From 7bb03fd2fc53ec0851e98aabf98047e8caf79a8b Mon Sep 17 00:00:00 2001
From: Tsukasa Sugiura <t.sugiura0204@gmail.com>
Date: Fri, 9 Nov 2018 03:46:25 +0900
Subject: [PATCH] [vtk] Fix FindLZ4 (#4676)

Fix find lz4 library of debug configuration.
---
 ports/vtk/CONTROL            |  2 +-
 ports/vtk/fix-find-lz4.patch | 20 ++++++++++++++++++++
 ports/vtk/portfile.cmake     |  1 +
 3 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 ports/vtk/fix-find-lz4.patch

diff --git a/ports/vtk/CONTROL b/ports/vtk/CONTROL
index e75795e74cb..d06f1633147 100644
--- a/ports/vtk/CONTROL
+++ b/ports/vtk/CONTROL
@@ -1,5 +1,5 @@
 Source: vtk
-Version: 8.1.0-2
+Version: 8.1.0-3
 Description: Software system for 3D computer graphics, image processing, and visualization
 Build-Depends: zlib, libpng, tiff, libxml2, jsoncpp, glew, freetype, expat, hdf5, libjpeg-turbo, proj4, lz4, libtheora
 
diff --git a/ports/vtk/fix-find-lz4.patch b/ports/vtk/fix-find-lz4.patch
new file mode 100644
index 00000000000..7389a24f438
--- /dev/null
+++ b/ports/vtk/fix-find-lz4.patch
@@ -0,0 +1,20 @@
+diff --git a/CMake/FindLZ4.cmake b/CMake/FindLZ4.cmake
+index 07343e1f79..b43a9af2c7 100644
+--- a/CMake/FindLZ4.cmake
++++ b/CMake/FindLZ4.cmake
+@@ -1,7 +1,13 @@
+-
+-find_library(LZ4_LIBRARIES NAMES lz4)
++find_library(LZ4_LIBRARY NAMES lz4 PATH_SUFFIXES lib)
++find_library(LZ4_LIBRARY_DEBUG NAME lz4d PATH_SUFFIXES debug/lib)
+ find_path(LZ4_INCLUDE_DIRS NAMES lz4.h)
+ 
++if(NOT LZ4_LIBRARY_DEBUG)
++  set(LZ4_LIBRARY_DEBUG ${LZ4_LIBRARY})
++endif(NOT LZ4_LIBRARY_DEBUG)
++
++set(LZ4_LIBRARIES optimized ${LZ4_LIBRARY} debug ${LZ4_LIBRARY_DEBUG})
++
+ include(FindPackageHandleStandardArgs)
+ find_package_handle_standard_args(LZ4
+   DEFAULT_MSG
diff --git a/ports/vtk/portfile.cmake b/ports/vtk/portfile.cmake
index c547929ceab..edb245eb0fc 100644
--- a/ports/vtk/portfile.cmake
+++ b/ports/vtk/portfile.cmake
@@ -67,6 +67,7 @@ vcpkg_from_github(
         fix-find-libharu.patch
         fix-find-mysql.patch
         fix-find-odbc.patch
+        fix-find-lz4.patch
 )
 
 # Remove the FindGLEW.cmake and FindPythonLibs.cmake that are distributed with VTK,