add a check for 'ar' since the lack of it bit Jared Ingersoll

we might need to check for some other tools too that on Solaris are put
in those weird dirs...

configure.ac

@@ -17,9 +17,14 @@ AC_CONFIG_SRCDIR([lib/urldata.h])
 AM_CONFIG_HEADER(lib/config.h src/config.h tests/server/config.h )
 AM_MAINTAINER_MODE
 
+dnl SED is needed by some of the tools
 AC_PATH_PROG( SED, sed, , $PATH:/usr/bin:/usr/local/bin)
 AC_SUBST(SED)
 
+dnl AR is used by libtool, and try the odd Solaris path too
+AC_PATH_PROG( AR, ar, , $PATH:/usr/bin:/usr/local/bin:/usr/ccs/bin)
+AC_SUBST(AR)
+
 dnl figure out the libcurl version
 VERSION=`$SED -ne 's/^#define LIBCURL_VERSION "\(.*\)"/\1/p' ${srcdir}/include/curl/curl.h`
 AM_INIT_AUTOMAKE(curl,$VERSION)