diff options
author | Simon Josefsson <simon@josefsson.org> | 2012-05-21 16:03:01 +0200 |
---|---|---|
committer | Simon Josefsson <simon@josefsson.org> | 2012-05-21 16:03:01 +0200 |
commit | 9eda66890eeedd3157f5733f2fb5ce3e67d1bd5a (patch) | |
tree | 787925e004d5014be13e9e7c1cf7bcd10fbf925d /m4 | |
parent | 5bde137d4911eb44fabcc394b4a7c29a4f3a5de6 (diff) | |
download | gnulib-9eda66890eeedd3157f5733f2fb5ce3e67d1bd5a.tar.gz |
gc: fix libgcrypt detection on older machines.
* m4/gc.m4: Reject libgcrypt earlier than 1.4.4. Collapse
copyright years because the file has been distributed every year
since it was created.
Diffstat (limited to 'm4')
-rw-r--r-- | m4/gc.m4 | 14 |
1 files changed, 11 insertions, 3 deletions
@@ -1,5 +1,5 @@ -# gc.m4 serial 8 -dnl Copyright (C) 2005-2006, 2009-2012 Free Software Foundation, Inc. +# gc.m4 serial 9 +dnl Copyright (C) 2005-2012 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. @@ -10,6 +10,14 @@ AC_DEFUN([gl_GC], AS_HELP_STRING([--with-libgcrypt], [use libgcrypt for low-level crypto]), libgcrypt=$withval, libgcrypt=no) if test "$libgcrypt" != no; then - AC_LIB_HAVE_LINKFLAGS([gcrypt], [gpg-error], [#include <gcrypt.h>]) + AC_LIB_HAVE_LINKFLAGS([gcrypt], [gpg-error], [ +#include <gcrypt.h> +/* GCRY_MODULE_ID_USER was added in 1.4.4 and gc-libgcrypt.c + will fail on startup if we don't have 1.4.4 or later, so + test for it early. */ +#if !defined GCRY_MODULE_ID_USER +error too old libgcrypt +#endif +]) fi ]) |