README.md

avast/retdec をcloneしてきてビルドした後、retdec::deps::eigen が見つからないといってretdecを用いたプログラムのコンパイルに失敗した時の対処

eigen.patch

diff --git a/deps/eigen/CMakeLists.txt b/deps/eigen/CMakeLists.txt
index 7d92d1b1..f8f3385b 100644
--- a/deps/eigen/CMakeLists.txt
+++ b/deps/eigen/CMakeLists.txt
@@ -39,3 +39,21 @@ install(EXPORT eigen-targets
 	NAMESPACE retdec::deps::
 	DESTINATION ${RETDEC_INSTALL_CMAKE_DIR}
 )
+
+# Configure config file.
+set(EIGEN_LIB_INSTALLED "${RETDEC_INSTALL_LIB_DIR_ABS}/${EIGEN_LIB_PNAME}")
+configure_package_config_file(
+	"retdec-eigen-config.cmake"
+	"${CMAKE_CURRENT_BINARY_DIR}/retdec-eigen-config.cmake"
+	INSTALL_DESTINATION ${RETDEC_INSTALL_CMAKE_DIR}
+	PATH_VARS
+	EIGEN_LIB_INSTALLED
+)
+
+# Install CMake files.
+install(
+	FILES
+		"${CMAKE_CURRENT_BINARY_DIR}/retdec-eigen-config.cmake"
+	DESTINATION
+		"${RETDEC_INSTALL_CMAKE_DIR}"
+)