avoid busting bash's stack with a too big if body in configure

[m6w6/ext-psi] / m4 / psi_decl.m4

diff --git a/m4/psi_decl.m4 b/m4/psi_decl.m4
index 69f8edb4e7b2c92905b142a132e391c9ebfb3361..c331bbecc658fa4aa8a6f3e7655323cc6e15962d 100644 (file)
--- a/m4/psi_decl.m4
+++ b/m4/psi_decl.m4
@@ -1,5 +1,5 @@
 AC_DEFUN(PSI_REDIR, [psi_symbol=ifelse([$2],[],[$1],[$2])
-       PSI_REDIRS="{\"$1\", (void(*)(void))$psi_symbol}, $PSI_REDIRS"])
+       cat >>$PSI_REDIRS <<<"  {\"$1\", (void(*)(void))$psi_symbol}, "])
 
 AC_DEFUN(PSI_FUNC_LIBC_MAIN, [
        AC_REQUIRE([AC_PROG_NM])
@@ -61,14 +61,14 @@ AC_DEFUN(PSI_DECL, [
                [m4_map_args_sep([PSI_DECL_ARG(m4_normalize(], [))], [], m4_bregexp([$2], [(\(.*\))], [\1]))])
        PSI_FUNC(PSI_VAR_NAME($1), [
                ifelse([$3], vararg, [
-                       PSI_VA_DECLS="$psi_decl_args, {0}, $PSI_VA_DECLS"
+                       cat >>$PSI_VA_DECLS <<<"        $psi_decl_args, {0}, "
                ], [
-                       PSI_DECLS="$psi_decl_args, {0}, $PSI_DECLS"
+                       cat >>$PSI_DECLS <<<"   $psi_decl_args, {0}, "
                ])
        ], [
                PSI_MACRO($1, $2, [
                        ifelse([$3], vararg, AC_MSG_ERROR(varargs macro support is not implemented),[])
-                       PSI_DECLS="$psi_decl_args, {0}, $PSI_DECLS"
+                       cat >>$PSI_DECLS <<<"   $psi_decl_args, {0}, "
                ])
        ])
 ])