diff --git a/src/SPC/builder/Extension.php b/src/SPC/builder/Extension.php
index d25f1f12..aea8ba8c 100644
--- a/src/SPC/builder/Extension.php
+++ b/src/SPC/builder/Extension.php
@@ -9,6 +9,7 @@ use SPC\exception\RuntimeException;
 use SPC\exception\WrongUsageException;
 use SPC\store\Config;
 use SPC\store\FileSystem;
+use SPC\store\SourcePatcher;
 use SPC\util\SPCConfigUtil;
 
 class Extension
@@ -189,7 +190,7 @@ class Extension
     }
 
     /**
-     * Patch code before shared extension ./configure
+     * Patch code before shared extension phpize
      * If you need to patch some code, overwrite this
      * return true if you patched something, false if not
      */
@@ -198,6 +199,16 @@ class Extension
         return false;
     }
 
+    /**
+     * Patch code before shared extension ./configure
+     * If you need to patch some code, overwrite this
+     * return true if you patched something, false if not
+     */
+    public function patchBeforeSharedConfigure(): bool
+    {
+        return false;
+    }
+
     /**
      * Run shared extension check when cli is enabled
      * @throws RuntimeException
@@ -316,7 +327,14 @@ class Extension
         // prepare configure args
         shell()->cd($this->source_dir)
             ->setEnv($env)
-            ->execWithEnv(BUILD_BIN_PATH . '/phpize')
+            ->execWithEnv(BUILD_BIN_PATH . '/phpize');
+
+        if ($this->patchBeforeSharedConfigure()) {
+            logger()->info('ext [ . ' . $this->getName() . '] patching before shared configure');
+        }
+        
+        shell()->cd($this->source_dir)
+            ->setEnv($env)
             ->execWithEnv('./configure ' . $this->getUnixConfigureArg(true) . ' --with-php-config=' . BUILD_BIN_PATH . '/php-config --enable-shared --disable-static')
             ->execWithEnv('make clean')
             ->execWithEnv('make -j' . $this->builder->concurrency)
diff --git a/src/SPC/builder/extension/mbregex.php b/src/SPC/builder/extension/mbregex.php
index 4bf28544..492c4fbb 100644
--- a/src/SPC/builder/extension/mbregex.php
+++ b/src/SPC/builder/extension/mbregex.php
@@ -21,6 +21,11 @@ class mbregex extends Extension
         return '';
     }
 
+    public function buildUnixShared(): void
+    {
+        print('mbregex is already built as part of mbstring, skipping build' . PHP_EOL);
+    }
+
     /**
      * mbregex is not an extension, we need to overwrite the default check.
      */
diff --git a/src/SPC/builder/extension/mbstring.php b/src/SPC/builder/extension/mbstring.php
index 5fcb88bd..aa86ee53 100644
--- a/src/SPC/builder/extension/mbstring.php
+++ b/src/SPC/builder/extension/mbstring.php
@@ -20,4 +20,15 @@ class mbstring extends Extension
         }
         return $arg;
     }
+
+    public function getUnixConfigureArg(bool $shared = false): string
+    {
+        $arg = '--enable-mbstring';
+        if ($this->builder->getExt('mbregex') === null) {
+            $arg .= ' --disable-mbregex';
+        } else {
+            $arg .= ' --enable-mbregex';
+        }
+        return $arg;
+    }
 }
diff --git a/src/SPC/builder/extension/readline.php b/src/SPC/builder/extension/readline.php
index 120fa42f..71c82a8b 100644
--- a/src/SPC/builder/extension/readline.php
+++ b/src/SPC/builder/extension/readline.php
@@ -29,4 +29,22 @@ class readline extends Extension
     {
         return '--without-libedit --with-readline=' . BUILD_ROOT_PATH;
     }
+
+    public function patchBeforeSharedConfigure(): bool
+    {
+        FileSystem::replaceFileStr($this->source_dir . '/configure',
+            'test "$PHP_LIBEDIT" = "no" && PHP_LIBEDIT=yes',
+            ''
+        );
+        return true;
+    }
+
+    public function buildUnixShared(): void
+    {
+        if (!file_exists(BUILD_BIN_PATH . '/php') || !file_exists(BUILD_INCLUDE_PATH . '/php/sapi/cli/cli.h')) {
+            logger()->warning('CLI mode is not enabled, skipping readline build');
+            return;
+        }
+        parent::buildUnixShared();
+    }
 }