From d9cfde3ff8ceef8bf437c7814f865426a8fc22e1 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Wed, 05 Jul 2023 13:22:17 -0400
Subject: mknod: Factor out error printing

---
(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index ad067cc..28e5d94 100644
--- a/configure.ac
+++ b/configure.ac
@@ -43,11 +43,12 @@ test -d "${srcdir}/.git" || CFLAGS="${save_CFLAGS}"
 funcs_missing=false
 AC_CHECK_FUNCS(
 	[\
-		calloc execve fclose fdopen feof ferror fopen fprintf fputs \
-		fread free fscanf fseek fwrite getgrgid getpwuid localtime \
-		lstat malloc memcmp memcpy memset mkdir mkfifo open printf \
-		puts readlink rename scandir sleep snprintf sprintf stat \
-		strchr strcmp strcpy strftime strlen strncpy strtol unlink
+		calloc execve fclose fdopen feof ferror fopen fprintf fputc \
+		fputs fread free fscanf fseek fwrite getgrgid getpwuid \
+		localtime lstat malloc memcmp memcpy memset mkdir mkfifo open \
+		printf puts readlink rename scandir sleep snprintf sprintf \
+		stat strchr strcmp strcpy strftime strlen strncpy strtol \
+		unlink vfprintf
 	],
 	[],
 	[funcs_missing=true])
@@ -62,6 +63,9 @@ fi
 AC_CHECK_DECLS([[major(dev_t)], [minor(dev_t)]], [],
 	[AC_MSG_ERROR([required macros are missing])],
 	[#include <sys/sysmacros.h>])
+AC_CHECK_DECLS([[va_start(ap, last)], [va_end(ap)]], [],
+	[AC_MSG_ERROR([required macros are missing])],
+	[#include <stdarg.h>])
 
 PKG_PROG_PKG_CONFIG()
 PKG_CHECK_MODULES([ZLIB], [zlib])
--
cgit v0.9.1