[libvirt] [PATCH] Fix GnuTLS pkg-config check

[Daniel P. Berrange]

On Tue, Dec 22, 2009 at 02:13:34AM +0100, Matthias Bolte wrote:
> The testlogic for $PKG_CONFIG was inverted, checking for an empty string
> before using PKG_CHECK_MODULES. Use -x instead of -z and add an else branch
> to the if checking for $GNUTLS_FOUND = no to add -lgcrypt in case the
> GnuTLS libraries are detected by pkg-config.
> ---
>  configure.in |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletions(-)
> 
> diff --git a/configure.in b/configure.in
> index 81548b8..a86b8ca 100644
> --- a/configure.in
> +++ b/configure.in
> @@ -555,7 +555,7 @@ dnl GnuTLS library
>  GNUTLS_CFLAGS=
>  GNUTLS_LIBS=
>  GNUTLS_FOUND=no
> -if test -z "$PKG_CONFIG" ; then
> +if test -x "$PKG_CONFIG" ; then
>    PKG_CHECK_MODULES(GNUTLS, gnutls >= $GNUTLS_REQUIRED,
>       [GNUTLS_FOUND=yes], [GNUTLS_FOUND=no])
>  fi
> @@ -572,6 +572,8 @@ if test "$GNUTLS_FOUND" = "no"; then
>    dnl it explicitly for the calls to gcry_control/check_version
>    GNUTLS_LIBS="$LIBS -lgcrypt"
>    LIBS="$old_libs"
> +else
> +  GNUTLS_LIBS="$GNUTLS_LIBS -lgcrypt"
>  fi
>  
>  AC_SUBST([GNUTLS_CFLAGS])
> -- 

ACK


Daniel
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