=> Bootstrap dependency digest>=20010302: found digest-20121220
=> Bootstrap dependency fetch-[0-9]*: found fetch-1.8nb1
WARNING: [license.mk] Every package should define a LICENSE.
=> Checksum SHA1 OK for slatec_src.tgz
=> Checksum RMD160 OK for slatec_src.tgz
===> Installing dependencies for slatec-4.1nb3
=> Tool dependency libtool-base>=2.2.6bnb3: found libtool-base-2.4.2nb2
=> Tool dependency nbpatch-[0-9]*: found nbpatch-20100124
=> Tool dependency f2c>=20090411nb2: found f2c-20100903
=> Tool dependency checkperms>=1.1: found checkperms-1.11
=> Build dependency libtool-fortran>=2.2.6bnb3: found libtool-fortran-2.4.2nb1
=> Full dependency libf2c>=20090201nb3: found libf2c-20090201nb3
===> Overriding tools for slatec-4.1nb3
===> Extracting for slatec-4.1nb3
cd /usr/pkgsrc/math/slatec/files && cp d1mach.f i1mach.f r1mach.f /tmp/pkgsrc/math/slatec/work/src
===> Patching for slatec-4.1nb3
=> Applying pkgsrc patches for slatec-4.1nb3
=> Verifying /usr/pkgsrc/math/slatec/patches/patch-aa
=> Applying pkgsrc patch /usr/pkgsrc/math/slatec/patches/patch-aa
Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|$NetBSD: patch-aa,v 1.3 2009/12/11 17:32:41 asau Exp $
|
|--- /dev/null	2003-12-04 12:37:08.000000000 +0000
|+++ Makefile
--------------------------
(Creating file Makefile...)
Patching file Makefile using Plan A...
Empty context always matches.
Hunk #1 succeeded at 1.
done
===> Creating toolchain wrappers for slatec-4.1nb3
===> Configuring for slatec-4.1nb3
=> Checking for portability problems in extracted files
=> Modifying libtool scripts to use pkgsrc libtool