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build: ignore deprecated-declaration warnings in objc++ macOS code

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These come from GUI code, and haven't/aren't being fixed, see discussion
in https://github.com/bitcoin-core/gui/issues/112. For now, just ignore
them entirely. Note that this only applies to ObjCXX code, so will not
hide any relevant warnings coming from C or CXX code (and they would be
unlikely in any case).

Alternative to #29362, which disables all compiler warnings, for macOS
builds in the CI.

Relevant output:
```bash
qt/macnotificationhandler.mm:27:9: warning: 'NSUserNotification' is deprecated: first deprecated in macOS 11.0 - All NSUserNotifications API should be replaced with UserNotifications.frameworks API [-Wdeprecated-declarations]
        NSUserNotification* userNotification = [[NSUserNotification alloc] init];
        ^
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSUserNotification.h:24:12: note: 'NSUserNotification' has been explicitly marked deprecated here
@interface NSUserNotification : NSObject <NSCopying> {
           ^
qt/macnotificationhandler.mm:27:50: warning: 'NSUserNotification' is deprecated: first deprecated in macOS 11.0 - All NSUserNotifications API should be replaced with UserNotifications.frameworks API [-Wdeprecated-declarations]
        NSUserNotification* userNotification = [[NSUserNotification alloc] init];
                                                 ^
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSUserNotification.h:24:12: note: 'NSUserNotification' has been explicitly marked deprecated here
@interface NSUserNotification : NSObject <NSCopying> {
           ^
qt/macnotificationhandler.mm:30:11: warning: 'NSUserNotificationCenter' is deprecated: first deprecated in macOS 11.0 - All NSUserNotifications API should be replaced with UserNotifications.frameworks API [-Wdeprecated-declarations]
        [[NSUserNotificationCenter defaultUserNotificationCenter] deliverNotification: userNotification];
          ^
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSUserNotification.h:118:12: note: 'NSUserNotificationCenter' has been explicitly marked deprecated here
@interface NSUserNotificationCenter : NSObject {
           ^
3 warnings generated.
```
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fanquake 2024-03-06 13:11:20 +00:00
parent bd8f0354ba
commit 8b7630cb1f
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@ -780,7 +780,10 @@ case $host in
AX_CHECK_LINK_FLAG([-Wl,-headerpad_max_install_names], [CORE_LDFLAGS="$CORE_LDFLAGS -Wl,-headerpad_max_install_names"], [], [$LDFLAG_WERROR])
CORE_CPPFLAGS="$CORE_CPPFLAGS -DMAC_OSX -DOBJC_OLD_DISPATCH_PROTOTYPES=0"
OBJCXXFLAGS="$CXXFLAGS"
dnl ignore deprecated-declarations warnings coming from objcxx code
dnl "'NSUserNotificationCenter' is deprecated: first deprecated in macOS 11.0".
OBJCXXFLAGS="$CXXFLAGS -Wno-deprecated-declarations"
;;
*android*)
dnl make sure android stays above linux for hosts like *linux-android*