From 1d1e3e95270bec21860c503afca2cc448bcf9d07 Mon Sep 17 00:00:00 2001
From: Dirk Zimoch <dirk.zimoch@psi.ch>
Date: Thu, 12 Nov 2020 10:54:11 +0100
Subject: [PATCH] calc backward compatibility: allow incomplete conditional

---
 modules/libcom/src/calc/postfix.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/libcom/src/calc/postfix.c b/modules/libcom/src/calc/postfix.c
index d96b1b5a6..d141e514b 100644
--- a/modules/libcom/src/calc/postfix.c
+++ b/modules/libcom/src/calc/postfix.c
@@ -216,6 +216,7 @@ LIBCOM_API long
     int cond_count = 0;
     char * const pdest = pout;
     char *pnext;
+    const char* psrc_orig = psrc;
 
     if (psrc == NULL || *psrc == '\0' ||
         pout == NULL || perror == NULL) {
@@ -470,8 +471,12 @@ LIBCOM_API long
     *pout = END_EXPRESSION;
 
     if (cond_count != 0) {
+        fprintf(stderr, "Deprecated CALC \"%s\": %s\n",
+            psrc_orig, calcErrorStr(CALC_ERR_CONDITIONAL));
+/*
         *perror = CALC_ERR_CONDITIONAL;
         goto bad;
+*/
     }
     if (operand_needed || runtime_depth != 1) {
         *perror = CALC_ERR_INCOMPLETE;