Support ccache compile to fix build error

ocaml.spec

@@ -13,7 +13,7 @@
 
 Name:           ocaml
 Version:        4.14.1
-Release:        1
+Release:        2
 Summary:        OCaml compiler and programming environment
 License:        LGPL-2.1-only
 URL:            http://www.ocaml.org
@@ -82,9 +82,9 @@ autoconf --force
 
 %build
 
-export CC='gcc'
+export CC='ccache gcc'
 export AS='as'
-test -x "$(type -P gcc | xargs readlink -f)" && export CC="$_"
+test -x "$(type -P {ccache,gcc} | xargs readlink -f)" && export CC="$_"
 test -x "$(type -P as  | xargs readlink -f)" && export AS="$_"
 export ASPP="$CC -c"
 configure_target=
@@ -248,6 +248,9 @@ rm -f $RPM_BUILD_ROOT%{_libdir}/ocaml/eventlog_metadata
 %{_mandir}/man3/*
 
 %changelog
+* Tue Apr 02 2024 yaoxin <yao_xin001@hoperun.com> - 4.14.1-2
+- Support ccache compile to fix build error
+
 * Fri Feb 2 2024 Jingwiw <wangjingwei@iscas.ac.cn> - 4.14.1-1
 - Upgrade version to 4.14.1