old_contents: {
  	'repo_type' : 'git',
  	'url' : 'https://github.com/KhronosGroup/Vulkan-Loader.git',
  	'configure_options' : 
  		'.. {cmake_prefix_options} -DVULKAN_HEADERS_INSTALL_DIR={target_prefix} '
  		'-DCMAKE_BUILD_TYPE=Release '
  		'-DBUILD_TESTS=OFF '
  		'-DCMAKE_INSTALL_PREFIX={target_prefix} -DCMAKE_ASM_COMPILER={mingw_binpath}/{cross_prefix_bare}as '
  		'-DBUILD_TESTS=OFF -DENABLE_STATIC_LOADER=ON '
  		# '-DCMAKE_C_FLAGS=\'-D_WIN32_WINNT=0x0600 -D__STDC_FORMAT_MACROS\' '
  		# '-DCMAKE_CXX_FLAGS=\'-D__USE_MINGW_ANSI_STDIO -D__STDC_FORMAT_MACROS -fpermissive -D_WIN32_WINNT=0x0600\''
  	, #-D_WIN32_WINNT=0x0600 -D__STDC_FORMAT_MACROS" -D__USE_MINGW_ANSI_STDIO -D__STDC_FORMAT_MACROS -fpermissive -D_WIN32_WINNT=0x0600"
  	'conf_system' : 'cmake',
  	'source_subfolder' : '_build',
  	'patches' : [
  		('vulkan/0001-fix-cross-compiling.patch', '-p1', '..'),
  	],
  	'run_post_install' : [
  		'sed -i.bak \'s/Libs: -L${{libdir}} -lvulkan/Libs: -L${{libdir}} -lvulkan -lshlwapi -lcfgmgr32/\' "{target_prefix}/lib/pkgconfig/vulkan.pc"',
  		'sed -i.bak \'s/Libs.private:  -lshlwapi/Libs.private: -lvulkan -lshlwapi/\' "{target_prefix}/lib/pkgconfig/vulkan.pc"',
  	],
  	'depends_on' : [ 'vulkan-d3dheaders', 'vulkan_headers' ],
  	'_info' : { 'version' : None, 'fancy_name' : 'Vulkan Loader' },
  }
new_contents: {
  	'repo_type' : 'git',
  	'url' : 'https://github.com/KhronosGroup/Vulkan-Loader.git',
  	'configure_options' : 
  		'.. {cmake_prefix_options} -DVULKAN_HEADERS_INSTALL_DIR={target_prefix} '
  		'-DCMAKE_BUILD_TYPE=Release '
  		'-DBUILD_TESTS=OFF '
  		'-DCMAKE_INSTALL_PREFIX={target_prefix} -DCMAKE_ASM_COMPILER={mingw_binpath}/{cross_prefix_bare}as '
  		'-DBUILD_TESTS=OFF -DENABLE_STATIC_LOADER=ON '
  	,
  	'conf_system' : 'cmake',
  	'source_subfolder' : '_build',
  	'patches' : [
  		('vulkan/0001-fix-cross-compiling.patch', '-p1', '..'),
  	],
  	'depends_on' : [ 'vulkan-d3dheaders', 'vulkan_headers' ],
  	'_info' : { 'version' : None, 'fancy_name' : 'Vulkan Loader' },
  }
subject: remove obsolete workaround