File eigen.patch of Package PrusaSlicer

From: <ej@inai.de>
Date: 2026-02-07 22:54:58.634795742 +0100

Stop looking for system eigen while we have eigen-3.4.1.tar.bz2
bundled.

---
 CMakeLists.txt                     |    2 --
 bundled_deps/admesh/CMakeLists.txt |    1 -
 src/clipper/CMakeLists.txt         |    1 -
 src/libslic3r/CMakeLists.txt       |    1 -
 4 files changed, 5 deletions(-)

Index: PrusaSlicer-version_2.9.4/CMakeLists.txt
===================================================================
--- PrusaSlicer-version_2.9.4.orig/CMakeLists.txt
+++ PrusaSlicer-version_2.9.4/CMakeLists.txt
@@ -377,8 +377,6 @@ set(MINIMUM_BOOST_VERSION "1.83.0")
 set(_boost_components "filesystem;thread;log;locale;regex;chrono;atomic;date_time;iostreams;nowide")
 find_package(Boost ${MINIMUM_BOOST_VERSION} REQUIRED COMPONENTS ${_boost_components})
 
-find_package(Eigen3 3.3.7 REQUIRED)
-
 add_library(boost_libs INTERFACE)
 add_library(boost_headeronly INTERFACE)
 
Index: PrusaSlicer-version_2.9.4/bundled_deps/admesh/CMakeLists.txt
===================================================================
--- PrusaSlicer-version_2.9.4.orig/bundled_deps/admesh/CMakeLists.txt
+++ PrusaSlicer-version_2.9.4/bundled_deps/admesh/CMakeLists.txt
@@ -13,4 +13,3 @@ add_library(admesh STATIC
 
 target_include_directories(admesh PUBLIC .)
 target_link_libraries(admesh PRIVATE boost_headeronly localesutils)
-target_link_libraries(admesh PUBLIC Eigen3::Eigen)
Index: PrusaSlicer-version_2.9.4/src/clipper/CMakeLists.txt
===================================================================
--- PrusaSlicer-version_2.9.4.orig/src/clipper/CMakeLists.txt
+++ PrusaSlicer-version_2.9.4/src/clipper/CMakeLists.txt
@@ -10,5 +10,4 @@ add_library(clipper STATIC
 )
 
 target_link_libraries(clipper PRIVATE TBB::tbb TBB::tbbmalloc int128)
-target_link_libraries(clipper PUBLIC Eigen3::Eigen)
 target_include_directories(clipper PUBLIC .)
Index: PrusaSlicer-version_2.9.4/src/libslic3r/CMakeLists.txt
===================================================================
--- PrusaSlicer-version_2.9.4.orig/src/libslic3r/CMakeLists.txt
+++ PrusaSlicer-version_2.9.4/src/libslic3r/CMakeLists.txt
@@ -634,7 +634,6 @@ target_link_libraries(libslic3r PRIVATE
     nlohmann_json::nlohmann_json
 )
 target_link_libraries(libslic3r PUBLIC
-    Eigen3::Eigen
     semver
     admesh
     localesutils