[LLVMbugs] [Bug 18755] New: configure fails if GREP_OPTIONS contains --line-number (or -n)

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Thu Feb 6 08:13:21 PST 2014


            Bug ID: 18755
           Summary: configure fails if GREP_OPTIONS contains --line-number
                    (or -n)
           Product: Build scripts
           Version: trunk
          Hardware: Macintosh
                OS: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: autoconf
          Assignee: unassignedbugs at nondot.org
          Reporter: kyle at omnigroup.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

My .zshrc sets the GREP_OPTIONS environment variable to "--color
--line-number". This causes the configure script to fail with the following
error message:

checking for grep that handles long lines and -e... configure: error: no
acceptable grep could be found in
configure: error: ../../../projects/sample/configure failed for projects/sample

If the build system depends on grep behaving a certain way, it really ought to
run it in a custom environment and unset GREP_OPTIONS.

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