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260 lines
6.5 KiB
260 lines
6.5 KiB
10 years ago
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AC_PREREQ([2.60])
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AC_INIT([libsecp256k1],[0.1])
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AC_CONFIG_AUX_DIR([build-aux])
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AC_CONFIG_MACRO_DIR([build-aux/m4])
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AC_CANONICAL_HOST
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AH_TOP([#ifndef LIBSECP256K1_CONFIG_H])
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AH_TOP([#define LIBSECP256K1_CONFIG_H])
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AH_BOTTOM([#endif //LIBSECP256K1_CONFIG_H])
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AM_INIT_AUTOMAKE([foreign])
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LT_INIT
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dnl make the compilation flags quiet unless V=1 is used
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m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
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PKG_PROG_PKG_CONFIG
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AC_PATH_TOOL(AR, ar)
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AC_PATH_TOOL(RANLIB, ranlib)
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AC_PATH_TOOL(STRIP, strip)
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AC_PROG_CC_C99
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if test x"$ac_cv_prog_cc_c99" == x"no"; then
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AC_MSG_ERROR([c99 compiler support required])
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fi
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case $host in
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*mingw*)
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use_pkgconfig=no
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;;
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*)
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use_pkgconfig=yes
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;;
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esac
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case $host_os in
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darwin*)
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CPPFLAGS="$CPPFLAGS -I/opt/local/include"
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LDFLAGS="$LDFLAGS -L/opt/local/lib"
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;;
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esac
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CFLAGS="$CFLAGS -W"
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warn_CFLAGS="-Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wstrict-prototypes -Wno-unused-function"
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saved_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $warn_CFLAGS"
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AC_MSG_CHECKING([if ${CC} supports ${warn_CFLAGS}])
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([[char foo;]])],
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[ AC_MSG_RESULT([yes]) ],
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[ AC_MSG_RESULT([no])
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CFLAGS="$saved_CFLAGS"
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])
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AC_ARG_ENABLE(benchmark,
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AS_HELP_STRING([--enable-benchmark],[compile benchmark (default is yes)]),
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[use_benchmark=$enableval],
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[use_benchmark=yes])
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AC_ARG_ENABLE(tests,
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AS_HELP_STRING([--enable-tests],[compile tests (default is yes)]),
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[use_tests=$enableval],
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[use_tests=yes])
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AC_ARG_ENABLE(endomorphism,
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AS_HELP_STRING([--enable-endomorphism],[enable endomorphism (default is no)]),
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[use_endomorphism=$enableval],
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[use_endomorphism=no])
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AC_ARG_WITH([field], [AS_HELP_STRING([--with-field=gmp|64bit|64bit_asm|32bit|auto],
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[Specify Field Implementation. Default is auto])],[req_field=$withval], [req_field=auto])
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AC_ARG_WITH([bignum], [AS_HELP_STRING([--with-bignum=gmp|auto],
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[Specify Bignum Implementation. Default is auto])],[req_bignum=$withval], [req_bignum=auto])
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AC_ARG_WITH([scalar], [AS_HELP_STRING([--with-scalar=64bit|32bit|auto],
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[Specify scalar implementation. Default is auto])],[req_scalar=$withval], [req_scalar=auto])
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AC_CHECK_TYPES([__int128])
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AC_CHECK_DECL(__builtin_expect,AC_DEFINE(HAVE_BUILTIN_EXPECT,1,[Define this symbol if __builtin_expect is available]),,)
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if test x"$req_field" = x"auto"; then
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SECP_64BIT_ASM_CHECK
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if test x"$has_64bit_asm" = x"yes"; then
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set_field=64bit_asm
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fi
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if test x"$set_field" = x; then
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SECP_INT128_CHECK
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if test x"$has_int128" = x"yes"; then
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set_field=64bit
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fi
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fi
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if test x"$set_field" = x; then
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SECP_GMP_CHECK
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if test x"$has_gmp" = x"yes"; then
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set_field=gmp
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fi
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fi
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if test x"$set_field" = x; then
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set_field=32bit
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fi
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else
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set_field=$req_field
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case $set_field in
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64bit_asm)
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SECP_64BIT_ASM_CHECK
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;;
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64bit)
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SECP_INT128_CHECK
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;;
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gmp)
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SECP_GMP_CHECK
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;;
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32bit)
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;;
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*)
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AC_MSG_ERROR([invalid field implementation selection])
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;;
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esac
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fi
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if test x"$req_scalar" = x"auto"; then
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if test x"$set_scalar" = x; then
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SECP_INT128_CHECK
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if test x"$has_int128" = x"yes"; then
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set_scalar=64bit
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fi
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fi
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if test x"$set_scalar" = x; then
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set_scalar=32bit
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fi
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else
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set_scalar=$req_scalar
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case $set_scalar in
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64bit)
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SECP_INT128_CHECK
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;;
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32bit)
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;;
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*)
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AC_MSG_ERROR([invalid scalar implementation selected])
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;;
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esac
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fi
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if test x"$req_bignum" = x"auto"; then
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SECP_GMP_CHECK
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if test x"$has_gmp" = x"yes"; then
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set_bignum=gmp
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fi
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if test x"$set_bignum" = x; then
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AC_MSG_ERROR([no working bignum implementation found])
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fi
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else
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set_bignum=$req_bignum
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case $set_bignum in
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gmp)
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SECP_GMP_CHECK
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;;
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openssl)
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SECP_OPENSSL_CHECK
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;;
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*)
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AC_MSG_ERROR([invalid bignum implementation selection])
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;;
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esac
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fi
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# select field implementation
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case $set_field in
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64bit_asm)
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AC_DEFINE(USE_FIELD_5X52_ASM, 1, [Define this symbol to use the assembly version for the 5x52 field implementation])
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AC_DEFINE(USE_FIELD_5X52, 1, [Define this symbol to use the FIELD_5X52 implementation])
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;;
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64bit)
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AC_DEFINE(USE_FIELD_5X52_INT128, 1, [Define this symbol to use the __int128 version for the 5x52 field implementation])
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AC_DEFINE(USE_FIELD_5X52, 1, [Define this symbol to use the FIELD_5X52 implementation])
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;;
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gmp)
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AC_DEFINE(HAVE_LIBGMP,1,[Define this symbol if libgmp is installed])
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AC_DEFINE(USE_FIELD_GMP, 1, [Define this symbol to use the FIELD_GMP implementation])
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;;
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32bit)
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AC_DEFINE(USE_FIELD_10X26, 1, [Define this symbol to use the FIELD_10X26 implementation])
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;;
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*)
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AC_MSG_ERROR([invalid field implementation])
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;;
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esac
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# select bignum implementation
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case $set_bignum in
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gmp)
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AC_DEFINE(HAVE_LIBGMP,1,[Define this symbol if libgmp is installed])
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AC_DEFINE(USE_NUM_GMP, 1, [Define this symbol to use the gmp implementation])
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AC_DEFINE(USE_FIELD_INV_NUM, 1, [Define this symbol to use the USE_FIELD_INV_NUM implementation])
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;;
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*)
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AC_MSG_ERROR([invalid bignum implementation])
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;;
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esac
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#select scalar implementation
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case $set_scalar in
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64bit)
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AC_DEFINE(USE_SCALAR_4X64, 1, [Define this symbol to use the 4x64 scalar implementation])
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;;
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32bit)
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AC_DEFINE(USE_SCALAR_8X32, 1, [Define this symbol to use the 8x32 scalar implementation])
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;;
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*)
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AC_MSG_ERROR([invalid scalar implementation])
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;;
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esac
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if test x"$use_tests" = x"yes"; then
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SECP_OPENSSL_CHECK
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if test x"$has_openssl_ec" == x"yes"; then
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AC_DEFINE(ENABLE_OPENSSL_TESTS, 1, [Define this symbol if OpenSSL EC functions are available])
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SECP_TEST_INCLUDES="$SSL_CFLAGS $CRYPTO_CFLAGS"
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SECP_TEST_LIBS="$CRYPTO_LIBS"
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case $host in
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*mingw*)
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SECP_TEST_LIBS="$SECP_TEST_LIBS -lgdi32"
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;;
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esac
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fi
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fi
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if test x"$set_field" = x"gmp" || test x"$set_bignum" = x"gmp"; then
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SECP_LIBS="$SECP_LIBS $GMP_LIBS"
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fi
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if test x"$use_endomorphism" = x"yes"; then
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AC_DEFINE(USE_ENDOMORPHISM, 1, [Define this symbol to use endomorphism])
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fi
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AC_MSG_NOTICE([Using field implementation: $set_field])
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AC_MSG_NOTICE([Using bignum implementation: $set_bignum])
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AC_MSG_NOTICE([Using scalar implementation: $set_scalar])
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AC_CONFIG_HEADERS([src/libsecp256k1-config.h])
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AC_CONFIG_FILES([Makefile libsecp256k1.pc])
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AC_SUBST(SECP_INCLUDES)
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AC_SUBST(SECP_LIBS)
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AC_SUBST(SECP_TEST_LIBS)
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AC_SUBST(SECP_TEST_INCLUDES)
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AC_SUBST(YASM_BINFMT)
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AM_CONDITIONAL([USE_ASM], [test x"$set_field" == x"64bit_asm"])
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AM_CONDITIONAL([USE_TESTS], [test x"$use_tests" != x"no"])
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AM_CONDITIONAL([USE_BENCHMARK], [test x"$use_benchmark" != x"no"])
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AC_OUTPUT
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