Package alsa was not found in the pkg-config search path.
Perhaps you should add the directory containing `alsa.pc'
to the PKG_CONFIG_PATH environment variable
Package 'alsa', required by 'virtual:world', not found
../../../scripts/Makefile.include:4: *** O=build_tools/ does not exist.  Stop.
Makefile:65: warning: overriding recipe for target 'emit_tests'
../lib.mk:130: warning: ignoring old recipe for target 'emit_tests'
error: ../include/uapi/linux/pse.h: missing "WITH Linux-syscall-note" for SPDX-License-Identifier
make[3]: *** [../scripts/Makefile.headersinst:63: usr/include/linux/pse.h] Error 1
make[2]: *** [/home/nipa/net-next/Makefile:1295: headers] Error 2
make[1]: *** [/home/nipa/net-next/Makefile:240: __sub-make] Error 2
make: *** [Makefile:240: __sub-make] Error 2
Warning: Kernel ABI header at 'tools/include/uapi/linux/if_xdp.h' differs from latest version at 'include/uapi/linux/if_xdp.h'
error: ../include/uapi/linux/pse.h: missing "WITH Linux-syscall-note" for SPDX-License-Identifier
make[3]: *** [../scripts/Makefile.headersinst:63: usr/include/linux/pse.h] Error 1
make[2]: *** [/home/nipa/net-next/Makefile:1295: headers] Error 2
make[1]: *** [/home/nipa/net-next/Makefile:240: __sub-make] Error 2
make: *** [Makefile:240: __sub-make] Error 2