1 files changed, 32 insertions, 0 deletions

diff --git a/gl/m4/strncasecmp.m4 b/gl/m4/strncasecmp.m4
new file mode 100644
index 00000000..c7c8b240
--- /dev/null
+++ b/gl/m4/strncasecmp.m4
@@ -0,0 +1,32 @@
+# strncasecmp.m4
+# serial 2
+dnl Copyright (C) 2002-2025 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
+
+AC_DEFUN([gl_FUNC_STRNCASECMP],
+[
+  AC_REQUIRE([gl_STRINGS_H_DEFAULTS])
+  AC_CHECK_FUNCS([strncasecmp])
+  if test $ac_cv_func_strncasecmp = yes; then
+    dnl Assume that strncasecmp and strcasecmp share the same bugs.
+    gl_STRCASECMP_WORKS
+    case "$gl_cv_func_strcasecmp_works" in
+      *yes) ;;
+      *) REPLACE_STRNCASECMP=1 ;;
+    esac
+  else
+    HAVE_STRNCASECMP=0
+  fi
+  AC_CHECK_DECLS([strncasecmp])
+  if test $ac_cv_have_decl_strncasecmp = no; then
+    HAVE_DECL_STRNCASECMP=0
+  fi
+])
+
+# Prerequisites of lib/strncasecmp.c.
+AC_DEFUN([gl_PREREQ_STRNCASECMP], [
+  :
+])