From: git <redacted>
Date: Sat, 18 Apr 2026 15:48:06 +0000 (-0400)
Subject: remove "program_invocation_short_name" dependency for Linux
X-Git-Url: https://git.datadissipation.net/?a=commitdiff_plain;h=d3f610183255459ba5fbab3e6287ed539fed2a32;p=single-header-libcext.git

remove "program_invocation_short_name" dependency for Linux
---

diff --git a/getopt_long.h b/getopt_long.h
index f26dd57..c2e1a36 100644
--- a/getopt_long.h
+++ b/getopt_long.h
@@ -52,9 +52,10 @@
  #define GETOPT_LONG_H_ 1
 
  #ifdef GETOPT_LONG_INCLUDE_LIBC
+  #include <stdarg.h>
+  #include <stdio.h>
   #include <stdlib.h>
   #include <string.h>
-  #include <stdarg.h>
  #endif
 
  #ifndef HAVE_GETOPT_LONG
@@ -145,12 +146,10 @@
   i_warnx_(const char *fmt, ...)
   {
 	  va_list args;
-
+	
+	  /* Linux "program_invocation_short_name" is a GNU extension, so we don't use it */
 	  #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
 	   #define I_GET_PROG_NAME_() getprogname()
-	  #elif defined(__linux__)
-	   #include <errno.h>
-	   #define I_GET_PROG_NAME_() program_invocation_short_name
 	  #else
 	   #define I_GET_PROG_NAME_() "warnx"
 	  #endif