--- ./build/parseReqs.c.orig	2017-10-05 10:04:56.887602165 +0000
+++ ./build/parseReqs.c	2017-12-01 16:00:06.956343096 +0000
@@ -42,7 +42,7 @@ static rpmRC checkEpoch(const char *s, c
     return RPMRC_OK;
 }
 
-static rpmRC checkDep(rpmSpec spec, char *N, char *EVR, char **emsg)
+static rpmRC checkDep(rpmSpec spec, rpmsenseFlags tagflags, char *N, char *EVR, char **emsg)
 {
     /* 
      * Tokens must begin with alphanumeric, _, or /, but we don't know
@@ -65,6 +65,11 @@ static rpmRC checkDep(rpmSpec spec, char
 
 	    if (rpmExpandNumeric("%{?_wrong_version_format_terminate_build}"))
 		return RPMRC_FAIL;
+	    if (tagflags & (RPMSENSE_FIND_REQUIRES|RPMSENSE_FIND_PROVIDES))
+		rpmlog(RPMLOG_WARNING, "%s\n", *emsg);
+	    else
+		rpmlog(RPMLOG_WARNING, _("line %d: %s: %s\n"), spec->lineNum, *emsg, spec->line);
+	    *emsg = _free(*emsg);
 	}
     }
     return RPMRC_OK;
@@ -72,6 +77,7 @@ static rpmRC checkDep(rpmSpec spec, char
 
 struct parseRCPOTRichData {
     rpmSpec spec;
+    rpmsenseFlags tagflags;
     StringBuf sb;
 };
 
@@ -109,7 +115,7 @@ static rpmRC parseRCPOTRichCB(void *cbda
 	    appendStringBuf(sb, rel);
 	    appendStringBuf(sb, EVR);
 	}
-	rc = checkDep(data->spec, N, EVR, emsg);
+	rc = checkDep(data->spec, data->tagflags, N, EVR, emsg);
 	_free(N);
 	_free(EVR);
     } else if (type == RPMRICH_PARSE_OP) {
@@ -223,6 +229,7 @@ rpmRC parseRCPOT(rpmSpec spec, Package p
 		goto exit;
 	    }
 	    data.spec = spec;
+	    data.tagflags = tagflags;
 	    data.sb = newStringBuf();
 	    if (rpmrichParseForTag(&r, &emsg, parseRCPOTRichCB, &data, nametag) != RPMRC_OK) {
 		freeStringBuf(data.sb);
@@ -274,7 +281,7 @@ rpmRC parseRCPOT(rpmSpec spec, Package p
 	}
 
 	/* check that dependency is well-formed */
-	if (checkDep(spec, N, EVR, &emsg))
+	if (checkDep(spec, tagflags, N, EVR, &emsg))
 	    goto exit;
 
 	if (nametag == RPMTAG_FILETRIGGERNAME ||
--- ./macros.in.orig	2017-12-01 16:00:02.705355493 +0000
+++ ./macros.in	2017-12-01 16:00:06.957343106 +0000
@@ -456,7 +456,7 @@ package or when debugging this package.\
 %_invalid_encoding_terminates_build 0
 
 # Should invalid version format in requires, provides, ... terminate a build?
-%_wrong_version_format_terminate_build 1
+%_wrong_version_format_terminate_build 0
 
 #
 # Should rpm try to download missing sources at build-time?