[llvm-bugs] [Bug 34000] New: [feature-request] multi-lib build of libc++

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Jul 31 06:54:26 PDT 2017


            Bug ID: 34000
           Summary: [feature-request] multi-lib build of libc++
           Product: libc++
           Version: unspecified
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: All Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: gonzalobg88 at gmail.com
                CC: llvm-bugs at lists.llvm.org, mclow.lists at gmail.com

When building llvm + clang + ... + libc++ +/- libc++abi "in tree" it would be
great to be able to automatically generate multiple builds of libc++:

- debug / release
- asan+ubsan / msan
- ...

and have clang use the appropriate build by default so that, e.g., compiling
with clang -fsanitize=memory automatically picks the libc++ sanitized with
msan, or when compiling with -fsanitize=address automatically picks the libc++
sanitized with asan.

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