Merge pull request #1633 from beefcurtains/re2c

New package: re2c-0.14.2

srcpkgs/re2c/template

@@ -0,0 +1,35 @@
+# Template file for 're2c'
+pkgname=re2c
+version=0.14.2
+revision=1
+build_style=gnu-configure
+hostmakedepends="bison"
+short_desc="Tool for generating fast C-based recognizers"
+maintainer="beefcurtains <beefcurtains@users.noreply.github.com>"
+license="Public Domain"
+homepage="http://re2c.sourceforge.net/"
+distfiles="${SOURCEFORGE_SITE}/${pkgname}/${version}/${pkgname}-${version}.tar.gz"
+checksum=a702eb63977af4715555edb41eba3b47bbfdcdb44b566d146869a7db022f1c30
+
+pre_configure() {
+	if [ -n "$CROSS_BUILD" ]; then
+		# re2c uses itself to build, but that's not
+		# possible when cross-compiling.  Here it's
+		# forced to build on the host first, so the
+		# dependency can be satisfied.
+		env - PATH=/usr/bin:/usr/sbin ./configure
+		make ${makejobs}
+		mv re2c host_re2c
+		make clean
+	fi
+}
+
+do_build() {
+	make ${makejobs} ${make_build_args} ${make_build_target}
+	if [ ! -e host_re2c ]; then
+		mv re2c host_re2c
+	fi
+	./host_re2c -b scanner.re >scanner.cc
+	rm -f re2c scanner.o
+	make ${make_build_args} ${make_build_target}
+}