Solution to --without-quicktime problem

Hi there!

On gentoo we also had the problem that --without-quicktime disabled all checks 
that based on pkgconfig (like test for libpng).

http://bugs.gentoo.org/show_bug.cgi?id=144551

The problem is this part of code (containing first check via pkgconfig):

have_libquicktime=false
if test x$with_libquicktime != xno ; then
  PKG_CHECK_MODULES(LIBQUICKTIME, [libquicktime >= 0.9.4],
...
fi

In here PKG_CHECK_MODULES is wrapped by if (and thus disabled in our bug 
case).
Unluckily this also expands to the check for pkg-config itself (as that has 
not been in configure before).

That means: --without-quicktime also disables complete pkgconfig.

Solution [Attached PATCH]:
Adding check for pkgconfig outside all ifs.


Greetings
Matthias

-- 
Matthias Schwarzott (zzam)

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diff -ru mjpegtools-1.8.0-orig/configure.ac mjpegtools-1.8.0/configure.ac
--- mjpegtools-1.8.0-orig/configure.ac	2006-08-20 20:39:40.719351212 +0200
+++ mjpegtools-1.8.0/configure.ac	2006-08-20 20:20:43.652651808 +0200
@@ -233,6 +233,8 @@
       have_jpeg=true ],,)
 fi
 
+PKG_PROG_PKG_CONFIG
+
 have_libquicktime=false
 if test x$with_libquicktime != xno ; then
   PKG_CHECK_MODULES(LIBQUICKTIME, [libquicktime >= 0.9.4],