fix build for generic arch targets

libvpx.spec

@@ -1,11 +1,13 @@
 Name:			libvpx
 Summary:		VP8 Video Codec SDK
 Version:		0.9.1
-Release:		1%{?dist}
+Release:		2%{?dist}
 License:		BSD
 Group:			System Environment/Libraries
 Source0:		http://webm.googlecode.com/files/%{name}-%{version}.tar.bz2
 Source1:		libvpx.pc
+# Thanks to debian.
+Source2:		libvpx.ver
 Patch0:			libvpx-0.9.0-no-explicit-dep-on-static-lib.patch
 URL:			http://www.webmproject.org/tools/vp8-sdk/
 %ifarch %{ix86} x86_64
@@ -51,7 +53,19 @@ and decoder.
 %endif
 %endif
 
-./configure --target=%{vpxtarget} --enable-pic --disable-install-srcs --enable-shared --prefix=%{_prefix} --libdir=%{_libdir}
+# The configure script will reject the shared flag on the generic target
+# This means we need to fall back to the manual creation we did before. :P
+%if "%{vpxtarget}" == "generic-gnu"
+%global generic_target 1
+%else
+%global	generic_target 0
+%endif
+
+./configure --target=%{vpxtarget} --enable-pic --disable-install-srcs \
+%if ! %{generic_target}
+--enable-shared \
+%endif
+--prefix=%{_prefix} --libdir=%{_libdir}
 
 # Hack our optflags in.
 sed -i "s|-O3|%{optflags}|g" libs-%{vpxtarget}.mk
@@ -60,6 +74,16 @@ sed -i "s|-O3|%{optflags}|g" docs-%{vpxtarget}.mk
 
 make %{?_smp_mflags} verbose=true target=libs
 
+%if %{generic_target}
+# Manual shared library creation
+mkdir tmp
+cd tmp
+ar x ../libvpx_g.a
+cd ..
+gcc -fPIC -shared -pthread -lm -Wl,--no-undefined -Wl,-soname,libvpx.so.0 -Wl,--version-script,%{SOURCE2} -Wl,-z,noexecstack -o libvpx.so.%{version} tmp/*.o
+rm -rf tmp
+%endif
+
 # Temporarily dance the static libs out of the way
 mv libvpx.a libNOTvpx.a
 mv libvpx_g.a libNOTvpx_g.a
@@ -88,6 +112,15 @@ sed -i "s|@INCLUDEDIR@|%{_includedir}|g" %{buildroot}%{_libdir}/pkgconfig/libvpx
 # Simpler to label the dir as %doc.
 mv %{buildroot}/usr/docs doc/
 
+%if %{generic_target}
+install -p libvpx.so.%{version} %{buildroot}%{_libdir}
+pushd %{buildroot}%{_libdir}
+ln -sf libvpx.so.%{version} libvpx.so
+ln -sf libvpx.so.%{version} libvpx.so.0
+ln -sf libvpx.so.%{version} libvpx.so.0.9
+popd
+%endif
+
 pushd %{buildroot}
 # Stuff we don't need.
 rm -rf usr/build/ usr/md5sums.txt usr/lib*/*.a usr/CHANGELOG usr/README
@@ -124,6 +157,9 @@ rm -rf %{buildroot}
 %{_bindir}/*
 
 %changelog
+* Thu Jun 24 2010 Tom "spot" Callaway <tcallawa@redhat.com> 0.9.1-2
+- build shared library the old way for generic arches
+
 * Thu Jun 24 2010 Tom "spot" Callaway <tcallawa@redhat.com> 0.9.1-1
 - update to 0.9.1