[HACKERS] building Postgresql-9.0.10 with patching MERGE keyword

Hello! I am a Junior Postgresql hacker.i was start from building and using it.please Help me to fixing this error. I am trying to build with Patching MERGE statement or keyword in Postgresql 9.0.10 on ubuntu OS and am getting a couple errors related to bootstrap libraries. These are occuring

[HACKERS] building Postgresql-9.0.10

Hello! I am a Junior Postgresql hacker.i was start from building and using it.please Help me to fixing this error. I am trying to build with Patching MERGE statement or keyword in Postgresql 9.0.10 on ubuntu OS and am getting a couple errors related to bootstrap libraries. These are occuring