From d8f824357f2e7645dcb6e7aa61d503a6b732ff43 Mon Sep 17 00:00:00 2001
From: Zeex <zeex@rocketmail.com>
Date: Sat, 20 Jun 2015 16:45:06 +0600
Subject: [PATCH] Don't remove unused public variables

But still warn about them unless they are marked as stock.

Fixes #71
---
 source/compiler/sc1.c | 2 +-
 source/compiler/sc6.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/source/compiler/sc1.c b/source/compiler/sc1.c
index 47f7947..7bf8a55 100644
--- a/source/compiler/sc1.c
+++ b/source/compiler/sc1.c
@@ -1976,7 +1976,7 @@ static void declglb(char *firstname,int firsttag,int fpublic,int fstatic,int fst
      * second stage), shut off code generation
      */
     cidx=0;             /* only to avoid a compiler warning */
-    if (sc_status==statWRITE && sym!=NULL && (sym->usage & (uREAD | uWRITTEN))==0) {
+    if (sc_status==statWRITE && sym!=NULL && (sym->usage & (uREAD | uWRITTEN | uPUBLIC))==0) {
       sc_status=statSKIP;
       cidx=code_idx;
       #if !defined NDEBUG
diff --git a/source/compiler/sc6.c b/source/compiler/sc6.c
index b22214d..1e235ae 100644
--- a/source/compiler/sc6.c
+++ b/source/compiler/sc6.c
@@ -747,7 +747,7 @@ SC_FUNC int assemble(FILE *fout,FILE *fin)
         mainaddr=sym->addr;
       } /* if */
     } else if (sym->ident==iVARIABLE) {
-      if ((sym->usage & uPUBLIC)!=0 && (sym->usage & (uREAD | uWRITTEN))!=0)
+      if ((sym->usage & uPUBLIC)!=0)
         match=++numpubvars;
     } /* if */
     if (match) {
@@ -924,7 +924,7 @@ SC_FUNC int assemble(FILE *fout,FILE *fin)
   /* write the public variables table */
   count=0;
   for (sym=glbtab.next; sym!=NULL; sym=sym->next) {
-    if (sym->ident==iVARIABLE && (sym->usage & uPUBLIC)!=0 && (sym->usage & (uREAD | uWRITTEN))!=0) {
+    if (sym->ident==iVARIABLE && (sym->usage & uPUBLIC)!=0) {
       assert((sym->usage & uDEFINE)!=0);
       assert(sym->vclass==sGLOBAL);
       func.address=sym->addr;