X-Git-Url: http://git.xonotic.org/?a=blobdiff_plain;f=configure.ac;h=63d299262b64983bed03017632f43f235ad48117;hb=d4999fe5376e7b4ee11a8799100eef081e73282f;hp=a6e8bbe5cfe80507b0484345e213cfb0f8e8d7a5;hpb=587bbd752e2037d8c1488a51d99c99f29a660f0d;p=xonotic%2Fd0_blind_id.git

diff --git a/configure.ac b/configure.ac
index a6e8bbe..63d2992 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,11 +4,16 @@ AM_INIT_AUTOMAKE([-Wall foreign])
 AC_PROG_CC
 AC_PROG_LIBTOOL
 
-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=$enableval], [with_openssl=no])
+AM_CONDITIONAL(WITH_OPENSSL, [test x"$with_openssl" != xno])
+
+AS_IF([test x"$with_openssl" != xno],
+	[AC_SEARCH_LIBS(BN_init, ssl, , [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=$enableval], [enable_aes=yes])
 AM_CONDITIONAL(ENABLE_RIJNDAEL, [test x$enable_aes = xyes])
 
 dnl AC_CONFIG_HEADERS([config.h])
-AC_CONFIG_FILES([Makefile d0_blind_id.pc])
+AC_CONFIG_FILES([Makefile d0_blind_id.pc d0_rijndael.pc])
 AC_OUTPUT