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authorRichard Maw <richard.maw@codethink.co.uk>2012-01-09 15:40:11 +0000
committerRichard Maw <richard.maw@codethink.co.uk>2012-01-09 15:40:11 +0000
commit789a9367cd08f37195e7d7e8780721c52858bf9b (patch)
treedce6fa8e35b8634fa5bf11c892f90c6a8545554b /gnulib/m4/getpass.m4
parent0b538ac0136873467e88fa705ecc3432ff397de7 (diff)
downloaddiffutils-789a9367cd08f37195e7d7e8780721c52858bf9b.tar.gz
Turn gnulib subrepository into a regular directory
Diffstat (limited to 'gnulib/m4/getpass.m4')
m---------gnulib0
-rw-r--r--gnulib/m4/getpass.m458
2 files changed, 58 insertions, 0 deletions
diff --git a/gnulib b/gnulib
deleted file mode 160000
-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/m4/getpass.m4 b/gnulib/m4/getpass.m4
new file mode 100644
index 0000000..13e55f6
--- /dev/null
+++ b/gnulib/m4/getpass.m4
@@ -0,0 +1,58 @@
+# getpass.m4 serial 14
+dnl Copyright (C) 2002-2003, 2005-2006, 2009-2011 Free Software Foundation,
+dnl 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.
+
+# Provide a getpass() function if the system doesn't have it.
+AC_DEFUN([gl_FUNC_GETPASS],
+[
+ dnl Persuade Solaris <unistd.h> and <stdlib.h> to declare getpass().
+ AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+
+ AC_CHECK_FUNCS([getpass])
+ AC_CHECK_DECLS_ONCE([getpass])
+ if test $ac_cv_func_getpass = yes; then
+ HAVE_GETPASS=1
+ else
+ HAVE_GETPASS=0
+ fi
+])
+
+# Provide the GNU getpass() implementation. It supports passwords of
+# arbitrary length (not just 8 bytes as on HP-UX).
+AC_DEFUN([gl_FUNC_GETPASS_GNU],
+[
+ dnl Persuade Solaris <unistd.h> and <stdlib.h> to declare getpass().
+ AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+
+ AC_CHECK_DECLS_ONCE([getpass])
+ dnl TODO: Detect when GNU getpass() is already found in glibc.
+ REPLACE_GETPASS=1
+
+ if test $REPLACE_GETPASS = 1; then
+ dnl We must choose a different name for our function, since on ELF systems
+ dnl an unusable getpass() in libc.so would override our getpass() if it is
+ dnl compiled into a shared library.
+ AC_DEFINE([getpass], [gnu_getpass],
+ [Define to a replacement function name for getpass().])
+ fi
+])
+
+# Prerequisites of lib/getpass.c.
+AC_DEFUN([gl_PREREQ_GETPASS], [
+ AC_CHECK_HEADERS_ONCE([stdio_ext.h termios.h])
+ AC_CHECK_FUNCS_ONCE([__fsetlocking tcgetattr tcsetattr])
+ AC_CHECK_DECLS([__fsetlocking],,,
+ [[#include <stdio.h>
+ #if HAVE_STDIO_EXT_H
+ #include <stdio_ext.h>
+ #endif]])
+ AC_CHECK_DECLS_ONCE([fflush_unlocked])
+ AC_CHECK_DECLS_ONCE([flockfile])
+ AC_CHECK_DECLS_ONCE([fputs_unlocked])
+ AC_CHECK_DECLS_ONCE([funlockfile])
+ AC_CHECK_DECLS_ONCE([putc_unlocked])
+ :
+])