Add libgmp 6.2.0 to third_party
Don't build it yet. That will come in the next review.
Change-Id: Idf3266558165e5ab45f4a41c98cc8c838c8244d5
diff --git a/third_party/gmp/demos/expr/Makefile.am b/third_party/gmp/demos/expr/Makefile.am
new file mode 100644
index 0000000..252300a
--- /dev/null
+++ b/third_party/gmp/demos/expr/Makefile.am
@@ -0,0 +1,54 @@
+## Process this file with automake to generate Makefile.in
+
+# Copyright 2001-2004 Free Software Foundation, Inc.
+#
+# This file is part of the GNU MP Library.
+#
+# The GNU MP Library is free software; you can redistribute it and/or modify
+# it under the terms of either:
+#
+# * the GNU Lesser General Public License as published by the Free
+# Software Foundation; either version 3 of the License, or (at your
+# option) any later version.
+#
+# or
+#
+# * the GNU General Public License as published by the Free Software
+# Foundation; either version 2 of the License, or (at your option) any
+# later version.
+#
+# or both in parallel, as here.
+#
+# The GNU MP Library 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 copies of the GNU General Public License and the
+# GNU Lesser General Public License along with the GNU MP Library. If not,
+# see https://www.gnu.org/licenses/.
+
+
+AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/tests
+
+# FIXME: This is a workaround for a bug in automake 1.8.4. When the only
+# library is in EXTRA_LIBRARIES, $(ARFLAGS) is used but no default setting
+# for that variable is established. We give an explicit ARFLAGS=cru the
+# same as generated for lib_LIBRARIES or noinst_LIBRARIES.
+#
+ARFLAGS = cru
+
+EXTRA_LIBRARIES = libexpr.a
+libexpr_a_SOURCES = expr.h expr-impl.h \
+ expr.c exprv.c exprz.c exprza.c exprq.c exprqa.c exprf.c exprfa.c
+
+EXTRA_PROGRAMS = run-expr t-expr
+LDADD = libexpr.a $(top_builddir)/libgmp.la
+t_expr_LDADD = $(top_builddir)/tests/libtests.la $(LDADD)
+
+CLEANFILES = $(EXTRA_PROGRAMS) $(EXTRA_LIBRARIES)
+
+allprogs: $(EXTRA_PROGRAMS)
+
+$(top_builddir)/tests/libtests.la:
+ cd $(top_builddir)/tests; $(MAKE) $(AM_MAKEFLAGS) libtests.la