New variant fix_rt_linkage for intel-oneapi-compilers to fix missing symbols in libimf.so/libirc.so (spack#4092)

* Add variant fix_rt_linkage to intel-oneapi-compilers, run patchelf on libimf.so and libirc.so during the installation of intel-oneapi-runtime to add the missing symbols from libm.so.6 and libc.so.6

* [@spackbot] updating style on behalf of climbfuji

---------

Co-authored-by: climbfuji <climbfuji@users.noreply.github.com>

Author: climbfuji

repos/spack_repo/builtin/packages/intel_oneapi_compilers/package.py

@@ -470,6 +470,12 @@ def _standard_flag(self, *, language, standard):
     variant("amd", default=False, description="Install AMD plugin for OneAPI")
     conflicts("@:2022.2.1", when="+amd", msg="Codeplay AMD plugin requires newer release")
 
+    variant(
+        "fix_rt_linkage",
+        default=False,
+        description="Fix unresolved symbols from libc/libm in runtime libraries libirc/libimf",
+    )
+
     depends_on("gcc languages=c,c++", type="run")
 
     for v in versions:

repos/spack_repo/builtin/packages/intel_oneapi_runtime/package.py

@@ -23,6 +23,7 @@ class IntelOneapiRuntime(Package):
     tags = ["runtime"]
 
     depends_on("intel-oneapi-compilers", type="build")
+    depends_on("patchelf", when="^intel-oneapi-compilers +fix_rt_linkage", type="build")
     depends_on("gcc-runtime", type="link")
 
     LIBRARIES = [
@@ -59,6 +60,19 @@ def install(self, spec, prefix):
         for path, name in libraries:
             install(path, os.path.join(prefix.lib, os.path.basename(name)))
 
+        if self.spec["intel-oneapi-compilers"].satisfies("+fix_rt_linkage"):
+            for _, name in libraries:
+                if name == "libimf.so":
+                    patchelf = which("patchelf")
+                    patchelf.add_default_arg("--add-needed")
+                    patchelf.add_default_arg("libm.so.6")
+                    patchelf(join_path(prefix.lib, name), fail_on_error=True)
+                if name in ["libirc.so", "libimf.so"]:
+                    patchelf = which("patchelf")
+                    patchelf.add_default_arg("--add-needed")
+                    patchelf.add_default_arg("libc.so.6")
+                    patchelf(join_path(prefix.lib, name), fail_on_error=True)
+
     @property
     def libs(self):
         return LibraryList([])