avast · PeterMatula · May 28, 2020 · Aug 23, 2019 · Aug 31, 2019 · Aug 31, 2019
diff --git a/LICENSE-THIRD-PARTY b/LICENSE-THIRD-PARTY
@@ -17,7 +17,8 @@ RetDec uses the following third-party libraries or other resources:
 9) whereami: https://github.com/gpakosz/whereami
 10) yara: https://virustotal.github.io/yara/
 11) yaramod: https://github.com/avast/yaramod
-12) cmake-modules: https://github.com/rpavlik/cmake-modules
+12) Eigen: http://eigen.tuxfamily.org/index.php?title=Main_Page
+13) cmake-modules: https://github.com/rpavlik/cmake-modules
 
 These third-party libraries or other resources are licensed under the
 following licenses:
@@ -795,35 +796,3 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
-
-===============================================================================
-12) cmake-modules
-===============================================================================
-
-Copyright Iowa State University 2009-2014, or Copyright Sensics, Inc. 2014-2015, or Copyright Ryan A. Pavlik 2009-2015
-
-Distributed under the Boost Software License, Version 1.0.
-
-Boost Software License - Version 1.0 - August 17th, 2003
-
-Permission is hereby granted, free of charge, to any person or organization
-obtaining a copy of the software and accompanying documentation covered by
-this license (the "Software") to use, reproduce, display, distribute,
-execute, and transmit the Software, and to prepare derivative works of the
-Software, and to permit third-parties to whom the Software is furnished to
-do so, all subject to the following:
-
-The copyright notices in the Software and this entire statement, including
-the above license grant, this restriction and the following disclaimer,
-must be included in all copies of the Software, in whole or in part, and
-all derivative works of the Software, unless such copies or derivative
-works are solely in the form of machine-executable object code generated by
-a source language processor.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
-SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
-FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-DEALINGS IN THE SOFTWARE.
diff --git a/cmake/deps.cmake b/cmake/deps.cmake
@@ -63,6 +63,14 @@ set(YARAMOD_ARCHIVE_SHA256
     CACHE INTERNAL ""
 )
 
+set(EIGEN_URL
+    "https://gitlab.com/api/v4/projects/libeigen%2Feigen/repository/archive.zip?sha=0dd9643ad547d3dd2e23ded1d3376d0f7bdc8ada"
+    CACHE INTERNAL "URL of Eigen archive to use."
+)
+set(EIGEN_ARCHIVE_SHA256
+    "f56e0551aed4bdcb39cf6c5e51b1267b1221666e6090bddc1a0eaf89e7c3e2a3"
+    CACHE INTERNAL "")
+
 set(SUPPORT_PKG_URL
     "https://github.com/avast/retdec-support/releases/download/2019-03-08/retdec-support_2019-03-08.tar.xz"
     CACHE INTERNAL "URL of RetDec support package to use."

diff --git a/cmake/options.cmake b/cmake/options.cmake
@@ -510,6 +510,9 @@ set_if_at_least_one_set(RETDEC_ENABLE_RAPIDJSON
 		RETDEC_ENABLE_MACHO_EXTRACTORTOOL
 		RETDEC_ENABLE_SERDES)
 
+set_if_at_least_one_set(RETDEC_ENABLE_EIGEN
+		RETDEC_ENABLE_BIN2LLVMIR)
+
 set_if_at_least_one_set(RETDEC_ENABLE_TINYXML2
 		RETDEC_ENABLE_TINYXML2
 		RETDEC_ENABLE_FILEINFO

diff --git a/deps/CMakeLists.txt b/deps/CMakeLists.txt
@@ -28,3 +28,4 @@ cond_add_subdirectory(tinyxml2 RETDEC_ENABLE_TINYXML2)
 cond_add_subdirectory(whereami RETDEC_ENABLE_WHEREAMI)
 cond_add_subdirectory(yara RETDEC_ENABLE_YARA)
 cond_add_subdirectory(yaramod RETDEC_ENABLE_YARAMOD)
+cond_add_subdirectory(eigen RETDEC_ENABLE_EIGEN)
diff --git a/deps/eigen/CMakeLists.txt b/deps/eigen/CMakeLists.txt
@@ -0,0 +1,41 @@
+
+include(ExternalProject)
+
+if(CMAKE_C_COMPILER)
+	set(CMAKE_C_COMPILER_OPTION "-DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}")
+endif()
+if(CMAKE_CXX_COMPILER)
+	set(CMAKE_CXX_COMPILER_OPTION "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}")
+endif()
+
+ExternalProject_Add(eigen_project
+	URL ${EIGEN_URL}
+	URL_HASH SHA256=${EIGEN_ARCHIVE_SHA256}
+	DOWNLOAD_NAME "eigen.zip"
+	CMAKE_ARGS
+		"${CMAKE_C_COMPILER_OPTION}"
+		"${CMAKE_CXX_COMPILER_OPTION}"
+	# Disable the install step.
+	INSTALL_COMMAND ""
+)
+
+add_library(eigen INTERFACE)
+add_library(retdec::deps::eigen ALIAS eigen)
+add_dependencies(eigen eigen_project)
+
+ExternalProject_Get_Property(eigen_project source_dir)
+
+set(EIGEN_INCLUDE_DIR "${source_dir}/Eigen")
+
+target_include_directories(eigen INTERFACE $<BUILD_INTERFACE:${EIGEN_INCLUDE_DIR}>)
+
+install(TARGETS eigen
+	EXPORT eigen-targets
+)
+
+# Export targets.
+install(EXPORT eigen-targets
+	FILE "retdec-eigen-targets.cmake"
+	NAMESPACE retdec::deps::
+	DESTINATION ${RETDEC_INSTALL_CMAKE_DIR}
+)
diff --git a/deps/eigen/README.md b/deps/eigen/README.md
@@ -0,0 +1,8 @@
+## Eigen
+
+A clone of only the needed sources (headers) of [Eigen](http://eigen.tuxfamily.org/index.php?title=Main_Page).
+Upstream commit: `6601abce868e3284b4829a4fbf91eefaa0d704af`
+
+## License
+
+Eigen is [Free Software](http://www.gnu.org/philosophy/free-sw.html). Starting from the 3.1.1 version, it is licensed under the [MPL2](http://www.mozilla.org/MPL/2.0), which is a simple weak copyleft license. Common questions about the MPL2 are answered in the official [MPL2 FAQ](http://www.mozilla.org/MPL/2.0/FAQ.html).