diff -Nru ccache-4.7.4/LICENSE.adoc ccache-4.8+really4.7.5/LICENSE.adoc
--- ccache-4.7.4/LICENSE.adoc	2022-11-21 19:53:32.000000000 +0100
+++ ccache-4.8+really4.7.5/LICENSE.adoc	2023-03-20 20:47:12.000000000 +0100
@@ -35,7 +35,7 @@
 
 ----
 Copyright (C) 2002-2007 Andrew Tridgell
-Copyright (C) 2009-2022 Joel Rosdahl and other contributors
+Copyright (C) 2009-2023 Joel Rosdahl and other contributors
 ----
 
 
diff -Nru ccache-4.7.4/cmake/CcacheVersion.cmake ccache-4.8+really4.7.5/cmake/CcacheVersion.cmake
--- ccache-4.7.4/cmake/CcacheVersion.cmake	2022-11-21 19:53:32.000000000 +0100
+++ ccache-4.8+really4.7.5/cmake/CcacheVersion.cmake	2023-03-20 20:47:12.000000000 +0100
@@ -22,7 +22,7 @@
 # CCACHE_VERSION_ORIGIN is set to "archive" in scenario 1 and "git" in scenario
 # 3.
 
-set(version_info "1527040bc2a278b9d3d51badb732ecf5841d8bb5 HEAD, tag: v4.7.4, origin/master, origin/HEAD, master")
+set(version_info "9b1033f3ae534e5aad02c10f663b589b8f28c026 HEAD, tag: v4.7.5, origin/HEAD, origin/4.7-maint, 4.7-maint")
 set(CCACHE_VERSION "unknown")
 
 if(version_info MATCHES "^([0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f])[0-9a-f]* (.*)")
diff -Nru ccache-4.7.4/debian/changelog ccache-4.8+really4.7.5/debian/changelog
--- ccache-4.7.4/debian/changelog	2022-11-21 20:40:46.000000000 +0100
+++ ccache-4.8+really4.7.5/debian/changelog	2023-03-23 08:39:58.000000000 +0100
@@ -1,3 +1,17 @@
+ccache (4.8+really4.7.5-1) unstable; urgency=medium
+
+  * New upstream release 4.7.5, fixing an issue with hanging processes by
+    a small change of a default setting compared to version 4.7.4
+    (closes: #1033191)
+
+ -- Joel Rosdahl <joel@debian.org>  Thu, 23 Mar 2023 08:39:58 +0100
+
+ccache (4.8-1) unstable; urgency=medium
+
+  * New upstream release 4.8, which fixes an issue with hanging processes
+
+ -- Joel Rosdahl <joel@debian.org>  Sun, 19 Mar 2023 10:32:54 +0100
+
 ccache (4.7.4-1) unstable; urgency=medium
 
   * New upstream release 4.7.4
diff -Nru ccache-4.7.4/doc/MANUAL.adoc ccache-4.8+really4.7.5/doc/MANUAL.adoc
--- ccache-4.7.4/doc/MANUAL.adoc	2022-11-21 19:53:32.000000000 +0100
+++ ccache-4.8+really4.7.5/doc/MANUAL.adoc	2023-03-20 20:47:12.000000000 +0100
@@ -756,7 +756,7 @@
 
     If true, ccache will cache source file hashes based on device, inode and
     timestamps. This reduces the time spent on hashing include files since the
-    result can be resused between compilations. The default is true. The feature
+    result can be resused between compilations. The default is false. The feature
     requires <<config_temporary_dir,*temporary_dir*>> to be located on a local
     filesystem of a supported type.
 +
diff -Nru ccache-4.7.4/doc/NEWS.adoc ccache-4.8+really4.7.5/doc/NEWS.adoc
--- ccache-4.7.4/doc/NEWS.adoc	2022-11-21 19:53:32.000000000 +0100
+++ ccache-4.8+really4.7.5/doc/NEWS.adoc	2023-03-20 20:47:12.000000000 +0100
@@ -1,5 +1,16 @@
 = Ccache news
 
+== Ccache 4.7.5
+
+Release date: 2023-03-20
+
+=== Bug fixes
+
+- Disabled the inode cache by default again since there have reports of ccache
+  processes hanging on futex calls related to the inode cache. +
+  [small]#_[contributed by Joel Rosdahl]_#
+
+
 == Ccache 4.7.4
 
 Release date: 2022-11-21
diff -Nru ccache-4.7.4/src/Config.hpp ccache-4.8+really4.7.5/src/Config.hpp
--- ccache-4.7.4/src/Config.hpp	2022-11-21 19:53:32.000000000 +0100
+++ ccache-4.8+really4.7.5/src/Config.hpp	2023-03-20 20:47:12.000000000 +0100
@@ -1,4 +1,4 @@
-// Copyright (C) 2019-2022 Joel Rosdahl and other contributors
+// Copyright (C) 2019-2023 Joel Rosdahl and other contributors
 //
 // See doc/AUTHORS.adoc for a complete list of contributors.
 //
@@ -181,7 +181,7 @@
   bool m_hash_dir = true;
   std::string m_ignore_headers_in_manifest;
   std::string m_ignore_options;
-  bool m_inode_cache = true;
+  bool m_inode_cache = false;
   bool m_keep_comments_cpp = false;
   double m_limit_multiple = 0.8;
   std::string m_log_file;
diff -Nru ccache-4.7.4/src/core/mainoptions.cpp ccache-4.8+really4.7.5/src/core/mainoptions.cpp
--- ccache-4.7.4/src/core/mainoptions.cpp	2022-11-21 19:53:32.000000000 +0100
+++ ccache-4.8+really4.7.5/src/core/mainoptions.cpp	2023-03-20 20:47:12.000000000 +0100
@@ -1,4 +1,4 @@
-// Copyright (C) 2021-2022 Joel Rosdahl and other contributors
+// Copyright (C) 2021-2023 Joel Rosdahl and other contributors
 //
 // See doc/AUTHORS.adoc for a complete list of contributors.
 //
@@ -70,7 +70,7 @@
 Features: {2}
 
 Copyright (C) 2002-2007 Andrew Tridgell
-Copyright (C) 2009-2022 Joel Rosdahl and other contributors
+Copyright (C) 2009-2023 Joel Rosdahl and other contributors
 
 See <https://ccache.dev/credits.html> for a complete list of contributors.
 
diff -Nru ccache-4.7.4/test/suites/inode_cache.bash ccache-4.8+really4.7.5/test/suites/inode_cache.bash
--- ccache-4.7.4/test/suites/inode_cache.bash	2022-11-21 19:53:32.000000000 +0100
+++ ccache-4.8+really4.7.5/test/suites/inode_cache.bash	2023-03-20 20:47:12.000000000 +0100
@@ -1,4 +1,6 @@
 SUITE_inode_cache_PROBE() {
+    export CCACHE_INODECACHE=1
+
     if $HOST_OS_WINDOWS; then
         echo "inode cache not available on Windows"
         return
@@ -16,6 +18,7 @@
 }
 
 SUITE_inode_cache_SETUP() {
+    export CCACHE_INODECACHE=1
     export CCACHE_DEBUG=1
     unset CCACHE_NODIRECT
     export CCACHE_TEMPDIR="${CCACHE_DIR}/tmp"  # isolate inode cache file