hoxsl build integration

This does not include hoxsl as a submodule; I want to move away from doing
that.  Instead, it recognizes the `HOXSL` environment variable.

.gitignore

@@ -1,6 +1,7 @@
 /test/index.html
 /test/**/xspec/
 /src/**/*.texi
+/conf.xsl
 *.apply
 *.info
 

Makefile.am

@@ -18,12 +18,34 @@
 
 SUBDIRS = doc
 
-path_src   := src
-path_test  := test
+path_src  = src
+path_test = test
 
-.PHONY: check test texis
+# all source files will be run through hoxsl; see `applies' target
+apply_src  := $(shell find "$(path_src)" -name '*.xsl')
+apply_dest := $(apply_src:%.xsl=%.xsl.apply)
+
+# needed by test runner
+export SAXON_CP
+
+
+.DELETE_ON_ERROR:
+
+.PHONY: check test texis applies
+
+.DEFAULT_GOAL := applies
 
 test: check
-check:
+check: | applies
 	$(path_test)/runner
 
+# the "applies" are hoxsl-generated stylesheets containing definitions to
+# permit partial function application
+applies: $(apply_dest)
+%.apply: %
+	$(JAVA) -jar "$(SAXON_CP)" \
+	    -xsl:"$(HOXSL)/transform/apply-gen.xsl" \
+	    "$<" > "$@"
+
+clean-local:
+	$(RM) $(apply_dest)

conf.xsl.in

@@ -0,0 +1,29 @@
+<?xml version="1.0"?>
+<!--
+  General configuration
+
+  Copyright (C) 2015 LoVullo Associates, Inc.
+
+    This file is part of TAME.
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see
+    <http://www.gnu.org/licenses/>.
+-->
+<stylesheet version="2.0"
+  xmlns="http://www.w3.org/1999/XSL/Transform">
+
+<!-- hoxsl path is configured at build time -->
+<import href="@HOXSL@/apply/thrush.xsl" />
+
+</stylesheet>

configure.ac

@@ -23,6 +23,17 @@ AM_INIT_AUTOMAKE([foreign])
 AC_ARG_VAR([JAVA], [The Java executable])
 AC_CHECK_PROGS(JAVA, [java])
 
-AC_CONFIG_FILES([Makefile doc/Makefile])
+AC_ARG_VAR([SAXON_CP], [Saxon class path])
+
+: ${HOXSL=hoxsl}
+AC_ARG_VAR([HOXSL], [Path to hoxsl])
+
+AC_MSG_CHECKING([hoxsl path HOXSL=$HOXSL])
+AS_IF(test ! -d "$HOXSL",
+  AC_MSG_ERROR([hoxsl path '$HOXSL' does not exist!]))
+AC_MSG_RESULT(found)
+
+AC_CONFIG_FILES([Makefile doc/Makefile conf.xsl])
 
 AC_OUTPUT
+