Download Intercept library to vendor folder on build if needed

Author: Dahlgren

.gitignore

@@ -52,3 +52,6 @@ CTestTestfile.cmake
 
 # JetBrains
 .idea/
+
+# Intercept library
+vendor/intercept/

.gitmodules

@@ -7,13 +7,12 @@ addons:
     sources:
       - ubuntu-toolchain-r-test
     packages:
-      - gcc-7
-      - gcc-7-multilib
       - g++-7
       - g++-7-multilib
+      - linux-libc-dev:i386  # asm/errno.h
 
 before_script:
   - CXX=g++-7 CC=gcc-7 cmake .
 
 script:
-  - make
+  - CXX=g++-7 CC=gcc-7 make

.travis.yml

@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 3.6)
+cmake_minimum_required (VERSION 3.8)
 
 #----Make changes here
 
@@ -9,6 +9,9 @@ project (template-plugin)
 #Enabling this results in better performance when handling strings to SQF commands.
 option(USE_ENGINE_TYPES "USE_ENGINE_TYPES" OFF)
 
+#Which version of Intercept to build against, branch/commit/tag
+set(INTERCEPT_VERSION "dfa2ce681154337a1640ea7fa2d00576fb44349b")
+
 #----Don't change anything below this line
 
 option(USE_64BIT_BUILD "USE_64BIT_BUILD" OFF)
@@ -33,9 +36,21 @@ set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
 
-set(CMAKE_INCLUDE_CURRENT_DIR ON) 
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
 set(CMAKE_CONFIGURATION_TYPES "Debug;Release" CACHE STRING "" FORCE)
 
-add_subdirectory(src)
+add_subdirectory(src)
+
+include(ExternalProject)
+
+# Download Intercept library to vendor folder
+ExternalProject_Add(
+        intercept
+        PREFIX ${CMAKE_CURRENT_LIST_DIR}/vendor/intercept
+        URL https://github.com/intercept/intercept/archive/${INTERCEPT_VERSION}.tar.gz
+    BUILD_COMMAND ""
+    CONFIGURE_COMMAND ""
+    INSTALL_COMMAND ""
+)

CMakeLists.txt

@@ -15,8 +15,8 @@ SOURCE_GROUP("src" FILES ${INTERCEPT_PLUGIN_SOURCES})
 #----Don't change anything below this line
 
 
-#include the Intercept headers from the submodule
-set(INTERCEPT_CLIENT_PATH "${CMAKE_SOURCE_DIR}/intercept/src/client")
+#include the Intercept headers from the vendored library
+set(INTERCEPT_CLIENT_PATH "${CMAKE_SOURCE_DIR}/vendor/intercept/src/intercept/src/client")
 
 set(INTERCEPT_INCLUDE_PATH "${INTERCEPT_CLIENT_PATH}/headers" "${INTERCEPT_CLIENT_PATH}/headers/shared" "${INTERCEPT_CLIENT_PATH}/headers/client/" "${INTERCEPT_CLIENT_PATH}/headers/client/sqf")