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Add a comment asking where to check for YACC/Bison and Flex. 

svn path=/trunk/; revision=35262
This commit is contained in:
Guy Harris 2010-12-25 08:21:53 +00:00
parent 3be1fe366d
commit e26e9891b5
1 changed files with 19 additions and 0 deletions
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19
configure.in
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@ -38,6 +38,25 @@ AC_DEFUN([AC_PROVIDE_AC_LIBTOOL_DLOPEN], )
AC_LIBTOOL_DLOPEN
AC_PROG_LIBTOOL
AC_PATH_PROG(PERL, perl)
#
# XXX - should autogen.sh check for YACC/Bison and Flex? A user building
# from a distribution tarball shouldn't have to have YACC/Bison or Flex,
# as the tarball should contain the results of running YACC/Bison on .y
# files and running Flex on .l files, but a user building from SVN
# will have to run YACC/Bison and Flex to process those files.
#
# On the other hand, what about users who use a distribution tarball to
# do development? They *shouldn't* - that's what the SVN repository is
# for - but they might. They'd get errors if they modify a .y or .l
# file and try to do a build - but the error should tell them that they
# need to get YACC/Bison and/or Flex.
#
# Then again, getting them shouldn't be too big of a burden.
#
# XXX - is the same true of pod2man and pod2html, or are they needed
# even when building from a distribution tarball?
#
#
AC_PROG_YACC
AC_PATH_PROG(YACCDUMMY, $YACC)
if test "x$YACCDUMMY" = x