From a1464babd3ba331c0e84a7b380418301d80fad3e Mon Sep 17 00:00:00 2001
From: Suyun <ziyu.oerv@isrc.iscas.ac.cn>
Date: Tue, 7 Jan 2025 21:37:40 +0800
Subject: [PATCH] Support Clang for building

(cherry picked from commit 6863392108e45fe5c89f0793c162cfdca0a9c0ea)
---
 zerofree.spec | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/zerofree.spec b/zerofree.spec
index 3a97209..e498d31 100644
--- a/zerofree.spec
+++ b/zerofree.spec
@@ -1,6 +1,6 @@
 Name:           zerofree
 Version:        1.1.1
-Release:        4
+Release:        5
 Summary:        Utility to force unused ext2/3/4 inodes and blocks to zero
 License:        GPLv2
 URL:            https://frippery.org/uml/
@@ -24,9 +24,13 @@ This package includes man files for %{name}.
 %autosetup -p1
 cp -p %{SOURCE1} .
 
+%if "%toolchain" == "clang"
+  sed -i 's/CC=gcc//' Makefile
+%endif
+
 %build
-make CC="gcc $RPM_OPT_FLAGS"
-gcc $RPM_OPT_FLAGS sparsify.c -o sparsify -lext2fs
+make CC="%{__cc} $RPM_OPT_FLAGS"
+%{__cc} $RPM_OPT_FLAGS sparsify.c -o sparsify -lext2fs
 
 %install
 install -D -p -m 755 zerofree $RPM_BUILD_ROOT%{_sbindir}/zerofree
@@ -41,6 +45,9 @@ install -D -p -m 644 %{SOURCE2} $RPM_BUILD_ROOT%{_mandir}/man8/zerofree.8
 %{_mandir}/man*/*
 
 %changelog
+* Tue Jan 07 2025 Suyun <ziyu.oerv@isrc.iscas.ac.cn> - 1.1.1-5
+- Support Clang for building
+
 * Mon May 31 2021 huanghaitao <huanghaitao8@huawei.com> - 1.1.1-4
 - Completing build dependencies to fix gcc compiler missing error
 
-- 
Gitee