Hi! On Fri, 18 Jan 2013 11:37:16 +0100, I wrote: > On Thu, 17 Jan 2013 18:09:33 +0100, I wrote: > > Also known as: »I found another one«. > > (That's the last one I'm currently seeing.) Again depending on > <gnu/stubs.h> usability, we either get: > > checking for [GCC] option to accept ISO C89... none needed > > Or: > > checking for [GCC] option to accept ISO C89... unsupported > > As setting »ac_cv_prog_cc_c89=no« (which we never check for) is all what > this test does, and we're C89 always by our compiler requirements, it is > safe to simply elide it. Tested on x86_64 GNU/Linux for a ARM GNU/Linux > host.
As obvious, pushed as commit b5a5da237648077c98c10d359fe3b62b9e18f811:
* configure.in (_AC_PROG_CC_C89): New definition.
* configure: Regenerate.
diff --git configure.in configure.in
index 2c50d09..c578979 100644
--- configure.in
+++ configure.in
@@ -34,6 +34,11 @@ fi
AC_SUBST(CPP)dnl
])# AC_PROG_CPP
+# We require GCC. Override _AC_PROG_CC_C89 here to work around the Autoconf
+# issue discussed in
+# <http://sourceware.org/ml/libc-alpha/2013-01/msg00757.html>.
+AC_DEFUN([_AC_PROG_CC_C89], [[$1]])
+
dnl This is here so we can set $subdirs directly based on configure fragments.
AC_CONFIG_SUBDIRS()
Grüße,
Thomas
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