From b3a33281ea8ed254b0a95ec07060fa0de4ec91b7 Mon Sep 17 00:00:00 2001
From: Martin Landa <landa.martin@gmail.com>
Date: Fri, 7 Apr 2023 09:46:47 +0200
Subject: [PATCH] do not require height/height_column if elevation specified
 (#2911)

---
 vector/v.extrude/main.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/vector/v.extrude/main.c b/vector/v.extrude/main.c
index 92d32d46e6c..40afa5ccb34 100644
--- a/vector/v.extrude/main.c
+++ b/vector/v.extrude/main.c
@@ -144,14 +144,11 @@ int main(int argc, char *argv[])
 
     G_gisinit(argv[0]);
 
+    G_option_required(opt.height, opt.hcolumn, opt.elevation, NULL);
+
     if (G_parser(argc, argv))
 	exit(EXIT_FAILURE);
 
-    if (!opt.height->answer && !opt.hcolumn->answer) {
-	G_fatal_error(_("One of '%s' or '%s' parameters must be set"),
-		      opt.height->key, opt.hcolumn->key);
-    }
-
     sscanf(opt.zshift->answer, "%lf", &voffset);
     G_debug(1, "voffset = %f", voffset);