Add pkgconfig file to devel subpackage

lmdb.pc.in

@@ -0,0 +1,11 @@
+prefix=@PREFIX@
+exec_prefix=@EXEC_PREFIX@
+libdir=@LIBDIR@
+includedir=@INCLUDEDIR@
+
+Name: liblmdb
+Description: Lightning Memory-mapped key-value database
+URL: http://symas.com/mdb/
+Version: @PACKAGE_VERSION@
+Libs: -L${libdir} -llmdb
+Cflags: -I${includedir}

lmdb.spec

@@ -3,12 +3,13 @@
 
 Name:           lmdb
 Version:        0.9.20
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Memory-mapped key-value database
 
 License:        OpenLDAP
 URL:            http://symas.com/mdb/
-Source:         https://github.com/LMDB/lmdb/archive/LMDB_%{version}.tar.gz
+Source0:        https://github.com/LMDB/lmdb/archive/LMDB_%{version}.tar.gz
+Source1:        lmdb.pc.in
 # Patch description in the corresponding file
 Patch0: lmdb-make.patch
 Patch1: lmdb-s390-check.patch
@@ -70,6 +71,14 @@ mkdir -m 0755 -p %{buildroot}{%{_libdir},%{_mandir}/man1}
 make DESTDIR=%{buildroot} prefix=%{_prefix} libdir=%{_libdir} mandir=%{_mandir} install
 popd
 
+# Install pkgconfig file
+sed -e 's:@PREFIX@:%{_prefix}:g' \
+    -e 's:@EXEC_PREFIX@:%{_exec_prefix}:g' \
+    -e 's:@LIBDIR@:%{_libdir}:g' \
+    -e 's:@INCLUDEDIR@:%{_includedir}:g' \
+    -e 's:@PACKAGE_VERSION@:%{version}:g' \
+    %{SOURCE1} >lmdb.pc
+install -Dpm 0644 -t %{buildroot}%{_libdir}/pkgconfig lmdb.pc
 
 %check
 %if 0%{?rhel} == 6 && %{_arch} == "ppc64"
@@ -100,6 +109,7 @@ popd
 %files devel
 %{_includedir}/*
 %{_libdir}/*.so
+%{_libdir}/pkgconfig/*.pc
 
 %files doc
 %doc %{archive_path}/html
@@ -109,6 +119,9 @@ popd
 
 
 %changelog
+* Mon Mar 20 2017 Jan Stanek <jstanek@redhat.com> - 0.9.20-3
+- Add pkgconfig file to devel subpackage
+
 * Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.9.20-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild