From 6336c3b975289a857bc2f1243cb99cae0e94f8d0 Mon Sep 17 00:00:00 2001
From: Christoph Junghans <junghans@lanl.gov>
Date: Thu, 10 May 2018 12:31:55 -0600
Subject: [PATCH] cmake: add option to download voro
---
cmake/CMakeLists.txt | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 395c2c6f32..e889fd298e 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -252,7 +252,24 @@ if(ENABLE_FFMPEG)
endif()
if(ENABLE_VORONOI)
- find_package(VORO REQUIRED) #some distros
+ option(DOWNLOAD_VORO "Download voro++ (instead of using the system's one)" OFF)
+ if(DOWNLOAD_VORO)
+ include(ExternalProject)
+ ExternalProject_Add(voro_build
+ URL http://math.lbl.gov/voro++/download/dir/voro++-0.4.6.tar.gz
+ URL_MD5 2338b824c3b7b25590e18e8df5d68af9
+ CONFIGURE_COMMAND "" BUILD_IN_SOURCE 1 INSTALL_COMMAND ""
+ )
+ ExternalProject_get_property(voro_build SOURCE_DIR)
+ set(VORO_LIBRARIES ${SOURCE_DIR}/src/libvoro++.a)
+ set(VORO_INCLUDE_DIRS ${SOURCE_DIR}/src)
+ list(APPEND LAMMPS_DEPS voro_build)
+ else()
+ find_package(VORO)
+ if(NOT VORO_FOUND)
+ message(FATAL_ERROR "VORO not found, help CMake to find it by setting VORO_LIBRARY and VORO_INCLUDE_DIR, or set DOWNLOAD_VORO=ON to download it")
+ endif()
+ endif()
include_directories(${VORO_INCLUDE_DIRS})
list(APPEND LAMMPS_LINK_LIBS ${VORO_LIBRARIES})
endif()
--
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