diff --git a/src/Package/Target/php/frankenphp.php b/src/Package/Target/php/frankenphp.php
index 424efad4..50c4af45 100644
--- a/src/Package/Target/php/frankenphp.php
+++ b/src/Package/Target/php/frankenphp.php
@@ -73,9 +73,7 @@ trait frankenphp
             $staticFlags = '';
         }
 
-        $resolved = $installer->getAvailableResolvedPackageNames();
-        $resolved = array_values(array_filter($resolved, fn ($pkg_name) => $pkg_name !== $package->getName()));
-        $config = new SPCConfigUtil()->config($resolved);
+        $config = new SPCConfigUtil()->config(['frankenphp']);
         $cflags = "{$package->getLibExtraCFlags()} {$config['cflags']} " . getenv('SPC_CMD_VAR_PHP_MAKE_EXTRA_CFLAGS') . " -DFRANKENPHP_VERSION={$frankenphp_version}";
         $libs = $config['libs'];
 
diff --git a/src/Package/Target/php/unix.php b/src/Package/Target/php/unix.php
index 805813ea..d6324209 100644
--- a/src/Package/Target/php/unix.php
+++ b/src/Package/Target/php/unix.php
@@ -543,8 +543,8 @@ trait unix
             $package->runStage([$this, 'configureForUnix']);
             $package->runStage([$this, 'makeForUnix']);
         }
-
-        $package->runStage([$this, 'unixBuildSharedExt']);
+        // shared extensions build in php's postInstall (php.php) so they run AFTER
+        // frankenphp's main-loop build — frankenphp links libphp only, not the .so exts.
     }
 
     /**
@@ -656,7 +656,7 @@ trait unix
         copy(ROOT_DIR . '/src/globals/common-tests/embed.c', $sample_file_path . '/embed.c');
         copy(ROOT_DIR . '/src/globals/common-tests/embed.php', $sample_file_path . '/embed.php');
 
-        $config = new SPCConfigUtil()->config($installer->getAvailableResolvedPackageNames());
+        $config = new SPCConfigUtil()->config(['php']);
         $lens = "{$config['cflags']} {$config['ldflags']} {$config['libs']}";
         if ($toolchain->isStatic()) {
             $lens .= ' -static';
@@ -743,7 +743,7 @@ trait unix
      */
     private function makeVars(PackageInstaller $installer): array
     {
-        $config = new SPCConfigUtil(['libs_only_deps' => true])->config($installer->getAvailableResolvedPackageNames());
+        $config = new SPCConfigUtil(['libs_only_deps' => true])->config(['php']);
         $static = ApplicationContext::get(ToolchainInterface::class)->isStatic() ? '-all-static' : '';
         $pie = SystemTarget::getTargetOS() === 'Linux' ? '-pie' : '';
         $lib = BUILD_LIB_PATH;
diff --git a/src/StaticPHP/Command/SPCConfigCommand.php b/src/StaticPHP/Command/SPCConfigCommand.php
index 2b1ac6bd..742662ff 100644
--- a/src/StaticPHP/Command/SPCConfigCommand.php
+++ b/src/StaticPHP/Command/SPCConfigCommand.php
@@ -44,7 +44,7 @@ class SPCConfigCommand extends BaseCommand
             'absolute_libs' => (bool) $this->getOption('absolute-libs'),
         ]);
         $packages = array_merge(array_map(fn ($x) => "ext-{$x}", $extensions), $libraries);
-        $config = $util->config($packages, $include_suggests);
+        $config = $util->config($packages);
 
         $this->output->writeln(match (true) {
             $this->getOption('includes') => $config['cflags'],
diff --git a/src/StaticPHP/Util/SPCConfigUtil.php b/src/StaticPHP/Util/SPCConfigUtil.php
index ef69f023..163a21fb 100644
--- a/src/StaticPHP/Util/SPCConfigUtil.php
+++ b/src/StaticPHP/Util/SPCConfigUtil.php
@@ -10,6 +10,7 @@ use StaticPHP\Exception\WrongUsageException;
 use StaticPHP\Package\LibraryPackage;
 use StaticPHP\Package\PackageInstaller;
 use StaticPHP\Package\PhpExtensionPackage;
+use StaticPHP\Package\TargetPackage;
 use StaticPHP\Runtime\SystemTarget;
 
 class SPCConfigUtil
@@ -34,15 +35,39 @@ class SPCConfigUtil
         $this->absolute_libs = $options['absolute_libs'] ?? false;
     }
 
-    public function config(array $packages = [], bool $include_suggests = false): array
+    public function config(array $packages = []): array
     {
-        // if have php, make php as all extension's dependency
-        $dep_override = $this->no_php
-            ? []
-            : ['php' => array_filter($packages, fn ($y) => str_starts_with($y, 'ext-'))];
-        return $this->configWithResolvedPackages(
-            DependencyResolver::resolve($packages, $dep_override, $include_suggests)
-        );
+        // Walk depends+suggests within the resolved set; reaching `php` fans out to its
+        // effective link closure (resolved static exts + virtual-target SAPIs).
+        $installer = ApplicationContext::get(PackageInstaller::class);
+        $resolved_set = array_flip(array_keys($installer->getResolvedPackages()));
+
+        $php_extras = [];
+        if (!$this->no_php) {
+            foreach ($installer->getResolvedPackages(PhpExtensionPackage::class) as $ext) {
+                if ($ext->isBuildStatic()) {
+                    $php_extras[] = $ext->getName();
+                }
+            }
+            foreach ($installer->getResolvedPackages(TargetPackage::class) as $target) {
+                if ($target->isVirtualTarget()) {
+                    $php_extras[] = $target->getName();
+                }
+            }
+        }
+
+        $sorted = [];
+        $visited = [];
+        foreach ($packages as $pkg) {
+            self::visitConfigDeps(
+                is_string($pkg) ? $pkg : $pkg->getName(),
+                $resolved_set,
+                $php_extras,
+                $visited,
+                $sorted,
+            );
+        }
+        return $this->configWithResolvedPackages($sorted);
     }
 
     /**
@@ -251,6 +276,32 @@ class SPCConfigUtil
         return implode(' ', $list);
     }
 
+    private static function visitConfigDeps(
+        string $name,
+        array $resolved_set,
+        array $php_extras,
+        array &$visited,
+        array &$sorted,
+    ): void {
+        if (isset($visited[$name]) || !isset($resolved_set[$name])) {
+            return;
+        }
+        $visited[$name] = true;
+
+        $deps = array_merge(
+            PackageConfig::get($name, 'depends', []),
+            PackageConfig::get($name, 'suggests', []),
+        );
+        if ($name === 'php') {
+            $deps = array_merge($deps, $php_extras);
+        }
+
+        foreach ($deps as $dep) {
+            self::visitConfigDeps($dep, $resolved_set, $php_extras, $visited, $sorted);
+        }
+        $sorted[] = $name;
+    }
+
     /**
      * For each input package name, gather its transitive deps within the installer's resolved
      * set (walking depends + suggests edges), plus the package itself, deduped and in build order.