From a9ececb61d1032d6150a7edea8a691cbea357394 Mon Sep 17 00:00:00 2001
From: Larry Knox <lrknox@hdfgroup.org>
Date: Mon, 22 Jun 2026 17:12:56 -0500
Subject: [PATCH] Add flag -tp=x86-64-v3 to CMAKE C, Fortran, and CXX flags
 (#6475)

* Add flag -tp=x86-64-v3 for the nvhpc workflow to stop the llvm crash
compiling dt_arith.c.
* Remove ineffective flag "-Mnovect" from nvhpc.yml.
---
 .github/workflows/nvhpc.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/nvhpc.yml b/.github/workflows/nvhpc.yml
index 77fee6c5ca3..6c8db0d2361 100644
--- a/.github/workflows/nvhpc.yml
+++ b/.github/workflows/nvhpc.yml
@@ -76,9 +76,11 @@ jobs:
           -DHDF5_BUILD_CPP_LIB:BOOL=OFF \
           -DHDF5_BUILD_FORTRAN:BOOL=ON \
           -DHDF5_BUILD_JAVA:BOOL=OFF \
+          -DCMAKE_C_FLAGS="-tp=x86-64-v3" \
+          -DCMAKE_Fortran_FLAGS="-tp=x86-64-v3" \
+          -DCMAKE_CXX_FLAGS="-tp=x86-64-v3" \
           -DMPIEXEC_MAX_NUMPROCS:STRING="2" \
           -DMPIEXEC_PREFLAGS:STRING="--mca;opal_warn_on_missing_libcuda;0" \
-          -DCMAKE_C_FLAGS="-Mnovect" \
           $GITHUB_WORKSPACE
 
       - name: Build