clamav: make configure detect pcre-devel

srcpkgs/clamav/template

@@ -1,10 +1,11 @@
 # Template file for 'clamav'
 pkgname=clamav
 version=0.98.7
-revision=1
+revision=2
 build_style=gnu-configure
 conf_files="/etc/clamd.conf /etc/freshclam.conf"
 CPPFLAGS="-Wno-unused-local-typedefs"
+configure_args="--with-pcre=/usr"
 system_accounts="clamav"
 clamav_homedir="/var/lib/${pkgname}"
 clamav_descr="ClamAV user"
@@ -17,6 +18,10 @@ homepage="http://www.clamav.net/"
 distfiles="${SOURCEFORGE_SITE}/${pkgname}/${pkgname}/${version}/${pkgname}-${version}.tar.gz"
 checksum=282417b707740de13cd8f18d4cbca9ddd181cf96b444db2cad98913a5153e272
 
+do_configure() {
+	# Need to set PCRE_HOME to make --with-pcre=/usr work
+	PCRE_HOME=/usr ./configure ${configure_args}
+}
 post_install() {
 	# Enable and patch clamd configuration
 	mv -v ${PKGDESTDIR}/etc/clamd.conf.sample ${PKGDESTDIR}/etc/clamd.conf