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Diffstat (limited to 'src/secp256k1/configure.ac')
-rw-r--r--src/secp256k1/configure.ac493
1 files changed, 493 insertions, 0 deletions
diff --git a/src/secp256k1/configure.ac b/src/secp256k1/configure.ac
new file mode 100644
index 0000000000..e5fcbcb4ed
--- /dev/null
+++ b/src/secp256k1/configure.ac
@@ -0,0 +1,493 @@
+AC_PREREQ([2.60])
+AC_INIT([libsecp256k1],[0.1])
+AC_CONFIG_AUX_DIR([build-aux])
+AC_CONFIG_MACRO_DIR([build-aux/m4])
+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 subdir-objects])
+LT_INIT
+
+dnl make the compilation flags quiet unless V=1 is used
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+
+PKG_PROG_PKG_CONFIG
+
+AC_PATH_TOOL(AR, ar)
+AC_PATH_TOOL(RANLIB, ranlib)
+AC_PATH_TOOL(STRIP, strip)
+AX_PROG_CC_FOR_BUILD
+
+if test "x$CFLAGS" = "x"; then
+ CFLAGS="-g"
+fi
+
+AM_PROG_CC_C_O
+
+AC_PROG_CC_C89
+if test x"$ac_cv_prog_cc_c89" = x"no"; then
+ AC_MSG_ERROR([c89 compiler support required])
+fi
+AM_PROG_AS
+
+case $host_os in
+ *darwin*)
+ if test x$cross_compiling != xyes; then
+ AC_PATH_PROG([BREW],brew,)
+ if test x$BREW != x; then
+ dnl These Homebrew packages may be keg-only, meaning that they won't be found
+ dnl in expected paths because they may conflict with system files. Ask
+ dnl Homebrew where each one is located, then adjust paths accordingly.
+
+ openssl_prefix=`$BREW --prefix openssl 2>/dev/null`
+ gmp_prefix=`$BREW --prefix gmp 2>/dev/null`
+ if test x$openssl_prefix != x; then
+ PKG_CONFIG_PATH="$openssl_prefix/lib/pkgconfig:$PKG_CONFIG_PATH"
+ export PKG_CONFIG_PATH
+ fi
+ if test x$gmp_prefix != x; then
+ GMP_CPPFLAGS="-I$gmp_prefix/include"
+ GMP_LIBS="-L$gmp_prefix/lib"
+ fi
+ else
+ AC_PATH_PROG([PORT],port,)
+ dnl if homebrew isn't installed and macports is, add the macports default paths
+ dnl as a last resort.
+ if test x$PORT != x; then
+ CPPFLAGS="$CPPFLAGS -isystem /opt/local/include"
+ LDFLAGS="$LDFLAGS -L/opt/local/lib"
+ fi
+ fi
+ fi
+ ;;
+esac
+
+CFLAGS="$CFLAGS -W"
+
+warn_CFLAGS="-std=c89 -pedantic -Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wstrict-prototypes -Wno-unused-function -Wno-long-long -Wno-overlength-strings"
+saved_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS $warn_CFLAGS"
+AC_MSG_CHECKING([if ${CC} supports ${warn_CFLAGS}])
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[char foo;]])],
+ [ AC_MSG_RESULT([yes]) ],
+ [ AC_MSG_RESULT([no])
+ CFLAGS="$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 no)]),
+ [use_benchmark=$enableval],
+ [use_benchmark=no])
+
+AC_ARG_ENABLE(coverage,
+ AS_HELP_STRING([--enable-coverage],[enable compiler flags to support kcov coverage analysis]),
+ [enable_coverage=$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=$enableval],
+ [use_endomorphism=no])
+
+AC_ARG_ENABLE(ecmult_static_precomputation,
+ AS_HELP_STRING([--enable-ecmult-static-precomputation],[enable precomputed ecmult table for signing (default is yes)]),
+ [use_ecmult_static_precomputation=$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 auto)]),
+ [use_jni=$enableval],
+ [use_jni=auto])
+
+AC_ARG_WITH([field], [AS_HELP_STRING([--with-field=64bit|32bit|auto],
+[Specify Field Implementation. Default is auto])],[req_field=$withval], [req_field=auto])
+
+AC_ARG_WITH([bignum], [AS_HELP_STRING([--with-bignum=gmp|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=$withval], [req_asm=auto])
+
+AC_CHECK_TYPES([__int128])
+
+AC_MSG_CHECKING([for __builtin_expect])
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[void myfunc() {__builtin_expect(0,0);}]])],
+ [ AC_MSG_RESULT([yes]);AC_DEFINE(HAVE_BUILTIN_EXPECT,1,[Define this symbol if __builtin_expect is available]) ],
+ [ AC_MSG_RESULT([no])
+ ])
+
+if test x"$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"$use_ecmult_static_precomputation" != x"no"; then
+ save_cross_compiling=$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"$has_64bit_asm" = x"yes"; then
+ set_asm=x86_64
+ fi
+ if test x"$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
+ set_field=32bit
+ fi
+else
+ set_field=$req_field
+ case $set_field in
+ 64bit)
+ if test x"$set_asm" != x"x86_64"; then
+ SECP_INT128_CHECK
+ if test x"$has_int128" != x"yes"; then
+ AC_MSG_ERROR([64bit field explicitly requested but neither __int128 support or x86_64 assembly available])
+ fi
+ fi
+ ;;
+ 32bit)
+ ;;
+ *)
+ AC_MSG_ERROR([invalid field implementation selection])
+ ;;
+ esac
+fi
+
+if test x"$req_scalar" = x"auto"; then
+ 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
+ fi
+else
+ set_scalar=$req_scalar
+ 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)
+ ;;
+ *)
+ AC_MSG_ERROR([invalid scalar implementation selected])
+ ;;
+ esac
+fi
+
+if test x"$req_bignum" = x"auto"; then
+ SECP_GMP_CHECK
+ if test x"$has_gmp" = x"yes"; then
+ set_bignum=gmp
+ fi
+
+ if test x"$set_bignum" = x; then
+ set_bignum=no
+ fi
+else
+ set_bignum=$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
+ ;;
+ 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)
+ AC_DEFINE(USE_FIELD_5X52, 1, [Define this symbol to use the FIELD_5X52 implementation])
+ ;;
+32bit)
+ AC_DEFINE(USE_FIELD_10X26, 1, [Define this symbol to use the FIELD_10X26 implementation])
+ ;;
+*)
+ AC_MSG_ERROR([invalid field implementation])
+ ;;
+esac
+
+# select bignum implementation
+case $set_bignum in
+gmp)
+ AC_DEFINE(HAVE_LIBGMP, 1, [Define this symbol if libgmp is installed])
+ AC_DEFINE(USE_NUM_GMP, 1, [Define this symbol to use the gmp implementation for num])
+ 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])
+ ;;
+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])
+ ;;
+*)
+ AC_MSG_ERROR([invalid bignum implementation])
+ ;;
+esac
+
+#select scalar implementation
+case $set_scalar in
+64bit)
+ AC_DEFINE(USE_SCALAR_4X64, 1, [Define this symbol to use the 4x64 scalar implementation])
+ ;;
+32bit)
+ AC_DEFINE(USE_SCALAR_8X32, 1, [Define this symbol to use the 8x32 scalar implementation])
+ ;;
+*)
+ AC_MSG_ERROR([invalid scalar implementation])
+ ;;
+esac
+
+if test x"$use_tests" = x"yes"; then
+ SECP_OPENSSL_CHECK
+ 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_bignum" = x"gmp"; then
+ SECP_LIBS="$SECP_LIBS $GMP_LIBS"
+ SECP_INCLUDES="$SECP_INCLUDES $GMP_CPPFLAGS"
+fi
+
+if test x"$use_endomorphism" = x"yes"; then
+ 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 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"$set_asm" = x"arm"; then
+ AC_MSG_ERROR([ARM assembly optimization is experimental. Use --enable-experimental to allow.])
+ fi
+fi
+
+AC_CONFIG_HEADERS([src/libsecp256k1-config.h])
+AC_CONFIG_FILES([Makefile libsecp256k1.pc])
+AC_SUBST(JNI_INCLUDES)
+AC_SUBST(SECP_INCLUDES)
+AC_SUBST(SECP_LIBS)
+AC_SUBST(SECP_TEST_LIBS)
+AC_SUBST(SECP_TEST_INCLUDES)
+AM_CONDITIONAL([ENABLE_COVERAGE], [test x"$enable_coverage" = x"yes"])
+AM_CONDITIONAL([USE_TESTS], [test x"$use_tests" != x"no"])
+AM_CONDITIONAL([USE_EXHAUSTIVE_TESTS], [test x"$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"
+unset PKG_CONFIG_PATH
+PKG_CONFIG_PATH="$PKGCONFIG_PATH_TEMP"
+
+AC_OUTPUT