91 lines
2.9 KiB
Plaintext
91 lines
2.9 KiB
Plaintext
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dnl libsecp25k1 helper checks
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AC_DEFUN([SECP_INT128_CHECK],[
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has_int128=$ac_cv_type___int128
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if test x"$has_int128" != x"yes" && test x"$set_field" = x"64bit"; then
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AC_MSG_ERROR([$set_field field support explicitly requested but is not compatible with this host])
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fi
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if test x"$has_int128" != x"yes" && test x"$set_scalar" = x"64bit"; then
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AC_MSG_ERROR([$set_scalar scalar support explicitly requested but is not compatible with this host])
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fi
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])
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dnl
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AC_DEFUN([SECP_64BIT_ASM_CHECK],[
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if test x"$host_cpu" == x"x86_64"; then
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AC_CHECK_PROG(YASM, yasm, yasm)
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else
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if test x"$set_field" = x"64bit_asm"; then
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AC_MSG_ERROR([$set_field field support explicitly requested but is not compatible with this host])
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fi
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fi
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if test x$YASM = x; then
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if test x"$set_field" = x"64bit_asm"; then
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AC_MSG_ERROR([$set_field field support explicitly requested but yasm was not found])
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fi
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has_64bit_asm=no
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else
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case x"$host_os" in
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xdarwin*)
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YASM_BINFMT=macho64
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;;
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x*-gnux32)
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YASM_BINFMT=elfx32
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;;
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*)
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YASM_BINFMT=elf64
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;;
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esac
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if $YASM -f help | grep -q $YASM_BINFMT; then
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has_64bit_asm=yes
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else
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if test x"$set_field" = x"64bit_asm"; then
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AC_MSG_ERROR([$set_field field support explicitly requested but yasm doesn't support $YASM_BINFMT format])
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fi
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AC_MSG_WARN([yasm too old for $YASM_BINFMT format])
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has_64bit_asm=no
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fi
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fi
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])
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dnl
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AC_DEFUN([SECP_OPENSSL_CHECK],[
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if test x"$use_pkgconfig" = x"yes"; then
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: #NOP
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m4_ifdef([PKG_CHECK_MODULES],[
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PKG_CHECK_MODULES([CRYPTO], [libcrypto], [has_libcrypto=yes; AC_DEFINE(HAVE_LIBCRYPTO,1,[Define this symbol if libcrypto is installed])],[has_libcrypto=no])
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: #NOP
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])
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else
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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])]
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)])
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LIBS=
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fi
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if test x"$has_libcrypto" == x"yes" && test x"$has_openssl_ec" = x; then
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AC_MSG_CHECKING(for EC functions in libcrypto)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#include <openssl/ec.h>
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#include <openssl/ecdsa.h>
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#include <openssl/obj_mac.h>]],[[
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EC_KEY *eckey = EC_KEY_new_by_curve_name(NID_secp256k1);
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ECDSA_sign(0, NULL, 0, NULL, NULL, eckey);
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ECDSA_verify(0, NULL, 0, NULL, 0, eckey);
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EC_KEY_free(eckey);
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]])],[has_openssl_ec=yes],[has_openssl_ec=no])
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AC_MSG_RESULT([$has_openssl_ec])
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fi
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])
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dnl
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AC_DEFUN([SECP_GMP_CHECK],[
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if test x"$has_gmp" != x"yes"; then
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AC_CHECK_HEADER(gmp.h,[AC_CHECK_LIB(gmp, __gmpz_init,[has_gmp=yes; GMP_LIBS=-lgmp; AC_DEFINE(HAVE_LIBGMP,1,[Define this symbol if libgmp is installed])])])
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fi
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if test x"$set_field" = x"gmp" && test x"$has_gmp" != x"yes"; then
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AC_MSG_ERROR([$set_field field support explicitly requested but libgmp was not found])
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fi
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if test x"$set_bignum" = x"gmp" && test x"$has_gmp" != x"yes"; then
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AC_MSG_ERROR([$set_bignum field support explicitly requested but libgmp was not found])
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fi
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])
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