From 5ee63d9b7d7c49aaa0a4c22c56a113f0b5d59378 Mon Sep 17 00:00:00 2001
From: Jiwon Na <jwntree@hotmail.com>
Date: Fri, 2 Jan 2026 09:36:56 +0900
Subject: [PATCH] illumos build fix

---
 cutils.h       | 4 ++++
 qjs.c          | 2 ++
 quickjs-libc.c | 5 +++++
 quickjs.c      | 7 ++++++-
 4 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/cutils.h b/cutils.h
index 094a8f1..eb650b9 100644
--- a/cutils.h
+++ b/cutils.h
@@ -29,6 +29,10 @@
 #include <string.h>
 #include <inttypes.h>
 
+#if defined(__sun)
+#undef __maybe_unused
+#endif
+
 #define likely(x)       __builtin_expect(!!(x), 1)
 #define unlikely(x)     __builtin_expect(!!(x), 0)
 #define force_inline inline __attribute__((always_inline))
diff --git a/qjs.c b/qjs.c
index 0224f7c..9486965 100644
--- a/qjs.c
+++ b/qjs.c
@@ -143,6 +143,8 @@ static size_t js_trace_malloc_usable_size(const void *ptr)
     return 0;
 #elif defined(__linux__) || defined(__GLIBC__)
     return malloc_usable_size((void *)ptr);
+#elif defined(__sun)
+    return 0;
 #else
     /* change this to `return 0;` if compilation fails */
     return malloc_usable_size((void *)ptr);
diff --git a/quickjs-libc.c b/quickjs-libc.c
index c24b6d5..d097689 100644
--- a/quickjs-libc.c
+++ b/quickjs-libc.c
@@ -62,6 +62,11 @@ typedef sig_t sighandler_t;
 #endif
 #endif /* __APPLE__ */
 
+#ifdef __sun
+typedef void (*sighandler_t)(int);
+extern char **environ;
+#endif
+
 #endif
 
 /* enable the os.Worker API. It relies on POSIX threads */
diff --git a/quickjs.c b/quickjs.c
index e30d393..f8e21da 100644
--- a/quickjs.c
+++ b/quickjs.c
@@ -39,6 +39,9 @@
 #elif defined(__FreeBSD__)
 #include <malloc_np.h>
 #endif
+#if defined(__sun)
+#include <alloca.h>
+#endif
 
 #include "cutils.h"
 #include "list.h"
@@ -1725,6 +1728,8 @@ static size_t js_def_malloc_usable_size(const void *ptr)
     return 0;
 #elif defined(__linux__) || defined(__GLIBC__)
     return malloc_usable_size((void *)ptr);
+#elif defined(__sun)
+    return 0;
 #else
     /* change this to `return 0;` if compilation fails */
     return malloc_usable_size((void *)ptr);
@@ -46788,7 +46793,7 @@ static int getTimezoneOffset(int64_t time)
         }
     }
     ti = time;
-#if defined(_WIN32)
+#if defined(_WIN32) || defined(__sun)
     {
         struct tm *tm;
         time_t gm_ti, loc_ti;