From ef85dff5b3247fd4078ad12a23b32682faf693fa Mon Sep 17 00:00:00 2001
From: Josh Stone <jistone@redhat.com>
Date: Wed, 27 Sep 2023 11:17:12 -0700
Subject: [PATCH] Fix the profiler runtime with compiler-rt-17

---
 rust.spec | 36 ++++++++++++++++++++++++------------
 1 file changed, 24 insertions(+), 12 deletions(-)

diff --git a/rust.spec b/rust.spec
index 8a25fdd..a993b13 100644
--- a/rust.spec
+++ b/rust.spec
@@ -773,9 +773,14 @@ end}
 %endif
 
 %if 0%{?fedora} || 0%{?rhel} >= 8
-# The exact profiler path is version dependent, and uses LLVM-specific
-# arch names in the filename, but this find is good enough for now...
-PROFILER=$(find %{_libdir}/clang -type f -name 'libclang_rt.profile-*.a')
+# Find the compiler-rt library for the Rust profiler_builtins crate.
+%if 0%{?clang_major_version} >= 17
+PROFILER='%{clang_resource_dir}/lib/%{_arch}-redhat-linux-gnu/libclang_rt.profile.a'
+%else
+# The exact profiler path is version dependent..
+PROFILER=$(echo %{_libdir}/clang/*/lib/libclang_rt.profile-%{_arch}.a)
+%endif
+test -r "$PROFILER"
 %endif
 
 %configure --disable-option-checking \
@@ -919,16 +924,23 @@ rm -f %{buildroot}%{rustlibdir}/%{rust_triple}/bin/rust-ll*
 
 # Sanity-check the installed binaries, debuginfo-stripped and all.
 %{buildroot}%{_bindir}/cargo new build/hello-world
-env RUSTC=%{buildroot}%{_bindir}/rustc \
-    LD_LIBRARY_PATH="%{buildroot}%{_libdir}:$LD_LIBRARY_PATH" \
-    %{buildroot}%{_bindir}/cargo run --manifest-path build/hello-world/Cargo.toml
+(
+  cd build/hello-world
+  export RUSTC=%{buildroot}%{_bindir}/rustc \
+    LD_LIBRARY_PATH="%{buildroot}%{_libdir}:$LD_LIBRARY_PATH"
+  %{buildroot}%{_bindir}/cargo run --verbose
 
-# Try a build sanity-check for other targets
-for triple in %{?mingw_targets} %{?wasm_targets}; do
-  env RUSTC=%{buildroot}%{_bindir}/rustc \
-      LD_LIBRARY_PATH="%{buildroot}%{_libdir}:$LD_LIBRARY_PATH" \
-      %{buildroot}%{_bindir}/cargo build --manifest-path build/hello-world/Cargo.toml --target=$triple
-done
+%if 0%{?fedora} || 0%{?rhel} >= 8
+  # Sanity-check that code-coverage builds and runs
+  env RUSTFLAGS="-Cinstrument-coverage" %{buildroot}%{_bindir}/cargo run --verbose
+  test -r default_*.profraw
+%endif
+
+  # Try a build sanity-check for other std-enabled targets
+  for triple in %{?mingw_targets} %{?wasm_targets}; do
+    %{buildroot}%{_bindir}/cargo build --verbose --target=$triple
+  done
+)
 
 # The results are not stable on koji, so mask errors and just log it.
 # Some of the larger test artifacts are manually cleaned to save space.