-dnl $Id: aclocal.m4,v 1.71 2001/04/20 10:56:12 michaelw Exp $
+dnl $Id: aclocal.m4,v 1.73 2001/05/27 05:00:08 sof Exp $
dnl
dnl Extra autoconf macros for the Glasgow fptools
dnl
#include <unistd.h>
#endif
#include <regex.h>
-],[ struct re_pattern_buffer patbuf; re_compile_pattern("",0,&patbuf); ],
+],[ struct re_pattern_buffer patbuf;
+ re_compile_pattern("",0,&patbuf);
+ re_search_2 (&patbuf, "", 0, "",0, 0,0,0,0); ],
fptools_cv_have_regex=yes, fptools_cv_have_regex=no)])
if test "$fptools_cv_have_regex" = yes; then
HaveRegex=YES
dnl set to a value which is suitable for use in a Makefile (for example,
dnl in make's LOADLIBES macro) provided you AC_SUBST it first.
dnl
-dnl @version 0.01 $Id: aclocal.m4,v 1.71 2001/04/20 10:56:12 michaelw Exp $
+dnl @version 0.01 $Id: aclocal.m4,v 1.73 2001/05/27 05:00:08 sof Exp $
dnl @author Matthew D. Langston <langston@SLAC.Stanford.EDU>
# FPTOOLS_CHECK_LIBM - check for math library
dnl the version number increases, so you may have to adjust the above
dnl URL accordingly.
dnl
-dnl @version 0.01 $Id: aclocal.m4,v 1.71 2001/04/20 10:56:12 michaelw Exp $
+dnl @version 0.01 $Id: aclocal.m4,v 1.73 2001/05/27 05:00:08 sof Exp $
dnl @author Matthew D. Langston <langston@SLAC.Stanford.EDU>
AC_DEFUN(FPTOOLS_HAVE_OPENGL,
])
# LocalWords: fi
+
+dnl
+dnl acspecific.m4's defn of AC_PROG_LEX is a bit too permissive, as it
+dnl defaults to 'lex' if 'flex' isn't found (without checking whether
+dnl 'lex' is actually present along the user's PATH).
+dnl
+AC_DEFUN(AC_PROG_LEX_STRICT,
+[AC_CHECK_PROG(LEX, flex, flex)
+if test -z "$LEX"
+then
+ AC_CHECK_PROG(LEX,lex,lex)
+ test -z "$LEX" && AC_MSG_ERROR(['lex' or 'flex' is required to compile GHC.])
+fi
+])