X-Git-Url: http://git.pk910.de/?a=blobdiff_plain;f=configure.in;h=3244abcaee63f9fec2789dbc102dcdcab2b3064a;hb=aec8ef1ce79fb9cb0b12a07a2b156f91e5a6d68f;hp=7c5e5b760578a4aa49b27b5d89c412a52ad05a80;hpb=1deac559c3a369ab25efbd3c0fd13b3f296cb070;p=ircu2.10.12-pk.git

diff --git a/configure.in b/configure.in
index 7c5e5b7..3244abc 100644
--- a/configure.in
+++ b/configure.in
@@ -137,13 +137,34 @@ AC_PROG_AWK
 AC_PROG_MAKE_SET
 AC_PROG_INSTALL
 AC_PROG_LN_S
-AC_PROG_LEX
-AC_PROG_YACC
 AC_PATH_PROGS(RMPROG, rm, /bin/rm)
 AC_PATH_PROGS(SHPROG, sh, /bin/sh)
 
+dnl (F)LEX - needed for the new conf file parser
+AC_PROG_LEX
+if test -x "$LEX"
+then 
+  AC_MSG_ERROR([Cannot find flex.])
+fi
+
+if test -z "$LEXLIB"
+then
+  AC_MSG_FAILURE([
+  Cannot find a library with yywrap() in, but flex was found.  
+  It's possible the compiler you're using ($CC) is incompatible with the 
+  installed library.])
+fi
+
 LIBS="$LEXLIB $LIBS"
 
+dnl YACC - ditto
+AC_PROG_YACC
+if test -z "$YACC"
+then
+  AC_MSG_ERROR([Cannot find yacc.])
+fi
+
+
 unet_NONBLOCKING
 unet_SIGNALS