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Diffstat (limited to 'src/secp256k1/configure.ac')
-rw-r--r--src/secp256k1/configure.ac113
1 files changed, 69 insertions, 44 deletions
diff --git a/src/secp256k1/configure.ac b/src/secp256k1/configure.ac
index 40e121e806..f691156ff7 100644
--- a/src/secp256k1/configure.ac
+++ b/src/secp256k1/configure.ac
@@ -6,7 +6,7 @@ AC_CANONICAL_HOST
AH_TOP([#ifndef LIBSECP256K1_CONFIG_H])
AH_TOP([#define LIBSECP256K1_CONFIG_H])
AH_BOTTOM([#endif //LIBSECP256K1_CONFIG_H])
-AM_INIT_AUTOMAKE([foreign])
+AM_INIT_AUTOMAKE([foreign subdir-objects])
LT_INIT
dnl make the compilation flags quiet unless V=1 is used
@@ -23,7 +23,7 @@ if test "x$CFLAGS" = "x"; then
fi
AC_PROG_CC_C99
-if test x"$ac_cv_prog_cc_c99" == x"no"; then
+if test x"$ac_cv_prog_cc_c99" = x"no"; then
AC_MSG_ERROR([c99 compiler support required])
fi
@@ -82,9 +82,9 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[char foo;]])],
AC_ARG_ENABLE(benchmark,
- AS_HELP_STRING([--enable-benchmark],[compile benchmark (default is yes)]),
+ AS_HELP_STRING([--enable-benchmark],[compile benchmark (default is no)]),
[use_benchmark=$enableval],
- [use_benchmark=yes])
+ [use_benchmark=no])
AC_ARG_ENABLE(tests,
AS_HELP_STRING([--enable-tests],[compile tests (default is yes)]),
@@ -96,15 +96,18 @@ AC_ARG_ENABLE(endomorphism,
[use_endomorphism=$enableval],
[use_endomorphism=no])
-AC_ARG_WITH([field], [AS_HELP_STRING([--with-field=gmp|64bit|64bit_asm|32bit|auto],
+AC_ARG_WITH([field], [AS_HELP_STRING([--with-field=64bit|32bit|auto],
[Specify Field Implementation. Default is auto])],[req_field=$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=$withval], [req_asm=auto])
+
AC_CHECK_TYPES([__int128])
AC_MSG_CHECKING([for __builtin_expect])
@@ -113,40 +116,54 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[void myfunc() {__builtin_expect(0,0);}]])],
[ AC_MSG_RESULT([no])
])
-if test x"$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 $set_field in
- 64bit_asm)
- SECP_64BIT_ASM_CHECK
- ;;
64bit)
- SECP_INT128_CHECK
- ;;
- gmp)
- SECP_GMP_CHECK
+ if test x"$set_asm" != x"x86_64"; then
+ SECP_INT128_CHECK
+ if test x"$has_int128" != x"yes"; then
+ AC_MSG_ERROR([64bit field explicitly requested but neither __int128 support or x86_64 assembly available])
+ fi
+ fi
;;
32bit)
;;
@@ -157,11 +174,9 @@ else
fi
if test x"$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 +186,9 @@ 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 +205,18 @@ 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])
@@ -203,20 +224,23 @@ 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 $set_field in
-64bit_asm)
- AC_DEFINE(USE_FIELD_5X52_ASM, 1, [Define this symbol to use the assembly version for the 5x52 field implementation])
- AC_DEFINE(USE_FIELD_5X52, 1, [Define this symbol to use the FIELD_5X52 implementation])
- ;;
64bit)
- AC_DEFINE(USE_FIELD_5X52_INT128, 1, [Define this symbol to use the __int128 version for the 5x52 field implementation])
AC_DEFINE(USE_FIELD_5X52, 1, [Define this symbol to use the FIELD_5X52 implementation])
;;
-gmp)
- AC_DEFINE(HAVE_LIBGMP,1,[Define this symbol if libgmp is installed])
- AC_DEFINE(USE_FIELD_GMP, 1, [Define this symbol to use the FIELD_GMP implementation])
- ;;
32bit)
AC_DEFINE(USE_FIELD_10X26, 1, [Define this symbol to use the FIELD_10X26 implementation])
;;
@@ -233,7 +257,7 @@ gmp)
AC_DEFINE(USE_FIELD_INV_NUM, 1, [Define this symbol to use the num-based field inverse implementation])
AC_DEFINE(USE_SCALAR_INV_NUM, 1, [Define this symbol to use the num-based scalar inverse implementation])
;;
-none)
+no)
AC_DEFINE(USE_NUM_NONE, 1, [Define this symbol to use no num implementation])
AC_DEFINE(USE_FIELD_INV_BUILTIN, 1, [Define this symbol to use the native field inverse implementation])
AC_DEFINE(USE_SCALAR_INV_BUILTIN, 1, [Define this symbol to use the native scalar inverse implementation])
@@ -258,7 +282,7 @@ esac
if test x"$use_tests" = x"yes"; then
SECP_OPENSSL_CHECK
- if test x"$has_openssl_ec" == x"yes"; then
+ if test x"$has_openssl_ec" = x"yes"; then
AC_DEFINE(ENABLE_OPENSSL_TESTS, 1, [Define this symbol if OpenSSL EC functions are available])
SECP_TEST_INCLUDES="$SSL_CFLAGS $CRYPTO_CFLAGS"
SECP_TEST_LIBS="$CRYPTO_LIBS"
@@ -272,7 +296,7 @@ if test x"$use_tests" = x"yes"; then
fi
fi
-if test x"$set_field" = x"gmp" || test x"$set_bignum" = x"gmp"; then
+if test x"$set_bignum" = x"gmp"; then
SECP_LIBS="$SECP_LIBS $GMP_LIBS"
SECP_INCLUDES="$SECP_INCLUDES $GMP_CPPFLAGS"
fi
@@ -281,9 +305,11 @@ if test x"$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: $use_endomorphism])
AC_CONFIG_HEADERS([src/libsecp256k1-config.h])
AC_CONFIG_FILES([Makefile libsecp256k1.pc])
@@ -291,9 +317,8 @@ AC_SUBST(SECP_INCLUDES)
AC_SUBST(SECP_LIBS)
AC_SUBST(SECP_TEST_LIBS)
AC_SUBST(SECP_TEST_INCLUDES)
-AM_CONDITIONAL([USE_ASM], [test x"$set_field" == x"64bit_asm"])
AM_CONDITIONAL([USE_TESTS], [test x"$use_tests" != x"no"])
-AM_CONDITIONAL([USE_BENCHMARK], [test x"$use_benchmark" != x"no"])
+AM_CONDITIONAL([USE_BENCHMARK], [test x"$use_benchmark" = x"yes"])
dnl make sure nothing new is exported so that we don't break the cache
PKGCONFIG_PATH_TEMP="$PKG_CONFIG_PATH"