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Make absence of makeinfo a fatal error only if the info files don't exist.

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This commit is contained in:
Glenn Morris 2008-05-09 04:27:56 +00:00
parent 8275fb5af0
commit 09817afc31
1 changed files with 17 additions and 14 deletions
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31
configure.in
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@ -894,21 +894,24 @@ if test "$MAKEINFO" != "no" && \
MAKEINFO=no
fi
if test "$MAKEINFO" = "no" && test "x${with_makeinfo}" != "xno"; then
if test -e $srcdir/info/emacs; then
gotinfo="seems"
else
gotinfo="does NOT seem"
fi
AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6.
You will not be able to build the Emacs manuals.
In Emacs releases, they are prebuilt, so this might not be a problem.
Your source tree $gotinfo to have manuals in the `info' directory.
## Makeinfo is unusual. For a released Emacs, the manuals are
## pre-built, and not deleted by the normal clean rules. makeinfo is
## therefore in the category of "special tools" not normally required, which
## configure does not have to check for (eg autoconf itself).
## In a CVS checkout on the other hand, the manuals are not included.
## So makeinfo is a requirement to build from CVS, and configure
## should test for it as it does for any other build requirement.
## We use the presence of $srcdir/info/emacs to distinguish a release,
## with pre-built manuals, from a CVS checkout.
if test "$MAKEINFO" = "no"; then
if test "x${with_makeinfo}" = "xno"; then
MAKEINFO=off
elif ! test -e $srcdir/info/emacs; then
AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6, and your
source tree does not seem to have pre-built manuals in the `info' directory.
Either install a suitable version of makeinfo, or re-run configure
with the `--without-makeinfo' option.] )
with the `--without-makeinfo' option to build without the manuals.] )
fi
fi
dnl Add our options to ac_link now, after it is set up.