squid: it's cross compilable now.

srcpkgs/squid/template

@@ -21,7 +21,7 @@ configure_args="
  --enable-storeio=aufs,ufs,diskd
  --enable-delay-pools
  --enable-arp-acl
- --with-openssl=/usr
+ --with-openssl=${XBPS_CROSS_BASE}/usr
  --enable-snmp
  --enable-icmp
  --enable-linux-netfilter
@@ -42,7 +42,10 @@ configure_args="
  --enable-ssl-crtd
  --disable-arch-native
  --disable-strict-error-checking
- --enable-wccpv2"
+ --enable-wccpv2
+ squid_cv_gnu_atomics=yes
+ BUILDCXX=g++
+ BUILDCXXFLAGS=-O2"
 conf_files="/etc/squid/squid.conf
  /etc/squid/errorpage.css
  /etc/squid/cachemgr.conf
@@ -60,7 +63,6 @@ license="GPL-2"
 homepage="http://www.squid-cache.org/"
 distfiles="ftp://ftp.fu-berlin.de/unix/www/${pkgname}/${pkgname}/${pkgname}-${version}.tar.xz"
 checksum=cb04e34f6ec80a5ae6caaef042703c841d3803c4c280e75eff12a5a6c84951a2
-nocross="configure: error: cannot run test program while cross compiling"
 
 post_install() {
 	chmod u+s \