add multi-target support to Makefile
add LINK_STYLE to package makefiles
add multi-target build rules
add mingw-w64 runtime
package dbus: MemoryBarrier patch not required for mingw-w64
package openssl: fix x86_64-static-mingw32 build
package postgresql: disable x86_64-static-mingw32 build
package qt: enable x86_64-static-mingw32 (without postgresql)
cleanup style
package libvpx: update for multiple targets
package curl: disable libssh2 for x86_64-static-mingw32
package ffmpeg: update for multiple targets
package gdal: update for multiple targets
package gtk2: use -std=c99 for test program
package hunspell: use -std=c++0x for test program
package librsvg: use -std=c99 for test program
remove failing x86_64-static-mingw32 build rules
Merge branch 'master' of github.com:mxe/mxe into multi-target
cleanup style
pthreads update: add winpthreads from mingw-w64 and rename pthreads-w32

use the same test file since they are different implementations