Resolving dependencies... Error: cabal: Could not resolve dependencies: [__0] trying: keid-core-0.1.7.2 (user goal) [__1] next goal: vulkan (dependency of keid-core) [__1] rejecting: vulkan-3.23, vulkan-3.22.1, vulkan-3.22, vulkan-3.21.1, vulkan-3.21, vulkan-3.17 (conflict: pkg-config package vulkan-any, not found in the pkg-config database) [__1] rejecting: vulkan-3.16.2 (conflict: keid-core => vulkan>=3.17) [__1] skipping: vulkan-3.16.1, vulkan-3.16, vulkan-3.15, vulkan-3.14.2, vulkan-3.14.1, vulkan-3.14, vulkan-3.13.4, vulkan-3.13.3, vulkan-3.13.2, vulkan-3.13.1, vulkan-3.13, vulkan-3.12.2, vulkan-3.12.1, vulkan-3.12, vulkan-3.11.5, vulkan-3.11.4.1, vulkan-3.11.4, vulkan-3.11.3, vulkan-3.11.2, vulkan-3.11.1, vulkan-3.11.0.2, vulkan-3.11, vulkan-3.10.4, vulkan-3.10.3, vulkan-3.10.2, vulkan-3.10.1, vulkan-3.10, vulkan-3.9.1, vulkan-3.9, vulkan-3.8.3, vulkan-3.8.2, vulkan-3.8.1, vulkan-3.8, vulkan-3.7, vulkan-3.6.15, vulkan-3.6.14, vulkan-3.6.13, vulkan-3.6.12, vulkan-3.6.11.1, vulkan-3.6.11, vulkan-3.6.10, vulkan-3.6.9, vulkan-3.6.8, vulkan-3.6.7, vulkan-3.6.6, vulkan-3.6.5, vulkan-3.6.4, vulkan-3.6.3, vulkan-3.6.2, vulkan-3.6.1, vulkan-3.6, vulkan-3.5, vulkan-3.4, vulkan-3.3.1, vulkan-3.3, vulkan-3.2.0.0, vulkan-3.1.0.0, vulkan-3.0.0.0, vulkan-2.1.0.0, vulkan-2.0.0.1, vulkan-2.0.0.0, vulkan-1.7.0.0, vulkan-1.6.0.0, vulkan-1.5.1.0, vulkan-1.5.0.0, vulkan-1.3.2.0, vulkan-1.3.1.0, vulkan-1.3.0.0, vulkan-1.2.0.0, vulkan-1.0.0.0, vulkan-0.2.0.0, vulkan-0.1.0.0 (has the same characteristics that caused the previous version to fail: excluded by constraint '>=3.17' from 'keid-core') [__1] fail (backjumping, conflict set: keid-core, vulkan) After searching the rest of the dependency tree exhaustively, these were the goals I've had most trouble fulfilling: keid-core, vulkan