x"$have_processes" = x"yes"], [
	AC_SUBST(OFPROCESS_M, "OFProcess.m")
	AC_DEFINE(OF_HAVE_PROCESSES, 1, [Whether we have processes])
])

AC_CHECK_HEADERS_ONCE([sys/ioctl.h sys/termios.h])

AS_IF([test x"$objc_runtime" = x"Apple runtime"], [
	AC_CHECK_HEADER(Foundation/NSObject.h, [
		AC_SUBST(FOUNDATION_COMPAT_M, "foundation-compat.m")
		AC_SUBST(BRIDGE, "bridge")

		AS_IF([test x"$enable_shared" != x"no"], [

	], [
		AC_MSG_RESULT(yes)
	], [
		AC_MSG_RESULT(no)
		OBJCFLAGS="$old_OBJCFLAGS"
	])

	AS_IF([test x"$check_pedantic" = x"yes"], [
		old_OBJCFLAGS="$OBJCFLAGS"
		OBJCFLAGS="$OBJCFLAGS -pedantic"
		AC_MSG_CHECKING(whether -pedantic is buggy)
		AC_TRY_COMPILE([
			#import <stdlib.h>

			#ifdef __has_attribute
			# if __has_attribute(objc_root_class)
			__attribute__((__objc_root_class__))
			# endif
			#endif
			@interface Foo
			{
				void *foo;
			}
			@end

			@interface Bar: Foo
			@end
		], [], [
			AC_MSG_RESULT(no)
		], [
			AC_MSG_RESULT(yes)
			OBJCFLAGS="$old_OBJCFLAGS"
		])
	])
])

AS_IF([test x"$cross_compiling" = x"yes"], [
	AC_SUBST(BIN_PREFIX, "${host_alias}-")

	case "$host" in