From 05891075c8154e14b4bd3c91d5368793fac8f807 Mon Sep 17 00:00:00 2001
From: wk333 <13474090681@163.com>
Date: Thu, 14 Nov 2024 09:04:05 +0800
Subject: [PATCH] switch to bundled llvm

---
 rust.spec | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/rust.spec b/rust.spec
index dd05582..d2a480a 100644
--- a/rust.spec
+++ b/rust.spec
@@ -4,7 +4,7 @@
 %global bootstrap_date 2024-06-13
 %global bootstrap_arches x86_64 aarch64 riscv64
 %bcond_with llvm_static
-%bcond_with bundled_llvm
+%bcond_without bundled_llvm
 %bcond_without bundled_libgit2
 %bcond_with disabled_libssh2
 %bcond_without lldb
@@ -18,7 +18,7 @@
 
 Name:                rust
 Version:             1.82.0
-Release:             1
+Release:             2
 Summary:             The Rust Programming Language
 License:             Apache-2.0 OR MIT
 URL:                 https://www.rust-lang.org
@@ -324,7 +324,11 @@ export %{rust_env}
 %define codegen_units_std --set rust.codegen-units-std=1
 %endif
 ncpus=$(/usr/bin/getconf _NPROCESSORS_ONLN)
+%if %{with bundled_llvm}
+max_cpus=$(( ($(free -g | awk '/^Mem:/{print $2}') + 1) / 4 ))
+%else
 max_cpus=$(( ($(free -g | awk '/^Mem:/{print $2}') + 1) / 2 ))
+%endif
 if [ "$max_cpus" -ge 1 -a "$max_cpus" -lt "$ncpus" ]; then
   ncpus="$max_cpus"
 fi
@@ -539,6 +543,9 @@ export %{rust_env}
 %{_mandir}/man1/cargo*.1*
 
 %changelog
+* Wed Nov 13 2024 jchzhou <zhoujiacheng@iscas.ac.cn> - 1.82.0-2
+- Switch to bundled llvm for building, halve the 'max_cpus' in this case
+
 * Wed Oct 23 2024 jchzhou <zhoujiacheng@iscas.ac.cn> - 1.82.0-1
 - Update to 1.82.0
 
-- 
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