Index: libstroke-0.5.1/libstroke.m4
===================================================================
--- libstroke-0.5.1/libstroke.m4	{cset 02bc4a5e-e9e6-4055-a406-5007a0ac3e55}
+++ libstroke-0.5.1/libstroke.m4	{local clone}
@@ -26,7 +26,7 @@
 dnl                     if different from name
 dnl description         (optional) used to construct help string
 dnl
-AC_DEFUN(smr_ARG_WITHLIB, [
+AC_DEFUN([smr_ARG_WITHLIB], [
 
 ifelse($2, , smr_lib=[$1], smr_lib=[$2])
 
@@ -74,7 +74,7 @@
 dnl extra-flags         (optional) flags required when compiling the
 dnl                     header, typically more includes; for ex. X_CFLAGS
 dnl
-AC_DEFUN(smr_ARG_WITHINCLUDES, [
+AC_DEFUN([smr_ARG_WITHINCLUDES], [
 
 AC_ARG_WITH([$1]-includes,
 [  --with-$1-includes=DIR  set directory for $1 headers],
@@ -116,7 +116,7 @@
 dnl x-libs      (optional) extra libraries, if needed to link with lib
 dnl x-flags     (optional) extra flags, if needed to include header files
 dnl
-AC_DEFUN(smr_CHECK_LIB,
+AC_DEFUN([smr_CHECK_LIB],
 [
 ifelse($2, , smr_lib=[$1], smr_lib=[$2])
 ifelse($5, , , smr_header=[$5])