fix curl build script by creating directory
fix install dir merging
consolidate readme deps [skip ci]
fix gdal configure against geos on linux
webp support on windows
add patch needed to compile gdal on windows
copy over libxml2 headers
expose static libxml2 as dependent lib
gdal head is now gdal 1.11
define LIBXML_STATIC to ensure apps linking to mapnik and libxml2 work
libxml2 needs to link to w2_32 in order to be link statically
target the active platform on osx/ios dynamically
support the more intuative term 'header_only' for building boost without any libraries
improve boost header approach to use bcp to dynamically install just the required headers
boost bcp: loop over all directories passed
work around odd conflict between 10.8 and 10.9 sdk where libdnsinfo.dylib would be not found at link time
ensure git pull works by ditching live patches
don't build docs, examples and tests for glfw
create a shallow clone
don't always redownload glfw