Index: b/Makefile.am
===================================================================
--- b/Makefile.am
+++ b/Makefile.am
@@ -35,6 +35,10 @@
 
 SUBDIRS = src ${tests} doc lang
 
+# pkg-config file
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = gpgme-pthread.pc
+
 # Fix the version of the spec file and create a file named VERSION
 # to be used for patch's Prereq: feature.
 dist-hook: gen-ChangeLog
Index: b/configure.ac
===================================================================
--- b/configure.ac
+++ b/configure.ac
@@ -864,7 +864,8 @@
                 tests/opassuan/Makefile
 		doc/Makefile
                 src/versioninfo.rc
-                src/gpgme.h)
+                src/gpgme.h
+                gpgme-pthread.pc)
 AC_CONFIG_FILES(src/gpgme-config, chmod +x src/gpgme-config)
 AC_CONFIG_FILES(lang/cpp/Makefile lang/cpp/src/Makefile)
 AC_CONFIG_FILES(lang/cpp/src/GpgmeppConfig-w32.cmake.in)
Index: b/gpgme-pthread.pc.in
===================================================================
--- /dev/null
+++ b/gpgme-pthread.pc.in
@@ -0,0 +1,9 @@
+prefix=@prefix@
+libdir=${prefix}/lib
+includedir=${prefix}/include
+
+Name: gpgme-pthread
+Description: GNU Privacy Guard Made Easy
+Version: @VERSION@
+Libs: -L${libdir} -lgpgme -lassuan -lgpg-error
+Cflags: -I${includedir}