Configure options reorganization

This commit is contained in:
Pieter Wuille
2014-12-12 16:20:47 +01:00
parent 3c0f246e7e
commit 1ba4a60a51
4 changed files with 72 additions and 51 deletions

View File

@@ -96,15 +96,18 @@ AC_ARG_ENABLE(endomorphism,
[use_endomorphism=$enableval],
[use_endomorphism=no])
AC_ARG_WITH([field], [AS_HELP_STRING([--with-field=gmp|64bit|64bit_asm|32bit|auto],
AC_ARG_WITH([field], [AS_HELP_STRING([--with-field=gmp|64bit|32bit|auto],
[Specify Field Implementation. Default is auto])],[req_field=$withval], [req_field=auto])
AC_ARG_WITH([bignum], [AS_HELP_STRING([--with-bignum=gmp|none|auto],
AC_ARG_WITH([bignum], [AS_HELP_STRING([--with-bignum=gmp|no|auto],
[Specify Bignum Implementation. Default is auto])],[req_bignum=$withval], [req_bignum=auto])
AC_ARG_WITH([scalar], [AS_HELP_STRING([--with-scalar=64bit|32bit|auto],
[Specify scalar implementation. Default is auto])],[req_scalar=$withval], [req_scalar=auto])
AC_ARG_WITH([asm], [AS_HELP_STRING([--with-asm=x86_64|no|auto]
[Specify assembly optimizations to use. Default is auto])],[req_asm=$withval], [req_asm=auto])
AC_CHECK_TYPES([__int128])
AC_MSG_CHECKING([for __builtin_expect])
@@ -113,40 +116,66 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[void myfunc() {__builtin_expect(0,0);}]])],
[ AC_MSG_RESULT([no])
])
if test x"$req_field" = x"auto"; then
if test x"$req_asm" = x"auto"; then
SECP_64BIT_ASM_CHECK
if test x"$has_64bit_asm" = x"yes"; then
set_field=64bit_asm
set_asm=x86_64
fi
if test x"$set_asm" = x; then
set_asm=no
fi
else
set_asm=$req_asm
case $set_asm in
x86_64)
SECP_64BIT_ASM_CHECK
if test x"$has_64bit_asm" != x"yes"; then
AC_MSG_ERROR([x86_64 assembly optimization requested but not available])
fi
;;
no)
;;
*)
AC_MSG_ERROR([invalid assembly optimization selection])
;;
esac
fi
if test x"$req_field" = x"auto"; then
if test x"set_asm" = x"x86_64"; then
set_field=64bit
fi
if test x"$set_field" = x; then
SECP_INT128_CHECK
if test x"$has_int128" = x"yes"; then
set_field=64bit
fi
fi
if test x"$set_field" = x; then
SECP_GMP_CHECK
if test x"$has_gmp" = x"yes"; then
set_field=gmp
fi
fi
if test x"$set_field" = x; then
set_field=32bit
fi
else
set_field=$req_field
case $set_field in
64bit_asm)
SECP_64BIT_ASM_CHECK
;;
64bit)
SECP_INT128_CHECK
if test x"$set_asm" != x"x86_64"; then
SECP_INT128_CHECK
if test x"$has_int128" != x"yes"; then
AC_MSG_ERROR([64bit field explicitly requested but neither __int128 support or x86_64 assembly available])
fi
fi
;;
gmp)
SECP_GMP_CHECK
if test x"$has_gmp" != x"yes"; then
AC_MSG_ERROR([gmp field explicitly requested but libgmp not available])
fi
;;
32bit)
;;
@@ -157,11 +186,9 @@ else
fi
if test x"$req_scalar" = x"auto"; then
if test x"$set_scalar" = x; then
SECP_INT128_CHECK
if test x"$has_int128" = x"yes"; then
set_scalar=64bit
fi
SECP_INT128_CHECK
if test x"$has_int128" = x"yes"; then
set_scalar=64bit
fi
if test x"$set_scalar" = x; then
set_scalar=32bit
@@ -171,6 +198,9 @@ else
case $set_scalar in
64bit)
SECP_INT128_CHECK
if test x"$has_int128" != x"yes"; then
AC_MSG_ERROR([64bit scalar explicitly requested but __int128 support not available])
fi
;;
32bit)
;;
@@ -187,15 +217,18 @@ if test x"$req_bignum" = x"auto"; then
fi
if test x"$set_bignum" = x; then
set_bignum=none
set_bignum=no
fi
else
set_bignum=$req_bignum
case $set_bignum in
gmp)
SECP_GMP_CHECK
if test x"$has_gmp" != x"yes"; then
AC_MSG_ERROR([gmp bignum explicitly requested but libgmp not available])
fi
;;
none)
no)
;;
*)
AC_MSG_ERROR([invalid bignum implementation selection])
@@ -203,14 +236,21 @@ else
esac
fi
# select assembly optimization
case $set_asm in
x86_64)
AC_DEFINE(USE_ASM_X86_64, 1, [Define this symbol to enable x86_64 assembly optimizations])
;;
no)
;;
*)
AC_MSG_ERROR([invalid assembly optimizations])
;;
esac
# select field implementation
case $set_field in
64bit_asm)
AC_DEFINE(USE_FIELD_5X52_ASM, 1, [Define this symbol to use the assembly version for the 5x52 field implementation])
AC_DEFINE(USE_FIELD_5X52, 1, [Define this symbol to use the FIELD_5X52 implementation])
;;
64bit)
AC_DEFINE(USE_FIELD_5X52_INT128, 1, [Define this symbol to use the __int128 version for the 5x52 field implementation])
AC_DEFINE(USE_FIELD_5X52, 1, [Define this symbol to use the FIELD_5X52 implementation])
;;
gmp)
@@ -233,7 +273,7 @@ gmp)
AC_DEFINE(USE_FIELD_INV_NUM, 1, [Define this symbol to use the num-based field inverse implementation])
AC_DEFINE(USE_SCALAR_INV_NUM, 1, [Define this symbol to use the num-based scalar inverse implementation])
;;
none)
no)
AC_DEFINE(USE_NUM_NONE, 1, [Define this symbol to use no num implementation])
AC_DEFINE(USE_FIELD_INV_BUILTIN, 1, [Define this symbol to use the native field inverse implementation])
AC_DEFINE(USE_SCALAR_INV_BUILTIN, 1, [Define this symbol to use the native scalar inverse implementation])
@@ -281,9 +321,11 @@ if test x"$use_endomorphism" = x"yes"; then
AC_DEFINE(USE_ENDOMORPHISM, 1, [Define this symbol to use endomorphism optimization])
fi
AC_MSG_NOTICE([Using assembly optimizations: $set_asm])
AC_MSG_NOTICE([Using field implementation: $set_field])
AC_MSG_NOTICE([Using bignum implementation: $set_bignum])
AC_MSG_NOTICE([Using scalar implementation: $set_scalar])
AC_MSG_NOTICE([Using endomorphism optimizations: $use_endomorphism])
AC_CONFIG_HEADERS([src/libsecp256k1-config.h])
AC_CONFIG_FILES([Makefile libsecp256k1.pc])
@@ -291,7 +333,6 @@ AC_SUBST(SECP_INCLUDES)
AC_SUBST(SECP_LIBS)
AC_SUBST(SECP_TEST_LIBS)
AC_SUBST(SECP_TEST_INCLUDES)
AM_CONDITIONAL([USE_ASM], [test x"$set_field" = x"64bit_asm"])
AM_CONDITIONAL([USE_TESTS], [test x"$use_tests" != x"no"])
AM_CONDITIONAL([USE_BENCHMARK], [test x"$use_benchmark" = x"yes"])