[incubator-nuttx] 01/05: libxx: Always build libcxx with -std=c++17

[gustavonihei]

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gustavonihei pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git

commit c1e5ba4602fe6a18f2443dd803b64fcfb20d7254
Author: Xiang Xiao <xiaoxi...@xiaomi.com>
AuthorDate: Sat Apr 30 03:41:01 2022 +0800

    libxx: Always build libcxx with -std=c++17
    
    since the implementation of barrier require
    the aligned new which is defined in C++ 17
    
    Signed-off-by: Xiang Xiao <xiaoxi...@xiaomi.com>
---
 libs/libxx/libcxx.defs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/libxx/libcxx.defs b/libs/libxx/libcxx.defs
index 8ce3667c8e..c79a5eb82c 100644
--- a/libs/libxx/libcxx.defs
+++ b/libs/libxx/libcxx.defs
@@ -45,7 +45,7 @@ distclean::
        $(Q) $(DIRUNLINK) $(TOPDIR)/include/libcxx
        $(call DELDIR, libcxx)
 
-CXXFLAGS += ${shell $(DEFINE) "$(CC)" _LIBCPP_BUILDING_LIBRARY}
+CXXFLAGS += -std=c++17 ${shell $(DEFINE) "$(CC)" _LIBCPP_BUILDING_LIBRARY}
 
 ifeq ($(CONFIG_LIBSUPCXX), y)
 CXXFLAGS += ${shell $(DEFINE) "$(CC)" __GLIBCXX__}