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-rw-r--r--configure.ac16
1 files changed, 14 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac
index f575af17f..165e66d44 100644
--- a/configure.ac
+++ b/configure.ac
@@ -221,13 +221,25 @@ fi
# libgcrypt
gcrypt=0
-AM_PATH_LIBGCRYPT(1.2.0, gcrypt=1)
+NEED_LIBGCRYPT_API=1
+NEED_LIBGCRYPT_VERSION=1.4.2
+
+
+AM_PATH_LIBGCRYPT("$NEED_LIBGCRYPT_API:$NEED_LIBGCRYPT_VERSION", gcrypt=1)
AC_CHECK_DECLS([gcry_mpi_lshift], [], [], [[#include <gcrypt.h>]])
if test $gcrypt = 0
then
- AC_MSG_ERROR([GNUnet needs libgcrypt])
+ AC_MSG_ERROR([[
+***
+*** You need libgcrypt to build this program.
+** This library is for example available at
+*** ftp://ftp.gnupg.org/gcrypt/libgcrypt/
+*** (at least version $NEED_LIBGCRYPT_VERSION (API $NEED_LIBGCRYPT_API)
+*** is required.)
+***]])
fi
+AC_DEFINE_UNQUOTED([NEED_LIBGCRYPT_VERSION], "$NEED_LIBGCRYPT_VERSION", [required libgcrypt version])
# Adam shostack suggests the following for Windows:
# -D_FORTIFY_SOURCE=2 -fstack-protector-all