Unify the specified C++ standard as c++17.

May fix the build of hrydgard#19952

Author: hrydgard

.ycm_extra_conf.py

@@ -50,7 +50,7 @@
 # a "-std=<something>".
 # For a C project, you would set this to something like 'c99' instead of
 # 'c++11'.
-'-std=c++11',
+'-std=c++17',
 # ...and the same thing goes for the magic -x option which specifies the
 # language that the files to be compiled are written in. This is mostly
 # relevant for c++ headers.

CMakeLists.txt

@@ -393,7 +393,7 @@ if(NOT MSVC)
 	endif()
 
 	if(ANDROID)
-		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++17")
+		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
 	endif()
 	if(CLANG)
 		add_definitions(

android/jni/Locals.mk

@@ -4,7 +4,7 @@
 LOCAL_CFLAGS := -DUSE_FFMPEG -DWITH_UPNP -DUSING_GLES2 -DMOBILE_DEVICE -O3 -fsigned-char -Wall -Wno-multichar -Wno-unused-variable -fno-strict-aliasing -D__STDC_CONSTANT_MACROS -DSPIRV_CROSS_EXCEPTIONS_TO_ASSERTIONS
 # yes, it's really CPPFLAGS for C++
 # deprecated-register is generated by Android default code and causes noise.
-LOCAL_CPPFLAGS := -fexceptions -std=gnu++17 -fno-rtti -Wno-reorder -Wno-deprecated-register -Wno-nullability-completeness
+LOCAL_CPPFLAGS := -fexceptions -std=c++17 -fno-rtti -Wno-reorder -Wno-deprecated-register -Wno-nullability-completeness
 LOCAL_C_INCLUDES := \
   $(LOCAL_PATH)/../../Common \
   $(LOCAL_PATH)/../.. \

ext/glslang-build/Android.mk

@@ -58,7 +58,7 @@ LOCAL_SRC_FILES := \
 
 
 LOCAL_CFLAGS := -O3 -fsigned-char -fno-strict-aliasing -Wall -Wno-multichar -D__STDC_CONSTANT_MACROS -DENABLE_HLSL
-LOCAL_CPPFLAGS := -fno-exceptions -std=gnu++11 -fno-rtti -Wno-reorder
+LOCAL_CPPFLAGS := -fno-exceptions -std=c++17 -fno-rtti -Wno-reorder
 # Note: LOCAL_PATH is the directory this file is in.
 LOCAL_C_INCLUDES := $(LOCAL_PATH)/.. $(LOCAL_PATH)/../libzip $(LOCAL_PATH)/../glslang ..
 

ext/miniupnp-build/Android.mk

@@ -24,7 +24,7 @@ LOCAL_SRC_FILES := \
     ../miniupnp/miniupnpc/src/upnpreplyparse.c
 
 LOCAL_CFLAGS := -O3 -fsigned-char -fno-strict-aliasing -Wall -Wno-multichar -D__STDC_CONSTANT_MACROS
-LOCAL_CPPFLAGS := -fno-exceptions -std=gnu++11 -fno-rtti -Wno-reorder
+LOCAL_CPPFLAGS := -fno-exceptions -std=c++17 -fno-rtti -Wno-reorder
 # Note: LOCAL_PATH is the directory this file is in.
 LOCAL_C_INCLUDES := $(LOCAL_PATH)/.. $(LOCAL_PATH)/../miniupnp/miniupnpc/src $(LOCAL_PATH)/../miniupnp/miniupnpc/include ..