From d030f2064878c90c97aafa9c6c65fd6debc85188 Mon Sep 17 00:00:00 2001
From: Juan Cruz Viotti <jv@jviotti.com>
Date: Fri, 13 Mar 2026 12:05:14 -0400
Subject: [PATCH] Disable LTO for ZLIB

Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>
---
 cmake/FindZLIB.cmake | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/cmake/FindZLIB.cmake b/cmake/FindZLIB.cmake
index cb77330..2896ddb 100644
--- a/cmake/FindZLIB.cmake
+++ b/cmake/FindZLIB.cmake
@@ -64,6 +64,12 @@ if(NOT ZLIB_FOUND)
         -fno-math-errno
         -fwrapv)
     endif()
+
+    # Disable LTO for zlib to work around GCC LTO linker plugin not
+    # properly rescanning this archive for transitive dependencies
+    if(HYDRA_COMPILER_GCC)
+      target_compile_options(zlib PRIVATE -fno-lto)
+    endif()
   endif()
 
   target_include_directories(zlib PUBLIC