From 19be5263b5f848fb76b2010b01aa386ed641e4d9 Mon Sep 17 00:00:00 2001
From: henderkes <m@pyc.ac>
Date: Sun, 12 Oct 2025 22:26:06 +0200
Subject: [PATCH] add error

---
 src/SPC/builder/linux/LinuxBuilder.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/SPC/builder/linux/LinuxBuilder.php b/src/SPC/builder/linux/LinuxBuilder.php
index 1abda58d..93c28b32 100644
--- a/src/SPC/builder/linux/LinuxBuilder.php
+++ b/src/SPC/builder/linux/LinuxBuilder.php
@@ -156,6 +156,9 @@ class LinuxBuilder extends UnixBuilderBase
         }
         $shared_extensions = array_map('trim', array_filter(explode(',', $this->getOption('build-shared'))));
         if (!empty($shared_extensions)) {
+            if (SPCTarget::isStatic()) {
+                throw new WrongUsageException("You're building against musl libc statically, but you're trying to build shared extensions. Musl libc does not implement `dlopen`, so your php binary is not able to load shared extensions.");
+            }
             logger()->info('Building shared extensions ...');
             $this->buildSharedExts();
         }