Quoting its NEWS file: "The m4sh macros AS_IF and AS_CASE can now be
used in shell lists. The responsibility for supplying a trailing
newline now belongs to the call site, but since most users did not add
dnl, this generally results in fewer empty lines in configure."
http://bugzilla.gnome.org/show_bug.cgi?id=591840
[$2],
[echo "$as_me: failed program was:" >&AS_MESSAGE_LOG_FD
cat conftest.$ac_ext >&AS_MESSAGE_LOG_FD
-m4_ifvaln([$3],[$3])dnl])dnl
+m4_ifvaln([$3],[$3])dnl])
ac_compile="$glib_ac_compile_save"
rm -f conftest.$ac_objext conftest.err m4_ifval([$1], [conftest.$ac_ext])[]dnl
])# GLIB_CHECK_COMPILE_WARNINGS