From d4a5f9f77e2001f2f87bd4ff481c6713d855c31c Mon Sep 17 00:00:00 2001
From: Micah Snyder <micasnyd@cisco.com>
Date: Fri, 5 Nov 2021 11:34:22 -0700
Subject: [PATCH] CMake: curses detection with-or-without pkg-config

FreeBSD and OpenBSD package maintainers identified failures when
pkg-config .pc files not present for curses/ncurses.

Patch courtesy of Stuart Henderson.
---
 cmake/FindCURSES.cmake | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/cmake/FindCURSES.cmake b/cmake/FindCURSES.cmake
index e5d2216bb..8d13a0489 100644
--- a/cmake/FindCURSES.cmake
+++ b/cmake/FindCURSES.cmake
@@ -58,8 +58,14 @@ if(NCURSES_NOT_FOUND EQUAL -1)
     set(HAVE_LIBNCURSES 1)
     set(CURSES_INCLUDE "<ncurses.h>")
 
-    set(CURSES_LIBRARY ${PC_NCurses_LINK_LIBRARIES})
-    set(CURSES_VERSION ${PC_NCurses_VERSION})
+    if (DEFINED PC_NCurses_LINK_LIBRARIES)
+        set(CURSES_LIBRARY ${PC_NCurses_LINK_LIBRARIES})
+    else()
+        find_library(CURSES_LIBRARY
+            NAMES ncurses
+            PATHS ${PC_NCurses_LIBRARY_DIRS}
+        )
+    endif()
 
     include(FindPackageHandleStandardArgs)
     find_package_handle_standard_args(CURSES