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From d4dd77f5ca2e0b3b53aaef59c7bb692517fc2848 Mon Sep 17 00:00:00 2001
From: Sam James <sam@gentoo.org>
Date: Mon, 14 Mar 2022 13:39:01 +0000
Subject: [PATCH] Fix automagic halibut/docs

---
 CMakeLists.txt | 25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index cdad437..11a05e7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -62,17 +62,20 @@ if(NOT CMAKE_SYSTEM_NAME MATCHES "Windows")
   configure_file(cmake.h.in ${GENERATED_SOURCES_DIR}/cmake.h)
 
   # If Halibut is available, build the docs too.
-  find_program(HALIBUT halibut)
-  if(HALIBUT)
-    set(BUILD_MANPAGE ON)
-    add_custom_command(OUTPUT agedu.1
-      COMMAND ${HALIBUT} --man=agedu.1
-        ${CMAKE_CURRENT_SOURCE_DIR}/agedu.but
-      DEPENDS
-        ${CMAKE_CURRENT_SOURCE_DIR}/agedu.but)
-    add_custom_target(doc ALL DEPENDS agedu.1)
-  else()
-    set(BUILD_MANPAGE OFF)
+  option(BUILD_DOCS "Build man pages using halibut" ON)
+  if(BUILD_DOCS)
+    find_program(HALIBUT halibut REQUIRED)
+    if(HALIBUT)
+      set(BUILD_MANPAGE ON)
+      add_custom_command(OUTPUT agedu.1
+        COMMAND ${HALIBUT} --man=agedu.1
+          ${CMAKE_CURRENT_SOURCE_DIR}/agedu.but
+        DEPENDS
+          ${CMAKE_CURRENT_SOURCE_DIR}/agedu.but)
+      add_custom_target(doc ALL DEPENDS agedu.1)
+    else()
+      set(BUILD_MANPAGE OFF)
+    endif()
   endif()
 
   # Installation
-- 
2.35.1