From 8cbc63f7dd1d74a04c2ad662efc8762dceff044e Mon Sep 17 00:00:00 2001
From: lemon <lsof@mailbox.org>
Date: Sat, 18 Apr 2026 19:47:44 +0200
Subject: driver: -z option

---
 src/a_main.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/a_main.c b/src/a_main.c
index 1cf9e37..f9c2021 100644
--- a/src/a_main.c
+++ b/src/a_main.c
@@ -59,6 +59,15 @@ fileext(const char *path)
 
 enum inft { IFTauto, IFTc, IFTasm, IFTobj, IFTar, IFTdll };
 
+static bool
+isinteger(const char *s)
+{
+   do
+      if (!in_range(*s, '0', '9')) return 0;
+   while (*++s);
+   return 1;
+}
+
 static enum inft
 ftdetect(const char *s)
 {
@@ -67,7 +76,7 @@ ftdetect(const char *s)
    if (!strcmp(ext, "o")) return IFTobj;
    if (!strcmp(ext, "a")) return IFTar;
    if (!strcmp(ext, "s")) return IFTasm;
-   if (!strcmp(ext, "so")) return IFTdll;
+   if (!strcmp(ext, "so") || isinteger(ext)) return IFTdll;
    warn(NULL, "assuming %'s is C source file", s);
    return IFTc;
 }
@@ -252,6 +261,11 @@ optparse(char **args)
                vpush(&task.linkargs, larg);
             }
          }
+      } else if (!memcmp(arg, "z", 2)) {
+         const char *kw = *++args;
+         if (!kw) fatal(NULL, "missing argument to `-z`");
+         vpush(&task.linkargs, "-z");
+         vpush(&task.linkargs, kw);
       } else if (!strcmp(arg, "v") || !strcmp(arg, "-verbose")) {
          task.verbose = 1;
       } else if (!strcmp(arg, "c")) {
-- 
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