From b43104acab6b656d23df0a695e18a358aad2ad66 Mon Sep 17 00:00:00 2001
From: eugeneswalker <38933153+eugeneswalker@users.noreply.github.com>
Date: Sun, 14 Aug 2022 04:43:51 -0700
Subject: [PATCH] openblas@0.3.20 %openblas: -Wno-implicit-function-declaration
 (#32065)

---
 var/spack/repos/builtin/packages/openblas/package.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/var/spack/repos/builtin/packages/openblas/package.py b/var/spack/repos/builtin/packages/openblas/package.py
index 18bf0e83d0..c1ac5ac24e 100644
--- a/var/spack/repos/builtin/packages/openblas/package.py
+++ b/var/spack/repos/builtin/packages/openblas/package.py
@@ -177,6 +177,14 @@ class Openblas(MakefilePackage):
 
     depends_on("perl", type="build")
 
+    def flag_handler(self, name, flags):
+        spec = self.spec
+        iflags = []
+        if name == "cflags":
+            if spec.satisfies("@0.3.20 %oneapi"):
+                iflags.append("-Wno-error=implicit-function-declaration")
+        return (iflags, None, None)
+
     @classmethod
     def determine_version(cls, lib):
         ver = None