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-rw-r--r--m4/libgcrypt.m430
1 files changed, 22 insertions, 8 deletions
diff --git a/m4/libgcrypt.m4 b/m4/libgcrypt.m4
index 20bd10556..6cf482fcb 100644
--- a/m4/libgcrypt.m4
+++ b/m4/libgcrypt.m4
@@ -1,5 +1,5 @@
dnl Autoconf macros for libgcrypt
-dnl Copyright (C) 2002, 2004 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 2004, 2011 Free Software Foundation, Inc.
dnl
dnl This file is free software; as a special exception the author gives
dnl unlimited permission to copy and/or distribute it, with or without
@@ -15,13 +15,14 @@ dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
dnl Test for libgcrypt and define LIBGCRYPT_CFLAGS and LIBGCRYPT_LIBS.
dnl MINIMUN-VERSION is a string with the version number optionalliy prefixed
dnl with the API version to also check the API compatibility. Example:
-dnl a MINIMUN-VERSION of 1:1.2.5 won't pass the test unless the installed
+dnl a MINIMUN-VERSION of 1:1.2.5 won't pass the test unless the installed
dnl version of libgcrypt is at least 1.2.5 *and* the API number is 1. Using
dnl this features allows to prevent build against newer versions of libgcrypt
dnl with a changed API.
dnl
AC_DEFUN([AM_PATH_LIBGCRYPT],
-[ AC_ARG_WITH(libgcrypt-prefix,
+[ AC_REQUIRE([AC_CANONICAL_HOST])
+ AC_ARG_WITH(libgcrypt-prefix,
AC_HELP_STRING([--with-libgcrypt-prefix=PFX],
[prefix where LIBGCRYPT is installed (optional)]),
libgcrypt_config_prefix="$withval", libgcrypt_config_prefix="")
@@ -31,7 +32,7 @@ AC_DEFUN([AM_PATH_LIBGCRYPT],
fi
fi
- AC_PATH_PROG(LIBGCRYPT_CONFIG, libgcrypt-config, no)
+ AC_PATH_TOOL(LIBGCRYPT_CONFIG, libgcrypt-config, no)
tmp=ifelse([$1], ,1:1.2.0,$1)
if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then
req_libgcrypt_api=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\1/'`
@@ -59,7 +60,7 @@ AC_DEFUN([AM_PATH_LIBGCRYPT],
sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
if test "$major" -gt "$req_major"; then
ok=yes
- else
+ else
if test "$major" -eq "$req_major"; then
if test "$minor" -gt "$req_minor"; then
ok=yes
@@ -74,7 +75,7 @@ AC_DEFUN([AM_PATH_LIBGCRYPT],
fi
fi
if test $ok = yes; then
- AC_MSG_RESULT(yes)
+ AC_MSG_RESULT([yes ($libgcrypt_config_version)])
else
AC_MSG_RESULT(no)
fi
@@ -86,10 +87,10 @@ AC_DEFUN([AM_PATH_LIBGCRYPT],
if test "$tmp" -gt 0 ; then
AC_MSG_CHECKING([LIBGCRYPT API version])
if test "$req_libgcrypt_api" -eq "$tmp" ; then
- AC_MSG_RESULT(okay)
+ AC_MSG_RESULT([okay])
else
ok=no
- AC_MSG_RESULT([does not match (want=$req_libgcrypt_api got=$tmp)])
+ AC_MSG_RESULT([does not match. want=$req_libgcrypt_api got=$tmp])
fi
fi
fi
@@ -98,6 +99,19 @@ AC_DEFUN([AM_PATH_LIBGCRYPT],
LIBGCRYPT_CFLAGS=`$LIBGCRYPT_CONFIG --cflags`
LIBGCRYPT_LIBS=`$LIBGCRYPT_CONFIG --libs`
ifelse([$2], , :, [$2])
+ libgcrypt_config_host=`$LIBGCRYPT_CONFIG --host 2>/dev/null || echo none`
+ if test x"$libgcrypt_config_host" != xnone ; then
+ if test x"$libgcrypt_config_host" != x"$host" ; then
+ AC_MSG_WARN([[
+***
+*** The config script $LIBGCRYPT_CONFIG was
+*** built for $libgcrypt_config_host and thus may not match the
+*** used host $host.
+*** You may want to use the configure option --with-libgcrypt-prefix
+*** to specify a matching config script.
+***]])
+ fi
+ fi
else
LIBGCRYPT_CFLAGS=""
LIBGCRYPT_LIBS=""