diff --git a/open_posix_testsuite/conformance/definitions/BUILD.gn b/open_posix_testsuite/conformance/definitions/BUILD.gn
index 37c36198dd3ee6f099a886f6a9656a6142ed4874..c0b17688503d46324286366476fde4a52444ebd4 100644
--- a/open_posix_testsuite/conformance/definitions/BUILD.gn
+++ b/open_posix_testsuite/conformance/definitions/BUILD.gn
@@ -18,7 +18,8 @@ open_source_suite("ActsOpenPosixBuildOnlyTest") {
   exec_command_path = "//third_party/ltp/testcases/open_posix_testsuite/"
   compiler = rebase_path("${ohos_build_compiler_dir}/bin/${ohos_build_compiler}")
   sysroot_path = rebase_path(ohos_current_sysroot)
-  prebuild_command = "make clean && make distclean && ./scripts/generate-makefiles.sh $compiler ${ohos_root_path} ${sysroot_path} && make -j -C conformance/definitions"
+  arch_cflags = string_join(" ", target_arch_cflags)
+  prebuild_command = "make clean && make distclean && ./scripts/generate-makefiles.sh $compiler ${ohos_root_path} ${sysroot_path} \"${arch_cflags}\" && make -j -C conformance/definitions"
   exec_sub_dir = "conformance/definitions"
   build_args = [
     "signal_h/logfile",
diff --git a/open_posix_testsuite/conformance/interfaces/BUILD.gn b/open_posix_testsuite/conformance/interfaces/BUILD.gn
index 89966b905136029e63c35535fa57e82d9b60d5ac..3e4ce529da6d75c3cef42f04dbabfdcb4733581b 100755
--- a/open_posix_testsuite/conformance/interfaces/BUILD.gn
+++ b/open_posix_testsuite/conformance/interfaces/BUILD.gn
@@ -18,7 +18,8 @@ open_source_suite("ActsOpenPosixTest") {
   suite_name = "acts"
   exec_command_path = "//third_party/ltp/testcases/open_posix_testsuite/"
   sysroot_path = rebase_path(ohos_current_sysroot)
-  prebuild_command = "make clean && make distclean && ./scripts/generate-makefiles.sh $compiler ${ohos_root_path} ${sysroot_path} && make -j -C conformance/interfaces"
+  arch_cflags = string_join(" ", target_arch_cflags)
+  prebuild_command = "make clean && make distclean && ./scripts/generate-makefiles.sh $compiler ${ohos_root_path} ${sysroot_path} \"${arch_cflags}\" && make -j -C conformance/interfaces"
   exec_sub_dir = "conformance/interfaces"
   deps = [
     "//test/xts/acts/open_posix_testsuite/conformance/definitions:ActsOpenPosixBuildOnlyTest",
diff --git a/open_posix_testsuite/ltp-patch/generate-makefiles.sh.patch b/open_posix_testsuite/ltp-patch/generate-makefiles.sh.patch
index 82da72a8f582cbccb0aa23ad40eeb5cd2d66d4b8..833f3455a4aa76bd9852326863fe1555bd4ef090 100644
--- a/open_posix_testsuite/ltp-patch/generate-makefiles.sh.patch
+++ b/open_posix_testsuite/ltp-patch/generate-makefiles.sh.patch
@@ -1,5 +1,5 @@
---- third_party/ltp/testcases/open_posix_testsuite/scripts/generate-makefiles.sh	2021-07-03 15:38:26.370000000 +0800
-+++ test/xts/acts/open_posix_testsuite/ltp-patch/generate-makefiles.sh	2021-07-03 15:28:41.940000000 +0800
+--- third_party/ltp/testcases/open_posix_testsuite/scripts/generate-makefiles.sh	2021-07-08 10:43:20.237148000 +0800
++++ test/xts/acts/open_posix_testsuite/ltp-patch/generate-makefiles.sh	2021-07-08 10:38:59.237148000 +0800
 @@ -107,6 +107,7 @@
  #
  
@@ -12,17 +12,18 @@
  
  # Build variables
  CFLAGS+=		-I\$(top_srcdir)/include
-+CFLAGS+=        --target=arm-liteos --sysroot=${SYSROOT_PATH}
++CFLAGS+=        --target=arm-liteos --sysroot=${SYSROOT_PATH} ${ARCH_CFLAGS}
  
  # XXX: for testfrmw.c -- needs to be moved into a library.
  CFLAGS+=		-I\$(srcdir)
-@@ -303,6 +305,9 @@
+@@ -303,6 +305,10 @@
  GLOBAL_BOILERPLATE="${TOP_SRCDIR}/.global_boilerplate"
  
  CONFIG_MK="../../include/mk/config-openposix.mk"
 +COMPILE_PATH=$1
 +BUILD_ROOT_PATH=$2
 +SYSROOT_PATH=$3
++ARCH_CFLAGS=$4
  
  rm -f "$GLOBAL_BOILERPLATE"