fix d0_rijndael check

[xonotic/d0_blind_id.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index ca9fa9fc2a572a696e6d7372cb68876496fb7b77..bf677c67402afa5278df382d9dd2392f0e9bf11d 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,12 +1,28 @@
-AC_INIT([d0_blind_id], [0.1], [divVerent@alientrap.org])
+AC_INIT([d0_blind_id],[0.5],[divVerent@xonotic.org])
 AC_CONFIG_MACRO_DIR([m4])
 AM_INIT_AUTOMAKE([-Wall foreign])
 AC_PROG_CC
-AC_PROG_LIBTOOL
+LT_INIT
 
-AC_SEARCH_LIBS(clock_gettime, rt, , [AC_MSG_ERROR([GNU MP not found, see http://gmplib.org/])])
-AC_SEARCH_LIBS(__gmpz_init, gmp, , [AC_MSG_ERROR([GNU MP not found, see http://gmplib.org/])])
+AC_ARG_WITH(openssl, AS_HELP_STRING([--with-openssl], [Use OpenSSL instead of GMP (beware of the OpenSSL license)]), [with_openssl=$withval], [with_openssl=no])
+AC_ARG_WITH(tommath, AS_HELP_STRING([--with-tommath], [Use libtommath instead of GMP (slow, but WTFPL)]), [with_tommath=$withval], [with_tommath=no])
+AM_CONDITIONAL(WITH_OPENSSL, [test x"$with_openssl" != xno])
+AM_CONDITIONAL(WITH_TOMMATH, [test x"$with_tommath" != xno])
+
+AS_IF([test x"$with_tommath" != xno],
+       [AC_SEARCH_LIBS(mp_init, tommath, ,
+               [AC_MSG_ERROR([libtommath not found, see http://www.libtom.org/, or try --without-tommath])])],
+       [AS_IF([test x"$with_openssl" != xno],
+               [AC_SEARCH_LIBS(BN_init, crypto, ,
+                       [AC_MSG_ERROR([OpenSSL not found, see http://www.openssl.org/, or try --without-openssl])])],
+               [AC_SEARCH_LIBS(__gmpz_init, gmp, ,
+                       [AC_MSG_ERROR([GNU MP not found, see http://gmplib.org/, or try --with-openssl])])])])
+
+AC_ARG_ENABLE(rijndael, AS_HELP_STRING([--disable-rijndael], [Disable build of the d0_rijndael library]), [enable_aes=$enableval], [enable_aes=yes])
+
+AS_IF([test -f "$srcdir/d0_rijndael.c"], [], [AS_IF([test x"$enable_aes" != xno], [AC_MSG_ERROR([d0_rijndael.c is missing, try --disable-rijndael or download the full version of this library, but beware of crypto import laws then])])])
+AM_CONDITIONAL(ENABLE_RIJNDAEL, [test x$enable_aes = xyes])
+
+AC_CONFIG_FILES([Makefile d0_blind_id.pc d0_rijndael.pc])
 
-dnl AC_CONFIG_HEADERS([config.h])
-AC_CONFIG_FILES([Makefile d0_blind_id.pc])
 AC_OUTPUT