flex: Update from 2.6.0 to 2.6.3

packages/flex/build.sh

@@ -1,10 +1,17 @@
-TERMUX_PKG_HOMEPAGE=http://flex.sourceforge.net/
+TERMUX_PKG_HOMEPAGE=https://github.com/westes/flex
 TERMUX_PKG_DESCRIPTION="Fast lexical analyser generator"
-TERMUX_PKG_VERSION=2.6.0
-TERMUX_PKG_REVISION=2
-TERMUX_PKG_SRCURL=http://downloads.sourceforge.net/project/flex/flex-${TERMUX_PKG_VERSION}.tar.xz
+TERMUX_PKG_VERSION=2.6.3
+TERMUX_PKG_SRCURL=https://github.com/westes/flex/releases/download/v${TERMUX_PKG_VERSION}/flex-${TERMUX_PKG_VERSION}.tar.gz
+TERMUX_PKG_SHA256=68b2742233e747c462f781462a2a1e299dc6207401dac8f0bbb316f48565c2aa
 TERMUX_PKG_DEPENDS="m4"
+TERMUX_PKG_HOSTBUILD=true
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS+="ac_cv_path_M4=$TERMUX_PREFIX/bin/m4"
 TERMUX_PKG_NO_DEVELSPLIT=yes
 TERMUX_PKG_CONFLICTS="flex-dev"
 TERMUX_PKG_REPLACES="flex-dev"
+
+termux_step_pre_configure() {
+	mkdir -p $TERMUX_PKG_BUILDDIR/src/
+	cp $TERMUX_PKG_HOSTBUILD_DIR/src/stage1flex $TERMUX_PKG_BUILDDIR/src/stage1flex
+	touch -d "next hour" $TERMUX_PKG_BUILDDIR/src/stage1flex
+}