--- js/src/Makefile.in.orig	2011-03-17 18:51:39.000000000 +0100
+++ js/src/Makefile.in	2011-03-18 19:41:09.000000000 +0100
@@ -612,7 +612,7 @@
 # to reliably get limit macros defined, we'd always have to define the
 # one below before including any header, but that's obscure and
 # fragile, so we do it here.
-DEFINES		+= -D__STDC_LIMIT_MACROS
+DEFINES		+= -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS
 
 INCLUDES	+= -I$(srcdir)
 
@@ -666,7 +666,8 @@
 endif # WINNT
 
 ifeq ($(OS_ARCH),FreeBSD)
-EXTRA_LIBS	+= -pthread
+DEFINES		+= -DFREEBSD
+EXTRA_LIBS	+= -pthread -lc
 endif
 ifeq ($(OS_ARCH),IRIX)
 ifdef USE_N32