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-rw-r--r--acinclude.m44
1 files changed, 4 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4
index 4b6a43b3b..c28d6460a 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -34,8 +34,12 @@ dnl but the IEEE-754 specific flags must be set here.
dnl -GMP's linkage.
dnl -Libtool stuff.
dnl -Handling of special arguments of MPFR's configure.
+dnl
dnl FIXME: With autoconf 2.68, MPFR_CONFIGS generates warnings
dnl "warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body"
+dnl This is due to: AC_RUN_IFELSE(AC_LANG_PROGRAM(...), ...)
+dnl Possibly an autoconf bug:
+dnl http://article.gmane.org/gmane.comp.sysutils.autoconf.bugs/7884
AC_DEFUN([MPFR_CONFIGS],
[
AC_REQUIRE([AC_OBJEXT])