How can I run a sed command after autoconf.sh runs in the build system?

I need to run $(SED) 's/ -shared / -Wl,-O1,--as-needed\0/g' libtool in my define Build/Configure after ./configure is run. How can I accomplish this?

define Build/Configure
        ( cd $(PKG_BUILD_DIR); ./autogen.sh );
        $(call Build/Configure/Default)
endef

Here is the Makefile I am drafting.

Don‘t call autogen.sh, use PKG_FIXUP:=autoreconf instead.

I will try that... so you are recommending to change this:

define Build/Configure
        ( cd $(PKG_BUILD_DIR); ./autogen.sh );
        $(call Build/Configure/Default)
endef

To this:

PKG_FIXUP:=autoreconf

define Build/Configure
        $(call Build/Configure/Default)
endef