diff --git a/config/env.ini b/config/env.ini
index c1d4dbc4a..a16bc160f 100644
--- a/config/env.ini
+++ b/config/env.ini
@@ -75,8 +75,10 @@ SPC_MICRO_PATCHES=static_extensions_win32,cli_checks,disable_huge_page,vcruntime
 ; - musl-native: used for alpine linux, can build `musl` and `musl -dynamic` target.
 ; - gnu-native: used for general linux distros, can build gnu target for the installed glibc version only.
 
-; LEGACY option to specify the target
+; option to specify the target, superceded by SPC_TARGET if set
 SPC_LIBC=musl
+; uncomment to link libc dynamically on musl
+; SPC_MUSL_DYNAMIC=true
 
 ; Recommended: specify your target here. Zig toolchain will be used.
 ; examples:
diff --git a/src/SPC/builder/Extension.php b/src/SPC/builder/Extension.php
index 925a4c8ef..f5a5d9561 100644
--- a/src/SPC/builder/Extension.php
+++ b/src/SPC/builder/Extension.php
@@ -542,7 +542,7 @@ public function getLibraryDependencies(bool $recursive = false): array
      */
     protected function getSharedExtensionEnv(): array
     {
-        $config = (new SPCConfigUtil($this->builder))->getExtensionConfig($this);
+        $config = (new SPCConfigUtil($this->builder, ['no_php' => true]))->getExtensionConfig($this);
         [$staticLibs, $sharedLibs] = $this->splitLibsIntoStaticAndShared($config['libs']);
         $preStatic = PHP_OS_FAMILY === 'Darwin' ? '' : '-Wl,--start-group ';
         $postStatic = PHP_OS_FAMILY === 'Darwin' ? '' : ' -Wl,--end-group ';
diff --git a/src/SPC/builder/extension/excimer.php b/src/SPC/builder/extension/excimer.php
deleted file mode 100644
index 03dd8f228..000000000
--- a/src/SPC/builder/extension/excimer.php
+++ /dev/null
@@ -1,19 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace SPC\builder\extension;
-
-use SPC\builder\Extension;
-use SPC\util\CustomExt;
-
-#[CustomExt('excimer')]
-class excimer extends Extension
-{
-    public function getSharedExtensionEnv(): array
-    {
-        $env = parent::getSharedExtensionEnv();
-        $env['LIBS'] = clean_spaces(str_replace('-lphp', '', $env['LIBS']));
-        return $env;
-    }
-}
diff --git a/src/SPC/builder/extension/spx.php b/src/SPC/builder/extension/spx.php
index a5a8ad71a..e77232934 100644
--- a/src/SPC/builder/extension/spx.php
+++ b/src/SPC/builder/extension/spx.php
@@ -45,4 +45,11 @@ public function patchBeforeBuildconf(): bool
         FileSystem::copy($this->source_dir . '/src/php_spx.h', $this->source_dir . '/php_spx.h');
         return true;
     }
+
+    public function getSharedExtensionEnv(): array
+    {
+        $env = parent::getSharedExtensionEnv();
+        $env['SPX_SHARED_LIBADD'] = $env['LIBS'];
+        return $env;
+    }
 }
diff --git a/src/SPC/builder/unix/library/gettext.php b/src/SPC/builder/unix/library/gettext.php
index 332e25c96..d383faf77 100644
--- a/src/SPC/builder/unix/library/gettext.php
+++ b/src/SPC/builder/unix/library/gettext.php
@@ -16,7 +16,11 @@ protected function build(): void
             ->addConfigureArgs(
                 '--disable-java',
                 '--disable-c++',
-                '--with-included-gettext',
+                '--disable-d',
+                '--disable-rpath',
+                '--disable-modula2',
+                '--disable-libasprintf',
+                '--with-included-libintl',
                 "--with-iconv-prefix={$this->getBuildRootPath()}",
             );
 
diff --git a/src/SPC/util/SPCTarget.php b/src/SPC/util/SPCTarget.php
index b8f5367ae..037c6d8c3 100644
--- a/src/SPC/util/SPCTarget.php
+++ b/src/SPC/util/SPCTarget.php
@@ -27,10 +27,10 @@ public static function isStatic(): bool
             return true;
         }
         if (ToolchainManager::getToolchainClass() === GccNativeToolchain::class) {
-            return PHP_OS_FAMILY === 'Linux' && SystemUtil::isMuslDist();
+            return PHP_OS_FAMILY === 'Linux' && SystemUtil::isMuslDist() && !getenv('SPC_MUSL_DYNAMIC');
         }
         if (ToolchainManager::getToolchainClass() === ClangNativeToolchain::class) {
-            return PHP_OS_FAMILY === 'Linux' && SystemUtil::isMuslDist();
+            return PHP_OS_FAMILY === 'Linux' && SystemUtil::isMuslDist() && !getenv('SPC_MUSL_DYNAMIC');
         }
         // if SPC_LIBC is set, it means the target is static, remove it when 3.0 is released
         if ($target = getenv('SPC_TARGET')) {