Index: head/games/pachi-game-engine/files/patch-Makefile
===================================================================
--- head/games/pachi-game-engine/files/patch-Makefile	(revision 512698)
+++ head/games/pachi-game-engine/files/patch-Makefile	(revision 512699)
@@ -1,43 +1,52 @@
 --- Makefile.orig	2019-03-31 19:01:16 UTC
 +++ Makefile
+@@ -12,7 +12,7 @@
+ # Otherwise you may do without to enable more aggressive optimizations
+ # for this machine only.
+ 
+-# GENERIC=1
++GENERIC=1
+ 
+ # Do you compile on Windows instead of Linux ?
+ # Please note that performance may not be optimal.
 @@ -105,8 +105,8 @@ DATADIR ?= $(PREFIX)/share/pachi
  # unless PROFILING=gprof.)
  OPT ?= -O3
  COMMON_FLAGS := -Wall -ggdb3 $(OPT) -D_GNU_SOURCE
 -CFLAGS       := -std=gnu99 -pthread -Wsign-compare -Wno-format-zero-length
 -CXXFLAGS     := -std=c++11
 +CFLAGS       += -std=gnu99 -pthread -Wsign-compare -Wno-format-zero-length
 +CXXFLAGS     += -std=c++11
  
  
  ##############################################################################
 @@ -290,7 +290,7 @@ spudfrog: FORCE
  	@CC="$(CC)" CFLAGS="$(CFLAGS)" ./spudfrog
  
  # Build info
 -build.h: .git/HEAD .git/index Makefile
 +build.h: Makefile
  	+@make spudfrog
  	@echo "[make] build.h"
  	@CC="$(CC)" CFLAGS="$(CFLAGS)" ./genbuild > $@
 @@ -324,15 +324,15 @@ distribute: FORCE
  
  # install-recursive?
  install: distribute
 -	$(INSTALL) -d $(BINDIR)
 -	$(INSTALL) distribute/pachi $(BINDIR)/
 +	$(INSTALL) -d $(DESTDIR)/$(BINDIR)
 +	$(INSTALL) distribute/pachi $(DESTDIR)/$(BINDIR)/
  
  install-data:
 -	$(INSTALL) -d $(DATADIR)
 +	$(INSTALL) -d $(DESTDIR)/$(DATADIR)
  	@for file in $(DATAFILES); do                               \
  		if [ -f $$file ]; then                              \
 -                        echo $(INSTALL) $$file $(DATADIR)/;         \
 -			$(INSTALL) $$file $(DATADIR)/;              \
 +                        echo $(INSTALL) $$file $(DESTDIR)/$(DATADIR)/;         \
 +			$(INSTALL) $$file $(DESTDIR)/$(DATADIR)/;              \
  		else                                                \
  			echo "WARNING: $$file datafile is missing"; \
                  fi                                                  \