ObjFW  Diff

AC_INIT(ObjFW, 1.1dev, js@nil.im, objfw, https://objfw.nil.im/)
AC_CONFIG_SRCDIR(src)
AC_CONFIG_AUX_DIR(build-aux)
AC_CONFIG_MACRO_DIR(build-aux/m4)

AC_DEFINE(OBJFW_VERSION_MAJOR, 1, [The major version of ObjFW])
AC_DEFINE(OBJFW_VERSION_MINOR, 1, [The minor version of ObjFW])
dnl This may only be set to 1.1 once 1.1 is released

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

	LIBS="$LIBS -latomic"
	;;
*-*-mint*)
	enable_shared="no"
	enable_threads="no"	# TODO
	with_tls="no"
	;;
*-apple-macos*)
	enable_shared="no"
	enable_threads="no"	# TODO
	enable_sockets="no"	# TODO

	AC_DEFINE(OF_CLASSIC_MACOS, 1,
		[Whether we are compiling for classic macOS])
	;;
esac

AS_IF([test x"$host_os" = x"msdosdjgpp" -a x"$build_os" = x"msdosdjgpp"], [
	dnl Hack to make configure find these on DOS.
	: ${AR:=ar.exe}
	: ${GREP:=grep.exe}
	: ${RANLIB:=ranlib.exe}

*)
	potential_compilers="clang egcc gcc"
	;;
esac
AC_PROG_OBJC($potential_compilers)
AC_PROG_OBJCPP
AC_PROG_LN_S


BUILDSYS_CHECK_IOS

AC_ARG_WITH(wii,
	AS_HELP_STRING([--with-wii], [build for Wii]))
AS_IF([test x"$with_wii" = x"yes"], [
	AS_IF([test x"$DEVKITPRO" = x""], [

	AS_HELP_STRING([--disable-amiga-lib], [do not build Amiga library]))
AS_IF([test x"$supports_amiga_lib" != x"yes"], [enable_amiga_lib="no"])

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
	BUILDSYS_PLUGIN

	AC_SUBST(OBJFW_SHARED_LIB, '${LIB_PREFIX}objfw${LIB_SUFFIX}')
	AC_SUBST(EXCEPTIONS_LIB_A, "exceptions.lib.a")
	AC_SUBST(FORWARDING_LIB_A, "forwarding.lib.a")
	AC_SUBST(LOOKUP_ASM_LIB_A, "lookup-asm.lib.a")

	BUILDSYS_FRAMEWORK([
		AC_SUBST(OBJFW_FRAMEWORK, "ObjFW.framework")
		build_framework="yes"

	])

	AC_SUBST(RUNTIME, "runtime")
	AC_CONFIG_FILES(src/runtime/Info.plist)

	AS_IF([test x"$enable_shared" != x"no"], [
		AC_SUBST(OBJFWRT_SHARED_LIB,
			'${LIB_PREFIX}objfwrt${LIB_SUFFIX}')
	])

	AS_IF([test x"$enable_static" = x"yes"], [
		AC_SUBST(OBJFWRT_STATIC_LIB, "libobjfwrt.a")
	])

	AS_IF([test x"$build_framework" = x"yes"], [

		AC_CHECK_FUNC(sched_yield, [
			AC_DEFINE(OF_HAVE_SCHED_YIELD, 1,
				[Whether we have sched_yield()])
		])

		AC_CHECK_FUNCS(pthread_attr_getschedpolicy)

		old_OBJCFLAGS="$OBJCFLAGS"
		OBJCFLAGS="$OBJCFLAGS -Werror"
		AC_MSG_CHECKING(for pthread_attr_setinheritsched)
		AC_COMPILE_IFELSE([
			AC_LANG_PROGRAM([
				#include <pthread.h>
			], [
				pthread_attr_setinheritsched(
				    (pthread_attr_t *)-1, 0);
			])
		], [
			AC_MSG_RESULT(yes)
			AC_DEFINE(HAVE_PTHREAD_ATTR_SETINHERITSCHED, 1,
				[Whether we have pthread_attr_setinheritsched])
		], [
			AC_MSG_RESULT(no)
		])
		OBJCFLAGS="$old_OBJCFLAGS"

		AC_CHECK_HEADERS(pthread_np.h, [], [], [#include <pthread.h>])
		AC_CHECK_FUNCS(pthread_set_name_np pthread_setname_np, break)
		;;
	esac

	AC_DEFINE(OF_HAVE_THREADS, 1, [Whether we have threads])

*)
	AC_CHECK_HEADERS(fcntl.h)
	AC_CHECK_FUNCS([fcntl nanosleep])
	;;
esac

AC_CHECK_HEADERS(xlocale.h)
AC_CHECK_FUNCS([strtod_l strtof_l asprintf_l uselocale])
AS_IF([test x"$gnu_source" != x"yes" -a \( \
    x"$ac_cv_func_strtod_l" = x"yes" -o x"$ac_cv_func_strtof_l" = x"yes" -o \
    x"$ac_cv_func_asprintf_l" = x"yes" \)], [
	AC_MSG_CHECKING(whether *_l functions need _GNU_SOURCE)
	AC_COMPILE_IFELSE([
		AC_LANG_PROGRAM([
			#include <stdlib.h>

		;;
	esac

	AC_CHECK_HEADER(sys/socket.h, [
		AC_DEFINE(OF_HAVE_SYS_SOCKET_H, 1,
			[Whether we have sys/socket.h])
	])
	AC_CHECK_TYPE([struct sockaddr_storage], [
		AC_DEFINE(OF_HAVE_SOCKADDR_STORAGE, 1,
			[Whether we have struct sockaddr_storage])
	], [], [
		#ifdef OF_HAVE_SYS_TYPES_H
		# include <sys/types.h>
		#endif
		#ifdef OF_HAVE_SYS_SOCKET_H
		# include <sys/socket.h>
		#endif
		#ifdef _WIN32
		# include <winsock2.h>
		#endif
	])

	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_HEADERS([net/if.h net/if_arp.h net/if_dl.h net/if_types.h])
	AC_CHECK_FUNCS([if_indextoname if_nametoindex])
	AC_CHECK_TYPES([struct sockaddr_dl], [], [], [
		#ifdef HAVAE_SYS_TYPES_H
		# include <sys/types.h>
		#endif
		#ifdef HAVE_NET_IF_DL_H
		# include <net/if_dl.h>
		#endif
	])
	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;

		# include <winsock2.h>
		#endif
	])
	AC_CHECK_MEMBER(struct sockaddr_un.sun_path, [
		AC_DEFINE(OF_HAVE_UNIX_SOCKETS, 1,
			[Whether we have UNIX sockets])
		AC_SUBST(USE_SRCS_UNIX_SOCKETS, '${SRCS_UNIX_SOCKETS}')

		AC_CHECK_MEMBERS(struct sockaddr_un.sun_len, [], [], [
			#ifdef OF_HAVE_SYS_TYPES_H
			# include <sys/types.h>
			#endif
			#ifdef OF_HAVE_SYS_UN_H
			# include <sys/un.h>
			#endif
			#ifdef _WIN32
			# include <winsock2.h>
			#endif
			#ifdef HAVE_AFUNIX_H
			# include <afunix.h>
			#endif
		])
	], [], [
		#ifdef OF_HAVE_SYS_TYPES_H
		# include <sys/types.h>
		#endif
		#ifdef OF_HAVE_SYS_UN_H
		# include <sys/un.h>
		#endif

		#ifdef __morphos__
		# error MorphOS has the struct but does not support it
		#endif

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

		#ifdef __gnu_hurd__
		# error Empty sun_path in the source given by recvfrom()
		#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, [], [
			AC_CHECK_MEMBER(struct sockaddr_ipx.sipx_addr.x_port, [
			], [], [
				#ifdef HAVE_SYS_TYPES_H
				# include <sys/types.h>
				#endif

				#ifdef OF_HAVE_NETIPX_IPX_H
				# include <netipx/ipx.h>
				#endif
			])
		], [
			#ifdef _WIN32
			typedef int BOOL;
			#endif

			#ifdef HAVE_SYS_TYPES_H
			# include <sys/types.h>
			#endif

			#ifdef OF_HAVE_NETIPX_IPX_H
			# include <netipx/ipx.h>
			#endif

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

		#ifdef HAVE_SYS_TYPES_H
		# include <sys/types.h>
		#endif

		#ifdef OF_HAVE_NETIPX_IPX_H
		# include <netipx/ipx.h>
		#endif

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

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

				[Whether we have select() or similar])
			AC_SUBST(OF_SELECT_KERNEL_EVENT_OBSERVER_M,
				"OFSelectKernelEventObserver.m")
		])
		;;
	esac

	AC_CHECK_HEADERS(net/if.h)
	AC_CHECK_FUNCS(if_nameindex)

	AC_ARG_WITH(tls,
		AS_HELP_STRING([--with-tls], [
			enable TLS support using the specified library
			(yes, openssl, gnutls, securetransport or no)]))
	AS_IF([test x"$with_tls" = x""], [with_tls="yes"])
	tls_support="no"

	AS_IF([test x"$with_tls" = x"securetransport" \
	    -o x"$with_tls" = x"yes"], [
		AC_CHECK_HEADERS(Security/SecureTransport.h, [
			old_LIBS="$LIBS"
			LIBS="-framework Security -framework Foundation $LIBS"

			AC_CHECK_FUNC(SSLHandshake, [



				tls_support="Secure Transport"
				TLS_LIBS="-framework Foundation $TLS_LIBS"
				TLS_LIBS="-framework Security $TLS_LIBS"

				AC_SUBST(OF_SECURE_TRANSPORT_TLS_STREAM_M,
					"OFSecureTransportTLSStream.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], [


			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"
			;;
		*)
			ssl="ssl"
			crypto="crypto"
			;;
		esac

		AC_CHECK_LIB($ssl, SSL_set1_host, [
			AC_CHECK_HEADER(openssl/ssl.h, [



				tls_support="OpenSSL"
				TLS_LIBS="-l$ssl -l$crypto $TLS_LIBS"

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

			[Whether we have an implementation for TLS])
		AC_CONFIG_FILES(src/tls/Info.plist)

		OFHTTP_LIBS="-lobjfwtls $TLS_LIBS $OFHTTP_LIBS"

		AS_IF([test x"$enable_shared" != x"no"], [
			AC_SUBST(OBJFWTLS_SHARED_LIB,
				'${LIB_PREFIX}objfwtls${LIB_SUFFIX}')
		])
		AS_IF([test x"$enable_static" = x"yes" \
		    -o x"$enable_shared" = x"no"], [
			AC_SUBST(OBJFWTLS_STATIC_LIB, "libobjfwtls.a")
		])
		AS_IF([test x"$build_framework" = x"yes"], [
			AC_SUBST(OBJFWTLS_FRAMEWORK, "ObjFWTLS.framework")

		#if (!defined(TARGET_OS_IPHONE) || !TARGET_OS_IPHONE) && \
		    (!defined(TARGET_OS_SIMULATOR) || !TARGET_OS_SIMULATOR)
		egrep_cpp_yes
		#endif
	], [
		AC_MSG_RESULT(yes)




	], [
		AC_MSG_RESULT(no)
		have_subprocesses="no"
	])
	;;
mingw*)
	have_subprocesses="yes"
	;;
msdosdjgpp*)
	have_subprocesses="no"
	;;

esac
AS_IF([test x"$have_subprocesses" = x""], [
	AC_HEADER_SYS_WAIT
	AC_CHECK_FUNCS(kill)

	AC_CHECK_FUNCS(posix_spawnp, [
		AS_IF([test x"$ac_cv_func_kill" = x"yes"], [
			AC_CHECK_HEADERS(spawn.h, [have_subprocesses="yes"])
		])

	])

	AS_IF([test x"$have_subprocesses" = x""], [
		AC_CHECK_FUNCS([vfork dup2 execvp _exit], [
			AS_IF([test x"$ac_cv_func_vfork" = x"yes" \
			    -a x"$ac_cv_func_pipe" = x"yes" \
			    -a x"$ac_cv_func_dup2" = x"yes" \
			    -a x"$ac_cv_func_execvp" = x"yes" \
			    -a x"$ac_cv_func_kill" = x"yes" \
			    -a x"$ac_cv_func__exit" = x"yes"], [
				have_subprocesses="yes"
			])
		], [
			break
		])
	])


])
AS_IF([test x"$have_subprocesses" = x"yes"], [
	AC_SUBST(OF_SUBPROCESS_M, "OFSubprocess.m")
	AC_DEFINE(OF_HAVE_SUBPROCESSES, 1, [Whether we have subprocesses])
])

AC_CHECK_HEADERS_ONCE([complex.h sys/ioctl.h sys/ttycom.h])
AC_CHECK_FUNCS(ioctl isatty)

AC_CHECK_FUNC(pledge, [
	AC_DEFINE(OF_HAVE_PLEDGE, 1, [Whether we have pledge()])
])

AS_IF([test x"$objc_runtime" = x"Apple runtime"], [
	AC_CHECK_HEADER(Foundation/NSObject.h, [
		AC_SUBST(BRIDGE, "bridge")
		AC_CONFIG_FILES(src/bridge/Info.plist)

		AS_IF([test x"$enable_shared" != x"no"], [
			AC_SUBST(OBJFWBRIDGE_SHARED_LIB,
				'${LIB_PREFIX}objfwbridge${LIB_SUFFIX}')
		])
		AS_IF([test x"$enable_static" = x"yes" \
		    -o x"$enable_shared" = x"no"], [
			AC_SUBST(OBJFWBRIDGE_STATIC_LIB, "libobjfwbridge.a")
		])
		AS_IF([test x"$build_framework" = x"yes"], [
			AC_SUBST(OBJFWBRIDGE_FRAMEWORK,

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

	AC_MSG_CHECKING(whether we need -Wno-strict-prototypes)
	AC_COMPILE_IFELSE([
		AC_LANG_PROGRAM([
			#include <signal.h>
		], [
			signal(SIGINT, SIG_DFL);
		])
	], [
		AC_MSG_RESULT(no)
	], [
		AC_MSG_RESULT(yes)
		OBJCFLAGS="$OBJCFLAGS -Wno-strict-prototypes"
	])

	AS_IF([test x"$ac_cv_header_complex_h" = x"yes"], [
		AC_MSG_CHECKING(whether we need -Wno-gnu-imaginary-constant)
		AC_COMPILE_IFELSE([
			AC_LANG_PROGRAM([
				#include <complex.h>
			], [

	i?86-*-mingw*)
		AC_CHECK_PROG(WINE, wine, wine)
		;;
	x86_64-*-mingw*)
		AC_CHECK_PROG(WINE, wine64, wine64)
		;;
	esac

	AS_IF([test x"$WINE" != x""], [AC_SUBST(WRAPPER, "$WINE")])



	AS_IF([test x"$with_wii" = x"yes"], [
		dnl Keep this lowercase, as WIILOAD is a variable used by
		dnl wiiload and thus likely already set by the user to something
		dnl that is not the path of the wiiload binary.
		AC_CHECK_PROG(wiiload, wiiload, wiiload)

		AS_IF([test x"$wiiload" != x""], [
			AC_SUBST(WRAPPER, "$wiiload")
		])
	])
])












dnl We don't call AC_PROG_CPP, but only AC_PROG_OBJCPP and set CPP to OBJCPP
dnl and add OBJCPPFLAGS to CPPFLAGS, thus we need to AC_SUBST these ourself.
AC_SUBST(CPP)
AC_SUBST(CPPFLAGS)
dnl We use the ObjC compiler as our assembler
AC_SUBST(AS, $OBJC)
AC_SUBST(ASFLAGS)