From: Richael Zhuang <richael.zhuang@arm.com>
Date: Thu, 31 May 2018 08:19:55 +0000 (+0800)
Subject: Reset CMAKE_REQUIRED_FLAGS
X-Git-Tag: 1.9.9-b1~626
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=20760abd3c29f6d91db63cf042a1992ebf83dc47;p=thirdparty%2Fzlib-ng.git

Reset CMAKE_REQUIRED_FLAGS

Reset CMAKE_REQUIRED_FLAGS after each check to avoid the following
checks being influenced by the previous results.

Change-Id: I2e34f6127ef1c617f4eea363a2cb80bc49b3bcab
Signed-off-by: Richael Zhuang <richael.zhuang@arm.com>
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 863c9540c..499fa066b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -303,6 +303,8 @@ else()
         }"
         HAVE_SSE2_INTRIN
     )
+    set(CMAKE_REQUIRED_FLAGS)
+
     if(WITH_NATIVE_INSTRUCTIONS)
         set(CMAKE_REQUIRED_FLAGS "${NATIVEFLAG}")
     else()
@@ -329,6 +331,8 @@ else()
         }"
         HAVE_SSE42CRC_INTRIN
     )
+    set(CMAKE_REQUIRED_FLAGS)
+
     if(WITH_NATIVE_INSTRUCTIONS)
         set(CMAKE_REQUIRED_FLAGS "${NATIVEFLAG}")
     else()
@@ -352,6 +356,7 @@ else()
     else()
         set(HAVE_PCLMULQDQ_INTRIN NO)
     endif()
+    set(CMAKE_REQUIRED_FLAGS)
 endif()
 
 #Check whether -mfpu=neon is available