Ship a pkgconfig file

OBS-URL: https://build.opensuse.org/package/show/graphics/SDL_bgi?expand=0&rev=3

SDL_bgi.spec

@@ -29,6 +29,7 @@ Source:         http://libxbgi.sourceforge.net/%name-%version.tar.gz
 Patch1:         sdlbgi-automake.diff
 BuildRequires:  automake >= 1.11
 BuildRequires:  libtool >= 2
+BuildRequires:  pkg-config
 BuildRequires:  pkgconfig(SDL_gfx)
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
@@ -50,6 +51,7 @@ SDL. It provides extensions for RGB colors and mouse support.
 Summary:        Libraries, includes and more to develop SDL_bgi applications
 Group:          Development/Libraries/X11
 Requires:       %lname = %version
+Requires:       pkgconfig(sdl)
 Provides:       SDL_bgi-devel = %version-%release
 
 %description -n libSDL_bgi-devel
@@ -72,7 +74,15 @@ make %{?_smp_mflags}
 
 %install
 %make_install
-rm -f "%buildroot/%_libdir"/*.la
+b="%buildroot"
+rm -f "$b/%_libdir"/*.la
+mkdir -p "$b/%_libdir/pkgconfig"
+cat >"$b/%_libdir/pkgconfig/SDL_bgi.pc" <<-EOF
+	Name: SDL_bgi
+	Version: %version
+	Requires: sdl
+	Libs: -lSDL_bgi
+EOF
 
 %post   -n %lname -p /sbin/ldconfig
 %postun -n %lname -p /sbin/ldconfig
@@ -87,5 +97,6 @@ rm -f "%buildroot/%_libdir"/*.la
 %doc *.txt
 %_includedir/*.h
 %_libdir/libSDL_bgi.so
+%_libdir/pkgconfig/SDL_bgi.pc
 
 %changelog