From 2cbb3e45ca3f9e3392acc607ded7f46b4f2cd798 Mon Sep 17 00:00:00 2001
From: Pierre Hallot <hallotpierre@gmail.com>
Date: Mon, 4 Jan 2021 16:49:01 +0100
Subject: [PATCH] Look for xsltproc when needed; to fail early

Signed-off-by: Pierre Hallot <hallotpierre@gmail.com>
---
 man/CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/man/CMakeLists.txt b/man/CMakeLists.txt
index 4390c1ef..9399a686 100644
--- a/man/CMakeLists.txt
+++ b/man/CMakeLists.txt
@@ -1,4 +1,9 @@
 if(NOT WIN32)
+	find_program(XSLTPROC xsltproc REQUIRED)
+	if(NOT XSLTPROC)
+    message(FATAL_ERROR "xsltproc not found: manpages cannot be built")
+	endif()
+
 	function(compile_manpage page)
 		add_custom_command(OUTPUT ${CMAKE_SOURCE_DIR}/man/${page}
 			COMMAND xsltproc ${CMAKE_SOURCE_DIR}/man/${page}.xml -o ${CMAKE_SOURCE_DIR}/man/