diff --git a/recipes/devel/m4.yaml b/recipes/devel/m4.yaml
index 72427324..3f54c836 100644
--- a/recipes/devel/m4.yaml
+++ b/recipes/devel/m4.yaml
@@ -1,4 +1,4 @@
-inherit: [autotools]
+inherit: [autotools, patch]
 
 metaEnvironment:
     PKG_VERSION: "1.4.20"
@@ -9,6 +9,10 @@ checkoutSCM:
     digestSHA256: "e236ea3a1ccf5f6c270b1c4bb60726f371fa49459a8eaaebc90b216b328daf2b"
     stripComponents: 1
 
+checkoutDeterministic: True
+checkoutScript: |
+    patchApplySeries $<@m4/*.patch@>
+
 buildScript: |
     autotoolsBuild $1
 
diff --git a/recipes/devel/m4/0001-enable-l4re.patch b/recipes/devel/m4/0001-enable-l4re.patch
new file mode 100644
index 00000000..48c3a33a
--- /dev/null
+++ b/recipes/devel/m4/0001-enable-l4re.patch
@@ -0,0 +1,21 @@
+diff -ur a/lib/getlocalename_l-unsafe.c b/lib/getlocalename_l-unsafe.c
+--- a/lib/getlocalename_l-unsafe.c	2025-05-10 14:41:50.000000000 +0200
++++ b/lib/getlocalename_l-unsafe.c	2025-10-07 20:39:27.485874173 +0200
+@@ -34,7 +34,7 @@
+ #endif
+ #include "setlocale_null.h"
+ 
+-#if (__GLIBC__ >= 2 && !defined __UCLIBC__) || (defined __linux__ && HAVE_LANGINFO_H) || defined __CYGWIN__
++#if (__GLIBC__ >= 2 && !defined __UCLIBC__) || ((defined(__linux__) || defined(__l4re__)) && HAVE_LANGINFO_H) || defined __CYGWIN__
+ # include <langinfo.h>
+ #endif
+ #if defined __sun
+@@ -484,7 +484,7 @@
+            nl_langinfo_l (_NL_LOCALE_NAME (category), locale).  */
+         name = locale->__names[category];
+       return (struct string_with_storage) { name, STORAGE_OBJECT };
+-#elif defined __linux__ && HAVE_LANGINFO_H && defined NL_LOCALE_NAME
++#elif (defined(__linux__) || defined(__l4re__)) && HAVE_LANGINFO_H && defined NL_LOCALE_NAME
+       /* musl libc */
+       const char *name = nl_langinfo_l (NL_LOCALE_NAME (category), locale);
+       return (struct string_with_storage) { name, STORAGE_OBJECT };