diff --git a/Makefile.am b/Makefile.am
index 1bdd373..44d7b3f 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,63 +1,64 @@
# TinyScheme-based test driver.
#
# Copyright (C) 2016 g10 Code GmbH
#
# This file is part of GnuPG.
#
# GnuPG 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.
#
# GnuPG 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 .
EXTRA_DIST = \
LICENSE.TinySCHEME \
Manual.txt \
ffi.scm \
init.scm \
lib.scm \
+ makefile.scm \
repl.scm \
t-child.scm \
xml.scm \
tests.scm \
gnupg.scm \
time.scm
AM_CPPFLAGS = -I$(top_srcdir)/common
include $(top_srcdir)/am/cmacros.am
AM_CFLAGS =
CLEANFILES =
bin_PROGRAMS = gpgscm
noinst_PROGRAMS = t-child
common_libs = ../$(libcommon)
commonpth_libs = ../$(libcommonpth)
gpgscm_CFLAGS = -imacros scheme-config.h \
$(LIBGCRYPT_CFLAGS) $(LIBASSUAN_CFLAGS) $(GPG_ERROR_CFLAGS)
gpgscm_SOURCES = main.c private.h ffi.c ffi.h ffi-private.h \
scheme-config.h scheme.c scheme.h scheme-private.h \
opdefines.h small-integers.h
gpgscm_LDADD = $(LDADD) $(common_libs) \
$(NETLIBS) $(LIBICONV) $(LIBREADLINE) $(LIBINTL) \
$(LIBGCRYPT_LIBS) $(GPG_ERROR_LIBS)
t_child_SOURCES = t-child.c
# Make sure that all libs are build before we use them. This is
# important for things like make -j2.
$(PROGRAMS): $(common_libs)
check-local: gpgscm$(EXEEXT) t-child$(EXEEXT)
EXEEXT=$(EXEEXT) GPGSCM_PATH=$(srcdir) \
./gpgscm$(EXEEXT) $(srcdir)/t-child.scm
diff --git a/makefile.scm b/makefile.scm
new file mode 100644
index 0000000..32fae3a
--- /dev/null
+++ b/makefile.scm
@@ -0,0 +1,76 @@
+;; Support for parsing Makefiles
+;;
+;; Copyright (C) 2016 g10 Code GmbH
+;;
+;; This file is part of GnuPG.
+;;
+;; GnuPG 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.
+;;
+;; GnuPG 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 .
+
+(define (parse-makefile port key)
+ (define (is-continuation? tokens)
+ (string=? (last tokens) "\\"))
+ (define (valid-token? s)
+ (< 0 (string-length s)))
+ (define (drop-continuations tokens)
+ (let loop ((acc '()) (tks tokens))
+ (if (null? tks)
+ (reverse acc)
+ (loop (if (string=? "\\" (car tks))
+ acc
+ (cons (car tks) acc)) (cdr tks)))))
+ (let next ((acc '()) (found #f))
+ (let ((line (read-line port)))
+ (if (eof-object? line)
+ acc
+ (let ((tokens (filter valid-token?
+ (string-splitp (string-trim char-whitespace?
+ line)
+ char-whitespace? -1))))
+ (cond
+ ((or (null? tokens)
+ (string-prefix? (car tokens) "#")
+ (and (not found) (not (and (string=? key (car tokens))
+ (string=? "=" (cadr tokens))))))
+ (next acc found))
+ ((not found)
+ (assert (and (string=? key (car tokens))
+ (string=? "=" (cadr tokens))))
+ (if (is-continuation? tokens)
+ (next (drop-continuations (cddr tokens)) #t)
+ (drop-continuations (cddr tokens))))
+ (else
+ (assert found)
+ (if (is-continuation? tokens)
+ (next (append acc (drop-continuations tokens)) found)
+ (append acc (drop-continuations tokens))))))))))
+
+(define (parse-makefile-expand filename expand key)
+ (define (variable? v)
+ (and (string-prefix? v "$(") (string-suffix? v ")")))
+
+ (let expand-all ((values (parse-makefile (open-input-file filename) key)))
+ (if (any variable? values)
+ (expand-all
+ (let expand-one ((acc '()) (v values))
+ (cond
+ ((null? v)
+ acc)
+ ((variable? (car v))
+ (let ((makefile (open-input-file filename))
+ (key (substring (car v) 2 (- (string-length (car v)) 1))))
+ (expand-one (append acc (expand filename makefile key))
+ (cdr v))))
+ (else
+ (expand-one (append acc (list (car v))) (cdr v))))))
+ values)))