[LLVMbugs] [Bug 15877] New: configure complains that cxxabi.h is present but cannot be compiled

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Tue Apr 30 18:32:05 PDT 2013


            Bug ID: 15877
           Summary: configure complains that cxxabi.h is present but
                    cannot be compiled
           Product: Build scripts
           Version: trunk
          Hardware: Macintosh
                OS: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: autoconf
          Assignee: unassignedbugs at nondot.org
          Reporter: bugzilla at jwwalker.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

I was in a build directory that's a sibling of the llvm repository directory,
and typed

  ../llvm/configure --prefix=/opt --enable-optimized

Among lots of output was this:

checking cxxabi.h usability... no
checking cxxabi.h presence... yes
configure: WARNING: cxxabi.h: present but cannot be compiled
configure: WARNING: cxxabi.h:     check for missing prerequisite headers?
configure: WARNING: cxxabi.h: see the Autoconf documentation
configure: WARNING: cxxabi.h:     section "Present But Cannot Be Compiled"
configure: WARNING: cxxabi.h: proceeding with the preprocessor's result
configure: WARNING: cxxabi.h: in the future, the compiler will take precedence
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to http://llvm.org/bugs/ ##
configure: WARNING:     ## ------------------------------------ ##
checking for cxxabi.h... yes

I don't know what it's about, but it says to report it.

llvm svn revision 180835.  Mac OS X 10.7.5.  Xcode 4.6.2.

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