new hip-examples package (#35891)

* initial commit for adding hip-examples package
* adding test to hip-examples
* fixed compile error on add4
* change standalone test to use new syntax

var/spack/repos/builtin/packages/hip-examples/0001-add-inc-and-lib-paths-to-openmp-helloworld.patch

@@ -0,0 +1,12 @@
+diff --git a/openmp-helloworld/Makefile b/openmp-helloworld/Makefile
+index f048d26..3e0d5ac 100644
+--- a/openmp-helloworld/Makefile
++++ b/openmp-helloworld/Makefile
+@@ -6,6 +6,8 @@ endif
+ HIPCC=$(HIP_PATH)/bin/hipcc
+ CXX=$(HIPCC)
+ CXXFLAGS =-fopenmp
++CXXFLAGS += -I$(ROCM_OPENMP_EXTRAS_DIR)/include
++CXXFLAGS += -L$(ROCM_OPENMP_EXTRAS_DIR)/lib
+
+ SOURCES = openmp_helloworld.cpp

var/spack/repos/builtin/packages/hip-examples/0002-add-fpic-compile-to-add4.patch

@@ -0,0 +1,9 @@
+diff --git a/add4/Makefile b/add4/Makefile
+index a0c6826..d7b26b1 100644
+--- a/add4/Makefile
++++ b/add4/Makefile
+@@ -1,4 +1,4 @@
+-CXXFLAGS += -std=c++11 -O3
++CXXFLAGS += -std=c++11 -O3 -fPIC
+
+ all:  gpu-stream-hip

var/spack/repos/builtin/packages/hip-examples/package.py

@@ -0,0 +1,64 @@
+# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+import os
+
+from spack.package import *
+
+
+class HipExamples(Package):
+    """Examples for HIP"""
+
+    homepage = "https://github.com/ROCm-Developer-Tools/HIP-Examples/"
+    git = "https://github.com/ROCm-Developer-Tools/HIP-Examples.git"
+    url = "https://github.com/ROCm-Developer-Tools/HIP-Examples/archive/rocm-5.4.3.tar.gz"
+    tags = ["rocm"]
+
+    maintainers("srekolam", "renjithravindrankannath", "afzpatel")
+
+    version("master", branch="master")
+
+    version("5.4.3", sha256="053b8b7892e2929e3f90bd978d8bb1c9801e4803eadd7d97fc6692ce60af1d47")
+
+    patch("0001-add-inc-and-lib-paths-to-openmp-helloworld.patch")
+    patch("0002-add-fpic-compile-to-add4.patch")
+    depends_on("hip")
+    depends_on("rocm-openmp-extras")
+
+    def install(self, spec, prefix):
+        stage = os.getcwd()
+        os.environ["ROCM_OPENMP_EXTRAS_DIR"] = self.spec["rocm-openmp-extras"].prefix
+        os.environ["LD_LIBRARY_PATH"] = self.spec["rocm-openmp-extras"].prefix.lib
+        for root, dirs, files in os.walk(stage):
+            if "Makefile" in files:
+                with working_dir(root, create=True):
+                    make()
+                    # itterate through the files in dir to find the newly built binary
+                    for file in os.listdir("."):
+                        if file not in files and os.path.isfile(file) and os.access(file, os.X_OK):
+                            install(file, join_path(prefix, file))
+                            if file == "RecursiveGaussian":
+                                install(
+                                    "RecursiveGaussian_Input.bmp",
+                                    join_path(prefix, "RecursiveGaussian_Input.bmp"),
+                                )
+
+    def test_examples(self):
+        """
+        run all hip example binaries
+        """
+
+        os.environ["LD_LIBRARY_PATH"] = self.spec["rocm-openmp-extras"].prefix.lib
+        test_dir = self.prefix
+        for file_name in os.listdir(test_dir):
+            file_path = join_path(test_dir, file_name)
+            if os.path.isfile(file_path) and os.access(file_path, os.X_OK):
+                with test_part(
+                    self,
+                    "test_example_{0}".format(file_name),
+                    purpose="run installed {0}".format(file_name),
+                ):
+                    exe = which(file_path)
+                    exe()