diff -ruwN cairo-1.18.4/meson.build source/meson.build
--- cairo-1.18.4/meson.build	2025-03-08 05:35:35.000000000 -0700
+++ source/meson.build	2025-05-04 18:07:04.594213814 -0600
@@ -440,13 +440,13 @@
 if feature_conf.get('CAIRO_HAS_XCB_SURFACE', 0) == 1
   xcbshm_dep = dependency('xcb-shm', required: get_option('xcb'))
   if xcbshm_dep.found()
-    feature_conf.set('CAIRO_HAS_XCB_SHM_FUNCTIONS', 1)
-    deps += [xcbshm_dep]
-    built_features += [{
-      'name': 'cairo-xcb-shm',
-      'description': 'XCB/SHM functions',
-      'deps': [xcbshm_dep],
-    }]
+    #feature_conf.set('CAIRO_HAS_XCB_SHM_FUNCTIONS', 1)
+    #deps += [xcbshm_dep]
+    #built_features += [{
+    #  'name': 'cairo-xcb-shm',
+    #  'description': 'XCB/SHM functions',
+    #  'deps': [xcbshm_dep],
+    #}]
   endif
 endif
 
diff -ruwN cairo-1.18.4/perf/Makefile.in source/perf/Makefile.in
--- cairo-1.18.4/perf/Makefile.in	1969-12-31 17:00:00.000000000 -0700
+++ source/perf/Makefile.in	2025-05-01 12:52:11.400963345 -0600
@@ -0,0 +1,3 @@
+all:
+
+install:
diff -ruwN cairo-1.18.4/src/cairo-ps-surface.c source/src/cairo-ps-surface.c
--- cairo-1.18.4/src/cairo-ps-surface.c	2025-03-08 05:35:35.000000000 -0700
+++ source/src/cairo-ps-surface.c	2025-05-04 18:08:43.821264417 -0600
@@ -102,7 +102,7 @@
 #define DEBUG_FALLBACK(s)
 #endif
 
-#ifndef HAVE_CTIME_R
+#if !defined(HAVE_CTIME_R) && !defined(__redox__)
 static char *ctime_r(const time_t *timep, char *buf)
 {
     (void)buf;
diff -ruwN cairo-1.18.4/test/Makefile.in source/test/Makefile.in
--- cairo-1.18.4/test/Makefile.in	1969-12-31 17:00:00.000000000 -0700
+++ source/test/Makefile.in	2025-05-01 12:52:11.400963345 -0600
@@ -0,0 +1,3 @@
+all:
+
+install: