From 569884661992bd1dad39b1abb0b26167d6063baf Mon Sep 17 00:00:00 2001
From: Harmen Stoppels <harmenstoppels@gmail.com>
Date: Mon, 27 Jun 2022 14:41:40 +0200
Subject: Fix pigz%nvhpc build (#31227)

nvc doesn't know this flag: `-Wno-unknown-pragmas`, it doesn't hurt to
remove the specific warning flags, from:

```
-O3 -Wall -Wextra -Wno-unknown-pragmas -Wcast-qual
```

to:

```
-O3 -Wall
```
---
 var/spack/repos/builtin/packages/pigz/package.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/var/spack/repos/builtin/packages/pigz/package.py b/var/spack/repos/builtin/packages/pigz/package.py
index ed2eecce0e..5f7cb4fda5 100644
--- a/var/spack/repos/builtin/packages/pigz/package.py
+++ b/var/spack/repos/builtin/packages/pigz/package.py
@@ -23,7 +23,7 @@ class Pigz(MakefilePackage):
     def build(self, spec, prefix):
         # force makefile to use cc as C compiler which is set by
         # spack
-        make('CC=cc')
+        make('CC=cc', 'CFLAGS=-O3 -Wall')
 
     def install(self, spec, prefix):
         mkdirp(prefix.bin)
-- 
cgit v1.2.3-70-g09d2