Abstract library directory and add pre-built binaries for packages a-y

Update gc from 7.6.0 to 7.6.4

Update source_url of libsoxr package

Add pre-built binaries

Add pre-built binaries

* [libsoxr] upgrade to 0.1.3 and fix wrong libdir

fix wrong libdir on x86_64. #2240 #1981

* Update libsoxr.rb

enable shared library and some enhancement.

* [gcc7] add symbolic links, recompile packages

* Update gcc7.rb

Fix symbolic links

Fix #2121

* add unified xor protocols and recompile the related packages

* Update libxdmcp.rb

remove dependency

Update libwebp and graphicsmagick packages

Remove extraneous dependencies already included from other dependencies

* [texinfo] add pre-built binaries

* Update texinfo.rb

* [pkgconfig] Recompile binaries

Reconfigure system-include-path and system-library-path for different architectures.

* Update pkgconfig.rb

* [gcc7] minor change, add gcc4-compatible option

* Update gcc7.rb

* Update gcc7.rb

Fix installation process

* Update gcc7.rb

Update core packages a-u

Add alive package

Add pre-built binaries for packages c-s

Add cf package

Add missing dependencies in php packages

Add snort package

Add libdnet package

Add daq package

Add rack package