From 5a5fe4c7310a0a494b00cfa88be1354f75227ced Mon Sep 17 00:00:00 2001
From: TheBrokenRail <connor24nolan@live.com>
Date: Fri, 17 Dec 2021 18:19:23 -0500
Subject: [PATCH] Fix CMake

---
 CMakeLists.txt   | 10 +++++-----
 docs/BUILDING.md |  2 +-
 scripts/build.sh |  7 +++++--
 3 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c9b272a2..85057101 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,11 +32,6 @@ if(NOT DEFINED CMAKE_CXX_COMPILER)
     set(CMAKE_CXX_COMPILER "clang++")
 endif()
 
-# Setup ARM Cross Compilation
-if(USE_ARM32_TOOLCHAIN)
-    include(cmake/armhf-toolchain.cmake)
-endif()
-
 # Utility Functions
 include(cmake/util.cmake)
 
@@ -67,6 +62,11 @@ endif()
 # Start Project
 project(minecraft-pi-reborn)
 
+# Require ARM Compilation
+if(USE_ARM32_TOOLCHAIN AND (NOT CMAKE_SYSTEM_PROCESSOR STREQUAL "arm") AND (NOT CMAKE_SYSTEM_PROCESSOR STREQUAL "armv7l"))
+    message(FATAL_ERROR "ARM-Targeting Compiler Required")
+endif()
+
 # Specify Default Installation Prefix
 if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
     set(CMAKE_INSTALL_PREFIX "/" CACHE PATH "" FORCE)
diff --git a/docs/BUILDING.md b/docs/BUILDING.md
index da1fb4f4..614b6aca 100644
--- a/docs/BUILDING.md
+++ b/docs/BUILDING.md
@@ -46,7 +46,7 @@ mkdir build && cd build
 
 # Build ARM Components
 mkdir arm && cd arm
-cmake -DMCPI_BUILD_MODE=arm ../..
+cmake -DCMAKE_TOOLCHAIN_FILE=../../cmake/armhf-toolchain.cmake -DMCPI_BUILD_MODE=arm ../..
 make -j$(nproc) && sudo make install
 cd ../
 
diff --git a/scripts/build.sh b/scripts/build.sh
index d74155b5..ea6a6ff2 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -2,6 +2,9 @@
 
 set -e
 
+# ARM Toolchain File
+ARM_TOOLCHAIN_FILE="$(pwd)/cmake/armhf-toolchain.cmake"
+
 # Build
 build() {
     # Find Toolchain
@@ -30,7 +33,7 @@ build() {
     # Build ARM Components
     mkdir arm
     cd arm
-    cmake -DMCPI_BUILD_MODE=arm "${extra_arg}" ../../..
+    cmake -DCMAKE_TOOLCHAIN_FILE="${ARM_TOOLCHAIN_FILE}" -DMCPI_BUILD_MODE=arm "${extra_arg}" ../../..
     make -j$(nproc)
     make install DESTDIR="${prefix}"
     cd ../
@@ -66,7 +69,7 @@ armhf_build() {
     fi
 
     # Build All Components
-    cmake -DMCPI_BUILD_MODE=both -DMCPI_SERVER_MODE="${server_mode}" ../..
+    cmake -DCMAKE_TOOLCHAIN_FILE="${ARM_TOOLCHAIN_FILE}" -DMCPI_BUILD_MODE=both -DMCPI_SERVER_MODE="${server_mode}" ../..
     make -j$(nproc)
     make install DESTDIR="${prefix}"