From 9dce0ab900cea5fcb7cffb01040f2d11b35f71c9 Mon Sep 17 00:00:00 2001
From: Jens Petersen <petersen@redhat.com>
Date: Mon, 12 Aug 2024 16:31:49 +0800
Subject: [PATCH] s390x also needs clang to build the rts

---
 ghc9.10.spec | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ghc9.10.spec b/ghc9.10.spec
index cf43eec..65e4fff 100644
--- a/ghc9.10.spec
+++ b/ghc9.10.spec
@@ -142,8 +142,8 @@ BuildRequires: %{ghcboot}-transformers-devel
 BuildRequires: %{ghcboot}-unix-devel
 BuildRequires: alex
 BuildRequires: binutils%{?with_ld_gold:-gold}
-BuildRequires: gmp-devel
 BuildRequires: gcc-c++
+BuildRequires: gmp-devel
 BuildRequires: libdwarf-devel
 BuildRequires: libffi-devel
 BuildRequires: libzstd-devel
@@ -158,6 +158,7 @@ BuildRequires: python3-sphinx
 %endif
 %ifarch %{ghc_llvm_archs}
 BuildRequires: llvm%{llvm_major}
+BuildRequires: clang%{llvm_major}
 %endif
 
 # needed for binary-dist-dir
@@ -509,6 +510,7 @@ cd hadrian
 # # cabal-read (for OracleQ (PackageDataKey (Package {pkgType = Library, pkgName = "rts", pkgPath = "rts"})))
 # rts/include/rts/Messages.h: withFile: resource exhausted (Too many open files)
 # https://koji.fedoraproject.org/koji/taskinfo?taskID=111327221
+# s390x failed once for -j3 https://gitlab.haskell.org/ghc/ghc/-/issues/25153
 %global _smp_ncpus_max 64
 # quickest does not build shared libs
 # try release instead of perf