From e043e28529db460e8bb6847414d280929283d87f Mon Sep 17 00:00:00 2001
From: Sandu Liviu Catalin <slc.universe@gmail.com>
Date: Sun, 31 Jan 2021 19:36:23 +0200
Subject: [PATCH] Add helper option to copy dependencies to a deps folder.

---
 CMakeLists.txt        |  3 ++-
 module/CMakeLists.txt | 27 +++++++++++++++++++++++++--
 2 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bc125b7a..653f425f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,8 +6,9 @@ set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
 set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/vendor/POCO/cmake)
 
 # Several plugin options
-option(FORCE_32BIT_BIN "Create a 32-bit executable binary if the compiler defaults to 64-bit." OFF)
 option(ENABLE_API21 "Build for 2.1 API." OFF)
+option(COPY_DEPENDENCIES "Copy deppendent DLLs into the deps folder." OFF)
+option(FORCE_32BIT_BIN "Create a 32-bit executable binary if the compiler defaults to 64-bit." OFF)
 
 include(CheckCXXCompilerFlag)
 # C++ standard availability check
diff --git a/module/CMakeLists.txt b/module/CMakeLists.txt
index a4b04090..b371d250 100644
--- a/module/CMakeLists.txt
+++ b/module/CMakeLists.txt
@@ -144,7 +144,7 @@ if(FORCE_32BIT_BIN)
 endif()
 # Don't prefix the module binary.
 set_target_properties(SqModule PROPERTIES PREFIX "")
-# Custmize module binary name/
+# Customize module binary name/
 if(WIN32)
 	if(CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT FORCE_32BIT_BIN)
 		set_target_properties(SqModule PROPERTIES OUTPUT_NAME "mod_squirrel_64")
@@ -162,5 +162,28 @@ endif(WIN32)
 target_include_directories(SqModule PRIVATE ${CMAKE_CURRENT_LIST_DIR})
 target_include_directories(SqModule PRIVATE ${CMAKE_CURRENT_LIST_DIR}/VCMP)
 target_include_directories(SqModule PRIVATE ${CMAKE_CURRENT_LIST_DIR}/Sqrat)
-# Copy module into the plugins folder
+# Copy module into the plug-ins folder
 add_custom_command(TARGET SqModule POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_if_different $<TARGET_FILE:SqModule> "${PROJECT_SOURCE_DIR}/bin/plugins")
+# Copy several dependent DLLs on windows to make distribution easier (used mainly by people that distribute builds)
+if(WIN32 AND MINGW AND COPY_DEPENDENCIES)
+	get_filename_component(MINGW_BIN_PATH ${CMAKE_C_COMPILER} DIRECTORY REALPATH)
+	if(NOT IS_DIRECTORY ${MINGW_BIN_PATH})
+	    get_filename_component(MINGW_BIN_PATH ${CMAKE_CXX_COMPILER} DIRECTORY REALPATH)
+	endif()
+	# Make sure the deps folder exists
+	file(MAKE_DIRECTORY "${PROJECT_SOURCE_DIR}/bin/deps")
+	# Copy dependencies into the plug-ins folder (only so it can be distributed with the DLL)
+	file(COPY "${MINGW_BIN_PATH}/libpq.dll" DESTINATION "${PROJECT_SOURCE_DIR}/bin/deps")
+	file(COPY "${MINGW_BIN_PATH}/libcurl-4.dll" DESTINATION "${PROJECT_SOURCE_DIR}/bin/deps")
+	file(COPY "${MINGW_BIN_PATH}/libmariadb.dll" DESTINATION "${PROJECT_SOURCE_DIR}/bin/deps")
+	if(POCO_UNBUNDLED)
+		file(COPY "${MINGW_BIN_PATH}/zlib1.dll" DESTINATION "${PROJECT_SOURCE_DIR}/bin/deps")
+		file(COPY "${MINGW_BIN_PATH}/libexpat-1.dll" DESTINATION "${PROJECT_SOURCE_DIR}/bin/deps")
+		file(COPY "${MINGW_BIN_PATH}/libsqlite3-0.dll" DESTINATION "${PROJECT_SOURCE_DIR}/bin/deps")
+	endif()
+	file(COPY "${MINGW_BIN_PATH}/libstdc++-6.dll" DESTINATION "${PROJECT_SOURCE_DIR}/bin/deps")
+	if(CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT FORCE_32BIT_BIN)
+		file(COPY "${MINGW_BIN_PATH}/libgcc_s_seh-1.dll" DESTINATION "${PROJECT_SOURCE_DIR}/bin/deps")
+	endif()
+	file(COPY "${MINGW_BIN_PATH}/libwinpthread-1.dll" DESTINATION "${PROJECT_SOURCE_DIR}/bin/deps")
+endif()