diff --git a/src/SPC/builder/unix/library/attr.php b/src/SPC/builder/unix/library/attr.php
index edfa89ab..d4fb4ac6 100644
--- a/src/SPC/builder/unix/library/attr.php
+++ b/src/SPC/builder/unix/library/attr.php
@@ -13,7 +13,7 @@ trait attr
      */
     protected function build(): void
     {
-        $cflags = PHP_OS_FAMILY !== 'Linux' ? '-Wimplicit-function-declaration -Wno-int-conversion' : '';
+        $cflags = PHP_OS_FAMILY !== 'Linux' ? "{$this->builder->arch_c_flags} -Wimplicit-function-declaration -Wno-int-conversion" : '';
         $ldflags = PHP_OS_FAMILY !== 'Linux' ? '' : '--static';
         shell()->cd($this->source_dir)
             ->setEnv([
diff --git a/src/SPC/builder/unix/library/libacl.php b/src/SPC/builder/unix/library/libacl.php
index 2068d8e8..7d84d9ec 100644
--- a/src/SPC/builder/unix/library/libacl.php
+++ b/src/SPC/builder/unix/library/libacl.php
@@ -29,7 +29,7 @@ trait libacl
      */
     protected function build(): void
     {
-        $cflags = PHP_OS_FAMILY !== 'Linux' ? '-Wimplicit-function-declaration -Wno-int-conversion' : '';
+        $cflags = PHP_OS_FAMILY !== 'Linux' ? "{$this->builder->arch_c_flags} -Wimplicit-function-declaration -Wno-int-conversion" : '';
         $ldflags = '--static';
         shell()->cd($this->source_dir)
             ->setEnv([