[python-package] remove unused Eigen files, compile with EIGEN_MPL2_ONLY (fixes #3684) (#3685)

* [python-package] remove unused Eigen files (fixes #3684)

* more changes

* add EIGEN_MPL2_ONLY in VS solution file

* fix VS project

* remove EIGEN_MPL2_ONLY define in linear_tree_learner
Co-authored-by: Nikita Titov <nekit94-12@hotmail.com>

CMakeLists.txt

@@ -93,6 +93,9 @@ endif(USE_SWIG)
 SET(EIGEN_DIR "${PROJECT_SOURCE_DIR}/eigen")
 include_directories(${EIGEN_DIR})
 
+# See https://gitlab.com/libeigen/eigen/-/blob/master/COPYING.README
+ADD_DEFINITIONS(-DEIGEN_MPL2_ONLY)
+
 if(__BUILD_FOR_R)
     list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/modules")
     find_package(LibR REQUIRED)

python-package/MANIFEST.in

@@ -10,7 +10,29 @@ include compile/compute/CMakeLists.txt
 recursive-include compile/compute/cmake *
 recursive-include compile/compute/include *
 recursive-include compile/compute/meta *
-recursive-include compile/eigen *
+include compile/eigen/CMakeLists.txt
+include compile/eigen/Eigen/CMakeLists.txt
+include compile/eigen/Eigen/Cholesky
+include compile/eigen/Eigen/Core
+include compile/eigen/Eigen/Dense
+include compile/eigen/Eigen/Eigenvalues
+include compile/eigen/Eigen/Geometry
+include compile/eigen/Eigen/Householder
+include compile/eigen/Eigen/Jacobi
+include compile/eigen/Eigen/LU
+include compile/eigen/Eigen/QR
+include compile/eigen/Eigen/SVD
+recursive-include compile/eigen/Eigen/src/Cholesky *
+recursive-include compile/eigen/Eigen/src/Core *
+recursive-include compile/eigen/Eigen/src/Eigenvalues *
+recursive-include compile/eigen/Eigen/src/Geometry *
+recursive-include compile/eigen/Eigen/src/Householder *
+recursive-include compile/eigen/Eigen/src/Jacobi *
+recursive-include compile/eigen/Eigen/src/LU *
+recursive-include compile/eigen/Eigen/src/misc *
+recursive-include compile/eigen/Eigen/src/plugins *
+recursive-include compile/eigen/Eigen/src/QR *
+recursive-include compile/eigen/Eigen/src/SVD *
 include compile/external_libs/fast_double_parser/CMakeLists.txt
 include compile/external_libs/fast_double_parser/LICENSE
 include compile/external_libs/fast_double_parser/LICENSE.BSL

src/treelearner/linear_tree_learner.cpp

@@ -7,8 +7,6 @@
 #include <algorithm>
 
 #ifndef LGB_R_BUILD
-// preprocessor definition ensures we use only MPL2-licensed code
-#define EIGEN_MPL2_ONLY
 #include <Eigen/Dense>
 #endif  // !LGB_R_BUILD
 

windows/LightGBM.vcxproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="Projectconfigurations">
     <ProjectConfiguration Include="Debug_DLL|x64">
@@ -99,9 +99,14 @@
     <IncludePath>..\include;$(VC_IncludePath);$(WindowsSDK_IncludePath);</IncludePath>
     <TargetName>lib_lightgbm</TargetName>
   </PropertyGroup>
+  <ItemDefinitionGroup>
+    <ClCompile>
+      <PreprocessorDefinitions>EIGEN_MPL2_ONLY</PreprocessorDefinitions>
+    </ClCompile>
+  </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug_mpi|x64'">
     <ClCompile>
-      <PreprocessorDefinitions>USE_MPI</PreprocessorDefinitions>
+      <PreprocessorDefinitions>USE_MPI;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <WarningLevel>Level4</WarningLevel>
       <OpenMPSupport>true</OpenMPSupport>
       <FavorSizeOrSpeed>Neither</FavorSizeOrSpeed>
@@ -124,7 +129,7 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
-      <PreprocessorDefinitions>USE_SOCKET</PreprocessorDefinitions>
+      <PreprocessorDefinitions>USE_SOCKET;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <WarningLevel>Level4</WarningLevel>
       <OpenMPSupport>true</OpenMPSupport>
       <FavorSizeOrSpeed>Neither</FavorSizeOrSpeed>
@@ -144,7 +149,7 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug_DLL|x64'">
     <ClCompile>
-      <PreprocessorDefinitions>USE_SOCKET</PreprocessorDefinitions>
+      <PreprocessorDefinitions>USE_SOCKET;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <WarningLevel>Level4</WarningLevel>
       <OpenMPSupport>true</OpenMPSupport>
       <FavorSizeOrSpeed>Neither</FavorSizeOrSpeed>

windows/LightGBM.vcxproj.filters

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
     <Filter Include="src">
@@ -225,6 +225,9 @@
     <ClInclude Include="..\src\treelearner\monotone_constraints.hpp">
       <Filter>src\treelearner</Filter>
     </ClInclude>
+    <ClInclude Include="..\src\treelearner\linear_tree_learner.h">
+      <Filter>src\treelearner</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\src\application\application.cpp">
@@ -320,5 +323,8 @@
     <ClCompile Include="..\src\io\train_share_states.cpp">
       <Filter>src\io</Filter>
     </ClCompile>
+    <ClCompile Include="..\src\treelearner\linear_tree_learner.cpp">
+      <Filter>src\treelearner</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>
\ No newline at end of file