+diff -u -r ../fish-shell-master/Makefile.in ./Makefile.in
+--- ../fish-shell-master/Makefile.in 2015-09-30 09:14:09.000000000 -0400
++++ ./Makefile.in 2015-09-30 18:30:13.271683017 -0400
+@@ -59,7 +59,7 @@
+ PCRE2_LIBDIR = $(PCRE2_DIR)/.libs
+ PCRE2_LIB = $(PCRE2_LIBDIR)/libpcre2-$(PCRE2_WIDTH).a
+ PCRE2_H = $(PCRE2_DIR)/src/pcre2.h
+-PCRE2_CONFIG = --disable-pcre2-8 --enable-pcre2-$(PCRE2_WIDTH) --disable-shared
++PCRE2_CONFIG = --disable-pcre2-8 --enable-pcre2-$(PCRE2_WIDTH) --disable-shared $(PCRE2_CONFIG_EXTRAS)
+
+ #
+ # Various flags