ports/lua/nacl.patch

diff --git a/Makefile b/Makefile
--- a/Makefile
+++ b/Makefile
@@ -36,10 +36,10 @@ RM= rm -f
 # == END OF USER SETTINGS -- NO NEED TO CHANGE ANYTHING BELOW THIS LINE =======
 
 # Convenience platforms targets.
-PLATS= aix bsd c89 freebsd generic linux macosx mingw posix solaris
+PLATS= aix bsd c89 freebsd generic linux macosx mingw posix solaris nacl-newlib nacl-glibc emscripten
 
 # What to install.
-TO_BIN= lua luac
+TO_BIN= lua$(EXEEXT) luac$(EXEEXT)
 TO_INC= lua.h luaconf.h lualib.h lauxlib.h lua.hpp
 TO_LIB= liblua.a
 TO_MAN= lua.1 luac.1
diff --git a/src/Makefile b/src/Makefile
--- a/src/Makefile
+++ b/src/Makefile
@@ -36,10 +36,10 @@ LIB_O=	lauxlib.o lbaselib.o lbitlib.o lcorolib.o ldblib.o liolib.o \
 	lmathlib.o loslib.o lstrlib.o ltablib.o lutf8lib.o loadlib.o linit.o
 BASE_O= $(CORE_O) $(LIB_O) $(MYOBJS)
 
-LUA_T=	lua
+LUA_T=	lua$(EXEEXT)
 LUA_O=	lua.o
 
-LUAC_T=	luac
+LUAC_T=	luac$(EXEEXT)
 LUAC_O=	luac.o
 
 ALL_O= $(BASE_O) $(LUA_O) $(LUAC_O)
@@ -106,6 +106,15 @@ freebsd:
 
 generic: $(ALL)
 
+nacl-newlib:
+	$(MAKE) all SYSCFLAGS="-DLUA_USE_POSIX -DLUA_USE_READLINE" SYSLIBS="-lreadline -lhistory -lncurses -lglibc-compat"
+
+nacl-glibc:
+	$(MAKE) all SYSCFLAGS="-DLUA_USE_LINUX" SYSLIBS="-Wl,-E -ldl -lreadline -lhistory -lncurses"
+
+emscripten:
+	$(MAKE) all SYSCFLAGS="-DLUA_USE_READLINE" SYSLIBS="-lreadline -lhistory -lncurses"
+
 linux:
 	$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_LINUX" SYSLIBS="-Wl,-E -ldl -lreadline"
 
diff --git a/src/liolib.c b/src/liolib.c
--- a/src/liolib.c
+++ b/src/liolib.c
@@ -75,7 +75,7 @@
 
 #if !defined(l_getc)		/* { */
 
-#if defined(LUA_USE_POSIX)
+#if defined(LUA_USE_POSIX) && !defined(__native_client__)
 #define l_getc(f)		getc_unlocked(f)
 #define l_lockfile(f)		flockfile(f)
 #define l_unlockfile(f)		funlockfile(f)