webkitgtk-2.53.1/Source/WTF/wtf/generic/MemoryFootprintGeneric.cpp: In function 'std::size_t WTF::memoryFootprint()':
webkitgtk-2.53.1/Source/WTF/wtf/generic/MemoryFootprintGeneric.cpp:36:22: error: 'memoryStatus' was not declared in this scope
   36 |     auto memoryUse = memoryStatus();
      |                      ^~~~~~~~~~~~


--- webkitgtk-2.53.1/Source/WTF/wtf/AvailableMemory.h.old	2026-05-03 19:56:04.123804994 -0400
+++ webkitgtk-2.53.1/Source/WTF/wtf/AvailableMemory.h	2026-05-03 19:56:17.704696336 -0400
@@ -32,7 +32,7 @@
 
 WTF_EXPORT_PRIVATE size_t availableMemory();
 
-#if PLATFORM(IOS_FAMILY) || OS(LINUX) || OS(FREEBSD)
+#if PLATFORM(IOS_FAMILY) || OS(LINUX) || OS(FREEBSD) || OS(SOLARIS)
 struct MemoryStatus {
     MemoryStatus(size_t memoryFootprint, double percentAvailableMemoryInUse)
         : memoryFootprint(memoryFootprint)
--- webkitgtk-2.53.1/Source/WTF/wtf/AvailableMemory.cpp.~1~	2026-04-13 05:29:42.005056600 -0400
+++ webkitgtk-2.53.1/Source/WTF/wtf/AvailableMemory.cpp	2026-05-03 21:17:22.702514093 -0400
@@ -40,7 +40,7 @@
 #import <mach/mach.h>
 #import <math.h>
 #elif OS(UNIX)
-#if OS(FREEBSD) || OS(LINUX)
+#if OS(FREEBSD) || OS(LINUX) || OS(SOLARIS)
 #include <sys/sysinfo.h>
 #endif
 #if OS(LINUX)
@@ -49,6 +49,11 @@
 #include <sys/sysctl.h>
 #include <sys/types.h>
 #include <sys/user.h>
+#elif OS(SOLARIS)
+#include <stdio.h>
+#include <stdlib.h>
+#include <procfs.h>
+#include <fcntl.h>
 #endif
 #include <unistd.h>
 #elif OS(WINDOWS)
@@ -181,7 +186,7 @@
     return availableMemory;
 }
 
-#if PLATFORM(IOS_FAMILY) || OS(LINUX) || OS(FREEBSD)
+#if PLATFORM(IOS_FAMILY) || OS(LINUX) || OS(FREEBSD) || OS(SOLARIS)
 MemoryStatus memoryStatus()
 {
 #if PLATFORM(IOS_FAMILY)
@@ -207,6 +212,17 @@
     size_t memoryFootprint = 0;
     if (!sysctl(mib, 4, &info, &infolen, nullptr, 0))
         memoryFootprint = static_cast<size_t>(info.ki_rssize) * pageSize();
+#elif OS(SOLARIS)
+    FILE *procfile;
+    char procfilename[96];
+    psinfo_t processinfo;
+
+    size_t memoryFootprint = 0;
+    snprintf(procfilename, sizeof(procfilename), "/proc/%d/psinfo", getpid());
+    if ((procfile = fopen (procfilename, "r")) == NULL)
+        if (fread (&processinfo, sizeof (psinfo_t), 1, procfile) == sizeof(processinfo))
+            memoryFootprint = static_cast<size_t>(processinfo.pr_rssize) * 1024; 
+    fclose (procfile);
 #endif
 
     double percentInUse = static_cast<double>(memoryFootprint) / static_cast<double>(availableMemory());