Fix up Lua formula a bit

Formula/lua.rb

@@ -2,13 +2,119 @@ require 'brewkit'
 
 class Lua <Formula
   @url='http://www.lua.org/ftp/lua-5.1.4.tar.gz'
-  @homepage=''
+  @homepage='http://www.lua.org/'
   @md5='d0870f2de55d59c1c8419f36e8fac150'
+  
+  def patches
+    { :p1 => DATA }
+  end
 
   def install
     inreplace 'Makefile', '/usr/local', prefix
+    inreplace 'src/luaconf.h', '/usr/local', prefix
+    inreplace 'etc/lua.pc', '/usr/local', prefix
+
     inreplace 'Makefile', 'man/man1', 'share/man/man1'
+    inreplace 'etc/lua.pc', 'man/man1', 'share/man/man1'
+
+    ENV["CFLAGS"] += " -DLUA_USE_LINUX"
+
     system "make macosx"
     system "make install"
   end
 end
+
+
+__END__
+diff -Naur lua-5.1.4/Makefile lua-5.1.4-2/Makefile
+--- lua-5.1.4/Makefile	2008-08-11 18:40:48.000000000 -0600
++++ lua-5.1.4-2/Makefile	2009-09-04 16:30:22.000000000 -0600
+@@ -13,7 +13,7 @@
+ INSTALL_BIN= $(INSTALL_TOP)/bin
+ INSTALL_INC= $(INSTALL_TOP)/include
+ INSTALL_LIB= $(INSTALL_TOP)/lib
+-INSTALL_MAN= $(INSTALL_TOP)/man/man1
++INSTALL_MAN= $(INSTALL_TOP)/share/man/man1
+ #
+ # You probably want to make INSTALL_LMOD and INSTALL_CMOD consistent with
+ # LUA_ROOT, LUA_LDIR, and LUA_CDIR in luaconf.h (and also with etc/lua.pc).
+diff -Naur lua-5.1.4/etc/Makefile lua-5.1.4-2/etc/Makefile
+--- lua-5.1.4/etc/Makefile	2006-02-07 12:09:30.000000000 -0700
++++ lua-5.1.4-2/etc/Makefile	2009-09-04 16:49:51.000000000 -0600
+@@ -7,10 +7,9 @@
+ SRC= $(TOP)/src
+ TST= $(TOP)/test
+ 
+-CC= gcc
+-CFLAGS= -O2 -Wall -I$(INC) $(MYCFLAGS)
++CC= gcc-4.2
+ MYCFLAGS= 
+-MYLDFLAGS= -Wl,-E
++MYLDFLAGS= $(LDFLAGS) -Wl,-E
+ MYLIBS= -lm
+ #MYLIBS= -lm -Wl,-E -ldl -lreadline -lhistory -lncurses
+ RM= rm -f
+@@ -19,7 +18,7 @@
+ 	@echo 'Please choose a target: min noparser one strict clean'
+ 
+ min:	min.c
+-	$(CC) $(CFLAGS) $@.c -L$(LIB) -llua $(MYLIBS)
++	$(CC) $(CFLAGS) -I$(INC) $@.c -L$(LIB) -llua $(MYLIBS)
+ 	echo 'print"Hello there!"' | ./a.out
+ 
+ noparser: noparser.o
+@@ -29,7 +28,7 @@
+ 	-./a.out -e'a=1'
+ 
+ one:
+-	$(CC) $(CFLAGS) all.c $(MYLIBS)
++	$(CC) $(CFLAGS) -I$(INC) all.c $(MYLIBS)
+ 	./a.out $(TST)/hello.lua
+ 
+ strict:
+diff -Naur lua-5.1.4/etc/lua.pc lua-5.1.4-2/etc/lua.pc
+--- lua-5.1.4/etc/lua.pc	2008-08-08 06:46:11.000000000 -0600
++++ lua-5.1.4-2/etc/lua.pc	2009-09-04 16:30:35.000000000 -0600
+@@ -12,7 +12,7 @@
+ INSTALL_BIN= ${prefix}/bin
+ INSTALL_INC= ${prefix}/include
+ INSTALL_LIB= ${prefix}/lib
+-INSTALL_MAN= ${prefix}/man/man1
++INSTALL_MAN= ${prefix}/share/man/man1
+ INSTALL_LMOD= ${prefix}/share/lua/${V}
+ INSTALL_CMOD= ${prefix}/lib/lua/${V}
+ 
+diff -Naur lua-5.1.4/src/Makefile lua-5.1.4-2/src/Makefile
+--- lua-5.1.4/src/Makefile	2008-01-19 12:37:58.000000000 -0700
++++ lua-5.1.4-2/src/Makefile	2009-09-04 16:49:18.000000000 -0600
+@@ -7,15 +7,14 @@
+ # Your platform. See PLATS for possible values.
+ PLAT= none
+ 
+-CC= gcc
+-CFLAGS= -O2 -Wall $(MYCFLAGS)
++CC= gcc-4.2
+ AR= ar rcu
+ RANLIB= ranlib
+ RM= rm -f
+ LIBS= -lm $(MYLIBS)
+ 
+ MYCFLAGS=
+-MYLDFLAGS=
++MYLDFLAGS= $(LDFLAGS)
+ MYLIBS=
+ 
+ # == END OF USER SETTINGS. NO NEED TO CHANGE ANYTHING BELOW THIS LINE =========
+@@ -52,10 +51,10 @@
+ 	$(RANLIB) $@
+ 
+ $(LUA_T): $(LUA_O) $(LUA_A)
+-	$(CC) -o $@ $(MYLDFLAGS) $(LUA_O) $(LUA_A) $(LIBS)
++	$(CC) $(CFLAGS) -o $@ $(MYLDFLAGS) $(LUA_O) $(LUA_A) $(LIBS)
+ 
+ $(LUAC_T): $(LUAC_O) $(LUA_A)
+-	$(CC) -o $@ $(MYLDFLAGS) $(LUAC_O) $(LUA_A) $(LIBS)
++	$(CC) $(CFLAGS) -o $@ $(MYLDFLAGS) $(LUAC_O) $(LUA_A) $(LIBS)
+ 
+ clean:
+ 	$(RM) $(ALL_T) $(ALL_O)