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authorDJ Delorie <dj@redhat.com>2001-09-27 20:27:58 +0000
committerDJ Delorie <dj@redhat.com>2001-09-27 20:27:58 +0000
commitfa9f0e33b3c0510267d7a41f2f4ee72ba452c37e (patch)
treeeab3f8364165c1526f7ea2a5fef4db2ebda18653 /libiberty/configure.in
parent0ac8d2cabf050fa3d463a79240ef8e05db368b1f (diff)
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merge from gcc
Diffstat (limited to 'libiberty/configure.in')
-rw-r--r--libiberty/configure.in25
1 files changed, 13 insertions, 12 deletions
diff --git a/libiberty/configure.in b/libiberty/configure.in
index 0f1427a..3417827 100644
--- a/libiberty/configure.in
+++ b/libiberty/configure.in
@@ -49,18 +49,19 @@ fi
AC_SUBST(MAINT)dnl
AC_SUBST(NOTMAINT)dnl
-# Do we have a single-tree copy of texinfo?
-if test -f $srcdir/../texinfo/Makefile.in; then
- MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
- AC_MSG_RESULT([Using makeinfo from the unified source tree.])
-else
- AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, )
-fi
-if test x"$MAKEINFO" = x""; then
- BUILD_INFO=
-else
- BUILD_INFO=info
-fi
+# Do we have a single-tree copy of texinfo? Even if we do, we can't
+# rely on it - libiberty is built before texinfo.
+AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, )
+BUILD_INFO=info
+case x"`$MAKEINFO --version | grep 'GNU texinfo'`" in
+ x*\ [[1-3]].* )
+ MAKEINFO="@echo $MAKEINFO is too old, 4.0 or newer required ;true"
+ BUILD_INFO=
+ AC_MSG_WARN([
+*** Makeinfo is too old. Info documentation will not be built.])
+ ;;
+esac
+AC_SUBST(MAKEINFO)
AC_SUBST(BUILD_INFO)
AC_CHECK_PROG(PERL, perl, perl, )