diff --git a/Makefile b/Makefile
index 9d5b8c982..6b96f7c99 100644
--- a/Makefile
+++ b/Makefile
@@ -4,6 +4,7 @@ ifndef SRCDIR
 endif
 
 -include $(TOPDIR)/Makedirlist
+-include $(TOPDIR)/src/lib/MakeVars
 
 SUBDIRS = src
 ALLSUBDIRS = $(SUBDIRS) doc
@@ -25,12 +26,18 @@ export::
 	  done
 	(cd export && $(MAKE) $(DODEPENDOPT) export) || exit 1;
 
-install::
+install:: install_pkgconfig
 	for dir in $(SUBDIRS); \
 	  do \
 	    (cd $${dir} && $(MAKE) $(DODEPENDOPT) install) || exit 1; \
 	  done
 
+ifdef pkgconfigdir
+install_pkgconfig:: 
+	$(INSTALL) $(INSTALLDIROPT) $(pkgconfigdir)
+	$(INSTALL) $(INSTALLLIBOPT) $(TOPDIR)/libint2.pc $(pkgconfigdir)
+endif
+
 install_inc::
 	for dir in $(SUBDIRS); \
 	  do \
diff --git a/configure.ac b/configure.ac
index 697c59bf2..86f2420a0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -900,6 +900,13 @@ SCRATCHDIR=$withval
 )
 AC_SUBST(SCRATCHDIR)
 
+PKGCONFIGDIR='$(libdir)/pkgconfig'
+AC_ARG_WITH(pkgconfigdir,
+[  --with-pkgconfigdir     Specifies the location to put pkg-config's data file. Default is $(libdir)/pkgconfig.],
+PKGCONFIGDIR=$withval
+)
+AC_SUBST(PKGCONFIGDIR)
+
 dnl --------- Want absolute path for srcdir, not relative. ---------
 
 if test X$ac_srcdir_defaulted = Xyes; then
@@ -1392,7 +1399,7 @@ AC_CONFIG_FILES([src/bin/test_eri/stdtests.pl],[chmod +x src/bin/test_eri/stdtes
 AC_CONFIG_FILES([src/bin/test_eri/run_timing_suite.pl],[chmod +x src/bin/test_eri/run_timing_suite.pl])
 AC_CONFIG_FILES(src/bin/MakeVars src/lib/MakeVars src/lib/MakeRules
                 doc/MakeVars doc/MakeRules doc/progman/macros.tex doc/classdoc/doxygen.cfg
-                src/bin/libint/cgshell_ordering.h)
+                src/bin/libint/cgshell_ordering.h libint2.pc)
 
 dnl --------- Done! ---------
 AC_OUTPUT
diff --git a/export/MakeRules.export b/export/MakeRules.export
index 474f42418..d04d2b397 100644
--- a/export/MakeRules.export
+++ b/export/MakeRules.export
@@ -1,7 +1,7 @@
 
 default:: $(TOPDIR)/lib/$(TARGET)
 
-install:: install_inc install_target
+install:: install_inc install_target install_pkgconfig
 
 install_inc:: $(TOPDIR)/lib/$(TARGET)
 	$(INSTALL) $(INSTALLDIROPT) $(DESTDIR)$(includedir)/$(NAME)$(VERSION)
@@ -17,6 +17,10 @@ install_inc:: $(TOPDIR)/lib/$(TARGET)
 	-$(INSTALL) $(INSTALLLIBOPT) $(TOPDIR)/include/libint2_config.h $(DESTDIR)$(includedir)/$(NAME)$(VERSION)
 	-$(INSTALL) $(INSTALLLIBOPT) $(SRCTOPDIR)/include/boys.h $(DESTDIR)$(includedir)/$(NAME)$(VERSION)
 
+install_pkgconfig::
+	$(INSTALL) $(INSTALLDIROPT) $(pkgconfigdir)
+	$(INSTALL) $(INSTALLLIBOPT) $(TOPDIR)/libint2.pc $(pkgconfigdir)
+
 install_target:: $(TOPDIR)/lib/$(TARGET)
 	$(INSTALL) $(INSTALLDIROPT) $(DESTDIR)$(libdir)
 	$(LTINST) $(INSTALL) $(INSTALLLIBOPT) $< $(DESTDIR)$(libdir)
diff --git a/export/MakeVars.export b/export/MakeVars.export
index c457d775f..39782525f 100644
--- a/export/MakeVars.export
+++ b/export/MakeVars.export
@@ -70,6 +70,7 @@ exec_prefix=@exec_prefix@
 bindir=@bindir@
 libdir=@libdir@
 includedir=@libintincludedir@
+pkgconfigdir=@PKGCONFIGDIR@
 
 RANLIB = @RANLIB@
 COMPRESS = gzip
diff --git a/export/Makefile b/export/Makefile
index 181bb0d2a..3e4620b29 100644
--- a/export/Makefile
+++ b/export/Makefile
@@ -54,6 +54,7 @@ exportdir::
 	-$(INSTALL) $(INSTALLLIBOPT) $(SRCTOPDIR)/src/bin/libint/util_types.h $(TOPDIR)/$(EXPORTDIR)/include
 	-$(INSTALL) $(INSTALLLIBOPT) $(SRCTOPDIR)/src/bin/libint/cgshellinfo.h $(TOPDIR)/$(EXPORTDIR)/include
 	-$(INSTALL) $(INSTALLLIBOPT) $(SRCTOPDIR)/src/lib/libint/*.h $(TOPDIR)/$(EXPORTDIR)/include
+	-$(INSTALL) $(INSTALLLIBOPT) $(SRCTOPDIR)/libint2.pc.in $(TOPDIR)/$(EXPORTDIR)
 	-$(INSTALL) $(INSTALLLIBOPT) $(TOPDIR)/src/bin/libint/cgshell_ordering.h $(TOPDIR)/$(EXPORTDIR)/include
 	-$(INSTALL) $(INSTALLLIBOPT) $(TOPDIR)/include/libint2_config.h $(TOPDIR)/$(EXPORTDIR)/include/libint2_config.h.in
 	-$(INSTALL) $(INSTALLLIBOPT) $(SRCDIR)/INSTALL.export $(TOPDIR)/$(EXPORTDIR)/INSTALL
diff --git a/export/configure.export b/export/configure.export
index 180f3f5e5..91ce6a7a9 100644
--- a/export/configure.export
+++ b/export/configure.export
@@ -143,6 +143,13 @@ LDFLAGS=$withval
 echo Using extra library directories: $withval
 )
 
+PKGCONFIGDIR='$(libdir)/pkgconfig'
+AC_ARG_WITH(pkgconfigdir,
+[  --with-pkgconfigdir     Specifies the location to put pkg-config's data file. Default is $(libdir)/pkgconfig.],
+PKGCONFIGDIR=$withval
+)
+AC_SUBST(PKGCONFIGDIR)
+
 dnl --------- Want absolute path for srcdir, not relative. ---------
 
 if test X$ac_srcdir_defaulted = Xyes; then
@@ -399,7 +406,7 @@ LIBSUF=la
 ENABLESHARED=yes
 AC_SUBST(ENABLESHARED)
 
-AC_CONFIG_FILES(MakeVars MakeRules MakeSuffixRules doc/Makefile)
+AC_CONFIG_FILES(MakeVars MakeRules MakeSuffixRules doc/Makefile libint2.pc)
 
 dnl --------- Done! ---------
 AC_OUTPUT
diff --git a/libint2.pc.in b/libint2.pc.in
new file mode 100644
index 000000000..468060361
--- /dev/null
+++ b/libint2.pc.in
@@ -0,0 +1,10 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: libint2
+Description: a library for the evaluation of molecular integrals of many-body operators over Gaussian functions
+Version: @PACKAGE_VERSION@
+Libs: -L${libdir} -lint2
+Cflags: -I${includedir} -I${includedir}/libint2 
diff --git a/src/lib/MakeVars.in b/src/lib/MakeVars.in
index 16fd3d65d..0f0dd2b86 100644
--- a/src/lib/MakeVars.in
+++ b/src/lib/MakeVars.in
@@ -84,6 +84,7 @@ exec_prefix=@exec_prefix@
 bindir=@bindir@
 libdir=@libdir@
 includedir=@libintincludedir@
+pkgconfigdir=@PKGCONFIGDIR@
 
 RANLIB = @RANLIB@
 COMPRESS = gzip