diff --git a/.gitignore b/.gitignore
index 24653c3..a29b03e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,5 @@ ngspice-rework-20.cvs20100719.tar.bz2
 /ngspice23-manual.pdf
 /ngspice-26.tar.gz
 /ngspice-26-manual.pdf
+/ngspice-27.tar.gz
+/ngspice-27-manual.pdf
diff --git a/ngspice.spec b/ngspice.spec
index 22da087..389999a 100644
--- a/ngspice.spec
+++ b/ngspice.spec
@@ -16,11 +16,11 @@
 %global devel 0
 
 Name:			ngspice
-Version:		26
+Version:		27
 %if %{?devel}
 %global snap	.20111129cvs
 %endif
-Release:		10%{?snap}%{?dist}
+Release:		1%{?snap}%{?dist}
 Summary:		A mixed level/signal circuit simulator
 
 License:		BSD
@@ -213,11 +213,17 @@ export CPPFLAGS=-DUSE_INTERP_RESULT
 	%{nil}
 
 %{__make}
+# Once install to the temp dir
+rm -rf $(pwd)/../INST-TCLSPICE
+%{__make} INSTALL="install -p" install DESTDIR=$(pwd)/../INST-TCLSPICE
 cd ..
 # ------------------------------------------------------------------------------
 
+for opt in with-ngshared without-ngshared
+do
 %configure \
 	--disable-silent-rules \
+	--${opt} \
 	--disable-xgraph \
 	--enable-adms \
 	--enable-xspice \
@@ -240,27 +246,21 @@ cd ..
 	--libdir=%{_libdir} \
 	%{nil}
 
+%{__make} clean
 %{__make}
 # %{?_smp_mflags}
+# Once install to the temp dir
+rm -rf $(pwd)/INST-NGSPICE-${opt}
+%{__make} INSTALL="install -p" install DESTDIR=$(pwd)/INST-NGSPICE-${opt}
+
+done
 
 %install
 %if %{?devel}
 cd ng-spice-rework
 %endif
 
-# Once install to the temp dir
-rm -rf $(pwd)/INST-NGSPICE
-%{__make} INSTALL="install -p" install DESTDIR=$(pwd)/INST-NGSPICE
-
-
-
 # ---- Tclspice ----------------------------------------------------------------
-# Tclspice : Make install
-cd tclspice
-# Once install to the temp dir
-rm -rf $(pwd)/INST-TCLSPICE
-%{__make} INSTALL="install -p" install DESTDIR=$(pwd)/../INST-TCLSPICE
-cd ..
 
 # Clean up unneeded / duplicate files also installed from ngspice
 pushd INST-TCLSPICE
@@ -272,9 +272,11 @@ mv .%{_bindir}/cmpp{,-tclspice}
 popd
 
 # Install
-cp -a INST-NGSPICE/* %{buildroot}
+cp -a INST-NGSPICE-without-ngshared/* %{buildroot}
 cp -a INST-TCLSPICE/* %{buildroot}
 
+# For now, remove include files
+rm -rf %{buildroot}%{_includedir}
 %{__rm} -rf \
 	%{buildroot}%{_libdir}/tclspice/libspice.la \
 	%{buildroot}%{_libdir}/tclspice/libspicelite.la \
@@ -344,6 +346,9 @@ cd tests
 %{_datadir}/%{name}/scripts/tclspinit
 
 %changelog
+* Fri Sep 22 2017 Mamoru TASAKA <mtasaka@fedoraproject.org> - 27-1
+- Update to 27
+
 * Thu Aug 03 2017 Fedora Release Engineering <releng@fedoraproject.org> - 26-10
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild
 
diff --git a/sources b/sources
index 79ec6b4..d58e0ba 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-7fd9cdd11b1bb109eb48201222de4c50  ngspice-26.tar.gz
-70f83f5741405ffd979af1c4a5b6ba79  ngspice-26-manual.pdf
+SHA512 (ngspice-27.tar.gz) = 1714f95ab5716c228a0b39395a742e8b9a823e0e6f7e08625d089541ea786df5fd7b9d2982bcec8431e27ac6ba7603ecc507f9cfcb0a6aacd53f5633f52bd2ea
+SHA512 (ngspice-27-manual.pdf) = ed87764715917e2cd832c49e911a2908dba9907f9f01c933cb7f97a92c7f9ff345bc26a2f0561dd34b2eede6874b6a67b4864abf3dcff127bd0306e778e997b5