add libssl stuff to autotools stuff

diff --git a/Makefile.am b/Makefile.am
index 31a92beef5ccdff8afbf58a4a73b37128d12f4a0..acd3bcb2e421e7fe468929a7021a19b782749d4e 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -10,8 +10,13 @@ lib_LTLIBRARIES = libd0_blind_id.la
 #   - incompatible interface change: c:r:a -> c+1:0:0
 #   - internal change: c:r:a -> c:r+1:a
 
-libd0_blind_id_la_SOURCES = d0_bignum-gmp.c d0_blind_id.c d0.c d0_iobuf.c sha2.c \
-                            d0_bignum-gmp.h d0_blind_id.h d0.h d0_iobuf.h sha2.h
+libd0_blind_id_la_SOURCES = d0_blind_id.c d0.c d0_iobuf.c sha2.c \
+                            d0_blind_id.h d0.h d0_iobuf.h sha2.h
+if WITH_OPENSSL
+libd0_blind_id_la_SOURCES += d0_bignum-openssl.c d0_bignum-openssl.h
+else
+libd0_blind_id_la_SOURCES += d0_bignum-gmp.c d0_bignum-gmp.h
+endif
 libd0_blind_id_la_LDFLAGS = -versioninfo 3:0:3
 libd0_blind_id_la_CFLAGS = -fvisibility=hidden -Wold-style-definition -Wstrict-prototypes -Wsign-compare -Wdeclaration-after-statement
 library_includedir = $(includedir)/d0_blind_id

diff --git a/configure.ac b/configure.ac
index 50ee2805611608d87eb889ca3786b30bc942b579..ce36408ad6e63eb17f31ff3ce881df9751bd7def 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -4,7 +4,15 @@ 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)]), [enable_openssl=$enableval], [enable_openssl=no])
+AM_CONDITIONAL(ENABLE_OPENSSL, [test x$enable_openssl = xyes])
+
+if test x$enable_openssl = xyes
+then
+       AC_SEARCH_LIBS(BN_init, ssl, , [AC_MSG_ERROR([OpenSSL not found, see http://www.openssl.org/, or try --without-openssl])])
+else
+       AC_SEARCH_LIBS(__gmpz_init, gmp, , [AC_MSG_ERROR([GNU MP not found, see http://gmplib.org/, or try --with-openssl])])
+fi
 
 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])