libigl: downgrade Eigen in older versions

conan-io · Nov 6, 2023 · 70ec6a1 · 70ec6a1
1 parent e565236
commit 70ec6a1
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/recipes/libigl/all/conanfile.py b/recipes/libigl/all/conanfile.py
@@ -68,7 +68,10 @@ def requirements(self):
         if Version(self.version) >= "2.5.0":
             self.requires("eigen/3.4.0", transitive_headers=True)
         else:
-            self.requires("eigen/3.3.9", transitive_headers=True)
+            # 3.4.0 and 3.3.9 is not compatible, use the version used by the project
+            # https://github.com/libigl/libigl/blob/v2.4.0/cmake/recipes/external/eigen.cmake#L11
+            # https://github.com/libigl/libigl/blob/v2.3.0/cmake/LibiglDownloadExternal.cmake#L67
+            self.requires("eigen/3.3.7", transitive_headers=True)
 
     def build_requirements(self):
         self.tool_requires("cmake/[>=3.16 <4]")