Differential D5362 Diff 16684 src/secp256k1/configure.ac

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src/secp256k1/configure.ac

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[window size for ecmult precomputation for verification, specified as integer in range [2..24].]		[window size for ecmult precomputation for verification, specified as integer in range [2..24].]
[Larger values result in possibly better performance at the cost of an exponentially larger precomputed table.]		[Larger values result in possibly better performance at the cost of an exponentially larger precomputed table.]
[The table will store 2^(SIZE-2) * 64 bytes of data but can be larger in memory due to platform-specific padding and alignment.]		[The table will store 2^(SIZE-2) * 64 bytes of data but can be larger in memory due to platform-specific padding and alignment.]
[If the endomorphism optimization is enabled, two tables of this size are used instead of only one.]		[If the endomorphism optimization is enabled, two tables of this size are used instead of only one.]
["auto" is a reasonable setting for desktop machines (currently 15). [default=auto]]		["auto" is a reasonable setting for desktop machines (currently 15). [default=auto]]
)],		)],
[req_ecmult_window=$withval], [req_ecmult_window=auto])		[req_ecmult_window=$withval], [req_ecmult_window=auto])

		AC_ARG_WITH([ecmult-gen-precision], [AS_HELP_STRING([--with-ecmult-gen-precision=2\|4\|8\|auto],
		[Precision bits to tune the precomputed table size for signing.]
		[The size of the table is 32kB for 2 bits, 64kB for 4 bits, 512kB for 8 bits of precision.]
		[A larger table size usually results in possible faster signing.]
		["auto" is a reasonable setting for desktop machines (currently 4). [default=auto]]
		)],
		[req_ecmult_gen_precision=$withval], [req_ecmult_gen_precision=auto])

AC_CHECK_TYPES([__int128])		AC_CHECK_TYPES([__int128])

if test x"$enable_coverage" = x"yes"; then		if test x"$enable_coverage" = x"yes"; then
AC_DEFINE(COVERAGE, 1, [Define this symbol to compile out all VERIFY code])		AC_DEFINE(COVERAGE, 1, [Define this symbol to compile out all VERIFY code])
CFLAGS="$CFLAGS -O0 --coverage"		CFLAGS="$CFLAGS -O0 --coverage"
LDFLAGS="$LDFLAGS --coverage"		LDFLAGS="$LDFLAGS --coverage"
else		else
CFLAGS="$CFLAGS -O3"		CFLAGS="$CFLAGS -O3"
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if test "$set_ecmult_window" -lt 2 -o "$set_ecmult_window" -gt 24 ; then		if test "$set_ecmult_window" -lt 2 -o "$set_ecmult_window" -gt 24 ; then
# not in range		# not in range
AC_MSG_ERROR($error_window_size)		AC_MSG_ERROR($error_window_size)
fi		fi
AC_DEFINE_UNQUOTED(ECMULT_WINDOW_SIZE, $set_ecmult_window, [Set window size for ecmult precomputation])		AC_DEFINE_UNQUOTED(ECMULT_WINDOW_SIZE, $set_ecmult_window, [Set window size for ecmult precomputation])
;;		;;
esac		esac

		#set ecmult gen precision
		if test x"$req_ecmult_gen_precision" = x"auto"; then
		set_ecmult_gen_precision=4
		else
		set_ecmult_gen_precision=$req_ecmult_gen_precision
		fi

		case $set_ecmult_gen_precision in
		2\|4\|8)
		AC_DEFINE_UNQUOTED(ECMULT_GEN_PREC_BITS, $set_ecmult_gen_precision, [Set ecmult gen precision bits])
		;;
		*)
		AC_MSG_ERROR(['ecmult gen precision not 2, 4, 8 or "auto"'])
		;;
		esac

if test x"$use_tests" = x"yes"; then		if test x"$use_tests" = x"yes"; then
SECP_OPENSSL_CHECK		SECP_OPENSSL_CHECK
if test x"$has_openssl_ec" = x"yes"; then		if test x"$has_openssl_ec" = x"yes"; then
if test x"$enable_openssl_tests" != x"no"; then		if test x"$enable_openssl_tests" != x"no"; then
AC_DEFINE(ENABLE_OPENSSL_TESTS, 1, [Define this symbol if OpenSSL EC functions are available])		AC_DEFINE(ENABLE_OPENSSL_TESTS, 1, [Define this symbol if OpenSSL EC functions are available])
SECP_TEST_INCLUDES="$SSL_CFLAGS $CRYPTO_CFLAGS"		SECP_TEST_INCLUDES="$SSL_CFLAGS $CRYPTO_CFLAGS"
SECP_TEST_LIBS="$CRYPTO_LIBS"		SECP_TEST_LIBS="$CRYPTO_LIBS"

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echo " module multiset = $enable_module_multiset"		echo " module multiset = $enable_module_multiset"
echo " module schnorr = $enable_module_schnorr"		echo " module schnorr = $enable_module_schnorr"
echo		echo
echo " asm = $set_asm"		echo " asm = $set_asm"
echo " bignum = $set_bignum"		echo " bignum = $set_bignum"
echo " field = $set_field"		echo " field = $set_field"
echo " scalar = $set_scalar"		echo " scalar = $set_scalar"
echo " ecmult window size = $set_ecmult_window"		echo " ecmult window size = $set_ecmult_window"
		echo " ecmult gen prec. bits = $set_ecmult_gen_precision"
echo		echo
echo " CC = $CC"		echo " CC = $CC"
echo " CFLAGS = $CFLAGS"		echo " CFLAGS = $CFLAGS"
echo " CPPFLAGS = $CPPFLAGS"		echo " CPPFLAGS = $CPPFLAGS"
echo " LDFLAGS = $LDFLAGS"		echo " LDFLAGS = $LDFLAGS"
echo		echo