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Diffstat (limited to 'gnulib-m4/errno_h.m4')
-rw-r--r--gnulib-m4/errno_h.m420
1 files changed, 7 insertions, 13 deletions
diff --git a/gnulib-m4/errno_h.m4 b/gnulib-m4/errno_h.m4
index 9dbdedd5..4be9780a 100644
--- a/gnulib-m4/errno_h.m4
+++ b/gnulib-m4/errno_h.m4
@@ -1,9 +1,11 @@
-# errno_h.m4 serial 12
-dnl Copyright (C) 2004, 2006, 2008-2018 Free Software Foundation, Inc.
+# errno_h.m4 serial 14
+dnl Copyright (C) 2004, 2006, 2008-2022 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.
+AC_PREREQ([2.61])
+
AC_DEFUN_ONCE([gl_HEADER_ERRNO_H],
[
AC_REQUIRE([AC_PROG_CC])
@@ -66,13 +68,11 @@ booboo
[gl_cv_header_errno_h_complete=yes])
])
if test $gl_cv_header_errno_h_complete = yes; then
- ERRNO_H=''
+ GL_GENERATE_ERRNO_H=false
else
gl_NEXT_HEADERS([errno.h])
- ERRNO_H='errno.h'
+ GL_GENERATE_ERRNO_H=true
fi
- AC_SUBST([ERRNO_H])
- AM_CONDITIONAL([GL_GENERATE_ERRNO_H], [test -n "$ERRNO_H"])
gl_REPLACE_ERRNO_VALUE([EMULTIHOP])
gl_REPLACE_ERRNO_VALUE([ENOLINK])
gl_REPLACE_ERRNO_VALUE([EOVERFLOW])
@@ -86,7 +86,7 @@ booboo
# Set the variables EOVERFLOW_HIDDEN and EOVERFLOW_VALUE.
AC_DEFUN([gl_REPLACE_ERRNO_VALUE],
[
- if test -n "$ERRNO_H"; then
+ if $GL_GENERATE_ERRNO_H; then
AC_CACHE_CHECK([for ]$1[ value], [gl_cv_header_errno_h_]$1, [
AC_EGREP_CPP([yes],[
#include <errno.h>
@@ -129,9 +129,3 @@ yes
AC_SUBST($1[_VALUE])
fi
])
-
-dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in.
-dnl Remove this when we can assume autoconf >= 2.61.
-m4_ifdef([AC_COMPUTE_INT], [], [
- AC_DEFUN([AC_COMPUTE_INT], [_AC_COMPUTE_INT([$2],[$1],[$3],[$4])])
-])