Migrate issue-68794-textrel-on-minimal-lib to rmake

Author: Rejyr

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -82,7 +82,6 @@ run-make/issue-37839/Makefile
 run-make/issue-40535/Makefile
 run-make/issue-47384/Makefile
 run-make/issue-47551/Makefile
-run-make/issue-68794-textrel-on-minimal-lib/Makefile
 run-make/issue-69368/Makefile
 run-make/issue-83045/Makefile
 run-make/issue-83112-incr-test-moved-file/Makefile

tests/run-make/issue-68794-textrel-on-minimal-lib/Makefile

@@ -0,0 +1,43 @@
+// Regression test for issue #68794
+//
+// Verify that no text relocations are accidentally introduced by linking a
+// minimal rust staticlib.
+//
+// The test links a rust static library into a shared library, and checks that
+// the linker doesn't have to flag the resulting file as containing TEXTRELs.
+
+//@ only-linux
+//@ ignore-cross-compile
+
+use std::env;
+
+use run_make_support::cc;
+use run_make_support::llvm_readobj;
+use run_make_support::rustc;
+use run_make_support::{dynamic_lib_name, static_lib_name};
+
+fn main() {
+    let mut extra_flags = vec![];
+    if let Ok(extracflags) = env::var("EXTRACFLAGS") {
+        extra_flags.push(extracflags);
+    }
+    if let Ok(extracxxflags) = env::var("EXTRACXXFLAGS") {
+        extra_flags.push(extracxxflags);
+    }
+
+    rustc().input("foo.rs").run();
+
+    cc().input("bar.c")
+        .arg(static_lib_name("foo"))
+        .arg("-fPIC")
+        .arg("-shared")
+        .args(&extra_flags)
+        .output(dynamic_lib_name("bar"))
+        .run();
+
+    llvm_readobj()
+        .dynamic_table()
+        .input(dynamic_lib_name("bar"))
+        .run()
+        .assert_stdout_not_contains("TEXTREL");
+}