added buffrecv to configure.in

added missing #ifdef CGC  

configure.in

@@ -7,6 +7,7 @@ AC_PROG_CC
 AC_ARG_ENABLE([debugging],              [  --enable-debugging                enable -g when compiling])
 AC_ARG_ENABLE([cgc],              	[  --enable-cgc                enable -DCGC when compiling for CGC binaries])
 AC_ARG_ENABLE([inferfn],              	[  --enable-inferfn                enable -DCGC when compiling for CGC binaries])
+AC_ARG_ENABLE([buffrecv],              	[  --enable-buffrecv                enable -DCGC when compiling for CGC binaries])
 AC_ARG_ENABLE([libc],              	[  --enable-libc                enable $1 for building ])
 
 enable_dir()
@@ -28,7 +29,7 @@ enable_dir()
 	fi
 }
 
-OPTIMIZE="-O3"
+OPTIMIZE="-O"
 if test "$enable_debugging" = yes; then
         OPTIMIZE="-g  -DDEBUG"
 fi
@@ -71,6 +72,7 @@ enable_dir rss
 enable_dir hookdynamic
 enable_dir canaries
 enable_dir cookbook
+enable_dir buffrecv
 
 AC_OUTPUT(Makefile)
 

libc/src/close.c

@@ -23,6 +23,8 @@
 
 int close(int fd)
 {
+#ifndef CGC
 	syscall(SYS_close,fd);
+#endif
 }
 

libc/src/open.c

@@ -23,6 +23,8 @@
 
 int open(char *file, int mode)
 {
+#ifndef CGC
 	syscall(SYS_open,file,mode);
+#endif
 }