Added BOTH nsl+socket lib check

Added HOST and TARGET checks
Added automatic update of the *spec.in files (Linux RPM stuff)

configure.in

@@ -2,7 +2,13 @@ dnl $Id$
 dnl Process this file with autoconf to produce a configure script.
 AC_INIT(lib/urldata.h)
 AM_CONFIG_HEADER(config.h src/config.h)
-AM_INIT_AUTOMAKE(curl,"6.5.2")
+AM_INIT_AUTOMAKE(curl,"3-test")
+
+dnl
+dnl Detect the canonical host and target build environment
+dnl
+AC_CANONICAL_HOST
+AC_CANONICAL_TARGET
 
 dnl Checks for programs.
 AC_PROG_CC
@@ -20,6 +26,27 @@ dnl **********************************************************************
 dnl nsl lib?
 AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, gethostbyname))
 
+dnl At least one system has been identified to require BOTH nsl and
+dnl socket libs to link properly.
+if test "$ac_cv_lib_nsl_gethostbyname" = "$ac_cv_func_gethostbyname"; then
+  AC_MSG_CHECKING([trying both nsl and socket libs])
+  my_ac_save_LIBS=$LIBS
+  LIBS="-lnsl -lsocket $LIBS"
+  AC_TRY_LINK( ,
+             [gethostbyname();],
+             my_ac_link_result=success,
+             my_ac_link_result=failure )
+
+  if test "$my_ac_link_result" = "failure"; then
+    AC_MSG_RESULT([no])
+    AC_MSG_ERROR([couldn't find libraries for gethostbyname()])
+    dnl restore LIBS
+    LIBS=$my_ac_save_LIBS
+  else
+    AC_MSG_RESULT([yes])
+  fi
+fi
+
 dnl resolve lib?
 AC_CHECK_FUNC(strcasecmp, , AC_CHECK_LIB(resolve, strcasecmp))
 
@@ -192,13 +219,14 @@ AC_CHECK_FUNCS( socket \
                 RAND_screen
 )
 
+
+
 AC_PATH_PROG( PERL, perl, , 
   $PATH:/usr/local/bin/perl:/usr/bin/:/usr/local/bin )
 AC_SUBST(PERL)
 
 AC_PATH_PROGS( NROFF, gnroff nroff, , 
   $PATH:/usr/bin/:/usr/local/bin )
-AC_SUBST(NROFF)
 
 AC_PROG_RANLIB
 AC_PROG_YACC
@@ -208,6 +236,8 @@ dnl   $PATH:/usr/bin/:/usr/local/bin )
 dnl AC_SUBST(RANLIB)
 
 AC_OUTPUT( Makefile \
+	   curl.spec \
+	   curl-ssl.spec \
 	   src/Makefile \
            lib/Makefile )
 dnl	   perl/checklinks.pl \