add clang compile support

ostree.spec

@@ -1,7 +1,7 @@
 #needsrootforbuild
 Name:           ostree
 Version:        2023.5
-Release:        1
+Release:        2
 Summary:        A tool like git for operating system binaries
 License:        LGPLv2+
 URL:            https://ostree.readthedocs.io/en/latest/
@@ -10,6 +10,7 @@ Source0:        https://github.com/ostreedev/%{name}/releases/download/v%{versio
 Patch9000:      Do-not-run-testcase-test-libarvhive-import-because-selinux-is-off.patch
 Patch9001:      skip-updating-the-preference.patch
 Patch9002:      skip-if-etc-mtab-is-not-a-symlink-of-proc-self-mounts.patch
+Patch9003:      remove-specific-cc-in-automake.patch
 
 BuildRequires:  bison autoconf automake libtool gobject-introspection-devel pkgconfig(liblzma) docbook-xsl
 BuildRequires:  pkgconfig(e2p) pkgconfig(zlib) pkgconfig(libcurl) pkgconfig(libsoup-2.4) gpgme-devel
@@ -94,6 +95,12 @@ make check
 %{_mandir}/man*/{ostree,rofiles}*.gz
 
 %changelog
+* Fri Aug 11 2023 liyunfei <liyunfei33@huawei.com> - 2023.5-2
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:add clang compile support
+
 * Wed Jul 12 2023 jiangchuangang <jiangchuangang@huawei.com> - 2023.5-1
 - update to 2023.5
 

remove-specific-cc-in-automake.patch

@@ -0,0 +1,11 @@
+diff -up libostree-2022.2/Makefile-libostree.am.orig2 libostree-2022.2/Makefile-libostree.am
+--- libostree-2022.2/Makefile-libostree.am.orig2        2023-04-19 19:03:26.663366592 +0800
++++ libostree-2022.2/Makefile-libostree.am      2023-04-19 19:03:48.391512904 +0800
+@@ -267,7 +267,4 @@ endif # USE_LIBSODIUM
+
+-# XXX: work around clang being passed -fstack-clash-protection which it doesn't understand
+-# See: https://bugzilla.redhat.com/show_bug.cgi?id=1672012
+-INTROSPECTION_SCANNER_ENV = CC=gcc
+
+ if BUILDOPT_INTROSPECTION
+ OSTree-1.0.gir: libostree-1.la Makefile