diff --git a/buildsys.mk.in b/buildsys.mk.in
index de526d6..f657859 100644
--- a/buildsys.mk.in
+++ b/buildsys.mk.in
@@ -45,6 +45,7 @@ OBJCFLAGS = @OBJCFLAGS@
 OBJCXXFLAGS = @OBJCXXFLAGS@
 LDFLAGS = @LDFLAGS@
 LDFLAGS_RPATH = @LDFLAGS_RPATH@
+LDFLAGS_INSTALL_NAME = @LDFLAGS_INSTALL_NAME@
 LIBS = @LIBS@
 PYTHON_FLAGS = @PYTHON_FLAGS@
 PROG_IMPLIB_NEEDED = @PROG_IMPLIB_NEEDED@
@@ -259,7 +260,7 @@ ${SHARED_LIB} ${SHARED_LIB_NOINST}: ${EXT_DEPS} ${LIB_OBJS} ${LIB_OBJS_EXTRA}
 		done; \
 		cd ..; \
 	done; \
-	if ${LD} -o $@ $$objs ${LIB_LDFLAGS} ${LDFLAGS} ${LIBS}; then \
+	if ${LD} -o $@ $$objs ${LIB_LDFLAGS} ${LDFLAGS_INSTALL_NAME} ${LDFLAGS} ${LIBS}; then \
 		${LINK_OK}; \
 	else \
 		${LINK_FAILED}; \
@@ -387,7 +388,7 @@ locales: ${MO_FILES}
 	${COMPILE_STATUS}
 	in="$<"; \
 	out="$@"; \
-	if ${CC} ${CFLAGS} ${CPPFLAGS} -c -o $@ $<; then \
+	if ${CC} ${CFLAGS} ${CPPFLAGS} ${CFLAGS_$@} -c -o $@ $<; then \
 		${COMPILE_OK}; \
 	else \
 		${COMPILE_FAILED}; \
@@ -396,7 +397,7 @@ locales: ${MO_FILES}
 	${COMPILE_LIB_STATUS}
 	in="$<"; \
 	out="$@"; \
-	if ${CC} ${LIB_CFLAGS} ${CFLAGS} ${CPPFLAGS} -c -o $@ $<; then \
+	if ${CC} ${LIB_CFLAGS} ${CFLAGS} ${CPPFLAGS} ${CFLAGS_$@} -c -o $@ $<; then \
 		${COMPILE_LIB_OK}; \
 	else \
 		${COMPILE_LIB_FAILED}; \
@@ -405,7 +406,7 @@ locales: ${MO_FILES}
 	${COMPILE_PLUGIN_STATUS}
 	in="$<"; \
 	out="$@"; \
-	if ${CC} ${PLUGIN_CFLAGS} ${CFLAGS} ${CPPFLAGS} -c -o $@ $<; then \
+	if ${CC} ${PLUGIN_CFLAGS} ${CFLAGS} ${CPPFLAGS} ${CFLAGS_$@} -c -o $@ $<; then \
 		${COMPILE_PLUGIN_OK}; \
 	else \
 		${COMPILE_PLUGIN_FAILED}; \
@@ -415,7 +416,7 @@ locales: ${MO_FILES}
 	${COMPILE_STATUS}
 	in="$<"; \
 	out="$@"; \
-	if ${CXX} ${CXXFLAGS} ${CPPFLAGS} -c -o $@ $<; then \
+	if ${CXX} ${CXXFLAGS} ${CPPFLAGS} ${CXXFLAGS_$@} -c -o $@ $<; then \
 		${COMPILE_OK}; \
 	else \
 		${COMPILE_FAILED}; \
@@ -424,7 +425,7 @@ locales: ${MO_FILES}
 	${COMPILE_LIB_STATUS}
 	in="$<"; \
 	out="$@"; \
-	if ${CXX} ${LIB_CFLAGS} ${CXXFLAGS} ${CPPFLAGS} -c -o $@ $<; then \
+	if ${CXX} ${LIB_CFLAGS} ${CXXFLAGS} ${CPPFLAGS} ${CXXFLAGS_$@} -c -o $@ $<; then \
 		${COMPILE_LIB_OK}; \
 	else \
 		${COMPILE_LIB_FAILED}; \
@@ -433,7 +434,7 @@ locales: ${MO_FILES}
 	${COMPILE_PLUGIN_STATUS}
 	in="$<"; \
 	out="$@"; \
-	if ${CXX} ${PLUGIN_CFLAGS} ${CXXFLAGS} ${CPPFLAGS} -c -o $@ $<; then \
+	if ${CXX} ${PLUGIN_CFLAGS} ${CXXFLAGS} ${CPPFLAGS} ${CXXFLAGS_$@} -c -o $@ $<; then \
 		${COMPILE_PLUGIN_OK}; \
 	else \
 		${COMPILE_PLUGIN_FAILED}; \
@@ -481,7 +482,7 @@ locales: ${MO_FILES}
 	${COMPILE_STATUS}
 	in="$<"; \
 	out="$@"; \
-	if ${OBJC} ${OBJCFLAGS} ${CPPFLAGS} -c -o $@ $<; then \
+	if ${OBJC} ${OBJCFLAGS} ${CPPFLAGS} ${OBJCFLAGS_$@} -c -o $@ $<; then \
 		${COMPILE_OK}; \
 	else \
 		${COMPILE_FAILED}; \
@@ -490,7 +491,7 @@ locales: ${MO_FILES}
 	${COMPILE_LIB_STATUS}
 	in="$<"; \
 	out="$@"; \
-	if ${OBJC} ${LIB_CFLAGS} ${OBJCFLAGS} ${CPPFLAGS} -c -o $@ $<; then \
+	if ${OBJC} ${LIB_CFLAGS} ${OBJCFLAGS} ${CPPFLAGS} ${OBJCFLAGS_$@} -c -o $@ $<; then \
 		${COMPILE_LIB_OK}; \
 	else \
 		${COMPILE_LIB_FAILED}; \
@@ -499,7 +500,7 @@ locales: ${MO_FILES}
 	${COMPILE_PLUGIN_STATUS}
 	in="$<"; \
 	out="$@"; \
-	if ${OBJC} ${PLUGIN_CFLAGS} ${OBJCFLAGS} ${CPPFLAGS} -c -o $@ $<; then \
+	if ${OBJC} ${PLUGIN_CFLAGS} ${OBJCFLAGS} ${CPPFLAGS} ${OBJCFLAGS_$@} -c -o $@ $<; then \
 		${COMPILE_PLUGIN_OK}; \
 	else \
 		${COMPILE_PLUGIN_FAILED}; \
@@ -509,7 +510,7 @@ locales: ${MO_FILES}
 	${COMPILE_STATUS}
 	in="$<"; \
 	out="$@"; \
-	if ${OBJCXX} ${OBJCXXFLAGS} ${OBJCFLAGS} ${CXXFLAGS} ${CPPFLAGS} -c -o $@ $<; then \
+	if ${OBJCXX} ${OBJCXXFLAGS} ${OBJCFLAGS} ${CXXFLAGS} ${CPPFLAGS} ${OBJCXXFLAGS_$@} -c -o $@ $<; then \
 		${COMPILE_OK}; \
 	else \
 		${COMPILE_FAILED}; \
@@ -518,7 +519,7 @@ locales: ${MO_FILES}
 	${COMPILE_LIB_STATUS}
 	in="$<"; \
 	out="$@"; \
-	if ${OBJCXX} ${LIB_CFLAGS} ${OBJCXXFLAGS} ${OBJCFLAGS} ${CXXFLAGS} ${CPPFLAGS} -c -o $@ $<; then \
+	if ${OBJCXX} ${LIB_CFLAGS} ${OBJCXXFLAGS} ${OBJCFLAGS} ${CXXFLAGS} ${CPPFLAGS} ${OBJCXXFLAGS_$@} -c -o $@ $<; then \
 		${COMPILE_LIB_OK}; \
 	else \
 		${COMPILE_LIB_FAILED}; \
@@ -527,7 +528,7 @@ locales: ${MO_FILES}
 	${COMPILE_PLUGIN_STATUS}
 	in="$<"; \
 	out="$@"; \
-	if ${OBJCXX} ${PLUGIN_CFLAGS} ${OBJCXXFLAGS} ${OBJCFLAGS} ${CXXFLAGS} ${CPPFLAGS} -c -o $@ $<; then \
+	if ${OBJCXX} ${PLUGIN_CFLAGS} ${OBJCXXFLAGS} ${OBJCFLAGS} ${CXXFLAGS} ${CPPFLAGS} ${OBJCXXFLAGS_$@} -c -o $@ $<; then \
 		${COMPILE_PLUGIN_OK}; \
 	else \
 		${COMPILE_PLUGIN_FAILED}; \
@@ -567,7 +568,7 @@ locales: ${MO_FILES}
 	${COMPILE_STATUS}
 	in="$<"; \
 	out="$@"; \
-	if ${AS} ${ASFLAGS} ${CPPFLAGS} -c -o $@ $<; then \
+	if ${AS} ${ASFLAGS} ${CPPFLAGS} ${ASFLAGS_$@} -c -o $@ $<; then \
 		${COMPILE_OK}; \
 	else \
 		${COMPILE_FAILED}; \
@@ -576,7 +577,7 @@ locales: ${MO_FILES}
 	${COMPILE_LIB_STATUS}
 	in="$<"; \
 	out="$@"; \
-	if ${AS} ${LIB_CFLAGS} ${ASFLAGS} ${CPPFLAGS} -c -o $@ $<; then \
+	if ${AS} ${LIB_CFLAGS} ${ASFLAGS} ${CPPFLAGS} ${ASFLAGS_$@} -c -o $@ $<; then \
 		${COMPILE_LIB_OK}; \
 	else \
 		${COMPILE_LIB_FAILED}; \
@@ -585,7 +586,7 @@ locales: ${MO_FILES}
 	${COMPILE_PLUGIN_STATUS}
 	in="$<"; \
 	out="$@"; \
-	if ${AS} ${PLUGIN_CFLAGS} ${ASFLAGS} ${CPPFLAGS} -c -o $@ $<; then \
+	if ${AS} ${PLUGIN_CFLAGS} ${ASFLAGS} ${CPPFLAGS} ${ASFLAGS_$@} -c -o $@ $<; then \
 		${COMPILE_PLUGIN_OK}; \
 	else \
 		${COMPILE_PLUGIN_FAILED}; \
@@ -595,7 +596,7 @@ locales: ${MO_FILES}
 	${COMPILE_STATUS}
 	in="$<"; \
 	out="$@"; \
-	if ${CC} ${CFLAGS} ${CPPFLAGS} -x c -c -o $@ $<; then \
+	if ${CC} ${CFLAGS} ${CPPFLAGS} ${CFLAGS_$@} -x c -c -o $@ $<; then \
 		${COMPILE_OK}; \
 	else \
 		${COMPILE_FAILED}; \
@@ -604,7 +605,7 @@ locales: ${MO_FILES}
 	${COMPILE_LIB_STATUS}
 	in="$<"; \
 	out="$@"; \
-	if ${CC} ${LIB_CFLAGS} ${CFLAGS} ${CPPFLAGS} -x c -c -o $@ $<; then \
+	if ${CC} ${LIB_CFLAGS} ${CFLAGS} ${CPPFLAGS} ${CFLAGS_$@} -x c -c -o $@ $<; then \
 		${COMPILE_LIB_OK}; \
 	else \
 		${COMPILE_LIB_FAILED}; \
@@ -613,7 +614,7 @@ locales: ${MO_FILES}
 	${COMPILE_PLUGIN_STATUS}
 	in="$<"; \
 	out="$@"; \
-	if ${CC} ${PLUGIN_CFLAGS} ${CFLAGS} ${CPPFLAGS} -x c -c -o $@ $<; then \
+	if ${CC} ${PLUGIN_CFLAGS} ${CFLAGS} ${CPPFLAGS} ${CFLAGS_$@} -x c -c -o $@ $<; then \
 		${COMPILE_PLUGIN_OK}; \
 	else \
 		${COMPILE_PLUGIN_FAILED}; \
@@ -827,6 +828,17 @@ distclean: clean
 		fi \
 	done
 
+print-hierarchy:
+	for i in ${SUBDIRS} ${SUBDIRS_AFTER}; do \
+		echo ${PRINT_HIERARCHY_PREFIX}$$i; \
+		cd $$i || exit $$?; \
+		${MAKE} ${MFLAGS} PRINT_HIERARCHY_PREFIX=$$i/ print-hierarchy || exit $$?; \
+		cd .. || exit $$?; \
+	done
+
+print-var:
+	printf '%s\n' '${${VAR}}'
+
 DIR_ENTER = printf "@TERM_EL@@TERM_SETAF6@Entering directory @TERM_BOLD@%s@TERM_SGR0@@TERM_SETAF6@.@TERM_SGR0@\n" "$$i"; cd $$i || exit $$?
 DIR_LEAVE = printf "@TERM_EL@@TERM_SETAF6@Leaving directory @TERM_BOLD@%s@TERM_SGR0@@TERM_SETAF6@.@TERM_SGR0@\n" "$$i"; cd .. || exit $$?
 DEPEND_STATUS = printf "@TERM_EL@@TERM_SETAF3@Generating dependencies...@TERM_SGR0@\r"
diff --git a/m4/buildsys.m4 b/m4/buildsys.m4
index d71fc8a..71f33ec 100644
--- a/m4/buildsys.m4
+++ b/m4/buildsys.m4
@@ -120,10 +120,11 @@ AC_DEFUN([BUILDSYS_SHARED_LIB], [
 		darwin*)
 			AC_MSG_RESULT(Darwin)
 			LIB_CFLAGS='-fPIC -DPIC'
-			LIB_LDFLAGS='-dynamiclib -current_version ${LIB_MAJOR}.${LIB_MINOR} -compatibility_version ${LIB_MAJOR} -Wl,-install_name,${libdir}/$${out%.dylib}.${LIB_MAJOR}.dylib'
+			LIB_LDFLAGS='-dynamiclib -current_version ${LIB_MAJOR}.${LIB_MINOR} -compatibility_version ${LIB_MAJOR}'
 			LIB_PREFIX='lib'
 			LIB_SUFFIX='.dylib'
 			LDFLAGS_RPATH='-Wl,-rpath,${libdir}'
+			LDFLAGS_INSTALL_NAME='-Wl,-install_name,${libdir}/$${out%.dylib}.${LIB_MAJOR}.dylib'
 			PLUGIN_CFLAGS='-fPIC -DPIC'
 			PLUGIN_LDFLAGS='-bundle -undefined dynamic_lookup'
 			PLUGIN_SUFFIX='.bundle'
@@ -194,6 +195,7 @@ AC_DEFUN([BUILDSYS_SHARED_LIB], [
 	AC_SUBST(LIB_PREFIX)
 	AC_SUBST(LIB_SUFFIX)
 	AC_SUBST(LDFLAGS_RPATH)
+	AC_SUBST(LDFLAGS_INSTALL_NAME)
 	AC_SUBST(PLUGIN_CFLAGS)
 	AC_SUBST(PLUGIN_LDFLAGS)
 	AC_SUBST(PLUGIN_SUFFIX)