ObjFW  Diff

	LIBS="$LIBS -ldebug"

	enable_files="yes"	# Required for reading ENV:
	enable_shared="no"
	supports_amiga_lib="yes"

	AS_IF([test x"$enable_amiga_lib" != x"no"], [
		AC_SUBST(OBJFW_AMIGA_LIB, objfw68k.library)
		AC_SUBST(OBJFWRT_AMIGA_LIB, objfwrt68k.library)
		AC_SUBST(OBJFW_AMIGA_LIB, 'objfw${OBJFW_LIB_MAJOR}.library')
		AC_SUBST(OBJFWRT_AMIGA_LIB,
			['objfwrt${OBJFWRT_LIB_MAJOR}.library'])
		dnl For 68000, GCC emits calls to helper functions that
		dnl do not work properly in a library.
		t="-mcpu=68020 -fbaserel32 -noixemul -ffreestanding"
		AC_SUBST(AMIGA_LIB_CFLAGS, $t)
		t="$t -resident32 -nostartfiles -nodefaultlibs -ldebug -lc"
		AC_SUBST(AMIGA_LIB_LDFLAGS, $t)
	])

	LIBS="$LIBS -ldebug"

	enable_files="yes"	# Required for reading ENV:
	enable_shared="no"
	supports_amiga_lib="yes"

	AS_IF([test x"$enable_amiga_lib" != x"no"], [
		AC_SUBST(OBJFW_AMIGA_LIB, objfw.library)
		AC_SUBST(OBJFWRT_AMIGA_LIB, objfwrt.library)
		AC_SUBST(OBJFW_AMIGA_LIB,
			['objfw${OBJFW_LIB_MAJOR}ppc.library'])
		AC_SUBST(OBJFWRT_AMIGA_LIB,
			['objfwrt${OBJFWRT_LIB_MAJOR}ppc.library'])
		t="-mresident32 -ffreestanding -noixemul"
		AC_SUBST(AMIGA_LIB_CFLAGS, $t)
		t="-mresident32 -nostartfiles -nodefaultlibs -noixemul"
		t="$t -laboxstubs -labox -lmath -ldebug -lc"
		AC_SUBST(AMIGA_LIB_LDFLAGS, $t)
	])

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

BUILDSYS_CHECK_IOS

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

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")
	AC_SUBST(FORWARDING_LIB_A, "forwarding.lib.a")
	AC_SUBST(INVOCATION_LIB_A, "invocation.lib.a")
	AC_SUBST(LOOKUP_ASM_LIB_A, "lookup-asm.lib.a")

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

	TESTS_LIBS="-F../src -F../src/runtime $TESTS_LIBS"
], [
	TESTS_LIBS="\${OBJFW_LIBS} \${RUNTIME_LIBS} $TESTS_LIBS"
	TESTS_LIBS="-L../src/runtime -L../src/runtime/linklib $TESTS_LIBS"
	TESTS_LIBS="-L../src -L../src/linklib $TESTS_LIBS"
])

AC_ARG_ENABLE(amiga-lib,
	AS_HELP_STRING([--disable-amiga-lib], [do not build Amiga library]))
AS_IF([test x"$supports_amiga_lib" != x"yes"], [enable_amiga_lib="no"])
AS_IF([test x"$enable_amiga_lib" != x"no"], [
	AC_SUBST(EXCEPTIONS_AMIGALIB_A, "exceptions.amigalib.a")
	AC_SUBST(FORWARDING_AMIGALIB_A, "forwarding.amigalib.a")
	AC_SUBST(INVOCATION_AMIGALIB_A, "invocation.amigalib.a")
	AC_SUBST(LOOKUP_ASM_AMIGALIB_A, "lookup-asm.amigalib.a")
])

AC_ARG_ENABLE(static, AS_HELP_STRING([--enable-static], [build static library]))
AS_IF([test x"$enable_shared" = x"no" -a x"$enable_amiga_lib" = x"no"], [
	enable_static="yes"
])
AS_IF([test x"$enable_static" = x"yes"], [
	AC_SUBST(OBJFW_STATIC_LIB, "libobjfw.a")
	AC_SUBST(EXCEPTIONS_A, "exceptions.a")
	AC_SUBST(FORWARDING_A, "forwarding.a")
	AC_SUBST(INVOCATION_A, "invocation.a")
	AC_SUBST(LOOKUP_ASM_A, "lookup-asm.a")
])

AS_IF([test x"$enable_amiga_lib" != x"no"], [
	AC_SUBST(EXCEPTIONS_AMIGALIB_A, "exceptions.amigalib.a")
	AC_SUBST(EXCEPTIONS_EXCEPTIONS_AMIGALIB_A,
		"exceptions/exceptions.amigalib.a")
	AC_SUBST(FORWARDING_AMIGALIB_A, "forwarding.amigalib.a")
	AC_SUBST(FORWARDING_FORWARDING_AMIGALIB_A,
		"forwarding/forwarding.amigalib.a")
	AC_SUBST(INVOCATION_AMIGALIB_A, "invocation.amigalib.a")
	AC_SUBST(INVOCATION_INVOCATION_AMIGALIB_A,
		"invocation/invocation.amigalib.a")
	AC_SUBST(LOOKUP_ASM_AMIGALIB_A, "lookup-asm.amigalib.a")
	AC_SUBST(LOOKUP_ASM_LOOKUP_ASM_AMIGALIB_A,
		"lookup-asm/lookup-asm.amigalib.a")
])

AC_DEFINE_UNQUOTED(PLUGIN_SUFFIX, "$PLUGIN_SUFFIX", [Suffix for plugins])
AS_IF([test x"$enable_files" != x"no" -a x"$PLUGIN_SUFFIX" != x""], [
	AC_SUBST(USE_SRCS_PLUGINS, '${SRCS_PLUGINS}')
	AC_SUBST(TESTPLUGIN, "plugin")
	AC_DEFINE(OF_HAVE_PLUGINS, 1, [Whether we have plugin support])

		AC_MSG_RESULT($exception_type)
	], [
		AC_MSG_RESULT(exceptions unavailable!)
		AC_MSG_ERROR([Exceptions not accepted by compiler!])
	])

	AC_SEARCH_LIBS($raise_exception, [c++abi gcc_s gcc], [
	AC_SEARCH_LIBS($raise_exception, [c++abi gcc_s gcc unwind], [
		dnl c++abi requires pthread on OpenBSD
		AS_IF([test x"$ac_lib" = x"c++abi"], [LIBS="$LIBS -lpthread"])
	], [
		AC_MSG_ERROR([$raise_exception missing!])
	], [-lpthread])

	AC_CHECK_FUNCS(_Unwind_GetDataRelBase _Unwind_GetTextRelBase)

		AC_SUBST(RUNTIME_INSTANCE_M, "runtime/instance.m")
	])

	OBJCFLAGS="$old_OBJCFLAGS"
	;;
esac

case "$host_os" in
hpux*)
	dnl _Unwind_Backtrace() returns complete garbage on HP-UX.
	;;
*)
AC_CHECK_FUNCS(_Unwind_Backtrace)
	AC_CHECK_FUNCS(_Unwind_Backtrace)
	;;
esac

case "$host_os" in
darwin*)
	AC_SUBST(LDFLAGS_REEXPORT, ["-Wl,-reexport-lobjfw"])
	AS_IF([test x"$objc_runtime" = x"Apple runtime"], [
		AC_SUBST(REEXPORT_RUNTIME, ["-Wl,-reexport-lobjc"])
		AC_SUBST(REEXPORT_RUNTIME_FRAMEWORK, ["-Wl,-reexport-lobjc"])

		dnl Use -Wp, as we only use it for the preprocessor.
		AX_CHECK_COMPILER_FLAGS([-Wp,-pthread], [
			CPPFLAGS="$CPPFLAGS -Wp,-pthread"
		], [
			CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
		])

		AC_CHECK_LIB(pthread, pthread_create, LIBS="$LIBS -lpthread")
		AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")

		AC_LINK_IFELSE([
			AC_LANG_PROGRAM([
				#include <pthread.h>
			], [
				pthread_create(NULL, NULL, NULL, NULL);
			])

		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_HEADER(netinet/sctp.h, [
		AC_DEFINE(OF_HAVE_SCTP, 1, [Whether we have SCTP])
		AC_DEFINE(OF_HAVE_NETINET_SCTP_H, 1,
			[Whether we have netinet/sctp.h])
		AC_SUBST(USE_SRCS_SCTP, '${SRCS_SCTP}')
	])
	AC_CHECK_HEADERS([arpa/inet.h netdb.h])
	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_in6.sin6_addr], [

		AC_SUBST(OF_HTTP_CLIENT_TESTS_M, "OFHTTPClientTests.m")
	])

	AC_SUBST(OFDNS, "ofdns")
	AS_IF([test x"$enable_files" != x"no"], [
		AC_SUBST(OFHTTP, "ofhttp")
	])
	AC_SUBST(OFSOCK, "ofsock")
])

AC_DEFUN([CHECK_BUILTIN_BSWAP], [
	AC_MSG_CHECKING(for __builtin_bswap$1)
	AC_LINK_IFELSE([
		AC_LANG_PROGRAM([
			#include <stdint.h>

		#if (!defined(TARGET_OS_IPHONE) || !TARGET_OS_IPHONE) && \
		    (!defined(TARGET_OS_SIMULATOR) || !TARGET_OS_SIMULATOR)
		egrep_cpp_yes
		#endif
	], [
		AC_MSG_RESULT(yes)
		have_processes="yes"
		have_subprocesses="yes"
	], [
		AC_MSG_RESULT(no)
		have_processes="no"
		have_subprocesses="no"
	])
	;;
mingw*)
	have_processes="yes"
	have_subprocesses="yes"
	;;
msdosdjgpp*)
	have_processes="no"
	have_subprocesses="no"
	;;
*)
	AC_HEADER_SYS_WAIT
	AC_CHECK_FUNCS(kill)

	AC_CHECK_FUNCS(posix_spawnp, [
		AS_IF([test x"$ac_cv_func_kill" = x"yes"], [
			have_processes="yes"
			have_subprocesses="yes"

			AC_CHECK_HEADERS(spawn.h)
		])
	], [
		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_processes="yes"
				have_subprocesses="yes"
			])
		], [
			break
		])
	])
	;;
esac
AS_IF([test x"$have_processes" = x"yes"], [
	AC_SUBST(OF_PROCESS_M, "OFProcess.m")
	AC_DEFINE(OF_HAVE_PROCESSES, 1, [Whether we have processes])
AS_IF([test x"$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(isatty)

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