From: Eric Mountain <eric.stephen.mountain@gmail.com>
Date: Wed, 14 Sep 2016 03:05:21 +0000 (+0200)
Subject: Fix "unknown CMake command "check_library_exists" (#4517)
X-Git-Tag: 0.4.15~239
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=9dd22aebc7443f1bd678a649a97f504a3b816906;p=oweals%2Fminetest.git

Fix "unknown CMake command "check_library_exists" (#4517)

Adds CMakeLists.txt include to fix this issue:

$ cmake . -DBUILD_SERVER=TRUE -DBUILD_CLIENT=FALSE \
   -DCMAKE_BUILD_TYPE=Release -DENABLE_CURL=TRUE -DENABLE_CURSES=FALSE \
   -DENABLE_FREETYPE=TRUE -DENABLE_GETTEXT=FALSE \
   -DENABLE_POSTGRESQL=FALSE -DENABLE_SOUND=FALSE -DENABLE_LUAJIT=TRUE \
   -DIRRLICHT_SOURCE_DIR=$HOME/irrlicht-1.8.4 -LH
...
CMake Error at src/CMakeLists.txt:339 (check_library_exists):
  Unknown CMake command "check_library_exists".
...
---

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index bcd7a5984..608437f3a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -3,6 +3,7 @@ cmake_minimum_required(VERSION 2.6)
 project(minetest)
 
 INCLUDE(CheckIncludeFiles)
+INCLUDE(CheckLibraryExists)
 
 # Add custom SemiDebug build mode
 set(CMAKE_CXX_FLAGS_SEMIDEBUG "-O1 -g -Wall -Wabi" CACHE STRING