highlight: attempt to unbreak cross with perl plugin build

srcpkgs/highlight/template

@@ -1,7 +1,7 @@
 # Template file for 'highlight'
 pkgname=highlight
 version=3.54
-revision=2
+revision=3
 build_style=gnu-makefile
 make_cmd="make QMAKE=qmake"
 hostmakedepends="pkg-config qt-qmake swig perl"
@@ -14,12 +14,20 @@ distfiles="http://www.andre-simon.de/zip/${pkgname}-${version}.tar.bz2"
 checksum=8a50a85e94061b53085c6ad8cf110039217dbdd411ab846f9ff934bec7ecd6d0
 conf_files="/etc/highlight/filetypes.conf"
 
-case "$XBPS_TARGET_MACHINE" in
-	arm*) broken="https://build.voidlinux.org/builders/armv6l_builder/builds/23719/steps/shell_3/logs/stdio"
-esac
+post_extract() {
+	# prevent leakage of cflags from host during cross, we don't care about
+	# most of them (except the largefile ones); we will pass the correct
+	# ones for target ourselves manually; but we still want include path
+	vsed -i '/PERL_INC/s/eccopts/eperl_inc/' extras/swig/makefile
+}
 
 pre_build() {
-	make -C extras/swig perl "CXX=$CXX -fPIC -lperl $LDFLAGS"
+	# extra flags used during build of perl itself
+	local _ecflags=
+	if [ "$XBPS_TARGET_LIBC" = "glibc" ]; then
+		_ecflags="-D_FILE_OFFSET_BITS=64 -DLARGE_FILE_SUPPORT64"
+	fi
+	make -C extras/swig perl "CXX=$CXX -fPIC -lperl $CFLAGS $_ecflags $LDFLAGS"
 }
 
 do_check() {