diff --git a/Makefile b/Makefile
index 7c8dc71..c5c1271 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,9 @@
 CC = gcc
 CFLAGS = -std=c99 -Wall -Wextra -D_XOPEN_SOURCE -DDEBUG -g ${OPTIMIZE}
-INCS = -Ivm -Ivendor/gc/build/include -Ivendor `pkg-config --cflags libpcre`
-LIBS = ${GC}
-PKG_LIBS = `pkg-config --libs libpcre`
-GC = vendor/gc/build/lib/libgc.a
+INCS = -Ivm -Ivendor/gc/include -Ivendor/pcre -Ivendor
+LIBS = ${GC} ${PCRE}
+GC = vendor/gc/.libs/libgc.a
+PCRE = vendor/pcre/.libs/libpcre.a
 LEG = vendor/peg/leg
 FREEGETOPT = vendor/freegetopt/getopt.o
 
@@ -47,7 +47,11 @@ ${LEG}:
 
 ${GC}:
 	@echo " make gc"
-	@cd vendor/gc && ./configure --prefix=`pwd`/build --disable-threads -q && make -s && make install -s
+	@cd vendor/gc && ./configure --disable-threads -q && make -s
+
+${PCRE}:
+	@echo " make pcre"
+	@cd vendor/pcre && ./configure -q && make -s
 
 test: tinyrb
 	@ruby test/runner
diff --git a/README.rdoc b/README.rdoc
index ce9b3f0..ccebccf 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -14,20 +14,8 @@ http://github.com/macournoyer/tinyrb
 
 == Install
 
-  # If you're on Mac OS X or don't already have pkg-config
-  sudo port install pkg-config
-  
-  # Install PCRE for regexp stuff
-  # on Mac OS X
-  sudo port install pcre
-  # on Linux
-  sudo apt-get install libpcre3-dev
-  
-  # Build tinyrb
   make
-  
-  # Test it (optional)
-  make test
+  make test # optional
   ./tinyrb -h
 
 == What WON'T be in tinyrb (tiny patches accepted)
@@ -55,5 +43,7 @@ Inspired by:
 
 kvec.h and khash.h (c) 2008, by Attractive Chaos <attractivechaos@aol.co.uk>
 GC Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers
+PCRE Copyright (c) 1997-2008 University of Cambridge released under BSD license
 
-(c) Marc-Andre Cournoyer <macournoyer@gmail.com>
+tinyrb is Copyright (c) Marc-Andre Cournoyer <macournoyer@gmail.com> and
+released under Ruby license