ObjFW  Diff

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AC_CANONICAL_HOST

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

case "$host" in
	arm-*-riscos*)
		AS_IF([test x"$OBJCFLAGS" = x""], [
arm-*-riscos*)
	AS_IF([test x"$OBJCFLAGS" = x""], [OBJCFLAGS="-O2 -g"])
			OBJCFLAGS="-O2 -g"
		])
		flags="-mfloat-abi=softfp -mfpu=vfp -mlibscl"
		ASFLAGS="$ASFLAGS -mfloat-abi=softfp -mfpu=vfp"
		OBJCFLAGS="$OBJCFLAGS $flags"
		OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS $flags"
		LDFLAGS="$LDFLAGS $flags"
	flags="-mfloat-abi=softfp -mfpu=vfp -mlibscl"
	ASFLAGS="$ASFLAGS -mfloat-abi=softfp -mfpu=vfp"
	OBJCFLAGS="$OBJCFLAGS $flags"
	OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS $flags"
	LDFLAGS="$LDFLAGS $flags"

		enable_shared="no"
		enable_threads="no"
		enable_sockets="no"
		enable_files="no"
		;;
	m68k-*-amigaos*)
		AS_IF([test x"$OBJCFLAGS" = x""], [
	enable_shared="no"
	enable_threads="no"
	enable_sockets="no"
	enable_files="no"
	;;
m68k-*-amigaos*)
	AS_IF([test x"$OBJCFLAGS" = x""], [OBJCFLAGS="-O0"])
			OBJCFLAGS="-O0"
		])
		OBJCFLAGS="$OBJCFLAGS -noixemul"
		OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS -noixemul"
		CPPFLAGS="$CPPFLAGS -D__NO_NET_API"
		LDFLAGS="$LDFLAGS -noixemul"
		LIBS="$LIBS -ldebug"
	OBJCFLAGS="$OBJCFLAGS -noixemul"
	OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS -noixemul"
	CPPFLAGS="$CPPFLAGS -D__NO_NET_API"
	LDFLAGS="$LDFLAGS -noixemul"
	LIBS="$LIBS -ldebug"

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

		AS_IF([test x"$enable_amiga_lib" != x"no"], [
			AC_SUBST(OBJFWRT_AMIGA_LIB, objfwrt68k.library)
			AC_SUBST(SFDC_TARGET, m68k-amigaos)
			AC_SUBST(SFD_FILE, amigaos3.sfd)
			AC_SUBST(SFDC_INLINE_H, inline.h)
			dnl For 68000, GCC emits calls to helper functions that
			dnl do not work properly in a library.
			t="-mcpu=68020 -fbaserel -noixemul"
			AC_SUBST(AMIGA_LIB_CFLAGS, "$t -ffreestanding")
			t="$t -resident -nostartfiles -nodefaultlibs"
	AS_IF([test x"$enable_amiga_lib" != x"no"], [
		AC_SUBST(OBJFWRT_AMIGA_LIB, objfwrt68k.library)
		AC_SUBST(SFDC_TARGET, m68k-amigaos)
		AC_SUBST(SFD_FILE, amigaos3.sfd)
		AC_SUBST(SFDC_INLINE_H, inline.h)
		dnl For 68000, GCC emits calls to helper functions that
		dnl do not work properly in a library.
		t="-mcpu=68020 -fbaserel -noixemul -ffreestanding"
		AC_SUBST(AMIGA_LIB_CFLAGS, $t)
		t="$t -resident -nostartfiles -nodefaultlibs -ldebug -lc"
			t="$t -ldebug -lc"
			AC_SUBST(AMIGA_LIB_LDFLAGS, $t)
		])
		AC_SUBST(AMIGA_LIB_LDFLAGS, $t)
	])

		AC_SUBST(LIBBASES_M, libbases.m)
		;;
	powerpc-*-amigaos*)
		CPPFLAGS="$CPPFLAGS -D__USE_INLINE__"
	AC_SUBST(LIBBASES_M, libbases.m)
	;;
powerpc-*-amigaos*)
	CPPFLAGS="$CPPFLAGS -D__USE_INLINE__"

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

		AC_SUBST(LIBBASES_M, libbases.m)
		;;
	*-morphos*)
		AS_IF([test x"$OBJCFLAGS" = x""], [
	AC_SUBST(LIBBASES_M, libbases.m)
	;;
*-morphos*)
	AS_IF([test x"$OBJCFLAGS" = x""], [OBJCFLAGS="-O2 -g"])
			OBJCFLAGS="-O2 -g"
		])
		OBJCFLAGS="$OBJCFLAGS -noixemul"
		OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS -noixemul"
		LDFLAGS="$LDFLAGS -noixemul"
		LIBS="$LIBS -ldebug"
	OBJCFLAGS="$OBJCFLAGS -noixemul"
	OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS -noixemul"
	LDFLAGS="$LDFLAGS -noixemul"
	LIBS="$LIBS -ldebug"

		enable_files="yes"	# Required for reading ENV:
		enable_shared="no"
		supports_amiga_lib="yes"
		check_pedantic="no"	# Breaks generated inlines
	enable_files="yes"	# Required for reading ENV:
	enable_shared="no"
	supports_amiga_lib="yes"
	check_pedantic="no"	# Breaks generated inlines

		AS_IF([test x"$enable_amiga_lib" != x"no"], [
			AC_SUBST(OBJFWRT_AMIGA_LIB, objfwrt.library)
			AC_SUBST(CVINCLUDE_INLINE_H, inline.h)
			t="-mresident32 -ffreestanding -noixemul"
			AC_SUBST(AMIGA_LIB_CFLAGS, $t)
			t="-mresident32 -nostartfiles -nodefaultlibs"
	AS_IF([test x"$enable_amiga_lib" != x"no"], [
		AC_SUBST(OBJFWRT_AMIGA_LIB, objfwrt.library)
		AC_SUBST(CVINCLUDE_INLINE_H, inline.h)
		t="-mresident32 -ffreestanding -noixemul"
		AC_SUBST(AMIGA_LIB_CFLAGS, $t)
		t="-mresident32 -nostartfiles -nodefaultlibs -noixemul -ldebug"
			t="$t -noixemul -ldebug -lc"
			AC_SUBST(AMIGA_LIB_LDFLAGS, $t)
		])
		AC_SUBST(AMIGA_LIB_LDFLAGS, "$t -lc")
	])

		AC_SUBST(LIBBASES_M, libbases.m)
		;;
	*-msdosdjgpp*)
		enable_shared="no"
		enable_threads="no"
		enable_sockets="no"
		;;
	*-*-mingw*)
		LDFLAGS="$LDFLAGS -Wl,--allow-multiple-definition"
		LIBS="$LIBS -lversion"
	AC_SUBST(LIBBASES_M, libbases.m)
	;;
*-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_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_ERROR([DEVKITPSP is not set! Please set DEVKITPSP.])
	])

		AS_IF([test x"$OBJCFLAGS" = x""], [
	AS_IF([test x"$OBJCFLAGS" = x""], [OBJCFLAGS="-O2"])
			OBJCFLAGS="-O2"
		])
		OBJCFLAGS="$OBJCFLAGS -G0"
		OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS -G0"
		CPPFLAGS="$CPPFLAGS -I$DEVKITPSP/psp/sdk/include"
		LDFLAGS="$LDFLAGS -G0"
		LIBS="$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 -lgcc -lpsplibc"
		enable_shared="no"
		enable_threads="no"	# TODO
		enable_sockets="no"	# TODO
		check_pedantic="no"
	OBJCFLAGS="$OBJCFLAGS -G0"
	OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS -G0"
	CPPFLAGS="$CPPFLAGS -I$DEVKITPSP/psp/sdk/include"
	LDFLAGS="$LDFLAGS -G0"
	LIBS="$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 -lgcc -lpsplibc"
	enable_shared="no"
	enable_threads="no"	# TODO
	enable_sockets="no"	# TODO
	check_pedantic="no"

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

AC_LANG([Objective C])
case "$host_os" in
	morphos*)
		dnl Don't use clang on MorphOS - it does not support baserel,
		dnl which is required for the .library.
		potential_compilers="gcc"
		;;
	*)
		potential_compilers="clang egcc gcc"
		;;
morphos*)
	dnl Don't use clang on MorphOS - it does not support baserel, which is
	dnl required for the .library.
	potential_compilers="gcc"
	;;
*)
	potential_compilers="clang egcc gcc"
	;;
esac
AC_PROG_OBJC($potential_compilers)
AC_PROG_OBJCPP
AC_PROG_LN_S
AC_PROG_INSTALL
AC_PROG_EGREP
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OBJCFLAGS="$OBJCFLAGS -Wall $flags"
OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS $flags"
dnl amiga-gcc requires -fexceptions in LDFLAGS in order to link in the glue code
dnl for registering the frames.
LDFLAGS="$LDFLAGS -fexceptions"

case "$OBJC" in
	*clang*)
		case "$host" in
			dnl Clang generates MIPS assembly not accepted by GNU
			dnl as, however, Clang's integrated assembler doesn't
			dnl accept everything used in ObjFW's assembly files.
			dnl Therefore, use the integrated assembler for ObjC
			dnl files, but not for assembly files.
*clang*)
	case "$host" in
	mips*-*-*)
		dnl Clang generates MIPS assembly not accepted by GNU as,
		dnl however, Clang's integrated assembler doesn't accept
		dnl everything used in ObjFW's assembly files. Therefore, use
		dnl the integrated assembler for ObjC files, but not for
		dnl assembly files.
			mips*-*-*)
				flag="-integrated-as"
				OBJCFLAGS="$OBJCFLAGS $flag"
				OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS $flag"
				;;
			dnl Don't use -no-integrated-as on Darwin. It breaks
			dnl building for the iOS simulator.
		OBJCFLAGS="$OBJCFLAGS -integrated-as"
		OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS -integrated-as"
		;;
	i?86-*-darwin* | x86_64-*-darwin*)
		dnl Don't use -no-integrated-as on Darwin. It breaks building
		dnl for the iOS simulator.
			i?86-*-darwin* | x86_64-*-darwin*)
				;;
		;;
			dnl Many older Clang versions don't support jmp short.
			i?86-*-* | x86_64-*-*)
				ASFLAGS="$ASFLAGS -no-integrated-as"
				;;
			dnl Clang's assembler on Windows is not complete yet
			dnl and cannot compile all .S files.
	i?86-*-* | x86_64-*-*)
		dnl Many older Clang versions don't support jmp short.
		ASFLAGS="$ASFLAGS -no-integrated-as"
		;;
	*-*-mingw*)
		dnl Clang's assembler on Windows is not complete yet and cannot
		dnl compile all .S files.
			*-*-mingw*)
				ASFLAGS="$ASFLAGS -no-integrated-as"
				;;
			dnl Clang generates assembly output on SPARC64 that
			dnl OpenBSD's assembler does not accept.
		ASFLAGS="$ASFLAGS -no-integrated-as"
		;;
	sparc64-*-*openbsd*)
		dnl Clang generates assembly output on SPARC64 that OpenBSD's
		dnl assembler does not accept.
			sparc64-*-*openbsd*)
				flag="-integrated-as"
				OBJCFLAGS="$OBJCFLAGS $flag"
				OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS $flag"
				;;
		esac
		;;
		flag="-integrated-as"
		OBJCFLAGS="$OBJCFLAGS $flag"
		OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS $flag"
		;;
	esac
	;;
esac

AX_CHECK_COMPILER_FLAGS(-std=gnu11, [
	OBJCFLAGS="$OBJCFLAGS -std=gnu11"
], [
	AX_CHECK_COMPILER_FLAGS(-std=gnu1x, [
		OBJCFLAGS="$OBJCFLAGS -std=gnu1x"
	], [
		AX_CHECK_COMPILER_FLAGS(-std=gnu99,
			[OBJCFLAGS="$OBJCFLAGS -std=gnu99"])
	])
])

case "$build_os" in
	morphos*)
		# MorphOS 3.10 has a buggy ixemul that does not work with -pipe.
		;;
	*)
		AX_CHECK_COMPILER_FLAGS(-pipe, [OBJCFLAGS="$OBJCFLAGS -pipe"])
AX_CHECK_COMPILER_FLAGS(-pipe, [OBJCFLAGS="$OBJCFLAGS -pipe"])
		;;
esac
AX_CHECK_COMPILER_FLAGS(-fno-common, [OBJCFLAGS="$OBJCFLAGS -fno-common"])
AX_CHECK_COMPILER_FLAGS(-Xclang -fno-constant-cfstrings, [
	flag="-Xclang -fno-constant-cfstrings"
	OBJCFLAGS="$OBJCFLAGS $flag"
	OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS $flag"
])
AX_CHECK_COMPILER_FLAGS([-Wsign-compare -Werror],
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	[OBJCFLAGS="$OBJCFLAGS -Wsemicolon-before-method-body"])
AX_CHECK_COMPILER_FLAGS([-Wobjc-missing-property-synthesis -Werror],
	[OBJCFLAGS="$OBJCFLAGS -Wobjc-missing-property-synthesis"])
AX_CHECK_COMPILER_FLAGS([-Wmissing-method-return-type -Werror],
	[OBJCFLAGS="$OBJCFLAGS -Wmissing-method-return-type"])

case "$host" in
	m68k-*-amigaos*)
		dnl The inline headers generate code that triggers
m68k-*-amigaos*)
	dnl The inline headers generate code that triggers -Wpointer-sign.
		dnl -Wpointer-sign.
		OBJCFLAGS="$OBJCFLAGS -Wno-pointer-sign"
		;;
	OBJCFLAGS="$OBJCFLAGS -Wno-pointer-sign"
	;;
esac

AC_MSG_CHECKING(whether Objective C compiler supports properties)
AC_COMPILE_IFELSE([
	AC_LANG_PROGRAM([
		#ifdef __has_attribute
		# if __has_attribute(objc_root_class)
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	CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
	gnu_source="yes"
], [
	AC_MSG_RESULT(no)
])

case "$host_os" in
	solaris*)
		CPPFLAGS="-D__EXTENSIONS__ -D_POSIX_PTHREAD_SEMANTICS $CPPFLAGS"
		;;
solaris*)
	CPPFLAGS="-D__EXTENSIONS__ -D_POSIX_PTHREAD_SEMANTICS $CPPFLAGS"
	;;
esac

objc_runtime="ObjFW runtime"
AC_CHECK_HEADER(objc/objc.h)
AC_MSG_CHECKING(which Objective C runtime to use)
AC_ARG_ENABLE(runtime,
	AS_HELP_STRING([--enable-runtime], [use the included runtime]))
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			:
		])
	])
])
AC_MSG_RESULT($objc_runtime)

case "$objc_runtime" in
	"ObjFW runtime")
		AC_DEFINE(OF_OBJFW_RUNTIME, 1,
"ObjFW runtime")
	AC_DEFINE(OF_OBJFW_RUNTIME, 1, [Whether we use the ObjFW runtime])
			[Whether we use the ObjFW runtime])

		AC_MSG_CHECKING([whether -fobjc-runtime=objfw is supported])
	AC_MSG_CHECKING([whether -fobjc-runtime=objfw is supported])

		old_OBJCFLAGS="$OBJCFLAGS"
		OBJCFLAGS="$OBJCFLAGS -Xclang -fobjc-runtime=objfw"
		AC_LINK_IFELSE([
			AC_LANG_PROGRAM([
				#ifdef __has_attribute
				# if __has_attribute(objc_root_class)
				__attribute__((__objc_root_class__))
				# endif
				#endif
				@interface Test
				+ (void)test;
				@end
	old_OBJCFLAGS="$OBJCFLAGS"
	OBJCFLAGS="$OBJCFLAGS -Xclang -fobjc-runtime=objfw"
	AC_LINK_IFELSE([
		AC_LANG_PROGRAM([
			#ifdef __has_attribute
			# if __has_attribute(objc_root_class)
			__attribute__((__objc_root_class__))
			# endif
			#endif
			@interface Test
			+ (void)test;
			@end

				@implementation Test
				+ (void)test
				{
				}
				@end
			@implementation Test
			+ (void)test
			{
			}
			@end

				void *
				objc_msg_lookup(void *obj, void *sel)
				{
					return (void *)0;
				}
			void *
			objc_msg_lookup(void *obj, void *sel)
			{
				return (void *)0;
			}

				void
				__objc_exec_class(void *module)
				{
				}
			], [[
				[Test test];
			]])
		], [
			void
			__objc_exec_class(void *module)
			{
			}
		], [[
			[Test test];
		]])
	], [
			flag="-Xclang -fobjc-runtime=objfw"
			OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS $flag"
			AC_MSG_RESULT(yes)
		], [
		OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS -Xclang -fobjc-runtime=objfw"
		AC_MSG_RESULT(yes)
	], [
			flag="-fgnu-runtime"
			OBJCFLAGS="$old_OBJCFLAGS $flag"
			OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS $flag"
			AC_MSG_RESULT(no)
			old_compiler="yes"
		])
		OBJCFLAGS="$old_OBJCFLAGS -fgnu-runtime"
		OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS -fgnu-runtime"
		AC_MSG_RESULT(no)
		old_compiler="yes"
	])

		AC_SUBST(RUNTIME, "runtime")
		AC_CONFIG_FILES(src/runtime/Info.plist)
	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_shared" != x"no"], [
		AC_SUBST(OBJFWRT_SHARED_LIB,
			"${LIB_PREFIX}objfwrt${LIB_SUFFIX}")
	])

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

		AS_IF([test x"$build_framework" = x"yes"], [
			AC_SUBST(OBJFWRT_FRAMEWORK, "ObjFWRT.framework")
			AC_SUBST(RUNTIME_FRAMEWORK_LIBS, "-framework ObjFWRT")
		])
	AS_IF([test x"$build_framework" = x"yes"], [
		AC_SUBST(OBJFWRT_FRAMEWORK, "ObjFWRT.framework")
		AC_SUBST(RUNTIME_FRAMEWORK_LIBS, "-framework ObjFWRT")
	])

		AS_IF([test x"$enable_amiga_lib" != x"no"], [
			AC_SUBST(RUNTIME_LIBS, "-lobjfwrt.library")
			AC_SUBST(LINKLIB, linklib)
			tmp="../src/runtime/linklib/libobjfwrt.library.a"
			AC_SUBST(LIBOBJFWRT_DEP, "$tmp")
			AC_SUBST(LIBOBJFWRT_DEP_LVL2, "../$tmp")
		], [
			AC_SUBST(RUNTIME_LIBS, "-lobjfwrt")
		])
	AS_IF([test x"$enable_amiga_lib" != x"no"], [
		AC_SUBST(RUNTIME_LIBS, "-lobjfwrt.library")
		AC_SUBST(LINKLIB, linklib)
		tmp="../src/runtime/linklib/libobjfwrt.library.a"
		AC_SUBST(LIBOBJFWRT_DEP, "$tmp")
		AC_SUBST(LIBOBJFWRT_DEP_LVL2, "../$tmp")
	], [
		AC_SUBST(RUNTIME_LIBS, "-lobjfwrt")
	])

		AS_IF([test x"$enable_shared" = x"no" \
				-a x"$enable_amiga_lib" = x"no"], [
	AS_IF([test x"$enable_shared" = x"no" \
	    -a x"$enable_amiga_lib" = x"no"], [
			tmp="../src/runtime/libobjfwrt.a"
			AC_SUBST(LIBOBJFWRT_DEP, "$tmp")
			AC_SUBST(LIBOBJFWRT_DEP_LVL2, "../$tmp")
		])
		AC_SUBST(LIBOBJFWRT_DEP, "../src/runtime/libobjfwrt.a")
		AC_SUBST(LIBOBJFWRT_DEP_LVL2, "../../src/runtime/libobjfwrt.a")
	])

		AS_IF([test x"$enable_seluid24" = x"yes"], [
			AC_DEFINE(OF_SELUID24, 1,
	AS_IF([test x"$enable_seluid24" = x"yes"], [
		AC_DEFINE(OF_SELUID24, 1, [Whether to use 24 bit selector UIDs])
				[Whether to use 24 bit selector UIDs])
		])
	])

		AC_MSG_CHECKING(for exception type)
		AC_COMPILE_IFELSE([
			AC_LANG_PROGRAM([
				extern void foo();
			], [
				@try {
					foo();
				} @finally {
					foo();
				}
			])
		], [
			AS_IF([$EGREP __gnu_objc_personality_v0 \
					conftest.$ac_objext >/dev/null], [
				exception_type="DWARF"
			])
			AS_IF([$EGREP __gnu_objc_personality_sj0 \
					conftest.$ac_objext >/dev/null], [
				exception_type="SjLj"
			])
			AS_IF([$EGREP __gnu_objc_personality_seh0 \
					conftest.$ac_objext >/dev/null], [
				exception_type="SEH"
			])
	AC_MSG_CHECKING(for exception type)
	AC_COMPILE_IFELSE([
		AC_LANG_PROGRAM([
			extern void foo();
		], [
			@try {
				foo();
			} @finally {
				foo();
			}
		])
	], [
		AS_IF([$EGREP __gnu_objc_personality_v0 conftest.$ac_objext \
		    >/dev/null], [
			exception_type="DWARF"
		])
		AS_IF([$EGREP __gnu_objc_personality_sj0 conftest.$ac_objext \
		    >/dev/null], [
			exception_type="SjLj"
		])
		AS_IF([$EGREP __gnu_objc_personality_seh0 conftest.$ac_objext \
		    >/dev/null], [
			exception_type="SEH"
		])

		case "$exception_type" in
		DWARF)
			AC_DEFINE(HAVE_DWARF_EXCEPTIONS, 1,
				[Whether DWARF exceptions are used])
			raise_exception="_Unwind_RaiseException"
			;;
		SjLj)
			AC_DEFINE(HAVE_SJLJ_EXCEPTIONS, 1,
				[Whether SjLj exceptions are used])
			raise_exception="_Unwind_SjLj_RaiseException"
			;;
		SEH)
			AC_DEFINE(HAVE_SEH_EXCEPTIONS, 1,
				[Whether SEH exceptions are used])
			raise_exception="_Unwind_RaiseException"

			case "$exception_type" in
			DWARF)
				AC_DEFINE(HAVE_DWARF_EXCEPTIONS, 1,
					[Whether DWARF exceptions are used])
				;;
			;;
			SjLj)
				AC_DEFINE(HAVE_SJLJ_EXCEPTIONS, 1,
					[Whether SjLj exceptions are used])
				raise_exception="_Unwind_SjLj_RaiseException"
				;;
			SEH)
				AC_DEFINE(HAVE_SEH_EXCEPTIONS, 1,
					[Whether SEH exceptions are used])
				;;
			*)
				AC_MSG_RESULT(unknown)
				AC_MSG_ERROR([Exception type not detected!])
				;;
			esac
		*)
			AC_MSG_RESULT(unknown)
			AC_MSG_ERROR([Exception type not detected!])
			;;
		esac

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

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

		AC_CHECK_FUNCS(_Unwind_GetDataRelBase _Unwind_GetTextRelBase)
		;;
	"Apple runtime")
		AC_DEFINE(OF_APPLE_RUNTIME, 1,
	AC_CHECK_FUNCS(_Unwind_GetDataRelBase _Unwind_GetTextRelBase)
	;;
"Apple runtime")
	AC_DEFINE(OF_APPLE_RUNTIME, 1, [Whether we use the Apple ObjC runtime])
			[Whether we use the Apple ObjC runtime])

		AC_CHECK_LIB(objc, objc_msgSend, [
			AC_SUBST(RUNTIME_LIBS, "-lobjc")
			AC_SUBST(RUNTIME_FRAMEWORK_LIBS, "-lobjc")
		], [
			AC_MSG_ERROR([libobjc not found!])
		])
	AC_CHECK_LIB(objc, objc_msgSend, [
		AC_SUBST(RUNTIME_LIBS, "-lobjc")
		AC_SUBST(RUNTIME_FRAMEWORK_LIBS, "-lobjc")
	], [
		AC_MSG_ERROR([libobjc not found!])
	])

		old_OBJCFLAGS="$OBJCFLAGS"
		OBJCFLAGS="$OBJCFLAGS -lobjc"
	old_OBJCFLAGS="$OBJCFLAGS"
	OBJCFLAGS="$OBJCFLAGS -lobjc"

		AC_CHECK_FUNC(objc_autoreleasePoolPush, [], [
			AC_SUBST(RUNTIME_AUTORELEASE_M, "runtime/autorelease.m")
		])
		AC_CHECK_FUNC(objc_constructInstance, [], [
			AC_SUBST(RUNTIME_INSTANCE_M, "runtime/instance.m")
		])
	AC_CHECK_FUNC(objc_autoreleasePoolPush, [], [
		AC_SUBST(RUNTIME_AUTORELEASE_M, "runtime/autorelease.m")
	])
	AC_CHECK_FUNC(objc_constructInstance, [], [
		AC_SUBST(RUNTIME_INSTANCE_M, "runtime/instance.m")
	])

		OBJCFLAGS="$old_OBJCFLAGS"
		;;
	OBJCFLAGS="$old_OBJCFLAGS"
	;;
esac

AC_CHECK_FUNCS(_Unwind_Backtrace)

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

		AS_IF([test x"$objc_runtime" = x"ObjFW runtime"], [
			AS_IF([test x"$exception_type" = x"DWARF"], [
				LDFLAGS="$LDFLAGS -Wl,-U,___gxx_personality_v0"
			])
			AS_IF([test x"$exception_type" = x"SjLj"], [
				LDFLAGS="$LDFLAGS -Wl,-U,___gxx_personality_sj0"
			])
			AC_SUBST(REEXPORT_RUNTIME, ["-Wl,-reexport-lobjfwrt"])
			AC_SUBST(REEXPORT_RUNTIME_FRAMEWORK,
				["-Wl,-reexport_framework,ObjFWRT"])
		])
	AS_IF([test x"$objc_runtime" = x"ObjFW runtime"], [
		AS_IF([test x"$exception_type" = x"DWARF"], [
			LDFLAGS="$LDFLAGS -Wl,-U,___gxx_personality_v0"
		])
		AS_IF([test x"$exception_type" = x"SjLj"], [
			LDFLAGS="$LDFLAGS -Wl,-U,___gxx_personality_sj0"
		])
		AC_SUBST(REEXPORT_RUNTIME, ["-Wl,-reexport-lobjfwrt"])
		AC_SUBST(REEXPORT_RUNTIME_FRAMEWORK,
			["-Wl,-reexport_framework,ObjFWRT"])
	])

		AC_CHECK_HEADERS(sysdir.h)
		AC_CHECK_FUNCS(sysdir_start_search_path_enumeration)
	AC_CHECK_HEADERS(sysdir.h)
	AC_CHECK_FUNCS(sysdir_start_search_path_enumeration)

		AS_IF([test x"$host_is_ios" = x"yes"], [
			AC_SUBST(TESTS_STATIC_LIB, tests.a)
			TESTS_LIBS="$TESTS_LIBS -framework CoreFoundation"
		])
		;;
	AS_IF([test x"$host_is_ios" = x"yes"], [
		AC_SUBST(TESTS_STATIC_LIB, tests.a)
		TESTS_LIBS="$TESTS_LIBS -framework CoreFoundation"
	])
	;;
esac

AC_MSG_CHECKING(whether Objective C compiler supports ARC)
old_OBJCFLAGS="$OBJCFLAGS"
OBJCFLAGS="$OBJCFLAGS -fobjc-arc -fobjc-arc-exceptions"
AC_COMPILE_IFELSE([
	AC_LANG_PROGRAM([
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])
AC_MSG_RESULT($fp_endianess)
AS_IF([test x"$fp_endianess" = x"unknown"], [
	AC_MSG_ERROR(
		[Floating point implementation does not conform to IEEE 754!])])

case "$host_cpu" in
	arm* | earm*)
		AC_MSG_CHECKING(for VFP2 or above)
		AC_COMPILE_IFELSE([
			AC_LANG_PROGRAM([], [
				#if !defined(__arm64__) && \
arm* | earm*)
	AC_MSG_CHECKING(for VFP2 or above)
	AC_COMPILE_IFELSE([
		AC_LANG_PROGRAM([], [
			#if !defined(__arm64__) && !defined(__aarch64__) && \
				    !defined(__aarch64__) && \
				    !defined(__ARM64_ARCH_8__)
				__asm__ __volatile__ (
				    "vstmdb	sp!, {d0-d7}"
				);
				#endif
			])
		], [
			AC_DEFINE(HAVE_VFP2, 1, [Whether we have VFP2 or above])
			AC_MSG_RESULT(yes)
		], [
			AC_MSG_RESULT(no)
		])
		;;
			    !defined(__ARM64_ARCH_8__)
			__asm__ __volatile__ (
			    "vstmdb	sp!, {d0-d7}"
			);
			#endif
		])
	], [
		AC_DEFINE(HAVE_VFP2, 1, [Whether we have VFP2 or above])
		AC_MSG_RESULT(yes)
	], [
		AC_MSG_RESULT(no)
	])
	;;
esac

AC_CHECK_LIB(m, fmod, LIBS="$LIBS -lm")
AC_CHECK_LIB(complex, creal, TESTS_LIBS="$TESTS_LIBS -lcomplex")

AC_CHECK_FUNC(asprintf, [
	case "$host" in
		*-*-mingw*)
			dnl asprintf from MinGW is broken on older Windows
	*-*-mingw*)
		dnl asprintf from MinGW is broken on older Windows versions
			dnl versions
			have_asprintf="no"
			;;
		*-psp-*)
			dnl asprintf is broken on the PSP
			have_asprintf="no"
			;;
		*)
			have_asprintf="yes"
			AC_DEFINE(HAVE_ASPRINTF, 1,
		have_asprintf="no"
		;;
	*-psp-*)
		dnl asprintf is broken on the PSP
		have_asprintf="no"
		;;
	*)
		have_asprintf="yes"
		AC_DEFINE(HAVE_ASPRINTF, 1, [Whether we have asprintf()])
				[Whether we have asprintf()])
		;;
	esac
], [
	have_asprintf="no"
])

AC_ARG_ENABLE(unicode-tables,
︙
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923










924
925
926
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928
929
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875
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880
881










882
883
884
885
886
887
888
889
890
891
892
893
894
895
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897
898








-
-
-
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-
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+
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+








AC_CHECK_FUNCS(arc4random arc4random_buf getrandom random, break)

AS_IF([test x"$host_os" != x"morphos"], [
	AC_CHECK_LIB(dl, dlopen, LIBS="$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_CHECK_FUNCS(dladdr)
		;;
netbsd*)
	dnl dladdr exists on NetBSD, but it is completely broken.
	dnl When using it with code that uses __thread, it freezes the process
	dnl so that it has to be killed using SIGKILL.
	dnl When disabling __thread, it doesn't freeze, but all symbols are
	dnl wrong.
	;;
*)
	AC_CHECK_FUNCS(dladdr)
	;;
esac

AC_CHECK_HEADERS(sys/mman.h)
AC_CHECK_FUNCS(mmap mlock)

AC_ARG_ENABLE(threads,
	AS_HELP_STRING([--disable-threads], [disable thread support]))
︙
999
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1001
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1007
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1009
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1018
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1022
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967
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974
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-
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+








	AC_SUBST(USE_SRCS_THREADS, '${SRCS_THREADS}')

	AC_ARG_ENABLE(compiler-tls,
		AS_HELP_STRING([--disable-compiler-tls],
			[disable compiler thread local storage]))

	case "$host" in
		aarch64*-*-android*)
			# Compiler TLS is broken on AArch64 Android with Clang
			enable_compiler_tls="no"
			;;
		m68k-*-amigaos* | powerpc-*-amigaos*)
			# Compiler TLS is broken on AmigaOS
			enable_compiler_tls="no"
			;;
		*-*-morphos*)
			# Compiler TLS needs helpers that we don't want in the
			# .library
			enable_compiler_tls="no"
	aarch64*-*-android*)
		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"
		;;
	*-*-morphos*)
		dnl Compiler TLS needs helpers that we don't want in the
		dnl .library
		enable_compiler_tls="no"
		;;
	esac

	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])
		])
︙
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198






1199
1200
1201
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1203
1204
1205
1206
1207
1208
1209

1155
1156
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1159
1160
1161






1162
1163
1164
1165
1166
1167




1168
1169
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1171
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1173
1174
1175
1176
1177








-
-
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+
+
+
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+
+
-
-
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+
+
+








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(OFARC, "ofarc")
	AC_SUBST(OFHASH, "ofhash")

	case "$host_os" in
		msdosdjgpp*)
			dnl DJGPP has the type, but it's not really usable.
			;;
		*)
			AC_CHECK_TYPE(off64_t, [
				AC_DEFINE(OF_HAVE_OFF64_T, 1,
	msdosdjgpp*)
		dnl DJGPP has the type, but it's not really usable.
		;;
	*)
		AC_CHECK_TYPE(off64_t, [
			AC_DEFINE(OF_HAVE_OFF64_T, 1, [Whether we have off64_t])
					[Whether we have off64_t])
				AC_CHECK_FUNCS([lseek64 lstat64 open64 stat64])
			])
			;;
			AC_CHECK_FUNCS([lseek64 lstat64 open64 stat64])
		])
		;;
	esac

	AC_CHECK_HEADERS([pwd.h grp.h])
	AC_CHECK_FUNC(chmod, [
		AC_DEFINE(OF_HAVE_CHMOD, 1, [Whether we have chmod()])
	])
	AC_CHECK_FUNC(chown, [
︙
1310
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1328
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-
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+








AC_ARG_ENABLE(sockets,
	AS_HELP_STRING([--disable-sockets], [disable socket support]))
AS_IF([test x"$enable_sockets" != x"no"], [
	AC_DEFINE(OF_HAVE_SOCKETS, 1, [Whether we have sockets])
	AC_SUBST(USE_SRCS_SOCKETS, '${SRCS_SOCKETS}')

	case "$host_os" in
		amigaos*)
			;;
		haiku*)
			LIBS="$LIBS -lnetwork"
			;;
		mingw*)
			LIBS="$LIBS -lws2_32 -liphlpapi"
			;;
		*)
			AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
			;;
	amigaos* | morphos*)
		;;
	haiku*)
		LIBS="$LIBS -lnetwork"
		;;
	mingw*)
		LIBS="$LIBS -lws2_32 -liphlpapi"
		;;
	*)
		AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
		;;
	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, [
︙
1497
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1503
1504








1505
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1484
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-
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+




-
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			AC_DEFINE(HAVE_POLL, 1, [Whether we have poll()])
			AC_SUBST(OF_POLL_KERNEL_EVENT_OBSERVER_M,
				"OFPollKernelEventObserver.m")
		])
	])

	case "$host_os" in
		amigaos* | mingw* | morphos*)
	amigaos* | mingw* | morphos*)
		AC_DEFINE(HAVE_SELECT, 1, [Whether we have select() or similar])
		AC_SUBST(OF_SELECT_KERNEL_EVENT_OBSERVER_M,
			"OFSelectKernelEventObserver.m")
		;;
	*)
		AC_CHECK_HEADERS(sys/select.h)
		AC_CHECK_FUNC(select, [
			AC_DEFINE(HAVE_SELECT, 1,
				[Whether we have select() or similar])
			AC_SUBST(OF_SELECT_KERNEL_EVENT_OBSERVER_M,
				"OFSelectKernelEventObserver.m")
			;;
		*)
			AC_CHECK_HEADERS(sys/select.h)
			AC_CHECK_FUNC(select, [
				AC_DEFINE(HAVE_SELECT, 1,
					[Whether we have select() or similar])
				AC_SUBST(OF_SELECT_KERNEL_EVENT_OBSERVER_M,
					"OFSelectKernelEventObserver.m")
			])
			;;
		])
		;;
	esac

	AS_IF([test x"$enable_threads" != x"no"], [
		AC_SUBST(OF_HTTP_CLIENT_TESTS_M, "OFHTTPClientTests.m")
	])

	AC_SUBST(OFDNS, "ofdns")
︙
1549
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1554
1555
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1558
1559




1560
1561

1562
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1528


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+
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+

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+

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+








	])
])
CHECK_BUILTIN_BSWAP(16)
CHECK_BUILTIN_BSWAP(32)
CHECK_BUILTIN_BSWAP(64)

case "$host_os" in
	darwin*)
		AC_MSG_CHECKING(whether we are compiling for macOS)
		AC_EGREP_CPP(egrep_cpp_yes, [
			#include <TargetConditionals.h>
darwin*)
	AC_MSG_CHECKING(whether we are compiling for macOS)
	AC_EGREP_CPP(egrep_cpp_yes, [
		#include <TargetConditionals.h>

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

		AC_CHECK_FUNCS(posix_spawnp, [
			AS_IF([test x"$ac_cv_func_kill" = x"yes"], [
				have_processes="yes"
	AC_CHECK_FUNCS(posix_spawnp, [
		AS_IF([test x"$ac_cv_func_kill" = x"yes"], [
			have_processes="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"
				])
			], [
				break
			])
		])
		;;
			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"
			])
		], [
			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])
])

AC_CHECK_HEADERS_ONCE([complex.h sys/ioctl.h sys/ttycom.h])
︙
1914
1915
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1917
1918
1919
1920
1921
1922
1923
1924
1925
1926






1927
1928
1929
1930
1931
1932
1933

1879
1880
1881
1882
1883
1884
1885






1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898








-
-
-
-
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-
+
+
+
+
+
+








	])
])

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

	case "$host" in
		i?86-*-mingw*)
			AC_CHECK_PROG(WINE, wine, wine)
			;;
		x86_64-*-mingw*)
			AC_CHECK_PROG(WINE, wine64, wine64)
			;;
	i?86-*-mingw*)
		AC_CHECK_PROG(WINE, wine, wine)
		;;
	x86_64-*-mingw*)
		AC_CHECK_PROG(WINE, wine64, wine64)
		;;
	esac

	AS_IF([test x"$WINE" != x""], [
		AC_SUBST(RUN_TESTS, "run")
		AC_SUBST(WRAPPER, "$WINE")
	])
︙
Fossil 2.23 [47362306a7] 2023-11-01 18:56:47
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