[clang] [flang] [Flang] remove whole-archive option for AIX linker (PR #76039)

[via cfe-commits]

https://github.com/madanial0 updated https://github.com/llvm/llvm-project/pull/76039

>From a61a1c050612493d17b5ec199d00c38afdee8663 Mon Sep 17 00:00:00 2001
From: Mark Danial <madanial at dixon.rtp.raleigh.ibm.com>
Date: Wed, 20 Dec 2023 05:38:28 -0500
Subject: [PATCH 1/2] [Flang] remove whole-archive option for AIX linker

---
 clang/lib/Driver/ToolChains/CommonArgs.cpp | 3 ++-
 flang/test/Driver/no-duplicate-main.f90    | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp b/clang/lib/Driver/ToolChains/CommonArgs.cpp
index 4f4bdac793bea7..e9bd8f2b2aff48 100644
--- a/clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -1175,7 +1175,8 @@ static void addFortranMain(const ToolChain &TC, const ArgList &Args,
   // sure that the main() function from Fortran_main.a is pulled in by the
   // linker. However, it shouldn't be used if it's already active.
   // TODO: Find an equivalent of `--whole-archive` for Darwin.
-  if (!isWholeArchivePresent(Args) && !TC.getTriple().isMacOSX()) {
+  if (!isWholeArchivePresent(Args) && !TC.getTriple().isMacOSX() &&
+      !TC.getTriple().isOSAIX()) {
     CmdArgs.push_back("--whole-archive");
     CmdArgs.push_back("-lFortran_main");
     CmdArgs.push_back("--no-whole-archive");
diff --git a/flang/test/Driver/no-duplicate-main.f90 b/flang/test/Driver/no-duplicate-main.f90
index b884e7ecd7f12a..88f4430828e090 100644
--- a/flang/test/Driver/no-duplicate-main.f90
+++ b/flang/test/Driver/no-duplicate-main.f90
@@ -1,4 +1,4 @@
-! UNSUPPORTED: system-windows, system-darwin
+! UNSUPPORTED: system-windows, system-darwin, system-aix
 
 ! RUN: %flang -x ir -o %t.c-object -c %S/Inputs/no_duplicate_main.ll
 ! RUN: %flang -o %t -c %s

>From 2f813cab5f9cad3323b631f14405f480cffacd03 Mon Sep 17 00:00:00 2001
From: Mark Danial <madanial at dixon.rtp.raleigh.ibm.com>
Date: Thu, 21 Dec 2023 08:55:15 -0500
Subject: [PATCH 2/2] Add TODO comment for AIX

---
 clang/lib/Driver/ToolChains/CommonArgs.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp b/clang/lib/Driver/ToolChains/CommonArgs.cpp
index e9bd8f2b2aff48..6eb0ed8f3fed9a 100644
--- a/clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -1174,7 +1174,7 @@ static void addFortranMain(const ToolChain &TC, const ArgList &Args,
   // The --whole-archive option needs to be part of the link line to make
   // sure that the main() function from Fortran_main.a is pulled in by the
   // linker. However, it shouldn't be used if it's already active.
-  // TODO: Find an equivalent of `--whole-archive` for Darwin.
+  // TODO: Find an equivalent of `--whole-archive` for Darwin and AIX.
   if (!isWholeArchivePresent(Args) && !TC.getTriple().isMacOSX() &&
       !TC.getTriple().isOSAIX()) {
     CmdArgs.push_back("--whole-archive");