Annotation of wikisrc/tutorials/clang.mdwn, revision 1.1
1.1 ! gdt 1: This page explainsse how to use clang with the NetBSD base system.
! 2: See also [how to use clang to build packages](tutorials/pkgsrc/clang/).
! 4: \todo: review this entire page.
! 6: Since NetBSD 6, the base system has included clang, but it is not
! 7: built or used by default.
! 9: \todo Explain if there are or aren't plans to enable it by default, or
! 10: to switch, keeping in mind that compiler support varies by architecture.
! 12: There are three steps that can be taken with clang; each depends on the previous.
! 14: # Building clang
! 16: To build clang as part of the build, set
! 18: MKLLVM=yes
! 20: in mk.conf before running "build.sh release".
! 22: This will build clang, which will appear in /usr/bin/clang and also
! 23: build libraries that clang needs. NetBSD itself will not be built
! 24: with clang, but you will be able to use clang to build programs.
! 26: # Using clang to build the NetBSD base system
! 28: In addition, set
! 30: HAVE_LLVM=yes
! 32: to cause clang to be used instead of gcc.
! 34: \todo It is not 100% clear if this stage works, vs having to set
! 35: MKGCC=no also.
! 37: # Not building gcc
! 39: On a system that builds clang and uses it to build the base system,
! 40: you can refrain from building gcc, by additionally adding:
! 42: MKGCC=no
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