From f7fd10b8159d3caf6ddb4517c711f9301128ba0d Mon Sep 17 00:00:00 2001
From: Ulrich Huber <ulrich@huberulrich.de>
Date: Fri, 14 Jun 2019 17:11:17 +0200
Subject: [PATCH] Add build script for lua

---
 readme/WindowsBuild.md     | 20 ++++-----
 windows-setup/build-lua.sh | 90 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 100 insertions(+), 10 deletions(-)
 create mode 100644 windows-setup/build-lua.sh

diff --git a/readme/WindowsBuild.md b/readme/WindowsBuild.md
index 012422a1..3d7354b9 100644
--- a/readme/WindowsBuild.md
+++ b/readme/WindowsBuild.md
@@ -53,14 +53,18 @@ pacman -S mingw-w64-x86_64-libsndfile \
 pacman -S mingw-w64-x86_64-libzip
 ```
 
-TODO: Lua 5.3 is missing for MSYS2?
-
-### sndfile / PortAudio
+### PortAudio
 Build/Install portaudio with
 ```bash
 windows-setup/build-portaudio.sh
 ```
 
+### Lua
+Build/Install lua with
+```bash
+windows-setup/build-lua.sh
+```
+
 ## Get sources and build
 
 ```bash
@@ -76,13 +80,9 @@ make
 ```
 
 ## Packaging and Setup
-go to the folder
+Create the installer with
 ```bash
-cd windows-setup
+windows-setup/build-setup.sh
 ```
-and execute
-```bash
-./build-setup.sh
-```
-
 
+The installer will be located at `windows-setup/xournalpp-setup.exe`
diff --git a/windows-setup/build-lua.sh b/windows-setup/build-lua.sh
new file mode 100644
index 00000000..68ac995d
--- /dev/null
+++ b/windows-setup/build-lua.sh
@@ -0,0 +1,90 @@
+#!/bin/bash
+
+## Edit the following lines to update the version of Lua
+LUA_MAJOR=5.3
+LUA_VERSION=5.3.5
+LUA_CHECKSUM=112eb10ff04d1b4c9898e121d6bdf54a81482447
+
+PREFIX=/mingw64
+
+printf "Downloading Lua ${LUA_VERSION}\n"
+rm -f lua-${LUA_VERSION}.tar.gz
+rm -rf lua-${LUA_VERSION}
+wget -q https://www.lua.org/ftp/lua-${LUA_VERSION}.tar.gz
+
+#Check the checksum of the downloaded archive
+printf "Checking integrity of downloaded files..."
+printf "${LUA_CHECKSUM} *lua-${LUA_VERSION}.tar.gz" | sha1sum -c --strict -
+if [ $? != 0 ]; then
+  exit 1
+fi
+
+echo "Unpacking Lua..."
+tar -xzf lua-${LUA_VERSION}.tar.gz
+rm lua-${LUA_VERSION}.tar.gz
+cd lua-${LUA_VERSION}
+
+echo ""
+echo "Patching Lua..."
+FILE="./lua_makefile.patch"
+/bin/cat >$FILE <<EOM
+--- Makefile	2016-12-20 17:26:08.000000000 +0100
++++ Makefile.new	2019-06-14 16:45:44.036566000 +0200
+@@ -13 +13 @@
+-INSTALL_TOP= /usr/local
++INSTALL_TOP= /mingw64
+EOM
+patch Makefile lua_makefile.patch
+rm lua_makefile.patch
+
+echo ""
+echo "Building Lua..."
+make PLAT=mingw
+if [ $? != 0 ]; then
+  echo ""
+  echo "Build failed exiting..."
+  exit 2
+fi
+
+echo ""
+echo "Installing Lua..."
+make install
+if [ $? != 0 ]; then
+  echo ""
+  echo "Installation failed..."
+  exit 3
+fi
+
+echo ""
+echo "Generating pkg-config File..."
+
+FILE="${PREFIX}/lib/pkgconfig/lua.pc"
+/bin/cat <<EOM >$FILE
+V=${LUA_MAJOR}
+R=$LUA_VERSION}
+
+prefix=${PREFIX}
+exec_prefix=${prefix}
+lib_name=lua${LUA_MAJOR}
+libdir=${prefix}/lib/
+includedir=${prefix}/include
+
+#
+# The following are intended to be used via "pkg-config --variable".
+
+# Install paths for Lua modules.  For example, if a package wants to install
+# Lua source modules to the /usr/local tree, call pkg-config with
+# "--define-variable=prefix=/usr/local" and "--variable=INSTALL_LMOD".
+INSTALL_LMOD=${prefix}/share/lua/${LUA_MAJOR}
+INSTALL_CMOD=${prefix}/lib/lua/${LUA_MAJOR}
+
+Name: Lua
+Description: Lua language engine
+Version: ${LUA_VERSION}
+Libs: -L${libdir} -llua
+Libs.private: -lm -ldl
+Cflags: -I${includedir}
+EOM
+
+echo ""
+echo "Installation of Lua was successful"