diff --git a/Makefile.am b/Makefile.am
index a3e8f1e..b3676ee 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -31,6 +31,8 @@ thisinclude_HEADERS = \
 	include/rs_vand/rs_galois.h \
 	include/rs_vand/liberasurecode_rs_vand.h
 
+pkgconfig_DATA = erasurecode-$(API_VERSION).pc
+
 install-exec-hook:
 	-(mkdir -p $(DESTDIR)$(includedir) && \
 	   cd $(DESTDIR)$(includedir) && \
diff --git a/configure.ac b/configure.ac
index a3d62b3..d468b77 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,18 @@
 ################################################################################
 #                           Standard Stuff
 ################################################################################
-AC_INIT(liberasurecode,1.1.0)
+
+# Release version
+m4_define([package_version_major],[1])
+m4_define([package_version_minor],[1])
+m4_define([package_version_micro],[2])
+
+# API version
+m4_define([api_version],[1])
+
+AC_INIT(liberasurecode,
+        [package_version_major.package_version_minor.package_version_micro])
+        
 AC_GNU_SOURCE
 
 AC_PREREQ([2.61])
@@ -25,6 +36,14 @@ AC_PROG_CXX
 AC_PROG_INSTALL
 AC_PROG_MAKE_SET
 
+PKG_PROG_PKG_CONFIG
+PKG_INSTALLDIR
+
+AC_SUBST([PACKAGE_VERSION_MAJOR],package_version_major)
+AC_SUBST([PACKAGE_VERSION_MINOR],package_version_minor)
+AC_SUBST([PACKAGE_VERSION_MICRO],package_version_micro)
+AC_SUBST([API_VERSION],api_version)
+
 AX_EXT()
 
 ################################################################################
@@ -202,10 +221,13 @@ AC_CONFIG_FILES([\
     test/Makefile \
     doc/Makefile \
     Makefile \
-    erasurecode.pc \
     Xorcode.pc
 ])
 
+AC_CONFIG_FILES([\
+    erasurecode-$API_VERSION.pc:erasurecode.pc], [],
+    [API_VERSION='$API_VERSION'])
+
 AM_CONDITIONAL([HAVE_DOXYGEN], [test -n "$DOXYGEN"])
 AM_COND_IF([HAVE_DOXYGEN],
            [AC_CONFIG_FILES([doc/doxygen.cfg])])
diff --git a/erasurecode.pc.in b/erasurecode.pc.in
index cc73848..29f8192 100644
--- a/erasurecode.pc.in
+++ b/erasurecode.pc.in
@@ -7,9 +7,9 @@ includedir=@includedir@
 
 Name: erasurecode
 Description: C library with pluggable erasure code backends
-Version: @ERASURECODE_VERSION@
+Version: @PACKAGE_VERSION@
 Requires:
 Conflicts:
-Libs: -L${libdir} @ERASURECODE_RLD_FLAGS@ -lerasurecode
+Libs: -L${libdir} -lerasurecode
 Libs.private: @ERASURECODE_STATIC_LIBS@
-Cflags: -I${includedir}/ -I${includedir}/liberasurecode @ERASURECODE_CFLAGS@
+Cflags: -I${includedir}/ -I${includedir}/liberasurecode