SL-17634 Replace deprecated carbon Gestalt calls

4 files changed, 105 insertions, 24 deletions

diff --git a/indra/llcommon/CMakeLists.txt b/indra/llcommon/CMakeLists.txt
index ca8b5e946f..fd8fbf70c8 100644
--- a/indra/llcommon/CMakeLists.txt
+++ b/indra/llcommon/CMakeLists.txt
@@ -265,6 +265,11 @@ set(llcommon_HEADER_FILES
     workqueue.h
     StackWalker.h
     )
+    
+if (DARWIN)
+  list(APPEND llcommon_HEADER_FILES llsys_objc.h)
+  list(APPEND llcommon_SOURCE_FILES llsys_objc.mm)
+endif (DARWIN)
 
 set_source_files_properties(${llcommon_HEADER_FILES}
                             PROPERTIES HEADER_FILE_ONLY TRUE)
@@ -312,12 +317,6 @@ target_link_libraries(
     ${TRACY_LIBRARY}
     )
 
-if (DARWIN)
-  include(CMakeFindFrameworks)
-  find_library(CARBON_LIBRARY Carbon)
-  target_link_libraries(llcommon ${CARBON_LIBRARY})
-endif (DARWIN)
-
 add_dependencies(llcommon stage_third_party_libs)
 
 if (LL_TESTS)
diff --git a/indra/llcommon/llsys.cpp b/indra/llcommon/llsys.cpp
index f717b2cf34..6d0483903b 100644
--- a/indra/llcommon/llsys.cpp
+++ b/indra/llcommon/llsys.cpp
@@ -64,6 +64,7 @@ using namespace llsd;
 #   include <psapi.h>               // GetPerformanceInfo() et al.
 #	include <VersionHelpers.h>
 #elif LL_DARWIN
+#   include "llsys_objc.h"
 #	include <errno.h>
 #	include <sys/sysctl.h>
 #	include <sys/utsname.h>
@@ -74,12 +75,6 @@ using namespace llsd;
 #	include <mach/mach_host.h>
 #	include <mach/task.h>
 #	include <mach/task_info.h>
-
-// disable warnings about Gestalt calls being deprecated
-// until Apple get's on the ball and provides an alternative
-//
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-
 #elif LL_LINUX
 #	include <errno.h>
 #	include <sys/utsname.h>
@@ -278,12 +273,9 @@ LLOSInfo::LLOSInfo() :
 	{
 		const char * DARWIN_PRODUCT_NAME = "Mac OS X";
 		
-		SInt32 major_version, minor_version, bugfix_version;
-		OSErr r1 = Gestalt(gestaltSystemVersionMajor, &major_version);
-		OSErr r2 = Gestalt(gestaltSystemVersionMinor, &minor_version);
-		OSErr r3 = Gestalt(gestaltSystemVersionBugFix, &bugfix_version);
+		S32 major_version, minor_version, bugfix_version = 0;
 
-		if((r1 == noErr) && (r2 == noErr) && (r3 == noErr))
+		if (LLGetDarwinOSInfo(major_version, minor_version, bugfix_version))
 		{
 			mMajorVer = major_version;
 			mMinorVer = minor_version;
@@ -1315,10 +1307,3 @@ BOOL gzip_file(const std::string& srcfile, const std::string& dstfile)
 	if (dst != NULL) gzclose(dst);
 	return retval;
 }
-
-#if LL_DARWIN
-// disable warnings about Gestalt calls being deprecated
-// until Apple get's on the ball and provides an alternative
-//
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-#endif
diff --git a/indra/llcommon/llsys_objc.h b/indra/llcommon/llsys_objc.h
new file mode 100644
index 0000000000..35599a574b
--- /dev/null
+++ b/indra/llcommon/llsys_objc.h
@@ -0,0 +1,33 @@
+/**
+ * @file llsys_objc.h
+ * @brief Header file for llsys_objc.mm
+ *
+ * $LicenseInfo:firstyear=2022&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2022, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLSYS_OBJC_H
+#define LL_LLSYS_OBJC_H
+
+bool LLGetDarwinOSInfo(int &major, int &minor, int &patch);
+
+
+#endif // LL_LLSYS_OBJC_H
diff --git a/indra/llcommon/llsys_objc.mm b/indra/llcommon/llsys_objc.mm
new file mode 100644
index 0000000000..cdb1e320d5
--- /dev/null
+++ b/indra/llcommon/llsys_objc.mm
@@ -0,0 +1,64 @@
+/**
+ * @file llsys_objc.mm
+ * @brief obj-c implementation of the system information functions
+ *
+ * $LicenseInfo:firstyear=2022&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2022, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#import "llsys_objc.h"
+#import <AppKit/AppKit.h>
+
+static int intAtStringIndex(NSArray *array, int index)
+{
+    return [(NSString *)[array objectAtIndex:index] integerValue];
+}
+
+bool LLGetDarwinOSInfo(int &major, int &minor, int &patch)
+{
+    if (NSAppKitVersionNumber > NSAppKitVersionNumber10_8)
+    {
+        NSOperatingSystemVersion osVersion = [[NSProcessInfo processInfo] operatingSystemVersion];
+        major = osVersion.majorVersion;
+        minor = osVersion.minorVersion;
+        patch = osVersion.patchVersion;
+    }
+    else
+    {
+        NSString* versionString = [[NSDictionary dictionaryWithContentsOfFile:
+                                    @"/System/Library/CoreServices/SystemVersion.plist"] objectForKey:@"ProductVersion"];
+        NSArray* versions = [versionString componentsSeparatedByString:@"."];
+        NSUInteger count = [versions count];
+        if (count > 0)
+        {
+            major = intAtStringIndex(versions, 0);
+            if (count > 1)
+            {
+                minor = intAtStringIndex(versions, 1);
+                if (count > 2)
+                {
+                    patch = intAtStringIndex(versions, 2);
+                }
+            }
+        }
+    }
+    return true;
+}