fix failed: gcc command not found.

pax.spec

@@ -1,6 +1,6 @@
 Name:           pax
 Version:        3.4
-Release:        34
+Release:        35
 Summary:        POSIX File System Archiver
 License:        BSD
 URL:            http://repository.timesys.com/buildsources/p
@@ -14,6 +14,7 @@ forms of standard archive (backup) files - CPIO and TAR.
 %package        help
 Summary:        Help documents for pax
 Requires:       %{name} = %{version}-%{release}
+BuildRequires:  gcc
 
 %description    help
 Man pages and other related help documents for pax.
@@ -38,5 +39,8 @@ Man pages and other related help documents for pax.
 %doc %{_mandir}/man1/pax.1.gz
 
 %changelog
+* Web 02 Jun 2021 zhaoyao<zhaoyao32@huawei.com> - 3.4-35
+- fixs faileds: /bin/sh: gcc: command not found.
+
 * Tue Feb 18 2020 Ling Yang <lingyang2@huawei.com> - 3.4-34
 - Package init