377 lines
11 KiB
Plaintext
377 lines
11 KiB
Plaintext
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 subdir-objects])
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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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AX_PROG_CC_FOR_BUILD
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if test "x$CFLAGS" = "x"; then
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CFLAGS="-O3 -g"
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fi
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AM_PROG_CC_C_O
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AC_PROG_CC_C89
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if test x"$ac_cv_prog_cc_c89" = x"no"; then
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AC_MSG_ERROR([c89 compiler support required])
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fi
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case $host_os in
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*darwin*)
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if test x$cross_compiling != xyes; then
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AC_PATH_PROG([BREW],brew,)
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if test x$BREW != x; then
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dnl These Homebrew packages may be keg-only, meaning that they won't be found
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dnl in expected paths because they may conflict with system files. Ask
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dnl Homebrew where each one is located, then adjust paths accordingly.
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openssl_prefix=`$BREW --prefix openssl 2>/dev/null`
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gmp_prefix=`$BREW --prefix gmp 2>/dev/null`
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if test x$openssl_prefix != x; then
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PKG_CONFIG_PATH="$openssl_prefix/lib/pkgconfig:$PKG_CONFIG_PATH"
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export PKG_CONFIG_PATH
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fi
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if test x$gmp_prefix != x; then
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GMP_CPPFLAGS="-I$gmp_prefix/include"
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GMP_LIBS="-L$gmp_prefix/lib"
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fi
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else
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AC_PATH_PROG([PORT],port,)
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dnl if homebrew isn't installed and macports is, add the macports default paths
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dnl as a last resort.
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if test x$PORT != x; then
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CPPFLAGS="$CPPFLAGS -isystem /opt/local/include"
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LDFLAGS="$LDFLAGS -L/opt/local/lib"
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fi
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fi
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fi
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;;
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esac
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CFLAGS="$CFLAGS -W"
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warn_CFLAGS="-std=c89 -pedantic -Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wstrict-prototypes -Wno-unused-function -Wno-long-long -Wno-overlength-strings"
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saved_CFLAGS="$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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saved_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -fvisibility=hidden"
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AC_MSG_CHECKING([if ${CC} supports -fvisibility=hidden])
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([[char foo;]])],
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[ AC_MSG_RESULT([yes]) ],
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[ AC_MSG_RESULT([no])
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CFLAGS="$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 no)]),
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[use_benchmark=$enableval],
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[use_benchmark=no])
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AC_ARG_ENABLE(tests,
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AS_HELP_STRING([--enable-tests],[compile tests (default is yes)]),
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[use_tests=$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=$enableval],
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[use_endomorphism=no])
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AC_ARG_ENABLE(ecmult_static_precomputation,
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AS_HELP_STRING([--enable-ecmult-static-precomputation],[enable precomputed ecmult table for signing (default is yes)]),
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[use_ecmult_static_precomputation=$enableval],
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[use_ecmult_static_precomputation=yes])
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AC_ARG_ENABLE(module_ecdh,
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AS_HELP_STRING([--enable-module-ecdh],[enable ECDH shared secret computation (default is no)]),
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[enable_module_ecdh=$enableval],
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[enable_module_ecdh=no])
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AC_ARG_ENABLE(module_schnorr,
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AS_HELP_STRING([--enable-module-schnorr],[enable Schnorr signature module (default is no)]),
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[enable_module_schnorr=$enableval],
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[enable_module_schnorr=no])
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AC_ARG_ENABLE(module_recovery,
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AS_HELP_STRING([--enable-module-recovery],[enable ECDSA pubkey recovery module (default is no)]),
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[enable_module_recovery=$enableval],
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[enable_module_recovery=no])
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AC_ARG_WITH([field], [AS_HELP_STRING([--with-field=64bit|32bit|auto],
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[Specify Field Implementation. Default is auto])],[req_field=$withval], [req_field=auto])
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AC_ARG_WITH([bignum], [AS_HELP_STRING([--with-bignum=gmp|no|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_ARG_WITH([asm], [AS_HELP_STRING([--with-asm=x86_64|no|auto]
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[Specify assembly optimizations to use. Default is auto])],[req_asm=$withval], [req_asm=auto])
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AC_CHECK_TYPES([__int128])
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AC_MSG_CHECKING([for __builtin_expect])
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([[void myfunc() {__builtin_expect(0,0);}]])],
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[ AC_MSG_RESULT([yes]);AC_DEFINE(HAVE_BUILTIN_EXPECT,1,[Define this symbol if __builtin_expect is available]) ],
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[ AC_MSG_RESULT([no])
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])
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if test x"$req_asm" = x"auto"; then
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SECP_64BIT_ASM_CHECK
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if test x"$has_64bit_asm" = x"yes"; then
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set_asm=x86_64
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fi
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if test x"$set_asm" = x; then
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set_asm=no
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fi
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else
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set_asm=$req_asm
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case $set_asm in
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x86_64)
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SECP_64BIT_ASM_CHECK
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if test x"$has_64bit_asm" != x"yes"; then
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AC_MSG_ERROR([x86_64 assembly optimization requested but not available])
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fi
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;;
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no)
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;;
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*)
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AC_MSG_ERROR([invalid assembly optimization selection])
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;;
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esac
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fi
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if test x"$req_field" = x"auto"; then
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if test x"set_asm" = x"x86_64"; then
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set_field=64bit
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fi
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if test x"$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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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 $set_field in
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64bit)
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if test x"$set_asm" != x"x86_64"; then
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SECP_INT128_CHECK
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if test x"$has_int128" != x"yes"; then
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AC_MSG_ERROR([64bit field explicitly requested but neither __int128 support or x86_64 assembly available])
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fi
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fi
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;;
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32bit)
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;;
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*)
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AC_MSG_ERROR([invalid field implementation selection])
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;;
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esac
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fi
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if test x"$req_scalar" = x"auto"; then
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SECP_INT128_CHECK
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if test x"$has_int128" = x"yes"; then
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set_scalar=64bit
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fi
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if test x"$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 $set_scalar in
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64bit)
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SECP_INT128_CHECK
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if test x"$has_int128" != x"yes"; then
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AC_MSG_ERROR([64bit scalar explicitly requested but __int128 support not available])
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fi
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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"$set_bignum" = x; then
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set_bignum=no
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fi
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else
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set_bignum=$req_bignum
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case $set_bignum in
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gmp)
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SECP_GMP_CHECK
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if test x"$has_gmp" != x"yes"; then
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AC_MSG_ERROR([gmp bignum explicitly requested but libgmp not available])
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fi
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;;
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no)
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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 assembly optimization
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case $set_asm in
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x86_64)
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AC_DEFINE(USE_ASM_X86_64, 1, [Define this symbol to enable x86_64 assembly optimizations])
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;;
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no)
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;;
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*)
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AC_MSG_ERROR([invalid assembly optimizations])
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;;
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esac
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# select field implementation
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case $set_field in
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64bit)
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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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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 for num])
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AC_DEFINE(USE_FIELD_INV_NUM, 1, [Define this symbol to use the num-based field inverse implementation])
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AC_DEFINE(USE_SCALAR_INV_NUM, 1, [Define this symbol to use the num-based scalar inverse implementation])
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;;
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no)
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AC_DEFINE(USE_NUM_NONE, 1, [Define this symbol to use no num implementation])
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AC_DEFINE(USE_FIELD_INV_BUILTIN, 1, [Define this symbol to use the native field inverse implementation])
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AC_DEFINE(USE_SCALAR_INV_BUILTIN, 1, [Define this symbol to use the native scalar inverse 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"$set_bignum" = x"gmp"; then
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SECP_LIBS="$SECP_LIBS $GMP_LIBS"
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SECP_INCLUDES="$SECP_INCLUDES $GMP_CPPFLAGS"
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fi
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if test x"$use_endomorphism" = x"yes"; then
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AC_DEFINE(USE_ENDOMORPHISM, 1, [Define this symbol to use endomorphism optimization])
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fi
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if test x"$use_ecmult_static_precomputation" = x"yes"; then
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AC_DEFINE(USE_ECMULT_STATIC_PRECOMPUTATION, 1, [Define this symbol to use a statically generated ecmult table])
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fi
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if test x"$enable_module_ecdh" = x"yes"; then
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AC_DEFINE(ENABLE_MODULE_ECDH, 1, [Define this symbol to enable the ECDH module])
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fi
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if test x"$enable_module_schnorr" = x"yes"; then
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AC_DEFINE(ENABLE_MODULE_SCHNORR, 1, [Define this symbol to enable the Schnorr signature module])
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fi
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if test x"$enable_module_recovery" = x"yes"; then
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AC_DEFINE(ENABLE_MODULE_RECOVERY, 1, [Define this symbol to enable the ECDSA pubkey recovery module])
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fi
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AC_C_BIGENDIAN()
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AC_MSG_NOTICE([Using assembly optimizations: $set_asm])
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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_MSG_NOTICE([Using endomorphism optimizations: $use_endomorphism])
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AC_MSG_NOTICE([Building ECDH module: $enable_module_ecdh])
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AC_MSG_NOTICE([Building Schnorr signatures module: $enable_module_schnorr])
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AC_MSG_NOTICE([Building ECDSA pubkey recovery module: $enable_module_recovery])
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AC_CONFIG_HEADERS([src/libsecp256k1-config.h])
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AC_CONFIG_FILES([Makefile libsecp256k1.pc])
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AC_SUBST(SECP_INCLUDES)
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AC_SUBST(SECP_LIBS)
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AC_SUBST(SECP_TEST_LIBS)
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AC_SUBST(SECP_TEST_INCLUDES)
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AM_CONDITIONAL([USE_TESTS], [test x"$use_tests" != x"no"])
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AM_CONDITIONAL([USE_BENCHMARK], [test x"$use_benchmark" = x"yes"])
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AM_CONDITIONAL([USE_ECMULT_STATIC_PRECOMPUTATION], [test x"$use_ecmult_static_precomputation" = x"yes"])
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AM_CONDITIONAL([ENABLE_MODULE_ECDH], [test x"$enable_module_ecdh" = x"yes"])
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AM_CONDITIONAL([ENABLE_MODULE_SCHNORR], [test x"$enable_module_schnorr" = x"yes"])
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AM_CONDITIONAL([ENABLE_MODULE_RECOVERY], [test x"$enable_module_recovery" = x"yes"])
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dnl make sure nothing new is exported so that we don't break the cache
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PKGCONFIG_PATH_TEMP="$PKG_CONFIG_PATH"
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unset PKG_CONFIG_PATH
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PKG_CONFIG_PATH="$PKGCONFIG_PATH_TEMP"
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AC_OUTPUT
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