macOS 26 build changes (#4239)

* Fix for VLAs now emitting warnings on Xcode 26, and AGL being removed from the SDK.

Note: there was no warning or notice provided for AGL's removal.

* Whitespace.

1 files changed, 4 insertions, 1 deletions

diff --git a/indra/newview/llfloateruipreview.cpp b/indra/newview/llfloateruipreview.cpp
index 990a299c50..c3bc24c6b9 100644
--- a/indra/newview/llfloateruipreview.cpp
+++ b/indra/newview/llfloateruipreview.cpp
@@ -1042,7 +1042,9 @@ void LLFloaterUIPreview::getExecutablePath(const std::vector<std::string>& filen
         {
             CFStringRef executable_cfstr = (CFStringRef)CFDictionaryGetValue(bundleInfoDict, CFSTR("CFBundleExecutable"));  // get the name of the actual executable (e.g. TextEdit or firefox-bin)
             int max_file_length = 256;                                                                                      // (max file name length is 255 in OSX)
-            char executable_buf[max_file_length];
+
+            // Xcode 26: VLAs are a clang extension.  Just create the buffer and delete it after.
+            char *executable_buf = new char [max_file_length];
             if(CFStringGetCString(executable_cfstr, executable_buf, max_file_length, kCFStringEncodingMacRoman))            // convert CFStringRef to char*
             {
                 executable_path += std::string("/Contents/MacOS/") + std::string(executable_buf);                           // append path to executable directory and then executable name to exec path
@@ -1052,6 +1054,7 @@ void LLFloaterUIPreview::getExecutablePath(const std::vector<std::string>& filen
                 std::string warning = "Unable to get CString from CFString for executable path";
                 popupAndPrintWarning(warning);
             }
+            delete [] executable_buf;
         }
         else
         {