-TERMUX_PKG_FOLDERNAME=procps-ng-${TERMUX_PKG_VERSION}
-TERMUX_PKG_EXTRA_CONFIGURE_ARGS="ac_cv_search_dlopen= --enable-sigwinch --disable-modern-top"
+# error.h and stdio_ext.h in unified headers does
+# not provide any functionality prior to android-23:
+TERMUX_PKG_EXTRA_CONFIGURE_ARGS="
+ac_cv_search_dlopen=
+ac_cv_header_error_h=no
+ac_cv_header_stdio_ext_h=no
+--enable-sigwinch
+--disable-modern-top
+"