clang18/0001-Restore-fopenmp-implicit-rpath-disabled-by-default.patch
2024-07-24 10:16:37 +02:00

93 lines
3.9 KiB
Diff

From ba9cfbe8e1d034d823dabf1c76d270fce8085f1b Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstellar@redhat.com>
Date: Thu, 9 Mar 2023 21:52:41 -0800
Subject: [PATCH] Restore -fopenmp-implicit-rpath, disabled by default
Used by redhat-rpm-config on older Fedora versions.
---
clang/include/clang/Driver/Options.td | 6 ++++++
clang/lib/Driver/ToolChains/CommonArgs.cpp | 19 +++++++++++++++++++
clang/lib/Driver/ToolChains/CommonArgs.h | 3 +++
clang/test/OpenMP/Inputs/libomp.a | 1 +
4 files changed, 29 insertions(+)
create mode 100644 clang/test/OpenMP/Inputs/libomp.a
diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index 31ecf98b806b..46aa49e1d0d1 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -5194,6 +5194,12 @@ def offload_add_rpath: Flag<["--"], "offload-add-rpath">,
def no_offload_add_rpath: Flag<["--"], "no-offload-add-rpath">,
Flags<[NoArgumentUnused]>,
Alias<frtlib_add_rpath>;
+defm openmp_implicit_rpath: BoolFOption<"openmp-implicit-rpath",
+ LangOpts<"OpenMP">,
+ DefaultFalse,
+ PosFlag<SetTrue, [], [ClangOption], "Set rpath on OpenMP executables">,
+ NegFlag<SetFalse>,
+ BothFlags<[NoArgumentUnused]>>;
def r : Flag<["-"], "r">, Flags<[LinkerInput, NoArgumentUnused]>,
Group<Link_Group>;
def regcall4 : Flag<["-"], "regcall4">, Group<m_Group>,
diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp b/clang/lib/Driver/ToolChains/CommonArgs.cpp
index 483ecd0ae592..55c673460a2f 100644
--- a/clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -889,6 +889,22 @@ static void addOpenMPDeviceLibC(const ToolChain &TC, const ArgList &Args,
}
}
+void tools::addOpenMPRuntimeSpecificRPath(const ToolChain &TC,
+ const ArgList &Args,
+ ArgStringList &CmdArgs) {
+
+ if (Args.hasFlag(options::OPT_fopenmp_implicit_rpath,
+ options::OPT_fno_openmp_implicit_rpath, false)) {
+ // Default to clang lib / lib64 folder, i.e. the same location as device
+ // runtime
+ SmallString<256> DefaultLibPath =
+ llvm::sys::path::parent_path(TC.getDriver().Dir);
+ llvm::sys::path::append(DefaultLibPath, CLANG_INSTALL_LIBDIR_BASENAME);
+ CmdArgs.push_back("-rpath");
+ CmdArgs.push_back(Args.MakeArgString(DefaultLibPath));
+ }
+}
+
void tools::addOpenMPRuntimeLibraryPath(const ToolChain &TC,
const ArgList &Args,
ArgStringList &CmdArgs) {
@@ -963,6 +979,9 @@ bool tools::addOpenMPRuntime(ArgStringList &CmdArgs, const ToolChain &TC,
addOpenMPDeviceLibC(TC, Args, CmdArgs);
addArchSpecificRPath(TC, Args, CmdArgs);
+
+ if (RTKind == Driver::OMPRT_OMP)
+ addOpenMPRuntimeSpecificRPath(TC, Args, CmdArgs);
addOpenMPRuntimeLibraryPath(TC, Args, CmdArgs);
return true;
diff --git a/clang/lib/Driver/ToolChains/CommonArgs.h b/clang/lib/Driver/ToolChains/CommonArgs.h
index 096152bfbdcf..7e8bf6b8830c 100644
--- a/clang/lib/Driver/ToolChains/CommonArgs.h
+++ b/clang/lib/Driver/ToolChains/CommonArgs.h
@@ -117,6 +117,9 @@ void AddAssemblerKPIC(const ToolChain &ToolChain,
const llvm::opt::ArgList &Args,
llvm::opt::ArgStringList &CmdArgs);
+void addOpenMPRuntimeSpecificRPath(const ToolChain &TC,
+ const llvm::opt::ArgList &Args,
+ llvm::opt::ArgStringList &CmdArgs);
void addArchSpecificRPath(const ToolChain &TC, const llvm::opt::ArgList &Args,
llvm::opt::ArgStringList &CmdArgs);
void addOpenMPRuntimeLibraryPath(const ToolChain &TC,
diff --git a/clang/test/OpenMP/Inputs/libomp.a b/clang/test/OpenMP/Inputs/libomp.a
new file mode 100644
index 000000000000..8b277f0dd5dc
--- /dev/null
+++ b/clang/test/OpenMP/Inputs/libomp.a
@@ -0,0 +1 @@
+!<arch>
--
2.41.0