Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -9,15 +9,25 @@
 AC_CONFIG_AUX_DIR(build-aux)
 AC_CONFIG_MACRO_DIR(build-aux/m4)
 
 AC_CANONICAL_HOST
 
+AC_ARG_WITH(ixemul,
+	AS_HELP_STRING([--with-ixemul], [build with ixemul]))
+
 dnl Used to disable checking for -pedantic on some platforms where it's broken
 check_pedantic="yes"
 
 case "$host" in
 	*-morphos*)
+		AS_IF([test x"$with_ixemul" != x"yes"], [
+			OBJCFLAGS="$OBJCFLAGS -noixemul"
+			LDFLAGS="$LDFLAGS -noixemul"
+
+			AC_SUBST(NOIXEMUL, -noixemul)
+		])
+
 		enable_shared="no"
 		enable_threads="no"
 		;;
 	*-msdosdjgpp*)
 		enable_shared="no"

Index: utils/objfw-config.in
==================================================================
--- utils/objfw-config.in
+++ utils/objfw-config.in
@@ -20,18 +20,20 @@
 libdir="@libdir@"
 CFLAGS=""
 CPPFLAGS="-I@includedir@"
 CXXFLAGS=""
 OBJC="@OBJC@"
-OBJCFLAGS="@INTEGRATED_AS@ @RUNTIME_FLAGS@ -fexceptions -fobjc-exceptions"
-OBJCFLAGS="$OBJCFLAGS -funwind-tables -fconstant-string-class=OFConstantString"
+OBJCFLAGS="@NOIXEMUL@ @INTEGRATED_AS@ @RUNTIME_FLAGS@"
+OBJCFLAGS="$OBJCLFAGS -fexceptions -fobjc-exceptions -funwind-tables"
+OBJCFLAGS="$OBJCFLAGS -fconstant-string-class=OFConstantString"
 OBJCFLAGS="$OBJCFLAGS @NO_CONST_CFSTRINGS@ @BLOCKS_FLAGS@"
 LIB_CFLAGS="@LIB_CFLAGS@"
 LIB_LDFLAGS="@LIB_LDFLAGS@"
 LIB_PREFIX="@LIB_PREFIX@"
 LIB_SUFFIX="@LIB_SUFFIX@"
-LDFLAGS="@ALLOW_MULTIPLE_DEFINITION@ @WEAK_NSFOUNDATIONVERSIONNUMBER@"
+LDFLAGS="@NOIXEMUL@ @ALLOW_MULTIPLE_DEFINITION@"
+LDFLAGS="$LDFLAGS @WEAK_NSFOUNDATIONVERSIONNUMBER@"
 LDFLAGS_REEXPORT="@LDFLAGS_REEXPORT@"
 LDFLAGS_RPATH="@LDFLAGS_RPATH@"
 LIBS="-L${libdir} -lobjfw @LIBS@"
 PLUGIN_CFLAGS="@PLUGIN_CFLAGS@"
 PLUGIN_LDFLAGS="@PLUGIN_LDFLAGS@"