Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -418,11 +418,11 @@
 
 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${LIB_SUFFIX}")
+	AC_SUBST(OBJFW_SHARED_LIB, '${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([
@@ -583,11 +583,11 @@
 	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${LIB_SUFFIX}")
+			'${LIB_PREFIX}objfwrt${LIB_SUFFIX}')
 	])
 
 	AS_IF([test x"$enable_static" = x"yes"], [
 		AC_SUBST(OBJFWRT_STATIC_LIB, "libobjfwrt.a")
 	])
@@ -1793,11 +1793,11 @@
 
 		OFHTTP_LIBS="-lobjfwtls $TLS_LIBS $OFHTTP_LIBS"
 
 		AS_IF([test x"$enable_shared" != x"no"], [
 			AC_SUBST(OBJFWTLS_SHARED_LIB,
-				"${LIB_PREFIX}objfwtls${LIB_SUFFIX}")
+				'${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")
 		])
@@ -1917,11 +1917,11 @@
 		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${LIB_SUFFIX}")
+				'${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")
 		])