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])
+AH_BOTTOM([#endif /*LIBSECP256K1_CONFIG_H*/])
+AM_INIT_AUTOMAKE([foreign subdir-objects])
LT_INIT
dnl make the compilation flags quiet unless V=1 is used
AC_PATH_TOOL(AR, ar)
AC_PATH_TOOL(RANLIB, ranlib)
AC_PATH_TOOL(STRIP, strip)
+AX_PROG_CC_FOR_BUILD
-AC_PROG_CC_C99
-if test x"$ac_cv_prog_cc_c99" == x"no"; then
- AC_MSG_ERROR([c99 compiler support required])
+if test "x$CFLAGS" = "x"; then
+ CFLAGS="-g"
fi
-case $host in
- *mingw*)
- use_pkgconfig=no
- ;;
- *)
- use_pkgconfig=yes
- ;;
-esac
+AM_PROG_CC_C_O
+
+AC_PROG_CC_C89
+if test x"$ac_cv_prog_cc_c89" = x"no"; then
+ AC_MSG_ERROR([c89 compiler support required])
+fi
+AM_PROG_AS
case $host_os in
*darwin*)
CFLAGS="$CFLAGS -W"
-warn_CFLAGS="-Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wstrict-prototypes -Wno-unused-function"
+warn_CFLAGS="-std=c89 -pedantic -Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wstrict-prototypes -Wno-unused-function -Wno-long-long -Wno-overlength-strings"
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $warn_CFLAGS"
AC_MSG_CHECKING([if ${CC} supports ${warn_CFLAGS}])
CFLAGS="$saved_CFLAGS"
])
+saved_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -fvisibility=hidden"
+AC_MSG_CHECKING([if ${CC} supports -fvisibility=hidden])
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[char foo;]])],
+ [ AC_MSG_RESULT([yes]) ],
+ [ AC_MSG_RESULT([no])
+ CFLAGS="$saved_CFLAGS"
+ ])
AC_ARG_ENABLE(benchmark,
AS_HELP_STRING([--enable-benchmark],[compile benchmark (default is yes)]),
[use_benchmark=$enableval],
[use_benchmark=yes])
+AC_ARG_ENABLE(coverage,
+ AS_HELP_STRING([--enable-coverage],[enable compiler flags to support kcov coverage analysis]),
+ [enable_coverage=$enableval],
+ [enable_coverage=no])
+
AC_ARG_ENABLE(tests,
AS_HELP_STRING([--enable-tests],[compile tests (default is yes)]),
[use_tests=$enableval],
[use_tests=yes])
+AC_ARG_ENABLE(openssl_tests,
+ AS_HELP_STRING([--enable-openssl-tests],[enable OpenSSL tests, if OpenSSL is available (default is auto)]),
+ [enable_openssl_tests=$enableval],
+ [enable_openssl_tests=auto])
+
+AC_ARG_ENABLE(experimental,
+ AS_HELP_STRING([--enable-experimental],[allow experimental configure options (default is no)]),
+ [use_experimental=$enableval],
+ [use_experimental=no])
+
+AC_ARG_ENABLE(exhaustive_tests,
+ AS_HELP_STRING([--enable-exhaustive-tests],[compile exhaustive tests (default is yes)]),
+ [use_exhaustive_tests=$enableval],
+ [use_exhaustive_tests=yes])
+
AC_ARG_ENABLE(endomorphism,
AS_HELP_STRING([--enable-endomorphism],[enable endomorphism (default is no)]),
[use_endomorphism=$enableval],
[use_endomorphism=no])
-AC_ARG_WITH([field], [AS_HELP_STRING([--with-field=gmp|64bit|64bit_asm|32bit|auto],
+AC_ARG_ENABLE(ecmult_static_precomputation,
+ AS_HELP_STRING([--enable-ecmult-static-precomputation],[enable precomputed ecmult table for signing (default is yes)]),
+ [use_ecmult_static_precomputation=$enableval],
+ [use_ecmult_static_precomputation=auto])
+
+AC_ARG_ENABLE(module_ecdh,
+ AS_HELP_STRING([--enable-module-ecdh],[enable ECDH shared secret computation (experimental)]),
+ [enable_module_ecdh=$enableval],
+ [enable_module_ecdh=no])
+
+AC_ARG_ENABLE(module_recovery,
+ AS_HELP_STRING([--enable-module-recovery],[enable ECDSA pubkey recovery module (default is no)]),
+ [enable_module_recovery=$enableval],
+ [enable_module_recovery=no])
+
+AC_ARG_ENABLE(jni,
+ AS_HELP_STRING([--enable-jni],[enable libsecp256k1_jni (default is no)]),
+ [use_jni=$enableval],
+ [use_jni=no])
+
+AC_ARG_WITH([field], [AS_HELP_STRING([--with-field=64bit|32bit|auto],
[Specify Field Implementation. Default is auto])],[req_field=$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|arm|no|auto]
+[Specify assembly optimizations to use. Default is auto (experimental: arm)])],[req_asm=$withval], [req_asm=auto])
+
AC_CHECK_TYPES([__int128])
-AC_CHECK_DECL(__builtin_expect,AC_DEFINE(HAVE_BUILTIN_EXPECT,1,[Define this symbol if __builtin_expect is available]),,)
+if test x"$enable_coverage" = x"yes"; then
+ AC_DEFINE(COVERAGE, 1, [Define this symbol to compile out all VERIFY code])
+ CFLAGS="$CFLAGS -O0 --coverage"
+ LDFLAGS="--coverage"
+else
+ CFLAGS="$CFLAGS -O3"
+fi
-if test x"$req_field" = x"auto"; then
+if test x"$use_ecmult_static_precomputation" != x"no"; then
+ save_cross_compiling=$cross_compiling
+ cross_compiling=no
+ TEMP_CC="$CC"
+ CC="$CC_FOR_BUILD"
+ AC_MSG_CHECKING([native compiler: ${CC_FOR_BUILD}])
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([], [return 0])],
+ [working_native_cc=yes],
+ [working_native_cc=no],[dnl])
+ CC="$TEMP_CC"
+ cross_compiling=$save_cross_compiling
+
+ if test x"$working_native_cc" = x"no"; then
+ set_precomp=no
+ if test x"$use_ecmult_static_precomputation" = x"yes"; then
+ AC_MSG_ERROR([${CC_FOR_BUILD} does not produce working binaries. Please set CC_FOR_BUILD])
+ else
+ AC_MSG_RESULT([${CC_FOR_BUILD} does not produce working binaries. Please set CC_FOR_BUILD])
+ fi
+ else
+ AC_MSG_RESULT([ok])
+ set_precomp=yes
+ fi
+else
+ set_precomp=no
+fi
+
+if test x"$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
+ ;;
+ arm)
+ ;;
+ 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"$has_int128" != x"yes"; then
+ AC_MSG_ERROR([64bit field explicitly requested but neither __int128 support or x86_64 assembly available])
+ fi
+ fi
;;
32bit)
;;
fi
if test x"$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
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)
;;
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])
esac
fi
+# select assembly optimization
+use_external_asm=no
+
+case $set_asm in
+x86_64)
+ AC_DEFINE(USE_ASM_X86_64, 1, [Define this symbol to enable x86_64 assembly optimizations])
+ ;;
+arm)
+ use_external_asm=yes
+ ;;
+no)
+ ;;
+*)
+ AC_MSG_ERROR([invalid assembly optimizations])
+ ;;
+esac
+
# select field implementation
case $set_field in
-64bit_asm)
- AC_DEFINE(USE_FIELD_5X52_ASM, 1, [Define this symbol to use the assembly version for the 5x52 field implementation])
- AC_DEFINE(USE_FIELD_5X52, 1, [Define this symbol to use the FIELD_5X52 implementation])
- ;;
64bit)
- AC_DEFINE(USE_FIELD_5X52_INT128, 1, [Define this symbol to use the __int128 version for the 5x52 field implementation])
AC_DEFINE(USE_FIELD_5X52, 1, [Define this symbol to use the FIELD_5X52 implementation])
;;
-gmp)
- AC_DEFINE(HAVE_LIBGMP,1,[Define this symbol if libgmp is installed])
- AC_DEFINE(USE_FIELD_GMP, 1, [Define this symbol to use the FIELD_GMP implementation])
- ;;
32bit)
AC_DEFINE(USE_FIELD_10X26, 1, [Define this symbol to use the FIELD_10X26 implementation])
;;
AC_DEFINE(USE_FIELD_INV_NUM, 1, [Define this symbol to use the num-based field inverse implementation])
AC_DEFINE(USE_SCALAR_INV_NUM, 1, [Define this symbol to use the num-based scalar inverse implementation])
;;
-none)
+no)
AC_DEFINE(USE_NUM_NONE, 1, [Define this symbol to use no num implementation])
AC_DEFINE(USE_FIELD_INV_BUILTIN, 1, [Define this symbol to use the native field inverse implementation])
AC_DEFINE(USE_SCALAR_INV_BUILTIN, 1, [Define this symbol to use the native scalar inverse implementation])
if test x"$use_tests" = x"yes"; then
SECP_OPENSSL_CHECK
- 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"
-
- case $host in
- *mingw*)
- SECP_TEST_LIBS="$SECP_TEST_LIBS -lgdi32"
- ;;
- esac
+ if test x"$has_openssl_ec" = x"yes"; then
+ if test x"$enable_openssl_tests" != x"no"; then
+ AC_DEFINE(ENABLE_OPENSSL_TESTS, 1, [Define this symbol if OpenSSL EC functions are available])
+ SECP_TEST_INCLUDES="$SSL_CFLAGS $CRYPTO_CFLAGS"
+ SECP_TEST_LIBS="$CRYPTO_LIBS"
+
+ case $host in
+ *mingw*)
+ SECP_TEST_LIBS="$SECP_TEST_LIBS -lgdi32"
+ ;;
+ esac
+ fi
+ else
+ if test x"$enable_openssl_tests" = x"yes"; then
+ AC_MSG_ERROR([OpenSSL tests requested but OpenSSL with EC support is not available])
+ fi
+ fi
+else
+ if test x"$enable_openssl_tests" = x"yes"; then
+ AC_MSG_ERROR([OpenSSL tests requested but tests are not enabled])
+ fi
+fi
+if test x"$use_jni" != x"no"; then
+ AX_JNI_INCLUDE_DIR
+ have_jni_dependencies=yes
+ if test x"$enable_module_ecdh" = x"no"; then
+ have_jni_dependencies=no
+ fi
+ if test "x$JNI_INCLUDE_DIRS" = "x"; then
+ have_jni_dependencies=no
+ fi
+ if test "x$have_jni_dependencies" = "xno"; then
+ if test x"$use_jni" = x"yes"; then
+ AC_MSG_ERROR([jni support explicitly requested but headers/dependencies were not found. Enable ECDH and try again.])
+ fi
+ AC_MSG_WARN([jni headers/dependencies not found. jni support disabled])
+ use_jni=no
+ else
+ use_jni=yes
+ for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS; do
+ JNI_INCLUDES="$JNI_INCLUDES -I$JNI_INCLUDE_DIR"
+ done
fi
fi
-if test x"$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 $GMP_CPPFLAGS"
fi
AC_DEFINE(USE_ENDOMORPHISM, 1, [Define this symbol to use endomorphism optimization])
fi
+if test x"$set_precomp" = x"yes"; then
+ AC_DEFINE(USE_ECMULT_STATIC_PRECOMPUTATION, 1, [Define this symbol to use a statically generated ecmult table])
+fi
+
+if test x"$enable_module_ecdh" = x"yes"; then
+ AC_DEFINE(ENABLE_MODULE_ECDH, 1, [Define this symbol to enable the ECDH module])
+fi
+
+if test x"$enable_module_recovery" = x"yes"; then
+ AC_DEFINE(ENABLE_MODULE_RECOVERY, 1, [Define this symbol to enable the ECDSA pubkey recovery module])
+fi
+
+AC_C_BIGENDIAN()
+
+if test x"$use_external_asm" = x"yes"; then
+ AC_DEFINE(USE_EXTERNAL_ASM, 1, [Define this symbol if an external (non-inline) assembly implementation is used])
+fi
+
+AC_MSG_NOTICE([Using static precomputation: $set_precomp])
+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_MSG_NOTICE([Building benchmarks: $use_benchmark])
+AC_MSG_NOTICE([Building for coverage analysis: $enable_coverage])
+AC_MSG_NOTICE([Building ECDH module: $enable_module_ecdh])
+AC_MSG_NOTICE([Building ECDSA pubkey recovery module: $enable_module_recovery])
+AC_MSG_NOTICE([Using jni: $use_jni])
+
+if test x"$enable_experimental" = x"yes"; then
+ AC_MSG_NOTICE([******])
+ AC_MSG_NOTICE([WARNING: experimental build])
+ AC_MSG_NOTICE([Experimental features do not have stable APIs or properties, and may not be safe for production use.])
+ AC_MSG_NOTICE([Building ECDH module: $enable_module_ecdh])
+ AC_MSG_NOTICE([******])
+else
+ if test x"$enable_module_ecdh" = x"yes"; then
+ AC_MSG_ERROR([ECDH module is experimental. Use --enable-experimental to allow.])
+ fi
+ if test x"$set_asm" = x"arm"; then
+ AC_MSG_ERROR([ARM assembly optimization is experimental. Use --enable-experimental to allow.])
+ fi
+fi
AC_CONFIG_HEADERS([src/libsecp256k1-config.h])
AC_CONFIG_FILES([Makefile libsecp256k1.pc])
+AC_SUBST(JNI_INCLUDES)
AC_SUBST(SECP_INCLUDES)
AC_SUBST(SECP_LIBS)
AC_SUBST(SECP_TEST_LIBS)
AC_SUBST(SECP_TEST_INCLUDES)
-AM_CONDITIONAL([USE_ASM], [test x"$set_field" == x"64bit_asm"])
+AM_CONDITIONAL([ENABLE_COVERAGE], [test x"$enable_coverage" = x"yes"])
AM_CONDITIONAL([USE_TESTS], [test x"$use_tests" != x"no"])
-AM_CONDITIONAL([USE_BENCHMARK], [test x"$use_benchmark" != x"no"])
+AM_CONDITIONAL([USE_EXHAUSTIVE_TESTS], [test x"$use_exhaustive_tests" != x"no"])
+AM_CONDITIONAL([USE_BENCHMARK], [test x"$use_benchmark" = x"yes"])
+AM_CONDITIONAL([USE_ECMULT_STATIC_PRECOMPUTATION], [test x"$set_precomp" = x"yes"])
+AM_CONDITIONAL([ENABLE_MODULE_ECDH], [test x"$enable_module_ecdh" = x"yes"])
+AM_CONDITIONAL([ENABLE_MODULE_RECOVERY], [test x"$enable_module_recovery" = x"yes"])
+AM_CONDITIONAL([USE_JNI], [test x"$use_jni" = x"yes"])
+AM_CONDITIONAL([USE_EXTERNAL_ASM], [test x"$use_external_asm" = x"yes"])
+AM_CONDITIONAL([USE_ASM_ARM], [test x"$set_asm" = x"arm"])
dnl make sure nothing new is exported so that we don't break the cache
PKGCONFIG_PATH_TEMP="$PKG_CONFIG_PATH"
projects / secp256k1.git / blobdiff