From 84a7da0f72b480b0956c976aa9f45babf2b6c16f Mon Sep 17 00:00:00 2001
From: lvgenggeng <lvgenggeng@uniontech.com>
Date: Wed, 19 Jul 2023 17:58:38 +0800
Subject: [PATCH] add %bcond_without clang for building with clang

Signed-off-by: lvgenggeng <lvgenggeng@uniontech.com>
---
 busybox.spec | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/busybox.spec b/busybox.spec
index 7cc53e2..b110deb 100644
--- a/busybox.spec
+++ b/busybox.spec
@@ -4,10 +4,12 @@
 %endif
 
 %if "%{!?RELEASE:1}"
-%define RELEASE 19
+%define RELEASE 20
 %endif
 Epoch: 1
 
+%bcond_without clang
+
 Name: busybox
 Version: %{VERSION}
 Release: %{RELEASE}
@@ -27,7 +29,11 @@ Patch6003: backport-generalize-const-trick.patch
 
 BuildRoot:      %_topdir/BUILDROOT
 #Dependency
+%if %{with clang}
+BuildRequires: clang < 13
+%else
 BuildRequires: gcc glibc-static
+%endif
 BuildRequires: libselinux-devel >= 1.27.7-2
 BuildRequires: libsepol-devel libselinux-static libsepol-static
 
@@ -61,10 +67,16 @@ This package contains help documentation for busybox
 %build
 export CFLAGS="$RPM_OPT_FLAGS -fPIE" LDFLAGS="-Wl,-z,now"
 
+%if %{with clang}
+export CC=clang
+%else
+export CC=gcc
+%endif
+
 cp %{SOURCE3} .config
 yes "" | make oldconfig && \
 cat .config && \
-make V=1 %{?_smp_mflags} CC="gcc $RPM_OPT_FLAGS"
+make V=1 %{?_smp_mflags} CC="$CC $RPM_OPT_FLAGS"
 
 cp busybox_unstripped busybox.dynamic
 cp docs/busybox.1 docs/busybox.dynamic.1
@@ -73,7 +85,7 @@ make clean
 cp %{SOURCE2} .config
 yes "" | make oldconfig
 cat .config && \
-make V=1 %{?_smp_mflags} CC="%__cc $RPM_OPT_FLAGS"
+make V=1 %{?_smp_mflags} CC="$CC $RPM_OPT_FLAGS"
 
 cp busybox_unstripped busybox.petitboot
 cp docs/busybox.1 docs/busybox.petitboot.1
@@ -99,6 +111,9 @@ install -m 644 docs/busybox.dynamic.1 $RPM_BUILD_ROOT/%{_mandir}/man1/busybox.1
 %{_mandir}/man1/busybox.petitboot.1.gz
 
 %changelog
+* Wed Jul 19 2023 lvgenggeng <lvgenggeng@uniontech.com> - 1:1.34.1-20
+- add %bcond_without clang for building with clang
+
 * Fri Dec 16 2022 cf_zhao <zhaochuanfeng@huawei.com> - 1:1.34.1-19
 - Backport generalize "const trick" which commited in 1f925038ab9c6bd8f6b3cd40ed7aab0ef10d898e
 
-- 
Gitee