Remove the option of using libcrypto.

This scorches the earth and waits for spring;
see Ted Zlatanov and Stefan Monnier in
<http://lists.gnu.org/archive/html/emacs-devel/2013-12/msg00323.html>.
* configure.ac (with_openssl_default, HAVE_LIB_CRYPTO): Remove.
Do not say whether Emacs is configured to use a crypto library,
since it's no longer an option.
(gl_CRYPTO_CHECK): Define a dummy.
* lib/gl_openssl.h, m4/gl-openssl.m4: Remove.
* admin/merge-gnulib: Remove lib/gl_openssh.h and m4/gl-openssl.m4.
* src/Makefile.in (LIB_CRYPTO): Remove.
(LIBES): Don't use it.

1 files changed, 0 insertions, 51 deletions

diff --git a/m4/gl-openssl.m4 b/m4/gl-openssl.m4
deleted file mode 100644
index 0434c4c8721..00000000000
--- a/m4/gl-openssl.m4
+++ /dev/null
@@ -1,51 +0,0 @@
-# gl-openssl.m4 serial 3
-dnl Copyright (C) 2013 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_DEFUN([gl_SET_CRYPTO_CHECK_DEFAULT],
-[
-  m4_define([gl_CRYPTO_CHECK_DEFAULT], [$1])
-])
-gl_SET_CRYPTO_CHECK_DEFAULT([no])
-
-AC_DEFUN([gl_CRYPTO_CHECK],
-[
-  dnl gnulib users set this before gl_INIT with gl_SET_CRYPTO_CHECK_DEFAULT()
-  m4_divert_once([DEFAULTS], [with_openssl_default='gl_CRYPTO_CHECK_DEFAULT'])
-
-  dnl Only clear once, so crypto routines can be checked for individually
-  m4_divert_once([DEFAULTS], [LIB_CRYPTO=])
-
-  AC_ARG_WITH([openssl],
-    [AS_HELP_STRING([--with-openssl],
-      [use libcrypto hash routines. Valid ARGs are:
-       'yes', 'no', 'auto' => use if available,
-       'optional' => use if available and warn if not available;
-       default is ']gl_CRYPTO_CHECK_DEFAULT['])],
-    [],
-    [with_openssl=$with_openssl_default])
-
-  if test "x$1" = xMD5; then
-    ALG_header=md5.h
-  else
-    ALG_header=sha.h
-  fi
-
-  AC_SUBST([LIB_CRYPTO])
-  if test "x$with_openssl" != xno; then
-    AC_CHECK_LIB([crypto], [$1],
-      [AC_CHECK_HEADERS([openssl/$ALG_header],
-         [LIB_CRYPTO=-lcrypto
-          AC_DEFINE([HAVE_OPENSSL_$1], [1],
-            [Define to 1 if libcrypto is used for $1.])])])
-    if test "x$LIB_CRYPTO" = x; then
-      if test "x$with_openssl" = xyes; then
-        AC_MSG_ERROR([openssl development library not found for $1])
-      elif test "x$with_openssl" = xoptional; then
-        AC_MSG_WARN([openssl development library not found for $1])
-      fi
-    fi
-  fi
-])