diff --git a/buildsys.mk.in b/buildsys.mk.in
index 15a145f..181e5cc 100644
--- a/buildsys.mk.in
+++ b/buildsys.mk.in
@@ -61,6 +61,7 @@ PLUGIN_LDFLAGS = @PLUGIN_LDFLAGS@
 PLUGIN_SUFFIX = @PLUGIN_SUFFIX@
 FRAMEWORK_LDFLAGS = @FRAMEWORK_LDFLAGS@
 FRAMEWORK_LDFLAGS_INSTALL_NAME = @FRAMEWORK_LDFLAGS_INSTALL_NAME@
+CODESIGN = @CODESIGN@
 CODESIGN_IDENTITY ?= -
 INSTALL_LIB = @INSTALL_LIB@
 UNINSTALL_LIB = @UNINSTALL_LIB@
@@ -324,7 +325,7 @@ ${FRAMEWORK}: ${EXT_DEPS} ${LIB_OBJS} ${LIB_OBJS_EXTRA}
 		done; \
 		cd ..; \
 	done; \
-	if ${LD} -o $$out/$${out%.framework} $$objs ${FRAMEWORK_LDFLAGS} ${FRAMEWORK_LDFLAGS_INSTALL_NAME} ${LDFLAGS} ${LIBS} && codesign -fs ${CODESIGN_IDENTITY} --timestamp=none $$out; then \
+	if ${LD} -o $$out/$${out%.framework} $$objs ${FRAMEWORK_LDFLAGS} ${FRAMEWORK_LDFLAGS_INSTALL_NAME} ${LDFLAGS} ${LIBS} && ${CODESIGN} -fs ${CODESIGN_IDENTITY} --timestamp=none $$out; then \
 		${LINK_OK}; \
 	else \
 		rm -fr $$out; \
diff --git a/m4/buildsys.m4 b/m4/buildsys.m4
index 837a824..fd61c05 100644
--- a/m4/buildsys.m4
+++ b/m4/buildsys.m4
@@ -241,6 +241,8 @@ AC_DEFUN([BUILDSYS_FRAMEWORK], [
 	AC_REQUIRE([AC_CANONICAL_HOST])
 	AC_REQUIRE([BUILDSYS_SHARED_LIB])
 
+	AC_CHECK_TOOL(CODESIGN, codesign)
+
 	case "$host_os" in
 		darwin*)
 			AC_MSG_CHECKING(whether host is iOS)