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Re: [PATCH] configure: use AC_SEARCH_LIBS instead of AC_CHECK_LIB

From
BCBrandon Casey <brandon.casey.ctr@nrlssc.navy.mil>
Date
Jul 21, 2009, 15:12 UTC
Message-ID
<ROnxPc_FlcxpQoCOZcOfoalyiRYK1R7qCAowbfiQsNLLI8qrrtJEUw@cipher.nrlssc.navy.mil>
In-Reply-To
<6WnEB0at_uuAu9kicWjrHLsBbTv58WtCNOANkKzk-SqTgqjuWyh8WA@cipher.nrlssc.navy.mil>
Brandon Casey wrote:
Show 5 quoted lines
> A question about AC_SEARCH_LIBS:
> 
> With AC_SEARCH_LIBS, which of [action-if-found] or [action-if-not-found]
> is executed if the function is found in the standard c library i.e. "calling
> `AC_LINK_IFELSE([AC_LANG_CALL([], [function])])' first with no libraries"?

btw, the "`AC_LINK_IFELSE(..." line is from the autoconf documentation. It is the first thing that AC_SEARCH_LIBS does. It tries to link without any of the specified libraries first, then it iterates trying to link using each specified library, stopping when it is successful.

If you didn't recognize that that line was from the documentation, it may be confusing.

-brandon
Previous: Brandon CaseyNext: Paolo Bonzini
Message 17 of 32 in “[test failure] t4114 binary file becomes symlink”
  1. Nicolas SebrechtJul 18, 2009
  2. Jeff KingJul 18, 2009
  3. [test failure] Re: t4114 binary file becomes symlinkNicolas Sebrecht, Jul 18, 2009
  4. Jeff KingJul 18, 2009
  5. Junio C HamanoJul 18, 2009
  6. [test failure] Re: t4114 binary file becomes symlinkNicolas Sebrecht, Jul 18, 2009
  7. Linus TorvaldsJul 18, 2009
  8. Johannes SixtJul 18, 2009
  9. [test failure] Re: t4114 binary file becomes symlinkNicolas Sebrecht, Jul 18, 2009
  10. [test failure] Re: t4114 binary file becomes symlinkNicolas Sebrecht, Jul 18, 2009
  11. ./configure misdetects SNPRINTF_RETURNS_BOGUS (was: [test failure] t4114 binary file becomes symlink)Jakub Narebski, Jul 19, 2009
  12. configure: use AC_SEARCH_LIBS instead of AC_CHECK_LIBNicolas Sebrecht, Jul 19, 2009
  13. Re: configure: use AC_SEARCH_LIBS instead of AC_CHECK_LIBNicolas Sebrecht, Jul 19, 2009
  14. Junio C HamanoJul 19, 2009
  15. Eric BlakeJul 19, 2009
  16. Brandon CaseyJul 21, 2009
  17. Brandon CaseyJul 21, 2009
  18. Paolo BonziniJul 21, 2009
  19. Brandon CaseyJul 21, 2009
  20. configure.ac: rework/fix the NEEDS_RESOLV and NEEDS_LIBGEN testsBrandon Casey, Jul 21, 2009
  21. Junio C HamanoJul 21, 2009
  22. Brandon CaseyJul 22, 2009
  23. config.mak.in: continue fixing NEEDS_LIBGEN autoconfigure featureBrandon Casey, Jul 22, 2009
  24. Junio C HamanoJul 22, 2009
  25. Brandon CaseyJul 23, 2009
  26. Johannes SixtJul 18, 2009
  27. Jeff KingJul 18, 2009
  28. [test failure] Re: t4114 binary file becomes symlinkNicolas Sebrecht, Jul 18, 2009
  29. Johannes SixtJul 19, 2009
  30. Jeff KingJul 20, 2009
  31. Johannes SixtJul 20, 2009
  32. Linus TorvaldsJul 20, 2009

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