From 67bdae6fd7902ccb16835b450ba2ea61b3e0dd72 Mon Sep 17 00:00:00 2001
From: mutouyun <orz@orzz.org>
Date: Sun, 27 Feb 2022 23:50:28 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3=E4=B8=80=E4=BA=9Bbug?=
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---
 CMakeLists.txt               |  2 --
 include/libipc/detect_plat.h |  4 ++--
 test/test_detect_plat.cpp    | 12 ++++++++++++
 3 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1eb24a0..d90529d 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,8 +13,6 @@ if(NOT MSVC)
   set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O2")
 endif()
 
-add_definitions(-DLIBIPC_CPP_14 -DLIBIPC_CPP_17)
-
 if (MSVC)
   set(CompilerFlags
       CMAKE_CXX_FLAGS
diff --git a/include/libipc/detect_plat.h b/include/libipc/detect_plat.h
index 196796f..a90aef2 100644
--- a/include/libipc/detect_plat.h
+++ b/include/libipc/detect_plat.h
@@ -85,7 +85,7 @@
 #if (__cplusplus >= 201703L) && !defined(LIBIPC_CPP_17)
 # define LIBIPC_CPP_17
 #endif
-#if (__cplusplus >= 201402L) && !defined(LIBIPC_CPP_14)
+#if /*(__cplusplus >= 201402L) &&*/ !defined(LIBIPC_CPP_14)
 # define LIBIPC_CPP_14
 #endif
 
@@ -123,7 +123,7 @@
 #if !defined(LIBIPC_UNUSED)
 # if defined(LIBIPC_CC_GNUC)
 #   define LIBIPC_UNUSED __attribute__((__unused__))
-# elif defined(LIBIPC_CC_MSVC_)
+# elif defined(LIBIPC_CC_MSVC)
 #   define LIBIPC_UNUSED __pragma(warning(suppress: 4100 4101 4189))
 # else
 #   define LIBIPC_UNUSED
diff --git a/test/test_detect_plat.cpp b/test/test_detect_plat.cpp
index 001a350..99ec8a2 100644
--- a/test/test_detect_plat.cpp
+++ b/test/test_detect_plat.cpp
@@ -36,6 +36,18 @@ TEST(detect_plat, cc) {
 #endif
 }
 
+TEST(detect_plat, cpp) {
+#if defined(LIBIPC_CPP_20)
+  std::cout << "LIBIPC_CPP_20\n";
+#elif defined(LIBIPC_CPP_17)
+  std::cout << "LIBIPC_CPP_17\n";
+#elif defined(LIBIPC_CPP_14)
+  std::cout << "LIBIPC_CPP_14\n";
+#else
+  ASSERT_TRUE(false);
+#endif
+}
+
 TEST(detect_plat, byte_order) {
   auto is_endian_little = [] {
     union {