Fix support for static linking
Fix support for static linking

Make sure that autotools projects are configured with PIC
so that they can be linked statically.

This fixes the following linker issues:
dist/linux_x86_64/lib/libkate.a(lib_libkate_la-kate.o): relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a shared object; recompile with -fPIC
dist/linux_x86_64/lib/libopus.a(opus_multistream_encoder.o): relocation R_X86_64_32S against `.rodata' can not be used when making a shared object; recompile with -fPIC
dist/linux_x86_64/lib/libsoup-2.4.a(libsoup_2_4_la-soup-auth.o): relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a shared object; recompile with -fPIC
dist/linux_x86_64/lib/libwavpack.a(libwavpack_la-common_utils.o): relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a shared object; recompile with -fPIC
dist/linux_x86_64/lib/libtag.a(id3v2framefactory.cpp.o): relocation R_X86_64_32S against `_ZTVN6TagLib5ID3v212FrameFactoryE' can not be used when making a shared object; recompile with -fPIC
dist/linux_x86_64/lib/libspeex.a(speex.o): relocation R_X86_64_32 against `.rodata.str1.8' can not be used when making a shared object; recompile with -fPIC
dist/linux_x86_64/lib/libvorbisenc.a(vorbisenc.o): relocation R_X86_64_32 against `.rodata' can not be used when making a shared object; recompile with -fPIC
dist/linux_x86_64/lib/libtheoradec.a(decinfo.o): relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a shared object; recompile with -fPIC
dist/linux_x86_64/lib/libtiff.a(tif_close.o): relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a shared object; recompile with -fPIC
dist/linux_x86_64/lib/libjpeg.a(jcapimin.o): relocation R_X86_64_32S against `jpeg_natural_order' can not be used when making a shared object; recompile with -fPIC
dist/linux_x86_64/lib/libcairo-gobject.a(libcairo_gobject_la-cairo-gobject-structs.o): relocation R_X86_64_32 against `.bss' can not be used when making a shared object; recompile with -fPIC
dist/linux_x86_64/lib/libharfbuzz.a(libharfbuzz_la-hb-buffer.o): relocation R_X86_64_32 against `.rodata' can not be used when making a shared object; recompile with -fPIC
dist/linux_x86_64/lib/libfontconfig.a(fccfg.o): relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a shared object; recompile with -fPIC
dist/linux_x86_64/lib/libexpat.a(xmlparse.o): relocation R_X86_64_32S against `.rodata' can not be used when making a shared object; recompile with -fPIC
dist/linux_x86_64/lib/libfreetype.a(ftinit.o): relocation R_X86_64_32 against `tt_driver_class' can not be used when making a shared object; recompile with -fPIC
dist/linux_x86_64/lib/libpng16.a(png.o): relocation R_X86_64_32 against `.rodata.str1.8' can not be used when making a shared object; recompile with -fPIC
dist/linux_x86_64/lib/libpixman-1.a(pixman.o): relocation R_X86_64_32S against `.rodata' can not be used when making a shared object; recompile with -fPIC
dist/linux_x86_64/lib/libxml2.a(entities.o): relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a shared object; recompile with -fPIC
dist/linux_x86_64/lib/libgnutls.a(record.o): relocation R_X86_64_32 against `.rodata' can not be used when making a shared object; recompile with -fPIC
dist/linux_x86_64/lib/libgmp.a(pprime_p.o): relocation R_X86_64_32 against `.rodata.str1.8' can not be used when making a shared object; recompile with -fPIC
dist/linux_x86_64/lib/libtasn1.a(coding.o): relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a shared object; recompile with -fPIC

GStreamer/cerbero,atsushieno/cerbero,fluendo/cerbero,nirbheek/cerbero,atsushieno/cerbero,fluendo/cerbero,fluendo/cerbero,atsushieno/cerbero,fluendo/cerbero,atsushieno/cerbero,nirbheek/cerbero,nirbheek/cerbero,GStreamer/cerbero,nirbheek/cerbero,fluendo/cerbero,GStreamer/cerbero,GStreamer/cerbero,atsushieno/cerbero,GStreamer/cerbero