On 05/10/2012 10:47 PM, Christoph Hellwig wrote: > It seems like newer autoconf versions need code that is test compiled > to be enclosed by a AC_LANG_SOURCE macro. > > Signed-off-by: Christoph Hellwig <hch at lst.de> > > Index: sheepdog/configure.ac > =================================================================== > --- sheepdog.orig/configure.ac 2012-05-10 16:34:09.183990201 +0200 > +++ sheepdog/configure.ac 2012-05-10 16:34:13.471990160 +0200 > @@ -142,7 +142,7 @@ AC_CONFIG_FILES([Makefile > cc_supports_flag() { > local CFLAGS="$@" > AC_MSG_CHECKING([whether $CC supports "$@"]) > - AC_COMPILE_IFELSE([int main(){return 0;}] , > + AC_COMPILE_IFELSE([AC_LANG_SOURCE([int main(){return 0;}])] , > [RC=0; AC_MSG_RESULT([yes])], > [RC=1; AC_MSG_RESULT([no])]) > return $RC Applied, thanks, Yuan |