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From 34167cc105e47589b86b6f62da76e0ab744002dd Mon Sep 17 00:00:00 2001
From: Vinicius Monego <monego@posteo.net>
Date: Tue, 11 May 2021 19:35:30 -0300
Subject: [PATCH] Use dmlc-core from Guix.

---
This patch is a subset of the following Debian patch: https://sources.debian.org/src/xgboost/1.2.1-1/debian/patches/cmake.patch/

Rabit is now developed as part of xgboost, so we don't build it separately.

 CMakeLists.txt | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6cc19fbd..3b42bc17 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -150,11 +150,9 @@ endif (USE_OPENMP)

 # dmlc-core
 msvc_use_static_runtime()
-add_subdirectory(${xgboost_SOURCE_DIR}/dmlc-core)
-set_target_properties(dmlc PROPERTIES
-  CXX_STANDARD 14
-  CXX_STANDARD_REQUIRED ON
-  POSITION_INDEPENDENT_CODE ON)
+add_library(dmlc SHARED IMPORTED)
+find_library(DMLC_LIBRARY dmlc)
+set_property(TARGET dmlc PROPERTY IMPORTED_LOCATION "${DMLC_LIBRARY}")
 if (MSVC)
   target_compile_options(dmlc PRIVATE
                          -D_CRT_SECURE_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE)
--
2.31.1