From 99aece277f24f48103dfed3b222f3cb17e8ecbe8 Mon Sep 17 00:00:00 2001
From: Elliot Saba <staticfloat@gmail.com>
Date: Tue, 18 Jun 2019 17:12:47 -0700
Subject: [PATCH] Add XGBoost `v0.82`

---
 XGBoost/build_tarballs.jl                    | 70 ++++++++++++++++++++
 XGBoost/bundled/patches/dmlc_windows_h.patch | 26 ++++++++
 2 files changed, 96 insertions(+)
 create mode 100644 XGBoost/build_tarballs.jl
 create mode 100644 XGBoost/bundled/patches/dmlc_windows_h.patch

diff --git a/XGBoost/build_tarballs.jl b/XGBoost/build_tarballs.jl
new file mode 100644
index 00000000000..23bdeab9bbb
--- /dev/null
+++ b/XGBoost/build_tarballs.jl
@@ -0,0 +1,70 @@
+using BinaryBuilder, Pkg
+
+# Collection of sources required to build Nettle
+name = "XGBoost"
+version = v"0.82"
+sources = [
+    "https://github.com/dmlc/xgboost.git"=>
+    "3f83dcd50286d7c8d22e552942bd6572547c32b9",
+    "./bundled",
+]
+
+# Bash recipe for building across all platforms
+script = raw"""
+cd ${WORKSPACE}/srcdir/xgboost
+
+git submodule init
+git submodule update
+
+# Patch dmlc-core to use case-sensitive windows.h includes
+(cd dmlc-core && atomic_patch -p1 "${WORKSPACE}/srcdir/patches/dmlc_windows_h.patch")
+
+# For Linux, build using CMake
+if [[ ${target} == *linux* ]]; then
+    mkdir build
+    (cd build; cmake .. -DCMAKE_INSTALL_PREFIX=${prefix})
+    make -C build -j ${nproc}
+elif [[ ${target} == *mingw* ]]; then
+    # Windows has a special makefile because of course it does
+    #cp make/mingw64.mk config.mk
+    cp make/minimum.mk config.mk
+    make -j ${nproc} UNAME=Windows USE_OPENMP=1
+else
+    # Otherwise, build with `make`, and do a minimal build
+    cp make/minimum.mk config.mk
+    make -j ${nproc}
+fi
+
+# Install
+mkdir -p ${prefix}/{bin,include,lib}
+cp -ra include/xgboost ${prefix}/include/
+cp -a xgboost ${prefix}/bin
+
+# Not every platform has a libxgboost.a
+cp -a lib/libxgboost.a ${prefix}/lib || true
+if [[ ${target} == *mingw* ]]; then
+    cp -a lib/xgboost.dll ${prefix}/bin
+else
+    cp -a lib/libxgboost.${dlext} ${prefix}/lib
+fi
+"""
+
+# These are the platforms we will build for by default, unless further
+# platforms are passed in on the command line
+platforms = supported_platforms()
+
+# Disable FreeBSD for now, because freebsd doesn't have backtrace()
+platforms = [p for p in platforms if !(typeof(p) <: FreeBSD)]
+
+# The products that we will ensure are always built
+products = [
+    LibraryProduct(["libxgboost", "xgboost"], :libxgboost),
+]
+
+# Dependencies that must be installed before this package can be built
+dependencies = [
+]
+
+# Build the tarballs, and possibly a `build.jl` as well.
+build_tarballs(ARGS, name, version, sources, script, platforms, products, dependencies)
+
diff --git a/XGBoost/bundled/patches/dmlc_windows_h.patch b/XGBoost/bundled/patches/dmlc_windows_h.patch
new file mode 100644
index 00000000000..a83964c12c2
--- /dev/null
+++ b/XGBoost/bundled/patches/dmlc_windows_h.patch
@@ -0,0 +1,26 @@
+diff --git a/src/io/local_filesys.cc b/src/io/local_filesys.cc
+index ec738e3..ce90f28 100644
+--- a/src/io/local_filesys.cc
++++ b/src/io/local_filesys.cc
+@@ -13,7 +13,7 @@ extern "C" {
+ }
+ #define stat_struct stat
+ #else  // _WIN32
+-#include <Windows.h>
++#include <windows.h>
+ #define stat _stat64
+ #define stat_struct __stat64
+ #endif  // _WIN32
+diff --git a/test/unittest/unittest_thread_group.cc b/test/unittest/unittest_thread_group.cc
+index 3cb2194..1ef81f9 100644
+--- a/test/unittest/unittest_thread_group.cc
++++ b/test/unittest/unittest_thread_group.cc
+@@ -7,7 +7,7 @@
+ #if (defined _WIN32)
+ 
+ #define NOMINMAX
+-#include <Windows.h>
++#include <windows.h>
+ static inline void dmlc_usleep(__int64 usec) {
+   HANDLE timer;
+   LARGE_INTEGER ft;