net-proxy/squid: make perl optional.

It is possible to use squid as a simple pull through cache without
pulling in perl.  To allow this simple use case, move the runtime
dependency on perl to be guarded by a use flag, and don't install
the scripts that use perl in that case.

Closes: https://github.com/gentoo/gentoo/pull/8518

diff --git a/net-proxy/squid/squid-3.5.27-r1.ebuild b/net-proxy/squid/squid-3.5.27-r1.ebuild
index d8e27e7b824f4921d4da6c2f852d26b24993305b..a81007e75347758664fdb0fe312a52911fe41263 100644 (file)
--- a/net-proxy/squid/squid-3.5.27-r1.ebuild
+++ b/net-proxy/squid/squid-3.5.27-r1.ebuild
@@ -14,7 +14,7 @@ KEYWORDS="alpha amd64 arm hppa ia64 ~mips ppc ppc64 ~sparc x86 ~x86-fbsd"
 IUSE="caps ipv6 pam ldap libressl samba sasl kerberos nis radius ssl snmp selinux logrotate test \
        ecap esi ssl-crtd \
        mysql postgres sqlite \
-       qos tproxy \
+       perl qos tproxy \
        +htcp +wccp +wccpv2 \
        pf-transparent ipf-transparent kqueue \
        elibc_uclibc kernel_linux"
@@ -33,13 +33,14 @@ COMMON_DEPEND="caps? ( >=sys-libs/libcap-2.16 )
        esi? ( dev-libs/expat dev-libs/libxml2 )
        !x86-fbsd? ( logrotate? ( app-admin/logrotate ) )
        >=sys-libs/db-4:*
-       dev-lang/perl
        dev-libs/libltdl:0"
 DEPEND="${COMMON_DEPEND}
+       dev-lang/perl
        ecap? ( virtual/pkgconfig )
        test? ( dev-util/cppunit )"
 RDEPEND="${COMMON_DEPEND}
        samba? ( net-fs/samba )
+       perl? ( dev-lang/perl )
        mysql? ( dev-perl/DBD-mysql )
        postgres? ( dev-perl/DBD-Pg )
        selinux? ( sec-policy/selinux-squid )
@@ -223,6 +224,21 @@ src_install() {
        fowners root:squid /usr/libexec/squid/pinger
        fperms 4750 /usr/libexec/squid/pinger
 
+       # these scripts depend on perl
+       if ! use perl; then
+               local f
+               local PERL_SCRIPTS=(
+                   "${D}"/usr/libexec/squid/basic_pop3_auth
+                   "${D}"/usr/libexec/squid/log_db_daemon
+                   "${D}"/usr/libexec/squid/basic_msnt_multi_domain_auth
+                   "${D}"/usr/libexec/squid/storeid_file_rewrite
+                   "${D}"/usr/libexec/squid/helper-mux.pl
+               )
+               for f in "${PERL_SCRIPTS[@]}"; do
+                       rm -v "${f}" || die
+               done
+       fi
+
        # cleanup
        rm -f "${D}"/usr/bin/Run*
        rm -rf "${D}"/run/squid "${D}"/var/cache/squid