diff --git a/.gitignore b/.gitignore
new file mode 100644
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--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/4th-3.62.5-unix.tar.gz
diff --git a/4th.spec b/4th.spec
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--- /dev/null
+++ b/4th.spec
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+Name:           4th
+Version:        3.62.5
+Release:        2%{?dist}
+Summary:        A Forth compiler
+
+License:        GPLv3+
+URL:            https://thebeez.home.xs4all.nl/4tH/
+Source0:        https://downloads.sourceforge.net/project/forth-4th/%{name}-%{version}/%{name}-%{version}-unix.tar.gz
+
+BuildRequires:  gcc make
+
+%description
+4tH is basic framework for creating application specific scripting
+languages. It is a library of functions centered around a virtual
+machine, which guarantees high performance, ease of use and low overhead.
+
+
+%package devel
+Summary:        Development files for 4th
+Requires:       %{name}%{?_isa} = %{version}-%{release}
+
+%description devel
+This package includes headers for development with 4th, a Forth compiler
+library.
+
+
+%prep
+%setup -q -n %{name}-%{version}-unix
+
+
+%build
+LD_LIBRARY_PATH="$PWD/sources/" \
+make %{?_smp_mflags} -C sources \
+        STATIC= SHARED=1 \
+        CFLAGS="-DUNIX -fsigned-char %{optflags} -fPIC"
+
+
+%install
+mkdir -p \
+        %{buildroot}%{_libdir} \
+        %{buildroot}%{_includedir}/%{name} \
+        %{buildroot}%{_bindir} \
+        %{buildroot}%{_mandir} \
+        %{buildroot}%{_docdir}/%{name}
+
+LD_LIBRARY_PATH="$PWD/sources/" \
+%make_install -C sources \
+        STATIC= SHARED=1 \
+        LIBRARIES=%{buildroot}%{_libdir} \
+        INCLUDES=%{buildroot}%{_includedir} \
+        BINARIES=%{buildroot}%{_bindir} \
+        MANDIR=%{buildroot}%{_mandir} \
+        DOCDIR=%{buildroot}%{_docdir}
+cp -ap sources/include/*.h %{buildroot}%{_includedir}/%{name}/
+
+
+%files
+%{_libdir}/lib4th.so.3*
+%{_bindir}/4tsh
+%{_bindir}/pp4th
+%{_bindir}/4th
+%{_mandir}/man1/4th.1*
+%doc %{_docdir}/%{name}
+%doc README
+%license COPYING
+
+
+%files devel
+%{_libdir}/lib4th.so
+%{_includedir}/%{name}
+
+
+%changelog
+* Sun Sep 16 2018 Lubomir Rintel <lkundrak@v3.sk> - 3.62.5-2
+- Fix issues discovered in review (Robert-André Mauchin, rh#1628149):
+- Dropped Group tag
+- Fixed a typo in devel package requires
+- Corrected the dynamic library file match
+
+* Tue Sep 11 2018 Lubomir Rintel <lkundrak@v3.sk> - 3.62.5-1
+- Initial packaging
diff --git a/sources b/sources
new file mode 100644
index 0000000..37bf4f5
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (4th-3.62.5-unix.tar.gz) = 14e96829d3cbf01661f2d994ed60f708e49b6273c5e148afc69655203585dabe6489e3bfc5f2af6f571d43db45c2ba7c9f85147fdd044bca9c237d216adc88ee