diff --git a/dcraw-glibc-2.38.patch b/dcraw-glibc-2.38.patch
new file mode 100644
index 0000000..7ff0c48
--- /dev/null
+++ b/dcraw-glibc-2.38.patch
@@ -0,0 +1,24 @@
+Index: dcraw/parse.c
+===================================================================
+--- dcraw.orig/parse.c
++++ dcraw/parse.c
+@@ -1213,7 +1213,7 @@ void parse_qt (int level, int end)
+   }
+ }
+ 
+-char *memmem (char *haystack, size_t haystacklen,
++static char *my_memmem (char *haystack, size_t haystacklen,
+               char *needle, size_t needlelen)
+ {
+   char *c;
+@@ -1239,8 +1239,8 @@ void identify()
+   tread (head, 1, 32, ifp);
+   tseek (ifp, 0, SEEK_END);
+   fsize = ftell(ifp);
+-  if ((cp = memmem (head, 32, "MMMM", 4)) ||
+-      (cp = memmem (head, 32, "IIII", 4))) {
++  if ((cp = my_memmem (head, 32, "MMMM", 4)) ||
++      (cp = my_memmem (head, 32, "IIII", 4))) {
+     parse_phase_one (cp-head);
+     if (cp-head) parse_tiff (0,0);
+   } else if (order == 0x4949 || order == 0x4d4d) {
diff --git a/dcraw.changes b/dcraw.changes
index 2d78d0c..b8786b3 100644
--- a/dcraw.changes
+++ b/dcraw.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Aug  7 09:53:25 UTC 2023 - Dirk Müller <dmueller@suse.com>
+
+- add dcraw-glibc-2.38.patch to fix prototype clash on memmem with glibc 2.38+
+
 -------------------------------------------------------------------
 Tue Apr 12 11:30:56 UTC 2022 - Fridrich Strba <fstrba@suse.com>
 
diff --git a/dcraw.spec b/dcraw.spec
index 036074c..a327fa1 100644
--- a/dcraw.spec
+++ b/dcraw.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package dcraw
 #
-# Copyright (c) 2022 SUSE LLC
+# Copyright (c) 2023 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -47,6 +47,7 @@ Patch3:         dcraw-CVE-2018-19655.patch
 Patch4:         dcraw-CVE-2018-5801.patch
 Patch5:         iowrappers.patch
 Patch6:         dcraw-CVE-2021-3624.patch
+Patch7:         dcraw-glibc-2.38.patch
 BuildRequires:  gettext-runtime
 BuildRequires:  libjasper-devel
 BuildRequires:  libjpeg-devel
@@ -68,6 +69,7 @@ cp -a %{SOURCE3} %{SOURCE4} %{SOURCE5} %{SOURCE6} .
 %patch4 -p1
 %patch5 -p1
 %patch6 -p1
+%patch7 -p1
 
 %build
 export CFLAGS="%{optflags} -fno-strict-aliasing -fstack-protector-all"