diff -Nur libgcrypt-1.2.4/configure.ac libgcrypt11-1.2.4/configure.ac
--- libgcrypt-1.2.4/configure.ac 2007-02-01 19:41:06.000000000 +0100
+++ libgcrypt11-1.2.4/configure.ac 2007-02-11 13:05:36.000000000 +0100
@@ -808,6 +808,7 @@
 src/Makefile
 src/gcrypt.h
 src/libgcrypt-config
+src/libgcrypt.pc
 tests/Makefile
 w32-dll/Makefile
 ])
diff -Nur libgcrypt-1.2.4/src/libgcrypt.pc.in libgcrypt11-1.2.4/src/libgcrypt.pc.in
--- libgcrypt-1.2.4/src/libgcrypt.pc.in 1970-01-01 01:00:00.000000000 +0100
+++ libgcrypt11-1.2.4/src/libgcrypt.pc.in 2007-02-11 13:03:30.000000000 +0100
@@ -0,0 +1,32 @@
+# Process this file with autoconf to produce a pkg-config metadata file.
+# Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation
+# Author: Simon Josefsson
+#
+# This file is free software; as a special exception the author gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+#
+# This file is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+# API info
+api_version=@LIBGCRYPT_CONFIG_API_VERSION@
+
+# Misc information.
+symmetric_ciphers=@LIBGCRYPT_CIPHERS@
+asymmetric_ciphers=@LIBGCRYPT_PUBKEY_CIPHERS@
+digests=@LIBGCRYPT_DIGESTS@
+
+Name: libgcrypt
+Description: GNU crypto library
+URL: http://www.gnupg.org
+Version: @VERSION@
+Libs: -L${libdir} @LIBGCRYPT_CONFIG_LIBS@
+Libs.private: @GPG_ERROR_LIBS@
+Cflags: -I${includedir} @LIBGCRYPT_CONFIG_CFLAGS@ @GPG_ERROR_CFLAGS@
diff -Nur libgcrypt-1.2.4/src/Makefile.am libgcrypt11-1.2.4/src/Makefile.am
--- libgcrypt-1.2.4/src/Makefile.am 2006-11-30 16:38:18.000000000 +0100
+++ libgcrypt11-1.2.4/src/Makefile.am 2007-02-11 13:10:03.000000000 +0100
@@ -27,6 +27,11 @@
 
 lib_LTLIBRARIES = libgcrypt.la
 
+# Pkg-config script.
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = libgcrypt.pc
+DISTCLEANFILES = $(pkgconfig_DATA)
+
 if HAVE_LD_VERSION_SCRIPT
   libgcrypt_version_script_cmd = -Wl,--version-script=$(srcdir)/libgcrypt.vers
 else