git / moonbite-core / src/secp256k1-zkp/build-aux/m4/bitcoin_secp.m4 · raw

dnl libsecp25k1 helper checksAC_DEFUN([SECP_INT128_CHECK],[has_int128=$ac_cv_type___int128])dnl escape "$0x" below using the m4 quadrigaph @S|@, and escape it again with a \ for the shell.AC_DEFUN([SECP_64BIT_ASM_CHECK],[AC_MSG_CHECKING(for x86_64 assembly availability)AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[  #include <stdint.h>]],[[  uint64_t a = 11, tmp;  __asm__ __volatile__("movq \@S|@0x100000000,%1; mulq %%rsi" : "+a"(a) : "S"(tmp) : "cc", "%rdx");  ]])],[has_64bit_asm=yes],[has_64bit_asm=no])AC_MSG_RESULT([$has_64bit_asm])])dnlAC_DEFUN([SECP_OPENSSL_CHECK],[  has_libcrypto=no  m4_ifdef([PKG_CHECK_MODULES],[    PKG_CHECK_MODULES([CRYPTO], [libcrypto], [has_libcrypto=yes],[has_libcrypto=no])    if test x"$has_libcrypto" = x"yes"; then      TEMP_LIBS="$LIBS"      LIBS="$LIBS $CRYPTO_LIBS"      AC_CHECK_LIB(crypto, main,[AC_DEFINE(HAVE_LIBCRYPTO,1,[Define this symbol if libcrypto is installed])],[has_libcrypto=no])      LIBS="$TEMP_LIBS"    fi  ])  if test x$has_libcrypto = xno; then    AC_CHECK_HEADER(openssl/crypto.h,[      AC_CHECK_LIB(crypto, main,[        has_libcrypto=yes        CRYPTO_LIBS=-lcrypto        AC_DEFINE(HAVE_LIBCRYPTO,1,[Define this symbol if libcrypto is installed])      ])    ])    LIBS=  fiif test x"$has_libcrypto" = x"yes" && test x"$has_openssl_ec" = x; then  AC_MSG_CHECKING(for EC functions in libcrypto)  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[    #include <openssl/ec.h>    #include <openssl/ecdsa.h>    #include <openssl/obj_mac.h>]],[[    EC_KEY *eckey = EC_KEY_new_by_curve_name(NID_secp256k1);    ECDSA_sign(0, NULL, 0, NULL, NULL, eckey);    ECDSA_verify(0, NULL, 0, NULL, 0, eckey);    EC_KEY_free(eckey);    ECDSA_SIG *sig_openssl;    sig_openssl = ECDSA_SIG_new();    ECDSA_SIG_free(sig_openssl);  ]])],[has_openssl_ec=yes],[has_openssl_ec=no])  AC_MSG_RESULT([$has_openssl_ec])fi])dnlAC_DEFUN([SECP_GMP_CHECK],[if test x"$has_gmp" != x"yes"; then  CPPFLAGS_TEMP="$CPPFLAGS"  CPPFLAGS="$GMP_CPPFLAGS $CPPFLAGS"  LIBS_TEMP="$LIBS"  LIBS="$GMP_LIBS $LIBS"  AC_CHECK_HEADER(gmp.h,[AC_CHECK_LIB(gmp, __gmpz_init,[has_gmp=yes; GMP_LIBS="$GMP_LIBS -lgmp"; AC_DEFINE(HAVE_LIBGMP,1,[Define this symbol if libgmp is installed])])])  CPPFLAGS="$CPPFLAGS_TEMP"  LIBS="$LIBS_TEMP"fi])