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New configure test for flex, which recognizes only flex but does so in all

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incarnations (I hope). When an acceptable flex version is not found, print
instructive error messages from both configure and the makefiles, so that
users can continue building anyway.
This commit is contained in:
Peter Eisentraut
2000-08-28 11:53:23 +00:00
parent 4c8d2f7f7b
commit f03fc94e7d
11 changed files with 600 additions and 712 deletions
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17
configure.in
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@ -712,22 +712,7 @@ AC_SUBST(mkinstalldirs)
AC_PROG_AWK
AC_PROG_LEX
if test "$LEX" = "flex"; then
$LEX --version 2> /dev/null | grep -s '2\.5\.3' > /dev/null 2>&1
if test $? -eq 0 ; then
AC_MSG_WARN([
***
You have flex version 2.5.3, which is broken. Get version 2.5.4 or
a different lex.
(If you are using the official distribution of PostgreSQL then you
do not need to worry about this because the lexer files are
pre-generated. However, other software using flex is likely to be
broken as well.)
***])
fi
fi
PGAC_PATH_FLEX
AC_PROG_LN_S
AC_PROG_RANLIB
AC_PATH_PROG(tar, tar)