ObjFW  Diff

	;;
*-msdosdjgpp*)
	enable_shared="no"
	enable_threads="no"
	enable_sockets="no"
	;;
*-*-mingw*)
	LDFLAGS="$LDFLAGS -Wl,--allow-multiple-definition -static-libgcc"
	LIBS="$LIBS -lversion"

	AC_SUBST(USE_SRCS_WINDOWS, '${SRCS_WINDOWS}')
	;;
*-psp-*)
	AS_IF([test x"$DEVKITPSP" = x""], [
		AC_MSG_ERROR([DEVKITPSP is not set! Please set DEVKITPSP.])

], [
	AC_MSG_RESULT(no)
	AC_MSG_ERROR(Compiler does not support properties!)
])

AC_CHECK_TOOL(AR, ar)
AC_PROG_RANLIB

case "$host_os" in
mingw*)
	AC_CHECK_TOOL(RC, windres)
	;;
esac

AC_ARG_ENABLE(shared,
	AS_HELP_STRING([--disable-shared], [do not build shared library]))
AS_IF([test x"$enable_shared" != x"no"], [
	BUILDSYS_SHARED_LIB
	AC_SUBST(OBJFW_SHARED_LIB, "${LIB_PREFIX}objfw${LIB_SUFFIX}")
	AC_SUBST(EXCEPTIONS_LIB_A, "exceptions.lib.a")

	#if defined(__GLIBC__) || defined(__MINGW32__) || \
	    defined(__NEWLIB__) || defined(__MORPHOS__) || defined(__MINT__)
	egrep_cpp_yes
	#endif
], [
	AC_MSG_RESULT(yes)
	CPPFLAGS="-D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 $CPPFLAGS"
	CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
	gnu_source="yes"
], [
	AC_MSG_RESULT(no)
])

case "$host_os" in

		dnl Compiler TLS is broken on AArch64 Android with Clang
		enable_compiler_tls="no"
		;;
	m68k-*-amigaos* | powerpc-*-amigaos*)
		dnl Compiler TLS is broken on AmigaOS
		enable_compiler_tls="no"
		;;
	*-*-mingw*)
		dnl Causes emutls to be pulled in, which pulls in winpthread.
		enable_compiler_tls="no"
		;;
	*-*-morphos*)
		dnl Compiler TLS needs helpers that we don't want in the
		dnl .library
		enable_compiler_tls="no"
		;;
	esac

AC_MSG_RESULT($atomic_ops)

AC_ARG_ENABLE(files,
	AS_HELP_STRING([--disable-files], [disable file support]))
AS_IF([test x"$enable_files" != x"no"], [
	AC_DEFINE(OF_HAVE_FILES, 1, [Whether we have files])
	AC_SUBST(USE_SRCS_FILES, '${SRCS_FILES}')
	AC_SUBST(OBJFW_NEW, "objfw-new")
	AC_SUBST(OFARC, "ofarc")
	AC_SUBST(OFHASH, "ofhash")

	case "$host_os" in
	msdosdjgpp*)
		dnl DJGPP has the type, but it's not really usable.
		;;

		;;
	esac

	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 net/if.h])
	AC_CHECK_FUNCS([if_indextoname if_nametoindex])
	AC_CHECK_HEADER(sys/un.h, [
		AC_DEFINE(OF_HAVE_SYS_UN_H, 1, [Whether we have sys/un.h])
	])





	AC_CHECK_MEMBER([struct sockaddr_in6.sin6_addr], [
		AC_EGREP_CPP(egrep_cpp_yes, [
			#ifdef _WIN32
			typedef int BOOL;
			#endif

			#ifdef OF_HAVE_SYS_SOCKET_H

		#endif

		#ifdef __MINT__
		# error Gives invalid argument at runtime
		#endif
	])

	AC_CHECK_HEADER(netipx/ipx.h, [
		AC_DEFINE(OF_HAVE_NETIPX_IPX_H, 1,
			[Whether we have netipx/ipx.h])
	])
	AC_CHECK_MEMBER(struct sockaddr_ipx.sipx_network, [], [
		AC_CHECK_MEMBER(struct sockaddr_ipx.sa_netnum, [], [], [
			#ifdef _WIN32
			typedef int BOOL;
			#endif

			#ifdef OF_HAVE_NETIPX_IPX_H

			egrep_cpp_yes
			#endif
		], [
			AC_DEFINE(OF_HAVE_IPX, 1, [Whether we have IPX/SPX])
			AC_SUBST(USE_SRCS_IPX, '${SRCS_IPX}')
		])
	])

	AC_CHECK_HEADER(netat/appletalk.h, [
		AC_DEFINE(OF_HAVE_NETAT_APPLETALK_H, 1,
			[Whether we have netat/appletalk.h])
	])
	AC_CHECK_HEADER(netatalk/at.h, [
		AC_DEFINE(OF_HAVE_NETATALK_AT_H, 1,
			[Whether we have netatalk/at.h])
	])
	AC_CHECK_MEMBER(struct sockaddr_at.sat_addr, [], [
		AC_CHECK_MEMBER(struct sockaddr_at.sat_net, [], [], [
			#ifdef _WIN32
			typedef int BOOL;
			#endif

			#ifdef OF_HAVE_SYS_TYPES_H
			# include <sys/types.h>
			#endif
			#if defined(OF_HAVE_NETAT_APPLETALK_H)
			# include <netat/appletalk.h>
			#elif defined(OF_HAVE_NETATALK_AT_H)
			# include <netatalk/at.h>
			#endif

			#ifdef _WIN32
			# ifdef __MINGW32__
			#  include <_mingw.h>
			#  ifdef __MINGW64_VERSION_MAJOR
			#   include <winsock2.h>
			#  endif
			# endif
			# include <windows.h>
			# include <atalkwsh.h>
			#endif
		])
	], [
		#ifdef _WIN32
		typedef int BOOL;
		#endif

		#ifdef OF_HAVE_SYS_TYPES_H
		# include <sys/types.h>
		#endif
		#if defined(OF_HAVE_NETAT_APPLETALK_H)
		# include <netat/appletalk.h>
		#elif defined(OF_HAVE_NETATALK_AT_H)
		# include <netatalk/at.h>
		#endif

		#ifdef _WIN32
		# ifdef __MINGW32__
		#  include <_mingw.h>
		#  ifdef __MINGW64_VERSION_MAJOR
		#   include <winsock2.h>
		#  endif
		# endif
		# include <windows.h>
		# include <atalkwsh.h>
		#endif
	])
	AS_IF([test x"$ac_cv_member_struct_sockaddr_at_sat_addr" = x"yes" \
	    -o x"$ac_cv_member_struct_sockaddr_at_sat_net" = x"yes"], [
		AC_EGREP_CPP(egrep_cpp_yes, [
			#ifdef _WIN32
			typedef int BOOL;
			#endif

			#ifdef OF_HAVE_SYS_SOCKET_H
			# include <sys/socket.h>
			#endif

			#ifdef _WIN32
			# ifdef __MINGW32__
			#  include <_mingw.h>
			#  ifdef __MINGW64_VERSION_MAJOR
			#   include <winsock2.h>
			#  endif
			# endif
			# include <windows.h>
			# include <atalkwsh.h>
			#endif

			#ifdef AF_APPLETALK
			egrep_cpp_yes
			#endif
		], [
			AC_DEFINE(OF_HAVE_APPLETALK, 1,
			    [Whether we have AppleTalk])
			AC_SUBST(USE_SRCS_APPLETALK, '${SRCS_APPLETALK}')
		])
	])

	AC_CHECK_FUNCS(paccept accept4, break)

	AC_CHECK_FUNCS(kqueue1 kqueue, [
		AC_DEFINE(HAVE_KQUEUE, 1, [Whether we have kqueue])
		AC_SUBST(OF_KQUEUE_KERNEL_EVENT_OBSERVER_M,
			"OFKqueueKernelEventObserver.m")

				AC_CHECK_FUNCS(SSLCreateContext)
			], [])

			LIBS="$old_LIBS"
		])
	])

	AS_IF([test x"$with_tls" = x"gnutls" \
		-o \( x"$with_tls" = x"yes" -a x"$tls_support" = x"no" \)], [
		PKG_CHECK_MODULES(gnutls, [gnutls >= 3.5.0], [
			AC_DEFINE(HAVE_GNUTLS, 1, [Whether we have GnuTLS])

			tls_support="GnuTLS"
			TLS_CPPFLAGS="$gnutls_CFLAGS $TLS_CPPFLAGS"
			TLS_LIBS="$gnutls_LIBS $TLS_LIBS"

			AC_SUBST(OF_GNUTLS_TLS_STREAM_M, "OFGnuTLSTLSStream.m")
		], [
			dnl Disable default action-if-not-found, which exits
			dnl configure with an error.
			:
		])
	])

	AS_IF([test x"$with_tls" = x"openssl" \
		-o \( x"$with_tls" = x"yes" -a x"$tls_support" = x"no" \)], [
		case "$host_os" in
		morphos*)
			ssl="ssl_shared"
			crypto="crypto_shared"

				AC_SUBST(OF_OPENSSL_TLS_STREAM_M,
					"OFOpenSSLTLSStream.m")
			])
		], [], [-l$crypto])
	])


















	AS_IF([test x"$tls_support" != x"no"], [
		AC_SUBST(TLS, "tls")
		AC_SUBST(TLS_CPPFLAGS)
		AC_SUBST(TLS_LIBS)
		AC_DEFINE(HAVE_TLS_SUPPORT, 1,
			[Whether we have an implementation for TLS])
		AC_CONFIG_FILES(src/tls/Info.plist)

			 */
			#ifdef __clang__
			# define OF_DEALLOC_UNSUPPORTED			\
				[self doesNotRecognizeSelector: _cmd];	\
									\
				abort();				\
									\
				_Pragma("clang diagnostic push");	\
			       	_Pragma("clang diagnostic ignored	\
				    \"-Wunreachable-code\"");		\
				[super dealloc];			\
				_Pragma("clang diagnostic pop");
			#else
			# define OF_DEALLOC_UNSUPPORTED			\
				[self doesNotRecognizeSelector: _cmd];	\
									\