From 7399856b5e92f2b2bc30cc3a7849053b78be2f2c Mon Sep 17 00:00:00 2001
From: Adam Dempsey <adempsey@lanl.gov>
Date: Wed, 3 Jun 2026 13:42:31 -0600
Subject: [PATCH] Force intel compilers to have no-finite-math-only in Debug
 builds

---
 CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5af39066376..f65349da751 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -589,6 +589,9 @@ target_compile_options(
          # `-Wclass-memaccess now default with -Wall but we explicitly
          # manage this ourselves in our serialization routines.
          $<$<AND:$<CXX_COMPILER_ID:GNU>,$<COMPILE_LANGUAGE:CXX>>:-Wno-class-memaccess>
+         # Intel compilers enable -ffast-math even in Debug builds. This disables finite-math-only in 
+         # Debug builds to allow NaN/Inf checks without pages of warnings
+         $<$<AND:$<CONFIG:Debug>,$<OR:$<CXX_COMPILER_ID:IntelLLVM>,$<CXX_COMPILER_ID:Intel>>>:-fno-finite-math-only>
 )
 if (SINGULARITY_STRICT_WARNINGS)
   target_compile_options(singularity-eos_Interface INTERFACE