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configure.ac
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configure.ac
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dnl require autoconf 2.60 (AS_ECHO/AS_ECHO_N)
AC_PREREQ([2.60])
define(_CLIENT_VERSION_MAJOR, 4)
define(_CLIENT_VERSION_MINOR, 1)
define(_CLIENT_VERSION_REVISION, 6)
define(_CLIENT_VERSION_BUILD, 0)
define(_CLIENT_VERSION_RC, 0)
define(_CLIENT_VERSION_IS_RELEASE, true)
define(_COPYRIGHT_YEAR, 2024)
define(_COPYRIGHT_HOLDERS,[The %s developers])
define(_COPYRIGHT_HOLDERS_SUBSTITUTION,[[DeFi Blockchain]])
AC_INIT([DeFi Blockchain],m4_join([.], _CLIENT_VERSION_MAJOR, _CLIENT_VERSION_MINOR, _CLIENT_VERSION_REVISION, m4_if(_CLIENT_VERSION_BUILD, [0], [], _CLIENT_VERSION_BUILD))m4_if(_CLIENT_VERSION_RC, [0], [], [rc]_CLIENT_VERSION_RC),[https://github.com/defich/ain/issues],[defi],[https://defichain.io/])
AC_CONFIG_SRCDIR([src/validation.cpp])
AC_CONFIG_HEADERS([src/config/defi-config.h])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([build-aux/m4])
DEFI_DAEMON_NAME=defid
DEFI_CLI_NAME=defi-cli
DEFI_TX_NAME=defi-tx
dnl Unless the user specified ARFLAGS, force it to be cr
AC_ARG_VAR(ARFLAGS, [Flags for the archiver, defaults to <cr> if not set])
if test "x${ARFLAGS+set}" != "xset"; then
ARFLAGS="cr"
fi
AC_CANONICAL_HOST
AH_TOP([#ifndef DEFI_CONFIG_H])
AH_TOP([#define DEFI_CONFIG_H])
AH_BOTTOM([#endif //DEFI_CONFIG_H])
dnl faketime breaks configure and is only needed for make. Disable it here.
unset FAKETIME
dnl Automake init set-up and checks
AM_INIT_AUTOMAKE([no-define subdir-objects foreign])
dnl faketime messes with timestamps and causes configure to be re-run.
dnl --disable-maintainer-mode can be used to bypass this.
AM_MAINTAINER_MODE([enable])
dnl make the compilation flags quiet unless V=1 is used
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
dnl Compiler checks (here before libtool).
if test "x${CXXFLAGS+set}" = "xset"; then
CXXFLAGS_overridden=yes
else
CXXFLAGS_overridden=no
fi
AC_PROG_CXX
dnl By default, libtool for mingw refuses to link static libs into a dll for
dnl fear of mixing pic/non-pic objects, and import/export complications. Since
dnl we have those under control, re-enable that functionality.
case $host in
*mingw*)
lt_cv_deplibs_check_method="pass_all"
;;
esac
dnl Require C++17 compiler (no GNU extensions)
AX_CXX_COMPILE_STDCXX([17], [noext], [mandatory])
dnl Check if -latomic is required for <std::atomic>
CHECK_ATOMIC
dnl Unless the user specified OBJCXX, force it to be the same as CXX. This ensures
dnl that we get the same -std flags for both.
m4_ifdef([AC_PROG_OBJCXX],[
if test "x${OBJCXX+set}" = "x"; then
OBJCXX="${CXX}"
fi
AC_PROG_OBJCXX
])
dnl Libtool init checks.
LT_INIT([pic-only])
dnl Check/return PATH for base programs.
AC_PATH_TOOL(AR, ar)
AC_PATH_TOOL(RANLIB, ranlib)
AC_PATH_TOOL(STRIP, strip)
dnl Python 3.5 is specified in .python-version and should be used if available, see doc/dependencies.md
AC_PATH_PROGS([PYTHON], [python3.5 python3.6 python3.7 python3.8 python3 python])
AC_PATH_PROG([GIT], [git])
AC_PATH_PROG(CCACHE,ccache)
AC_PATH_PROG(HEXDUMP, hexdump)
AC_PATH_TOOL(READELF, readelf)
AC_PATH_TOOL(CPPFILT, c++filt)
AC_PATH_TOOL(OBJCOPY, objcopy)
AC_PATH_PROG(DOXYGEN, doxygen)
if test -z "$DOXYGEN"; then
AC_MSG_WARN([Doxygen not found])
fi
AM_CONDITIONAL([HAVE_DOXYGEN], [test -n "$DOXYGEN"])
dnl Rust toolchain checks
AC_PATH_PROG([RUSTC], [rustc], [no])
AS_IF([test "$RUSTC" = "no"], [AC_MSG_ERROR([Rust toolchain with rustc is required])])
AC_PATH_PROG([CARGO], [cargo], [no])
AS_IF([test "$CARGO" = "no"], [AC_MSG_ERROR([Rust toolchain with cargo is required])])
AC_ARG_VAR(PYTHONPATH, Augments the default search path for python module files)
AC_ARG_ENABLE([wallet],
[AS_HELP_STRING([--disable-wallet],
[disable wallet (enabled by default)])],
[enable_wallet=$enableval],
[enable_wallet=yes])
AC_ARG_WITH([miniupnpc],
[AS_HELP_STRING([--with-miniupnpc],
[enable UPNP (default is yes if libminiupnpc is found)])],
[use_upnp=$withval],
[use_upnp=auto])
AC_ARG_ENABLE([upnp-default],
[AS_HELP_STRING([--enable-upnp-default],
[if UPNP is enabled, turn it on at startup (default is no)])],
[use_upnp_default=$enableval],
[use_upnp_default=no])
AC_ARG_ENABLE(tests,
AS_HELP_STRING([--disable-tests],[do not compile tests (default is to compile)]),
[use_tests=$enableval],
[use_tests=yes])
AC_ARG_WITH([rapidcheck],
[AS_HELP_STRING([--with-rapidcheck],
[enable RapidCheck property-based tests (default is yes if librapidcheck is found)])],
[use_rapidcheck=$withval],
[use_rapidcheck=auto])
AC_ARG_ENABLE(bench,
AS_HELP_STRING([--disable-bench],[do not compile benchmarks (default is to compile)]),
[use_bench=$enableval],
[use_bench=yes])
AC_ARG_ENABLE([extended-functional-tests],
AS_HELP_STRING([--enable-extended-functional-tests],[enable expensive functional tests]),
[use_extended_functional_tests=$enableval],
[use_extended_functional_tests=no])
AC_ARG_ENABLE([fuzz],
AS_HELP_STRING([--enable-fuzz],
[enable building of fuzz targets (default no). enabling this will disable all other targets]),
[enable_fuzz=$enableval],
[enable_fuzz=no])
AC_ARG_ENABLE([hardening],
[AS_HELP_STRING([--disable-hardening],
[do not attempt to harden the resulting executables (default is to harden when possible)])],
[use_hardening=$enableval],
[use_hardening=auto])
AC_ARG_ENABLE([reduce-exports],
[AS_HELP_STRING([--enable-reduce-exports],
[attempt to reduce exported symbols in the resulting executables (default is no)])],
[use_reduce_exports=$enableval],
[use_reduce_exports=no])
AC_ARG_ENABLE([ccache],
[AS_HELP_STRING([--disable-ccache],
[do not use ccache for building (default is to use if found)])],
[use_ccache=$enableval],
[use_ccache=auto])
AC_ARG_ENABLE([glibc-back-compat],
[AS_HELP_STRING([--enable-glibc-back-compat],
[enable backwards compatibility with glibc])],
[use_glibc_compat=$enableval],
[use_glibc_compat=no])
AC_ARG_ENABLE([threadlocal],
[AS_HELP_STRING([--enable-threadlocal],
[enable features that depend on the c++ thread_local keyword (currently just thread names in debug logs). (default is to enabled if there is platform support and glibc-back-compat is not enabled)])],
[use_thread_local=$enableval],
[use_thread_local=auto])
AC_ARG_ENABLE([asm],
[AS_HELP_STRING([--disable-asm],
[disable assembly routines (enabled by default)])],
[use_asm=$enableval],
[use_asm=yes])
if test "x$use_asm" = xyes; then
AC_DEFINE(USE_ASM, 1, [Define this symbol to build in assembly routines])
fi
AC_ARG_WITH([system-univalue],
[AS_HELP_STRING([--with-system-univalue],
[Build with system UniValue (default is no)])],
[system_univalue=$withval],
[system_univalue=no]
)
AC_ARG_ENABLE([zmq],
[AS_HELP_STRING([--disable-zmq],
[disable ZMQ notifications])],
[use_zmq=$enableval],
[use_zmq=yes])
# Enable debug
AC_ARG_ENABLE([debug],
[AS_HELP_STRING([--enable-debug],
[use compiler flags and macros suited for debugging (default is no)])],
[enable_debug=$enableval],
[enable_debug=no])
# Enable different -fsanitize options
AC_ARG_WITH([sanitizers],
[AS_HELP_STRING([--with-sanitizers],
[comma separated list of extra sanitizers to build with (default is none enabled)])],
[use_sanitizers=$withval])
# Enable gprof profiling
AC_ARG_ENABLE([gprof],
[AS_HELP_STRING([--enable-gprof],
[use gprof profiling compiler flags (default is no)])],
[enable_gprof=$enableval],
[enable_gprof=no])
# Turn warnings into errors
AC_ARG_ENABLE([werror],
[AS_HELP_STRING([--enable-werror],
[Treat certain compiler warnings as errors (default is no)])],
[enable_werror=$enableval],
[enable_werror=no])
AC_LANG_PUSH([C++])
AX_CHECK_COMPILE_FLAG([-Werror],[CXXFLAG_WERROR="-Werror"],[CXXFLAG_WERROR=""])
if test "x$enable_debug" = xyes; then
# Clear default -g -O2 flags
if test "x$CXXFLAGS_overridden" = xno; then
CXXFLAGS=""
fi
AC_SUBST(ENABLE_DEBUG,[1])
# Disable all optimizations
AX_CHECK_COMPILE_FLAG([-O0], [[DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -O0"]],,[[$CXXFLAG_WERROR]])
# Store frame pointer
AX_CHECK_COMPILE_FLAG([-fno-omit-frame-pointer], [[DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -fno-omit-frame-pointer"]],,[[$CXXFLAG_WERROR]])
# Prefer -g3, fall back to -g if that is unavailable.
AX_CHECK_COMPILE_FLAG(
[-g3],
[[DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -g3"]],
[AX_CHECK_COMPILE_FLAG([-g],[[DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -g"]],,[[$CXXFLAG_WERROR]])],
[[$CXXFLAG_WERROR]])
AX_CHECK_PREPROC_FLAG([-DDEBUG],[[DEBUG_CPPFLAGS="$DEBUG_CPPFLAGS -DDEBUG"]],,[[$CXXFLAG_WERROR]])
AX_CHECK_PREPROC_FLAG([-DDEBUG_LOCKORDER],[[DEBUG_CPPFLAGS="$DEBUG_CPPFLAGS -DDEBUG_LOCKORDER"]],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-ftrapv],[DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -ftrapv"],,[[$CXXFLAG_WERROR]])
fi
if test x$use_sanitizers != x; then
# First check if the compiler accepts flags. If an incompatible pair like
# -fsanitize=address,thread is used here, this check will fail. This will also
# fail if a bad argument is passed, e.g. -fsanitize=undfeined
AX_CHECK_COMPILE_FLAG(
[[-fsanitize=$use_sanitizers]],
[[SANITIZER_CXXFLAGS=-fsanitize=$use_sanitizers]],
[AC_MSG_ERROR([compiler did not accept requested flags])])
# Some compilers (e.g. GCC) require additional libraries like libasan,
# libtsan, libubsan, etc. Make sure linking still works with the sanitize
# flag. This is a separate check so we can give a better error message when
# the sanitize flags are supported by the compiler but the actual sanitizer
# libs are missing.
AX_CHECK_LINK_FLAG(
[[-fsanitize=$use_sanitizers]],
[[SANITIZER_LDFLAGS=-fsanitize=$use_sanitizers]],
[AC_MSG_ERROR([linker did not accept requested flags, you are missing required libraries])],
[],
[AC_LANG_PROGRAM([[
#include <cstdint>
#include <cstddef>
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { return 0; }
__attribute__((weak)) // allow for libFuzzer linking
]],[[]])])
fi
ERROR_CXXFLAGS=
if test "x$enable_werror" = "xyes"; then
if test "x$CXXFLAG_WERROR" = "x"; then
AC_MSG_ERROR("enable-werror set but -Werror is not usable")
fi
AX_CHECK_COMPILE_FLAG([-Werror=vla],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=vla"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Werror=switch],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=switch"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Werror=thread-safety-analysis],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=thread-safety-analysis"],,[[$CXXFLAG_WERROR]])
fi
# Add these warnings per default
AX_CHECK_COMPILE_FLAG([-Wall],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wall"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wformat],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wformat"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wswitch],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wswitch"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wformat-security],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wformat-security"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wrange-loop-analysis],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wrange-loop-analysis"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wuninitialized],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wuninitialized"],,[[$CXXFLAG_WERROR]])
if test "x$CXXFLAGS_overridden" = "xno"; then
AX_CHECK_COMPILE_FLAG([-Wextra],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wextra"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wvla],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wvla"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wthread-safety-analysis],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wthread-safety-analysis"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wredundant-decls],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wredundant-decls"],,[[$CXXFLAG_WERROR]])
## Some compilers (gcc) ignore unknown -Wno-* options, but warn about all
## unknown options if any other warning is produced. Test the -Wfoo case, and
## set the -Wno-foo case if it works.
AX_CHECK_COMPILE_FLAG([-Wunused-parameter],[NOWARN_CXXFLAGS="$NOWARN_CXXFLAGS -Wno-unused-parameter"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wself-assign],[NOWARN_CXXFLAGS="$NOWARN_CXXFLAGS -Wno-self-assign"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wunused-local-typedef],[NOWARN_CXXFLAGS="$NOWARN_CXXFLAGS -Wno-unused-local-typedef"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wdeprecated-register],[NOWARN_CXXFLAGS="$NOWARN_CXXFLAGS -Wno-deprecated-register"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wimplicit-fallthrough],[NOWARN_CXXFLAGS="$NOWARN_CXXFLAGS -Wno-implicit-fallthrough"],,[[$CXXFLAG_WERROR]])
fi
enable_sse42=no
enable_sse41=no
enable_avx2=no
enable_shani=no
if test "x$use_asm" = "xyes"; then
# Check for optional instruction set support. Enabling these does _not_ imply that all code will
# be compiled with them, rather that specific objects/libs may use them after checking for runtime
# compatibility.
AX_CHECK_COMPILE_FLAG([-msse4.2],[[SSE42_CXXFLAGS="-msse4.2"]],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-msse4.1],[[SSE41_CXXFLAGS="-msse4.1"]],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-mavx -mavx2],[[AVX2_CXXFLAGS="-mavx -mavx2"]],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-msse4 -msha],[[SHANI_CXXFLAGS="-msse4 -msha"]],,[[$CXXFLAG_WERROR]])
TEMP_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS $SSE42_CXXFLAGS"
AC_MSG_CHECKING(for SSE4.2 intrinsics)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <stdint.h>
#if defined(_MSC_VER)
#include <intrin.h>
#elif defined(__GNUC__) && defined(__SSE4_2__)
#include <nmmintrin.h>
#endif
]],[[
uint64_t l = 0;
l = _mm_crc32_u8(l, 0);
l = _mm_crc32_u32(l, 0);
l = _mm_crc32_u64(l, 0);
return l;
]])],
[ AC_MSG_RESULT(yes); enable_sse42=yes],
[ AC_MSG_RESULT(no)]
)
CXXFLAGS="$TEMP_CXXFLAGS"
TEMP_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS $SSE41_CXXFLAGS"
AC_MSG_CHECKING(for SSE4.1 intrinsics)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <stdint.h>
#include <immintrin.h>
]],[[
__m128i l = _mm_set1_epi32(0);
return _mm_extract_epi32(l, 3);
]])],
[ AC_MSG_RESULT(yes); enable_sse41=yes; AC_DEFINE(ENABLE_SSE41, 1, [Define this symbol to build code that uses SSE4.1 intrinsics]) ],
[ AC_MSG_RESULT(no)]
)
CXXFLAGS="$TEMP_CXXFLAGS"
TEMP_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS $AVX2_CXXFLAGS"
AC_MSG_CHECKING(for AVX2 intrinsics)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <stdint.h>
#include <immintrin.h>
]],[[
__m256i l = _mm256_set1_epi32(0);
return _mm256_extract_epi32(l, 7);
]])],
[ AC_MSG_RESULT(yes); enable_avx2=yes; AC_DEFINE(ENABLE_AVX2, 1, [Define this symbol to build code that uses AVX2 intrinsics]) ],
[ AC_MSG_RESULT(no)]
)
CXXFLAGS="$TEMP_CXXFLAGS"
TEMP_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS $SHANI_CXXFLAGS"
AC_MSG_CHECKING(for SHA-NI intrinsics)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <stdint.h>
#include <immintrin.h>
]],[[
__m128i i = _mm_set1_epi32(0);
__m128i j = _mm_set1_epi32(1);
__m128i k = _mm_set1_epi32(2);
return _mm_extract_epi32(_mm_sha256rnds2_epu32(i, i, k), 0);
]])],
[ AC_MSG_RESULT(yes); enable_shani=yes; AC_DEFINE(ENABLE_SHANI, 1, [Define this symbol to build code that uses SHA-NI intrinsics]) ],
[ AC_MSG_RESULT(no)]
)
CXXFLAGS="$TEMP_CXXFLAGS"
# ARM
AX_CHECK_COMPILE_FLAG([-march=armv8-a+crc+crypto],[[ARM_CRC_CXXFLAGS="-march=armv8-a+crc+crypto"]],,[[$CXXFLAG_WERROR]])
TEMP_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS $ARM_CRC_CXXFLAGS"
AC_MSG_CHECKING(for AArch64 CRC32 intrinsics)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <arm_acle.h>
#include <arm_neon.h>
]],[[
#ifdef __aarch64__
__crc32cb(0, 0); __crc32ch(0, 0); __crc32cw(0, 0); __crc32cd(0, 0);
vmull_p64(0, 0);
#else
#error "crc32c library does not support hardware acceleration on 32-bit ARM"
#endif
]])],
[ AC_MSG_RESULT(yes); enable_arm_crc=yes; AC_DEFINE(ENABLE_ARM_CRC, 1, [Define this symbol to build code that uses ARM CRC intrinsics]) ],
[ AC_MSG_RESULT(no)]
)
CXXFLAGS="$TEMP_CXXFLAGS"
fi
CPPFLAGS="$CPPFLAGS -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS"
AC_ARG_WITH([utils],
[AS_HELP_STRING([--with-utils],
[build defi-cli defi-tx (default=yes)])],
[build_defi_utils=$withval],
[build_defi_utils=yes])
AC_ARG_ENABLE([util-cli],
[AS_HELP_STRING([--enable-util-cli],
[build defi-cli])],
[build_defi_cli=$enableval],
[build_defi_cli=$build_defi_utils])
AC_ARG_ENABLE([util-tx],
[AS_HELP_STRING([--enable-util-tx],
[build defi-tx])],
[build_defi_tx=$enableval],
[build_defi_tx=$build_defi_utils])
AC_ARG_ENABLE([util-wallet],
[AS_HELP_STRING([--enable-util-wallet],
[build defi-wallet])],
[build_defi_wallet=$enableval],
[build_defi_wallet=$build_defi_utils])
AC_ARG_WITH([libs],
[AS_HELP_STRING([--with-libs],
[build libraries (default=yes)])])
AC_ARG_WITH([daemon],
[AS_HELP_STRING([--with-daemon],
[build defid daemon (default=yes)])],
[build_defid=$withval],
[build_defid=yes])
use_pkgconfig=yes
case $host in
*mingw*)
#pkgconfig does more harm than good with MinGW
use_pkgconfig=no
TARGET_OS=windows
AC_CHECK_LIB([mingwthrd], [main],, AC_MSG_ERROR(libmingwthrd missing))
AC_CHECK_LIB([kernel32], [main],, AC_MSG_ERROR(libkernel32 missing))
AC_CHECK_LIB([user32], [main],, AC_MSG_ERROR(libuser32 missing))
AC_CHECK_LIB([gdi32], [main],, AC_MSG_ERROR(libgdi32 missing))
AC_CHECK_LIB([comdlg32], [main],, AC_MSG_ERROR(libcomdlg32 missing))
AC_CHECK_LIB([winspool], [main],, AC_MSG_ERROR(libwinspool missing))
AC_CHECK_LIB([winmm], [main],, AC_MSG_ERROR(libwinmm missing))
AC_CHECK_LIB([shell32], [main],, AC_MSG_ERROR(libshell32 missing))
AC_CHECK_LIB([comctl32], [main],, AC_MSG_ERROR(libcomctl32 missing))
AC_CHECK_LIB([ole32], [main],, AC_MSG_ERROR(libole32 missing))
AC_CHECK_LIB([oleaut32], [main],, AC_MSG_ERROR(liboleaut32 missing))
AC_CHECK_LIB([uuid], [main],, AC_MSG_ERROR(libuuid missing))
AC_CHECK_LIB([rpcrt4], [main],, AC_MSG_ERROR(librpcrt4 missing))
AC_CHECK_LIB([advapi32], [main],, AC_MSG_ERROR(libadvapi32 missing))
AC_CHECK_LIB([ws2_32], [main],, AC_MSG_ERROR(libws2_32 missing))
AC_CHECK_LIB([mswsock], [main],, AC_MSG_ERROR(libmswsock missing))
AC_CHECK_LIB([shlwapi], [main],, AC_MSG_ERROR(libshlwapi missing))
AC_CHECK_LIB([iphlpapi], [main],, AC_MSG_ERROR(libiphlpapi missing))
AC_CHECK_LIB([crypt32], [main],, AC_MSG_ERROR(libcrypt32 missing))
AC_CHECK_LIB([bcrypt], [main],, AC_MSG_ERROR(libbcrypt missing))
AC_CHECK_LIB([ncrypt], [main],, AC_MSG_ERROR(libncrypt missing))
AC_CHECK_LIB([schannel], [main],, AC_MSG_ERROR(libschannel missing))
AC_CHECK_LIB([ntdll], [main],, AC_MSG_ERROR(libntdll missing))
# -static is interpreted by libtool, where it has a different meaning.
# In libtool-speak, it's -all-static.
AX_CHECK_LINK_FLAG([[-static]],[LIBTOOL_APP_LDFLAGS="$LIBTOOL_APP_LDFLAGS -all-static"])
AC_PATH_TOOL(WINDRES, windres, none)
if test x$WINDRES = xnone; then
AC_MSG_ERROR("windres not found")
fi
CPPFLAGS="$CPPFLAGS -D_MT -DWIN32 -D_WINDOWS -D_WIN32_WINNT=0x0601"
LEVELDB_TARGET_FLAGS="-DOS_WINDOWS"
if test "x$CXXFLAGS_overridden" = "xno"; then
CXXFLAGS="$CXXFLAGS -w"
fi
case $host in
i?86-*) WINDOWS_BITS=32 ;;
x86_64-*) WINDOWS_BITS=64 ;;
*) AC_MSG_ERROR("Could not determine win32/win64 for installer") ;;
esac
AC_SUBST(WINDOWS_BITS)
dnl libtool insists upon adding -nostdlib and a list of objects/libs to link against.
dnl That breaks our ability to build dll's with static libgcc/libstdc++/libssp. Override
dnl its command here, with the predeps/postdeps removed, and -static inserted. Postdeps are
dnl also overridden to prevent their insertion later.
dnl This should only affect dll's.
archive_cmds_CXX="\$CC -shared \$libobjs \$deplibs \$compiler_flags -static -o \$output_objdir/\$soname \${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker \$lib"
postdeps_CXX=
;;
*darwin*)
TARGET_OS=darwin
LEVELDB_TARGET_FLAGS="-DOS_MACOSX"
if test x$cross_compiling != xyes; then
BUILD_OS=darwin
AC_PATH_PROGS([RSVG_CONVERT], [rsvg-convert rsvg],rsvg-convert)
AC_CHECK_PROG([BREW],brew, brew)
if test x$BREW = xbrew; then
dnl These Homebrew packages may be keg-only, meaning that they won't be found
dnl in expected paths because they may conflict with system files. Ask
dnl Homebrew where each one is located, then adjust paths accordingly.
dnl It's safe to add these paths even if the functionality is disabled by
dnl the user (--without-wallet for example).
bdb_prefix=`$BREW --prefix berkeley-db4 2>/dev/null`
if test x$bdb_prefix != x; then
CPPFLAGS="$CPPFLAGS -I$bdb_prefix/include"
LIBS="$LIBS -L$bdb_prefix/lib"
fi
fi
else
case $build_os in
*darwin*)
BUILD_OS=darwin
;;
*)
AC_PATH_TOOL([INSTALLNAMETOOL], [install_name_tool], install_name_tool)
AC_PATH_TOOL([OTOOL], [otool], otool)
AC_PATH_PROGS([GENISOIMAGE], [genisoimage mkisofs],genisoimage)
AC_PATH_PROGS([RSVG_CONVERT], [rsvg-convert rsvg],rsvg-convert)
AC_PATH_PROGS([IMAGEMAGICK_CONVERT], [convert],convert)
AC_PATH_PROGS([TIFFCP], [tiffcp],tiffcp)
dnl libtool will try to strip the static lib, which is a problem for
dnl cross-builds because strip attempts to call a hard-coded ld,
dnl which may not exist in the path. Stripping the .a is not
dnl necessary, so just disable it.
old_striplib=
;;
esac
fi
AX_CHECK_LINK_FLAG([[-Wl,-headerpad_max_install_names]], [LDFLAGS="$LDFLAGS -Wl,-headerpad_max_install_names"])
CPPFLAGS="$CPPFLAGS -DMAC_OSX -DOBJC_OLD_DISPATCH_PROTOTYPES=0"
OBJCXXFLAGS="$CXXFLAGS"
;;
*android*)
dnl make sure android stays above linux for hosts like *linux-android*
LEVELDB_TARGET_FLAGS="-DOS_ANDROID"
;;
*linux*)
TARGET_OS=linux
LEVELDB_TARGET_FLAGS="-DOS_LINUX"
;;
*)
AC_MSG_ERROR(Cannot build leveldb for $host. Please file a bug report.)
;;
esac
if test x$use_pkgconfig = xyes; then
m4_ifndef([PKG_PROG_PKG_CONFIG], [AC_MSG_ERROR(PKG_PROG_PKG_CONFIG macro not found. Please install pkg-config and re-run autogen.sh.)])
m4_ifdef([PKG_PROG_PKG_CONFIG], [
PKG_PROG_PKG_CONFIG
if test x"$PKG_CONFIG" = "x"; then
AC_MSG_ERROR(pkg-config not found.)
fi
])
fi
if test x$use_extended_functional_tests != xno; then
AC_SUBST(EXTENDED_FUNCTIONAL_TESTS, --extended)
fi
dnl Check for endianness
AC_C_BIGENDIAN
dnl Check for pthread compile/link requirements
AX_PTHREAD
# The following macro will add the necessary defines to defi-config.h, but
# they also need to be passed down to any subprojects. Pull the results out of
# the cache and add them to CPPFLAGS.
AC_SYS_LARGEFILE
# detect POSIX or GNU variant of strerror_r
AC_FUNC_STRERROR_R
if test x$ac_cv_sys_file_offset_bits != x &&
test x$ac_cv_sys_file_offset_bits != xno &&
test x$ac_cv_sys_file_offset_bits != xunknown; then
CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits"
fi
if test x$ac_cv_sys_large_files != x &&
test x$ac_cv_sys_large_files != xno &&
test x$ac_cv_sys_large_files != xunknown; then
CPPFLAGS="$CPPFLAGS -D_LARGE_FILES=$ac_cv_sys_large_files"
fi
AX_CHECK_LINK_FLAG([[-Wl,--large-address-aware]], [LDFLAGS="$LDFLAGS -Wl,--large-address-aware"])
AX_GCC_FUNC_ATTRIBUTE([visibility])
AX_GCC_FUNC_ATTRIBUTE([dllexport])
AX_GCC_FUNC_ATTRIBUTE([dllimport])
if test x$use_glibc_compat != xno; then
#glibc absorbed clock_gettime in 2.17. librt (its previous location) is safe to link
#in anyway for back-compat.
AC_CHECK_LIB([rt],[clock_gettime],, AC_MSG_ERROR(librt missing))
#__fdelt_chk's params and return type have changed from long unsigned int to long int.
# See which one is present here.
AC_MSG_CHECKING(__fdelt_chk type)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef _FORTIFY_SOURCE
#undef _FORTIFY_SOURCE
#endif
#define _FORTIFY_SOURCE 2
#include <sys/select.h>
extern "C" long unsigned int __fdelt_warn(long unsigned int);]],[[]])],
[ fdelt_type="long unsigned int"],
[ fdelt_type="long int"])
AC_MSG_RESULT($fdelt_type)
AC_DEFINE_UNQUOTED(FDELT_TYPE, $fdelt_type,[parameter and return value type for __fdelt_chk])
AX_CHECK_LINK_FLAG([[-Wl,--wrap=__divmoddi4]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=__divmoddi4"])
AX_CHECK_LINK_FLAG([[-Wl,--wrap=log2f]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=log2f"])
else
AC_SEARCH_LIBS([clock_gettime],[rt])
fi
if test "x$enable_gprof" = xyes; then
dnl -pg is incompatible with -pie. Since hardening and profiling together doesn't make sense,
dnl we simply make them mutually exclusive here. Additionally, hardened toolchains may force
dnl -pie by default, in which case it needs to be turned off with -no-pie.
if test x$use_hardening = xyes; then
AC_MSG_ERROR(gprof profiling is not compatible with hardening. Reconfigure with --disable-hardening or --disable-gprof)
fi
use_hardening=no
AX_CHECK_COMPILE_FLAG([-pg],[GPROF_CXXFLAGS="-pg"],
[AC_MSG_ERROR(gprof profiling requested but not available)], [[$CXXFLAG_WERROR]])
AX_CHECK_LINK_FLAG([[-no-pie]], [GPROF_LDFLAGS="-no-pie"])
AX_CHECK_LINK_FLAG([[-pg]],[GPROF_LDFLAGS="$GPROF_LDFLAGS -pg"],
[AC_MSG_ERROR(gprof profiling requested but not available)], [[$GPROF_LDFLAGS]])
fi
if test x$TARGET_OS != xwindows; then
# All windows code is PIC, forcing it on just adds useless compile warnings
AX_CHECK_COMPILE_FLAG([-fPIC],[PIC_FLAGS="-fPIC"])
fi
# All versions of gcc that we commonly use for building are subject to bug
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90348. To work around that, set
# -fstack-reuse=none for all gcc builds. (Only gcc understands this flag)
AX_CHECK_COMPILE_FLAG([-fstack-reuse=none],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fstack-reuse=none"])
if test x$use_hardening != xno; then
use_hardening=yes
AX_CHECK_COMPILE_FLAG([-Wstack-protector],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -Wstack-protector"])
AX_CHECK_COMPILE_FLAG([-fstack-protector-all],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fstack-protector-all"])
AX_CHECK_PREPROC_FLAG([-D_FORTIFY_SOURCE=2],[
AX_CHECK_PREPROC_FLAG([-U_FORTIFY_SOURCE],[
HARDENED_CPPFLAGS="$HARDENED_CPPFLAGS -U_FORTIFY_SOURCE"
])
HARDENED_CPPFLAGS="$HARDENED_CPPFLAGS -D_FORTIFY_SOURCE=2"
])
AX_CHECK_LINK_FLAG([[-Wl,--dynamicbase]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,--dynamicbase"])
AX_CHECK_LINK_FLAG([[-Wl,--nxcompat]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,--nxcompat"])
AX_CHECK_LINK_FLAG([[-Wl,--high-entropy-va]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,--high-entropy-va"])
AX_CHECK_LINK_FLAG([[-Wl,-z,relro]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,-z,relro"])
AX_CHECK_LINK_FLAG([[-Wl,-z,now]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,-z,now"])
AX_CHECK_LINK_FLAG([[-fPIE -pie]], [PIE_FLAGS="-fPIE"; HARDENED_LDFLAGS="$HARDENED_LDFLAGS -pie"],, [[$CXXFLAG_WERROR]])
case $host in
*mingw*)
AC_CHECK_LIB([ssp], [main],, AC_MSG_ERROR(libssp missing))
;;
esac
fi
dnl this flag screws up non-darwin gcc even when the check fails. special-case it.
if test x$TARGET_OS = xdarwin; then
AX_CHECK_LINK_FLAG([[-Wl,-dead_strip]], [LDFLAGS="$LDFLAGS -Wl,-dead_strip"])
fi
AC_CHECK_HEADERS([endian.h sys/endian.h byteswap.h stdio.h stdlib.h unistd.h strings.h sys/types.h sys/stat.h sys/select.h sys/prctl.h])
AC_CHECK_DECLS([getifaddrs, freeifaddrs],,,
[#include <sys/types.h>
#include <ifaddrs.h>]
)
AC_CHECK_DECLS([strnlen])
dnl These are used for daemonization in bitcoind
AC_CHECK_DECLS([fork])
AC_CHECK_DECLS([setsid])
AC_CHECK_DECLS([le16toh, le32toh, le64toh, htole16, htole32, htole64, be16toh, be32toh, be64toh, htobe16, htobe32, htobe64],,,
[#if HAVE_ENDIAN_H
#include <endian.h>
#elif HAVE_SYS_ENDIAN_H
#include <sys/endian.h>
#endif])
AC_CHECK_DECLS([bswap_16, bswap_32, bswap_64],,,
[#if HAVE_BYTESWAP_H
#include <byteswap.h>
#endif])
AC_CHECK_DECLS([__builtin_clz, __builtin_clzl, __builtin_clzll])
dnl Check for malloc_info (for memory statistics information in getmemoryinfo)
AC_MSG_CHECKING(for getmemoryinfo)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],
[[ int f = malloc_info(0, NULL); ]])],
[ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_MALLOC_INFO, 1,[Define this symbol if you have malloc_info]) ],
[ AC_MSG_RESULT(no)]
)
dnl Check for mallopt(M_ARENA_MAX) (to set glibc arenas)
AC_MSG_CHECKING(for mallopt M_ARENA_MAX)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],
[[ mallopt(M_ARENA_MAX, 1); ]])],
[ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_MALLOPT_ARENA_MAX, 1,[Define this symbol if you have mallopt with M_ARENA_MAX]) ],
[ AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING([for visibility attribute])
AC_LINK_IFELSE([AC_LANG_SOURCE([
int foo_def( void ) __attribute__((visibility("default")));
int main(){}
])],
[
AC_DEFINE(HAVE_VISIBILITY_ATTRIBUTE,1,[Define if the visibility attribute is supported.])
AC_MSG_RESULT(yes)
],
[
AC_MSG_RESULT(no)
if test x$use_reduce_exports = xyes; then
AC_MSG_ERROR([Cannot find a working visibility attribute. Use --disable-reduce-exports.])
fi
]
)
if test "x$use_thread_local" = xyes || { test "x$use_thread_local" = xauto && test "x$use_glibc_compat" = xno; }; then
TEMP_LDFLAGS="$LDFLAGS"
LDFLAGS="$TEMP_LDFLAGS $PTHREAD_CFLAGS"
AC_MSG_CHECKING([for thread_local support])
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <thread>
static thread_local int foo = 0;
static void run_thread() { foo++;}
int main(){
for(int i = 0; i < 10; i++) { std::thread(run_thread).detach();}
return foo;
}
])],
[
case $host in
*mingw*)
# mingw32's implementation of thread_local has also been shown to behave
# erroneously under concurrent usage; see:
# https://gist.github.com/jamesob/fe9a872051a88b2025b1aa37bfa98605
AC_MSG_RESULT(no)
;;
*darwin*)
# TODO enable thread_local on later versions of Darwin where it is
# supported (per https://stackoverflow.com/a/29929949)
AC_MSG_RESULT(no)
;;
*)
AC_DEFINE(HAVE_THREAD_LOCAL,1,[Define if thread_local is supported.])
AC_MSG_RESULT(yes)
;;
esac
],
[
AC_MSG_RESULT(no)
]
)
LDFLAGS="$TEMP_LDFLAGS"
fi
dnl check for gmtime_r(), fallback to gmtime_s() if that is unavailable
dnl fail if neither are available.
AC_MSG_CHECKING(for gmtime_r)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <ctime>]],
[[ gmtime_r((const time_t *) nullptr, (struct tm *) nullptr); ]])],
[ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_GMTIME_R, 1, [Define this symbol if gmtime_r is available]) ],
[ AC_MSG_RESULT(no);
AC_MSG_CHECKING(for gmtime_s);
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <ctime>]],
[[ gmtime_s((struct tm *) nullptr, (const time_t *) nullptr); ]])],
[ AC_MSG_RESULT(yes)],
[ AC_MSG_RESULT(no); AC_MSG_ERROR(Both gmtime_r and gmtime_s are unavailable) ]
)
]
)
dnl Check for different ways of gathering OS randomness
AC_MSG_CHECKING(for Linux getrandom syscall)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>
#include <sys/syscall.h>
#include <linux/random.h>]],
[[ syscall(SYS_getrandom, nullptr, 32, 0); ]])],
[ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SYS_GETRANDOM, 1,[Define this symbol if the Linux getrandom system call is available]) ],
[ AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING(for getentropy)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]],
[[ getentropy(nullptr, 32) ]])],
[ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_GETENTROPY, 1,[Define this symbol if the BSD getentropy system call is available]) ],
[ AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING(for getentropy via random.h)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>
#include <sys/random.h>]],
[[ getentropy(nullptr, 32) ]])],
[ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_GETENTROPY_RAND, 1,[Define this symbol if the BSD getentropy system call is available with sys/random.h]) ],
[ AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING(for sysctl KERN_ARND)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <sys/sysctl.h>]],
[[ static const int name[2] = {CTL_KERN, KERN_ARND};
sysctl(name, 2, nullptr, nullptr, nullptr, 0); ]])],
[ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SYSCTL_ARND, 1,[Define this symbol if the BSD sysctl(KERN_ARND) is available]) ],
[ AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING(for if type char equals int8_t)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdint.h>
#include <type_traits>]],
[[ static_assert(std::is_same<int8_t, char>::value, ""); ]])],
[ AC_MSG_RESULT(yes); AC_DEFINE(CHAR_EQUALS_INT8, 1,[Define this symbol if type char equals int8_t]) ],
[ AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING(for fdatasync)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]],
[[ fdatasync(0); ]])],
[ AC_MSG_RESULT(yes); HAVE_FDATASYNC=1 ],
[ AC_MSG_RESULT(no); HAVE_FDATASYNC=0 ]
)
AC_DEFINE_UNQUOTED([HAVE_FDATASYNC], [$HAVE_FDATASYNC], [Define to 1 if fdatasync is available.])
AC_MSG_CHECKING(for F_FULLFSYNC)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <fcntl.h>]],
[[ fcntl(0, F_FULLFSYNC, 0); ]])],
[ AC_MSG_RESULT(yes); HAVE_FULLFSYNC=1 ],
[ AC_MSG_RESULT(no); HAVE_FULLFSYNC=0 ]
)
AC_MSG_CHECKING(for O_CLOEXEC)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <fcntl.h>]],
[[ open("", O_CLOEXEC); ]])],
[ AC_MSG_RESULT(yes); HAVE_O_CLOEXEC=1 ],
[ AC_MSG_RESULT(no); HAVE_O_CLOEXEC=0 ]
)
AC_DEFINE_UNQUOTED([HAVE_O_CLOEXEC], [$HAVE_O_CLOEXEC], [Define to 1 if O_CLOEXEC flag is available.])
dnl crc32c platform checks
AC_MSG_CHECKING(for __builtin_prefetch)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
char data = 0;
const char* address = &data;
__builtin_prefetch(address, 0, 0);
]])],
[ AC_MSG_RESULT(yes); HAVE_BUILTIN_PREFETCH=1 ],
[ AC_MSG_RESULT(no); HAVE_BUILTIN_PREFETCH=0 ]
)
AC_MSG_CHECKING(for _mm_prefetch)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <xmmintrin.h>]], [[
char data = 0;
const char* address = &data;
_mm_prefetch(address, _MM_HINT_NTA);
]])],
[ AC_MSG_RESULT(yes); HAVE_MM_PREFETCH=1 ],
[ AC_MSG_RESULT(no); HAVE_MM_PREFETCH=0 ]
)
AC_MSG_CHECKING(for strong getauxval support in the system headers)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/auxv.h>
]], [[
getauxval(AT_HWCAP);
]])],
[ AC_MSG_RESULT(yes); HAVE_STRONG_GETAUXVAL=1; AC_DEFINE(HAVE_STRONG_GETAUXVAL, 1, [Define this symbol to build code that uses getauxval)]) ],
[ AC_MSG_RESULT(no); HAVE_STRONG_GETAUXVAL=0 ]
)
# Check for reduced exports
if test x$use_reduce_exports = xyes; then
AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],[RE_CXXFLAGS="-fvisibility=hidden"],
[AC_MSG_ERROR([Cannot set default symbol visibility. Use --disable-reduce-exports.])])
fi
AC_MSG_CHECKING([for std::system])
AC_LINK_IFELSE(
[ AC_LANG_PROGRAM(
[[ #include <cstdlib> ]],
[[ int nErr = std::system(""); ]]
)],
[ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_STD__SYSTEM, 1, Define to 1 if you have the `std::system' function.)],
[ AC_MSG_RESULT(no) ]
)
AC_MSG_CHECKING([for ::_wsystem])
AC_LINK_IFELSE(
[ AC_LANG_PROGRAM(
[[ ]],
[[ int nErr = ::_wsystem(""); ]]
)],
[ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_WSYSTEM, 1, Define to 1 if you have the `::wsystem' function.)],
[ AC_MSG_RESULT(no) ]
)
# Define to 1 if std::system or ::wsystem (Windows) is available
AC_DEFINE([HAVE_SYSTEM], [HAVE_STD__SYSTEM || HAVE_WSYSTEM], [std::system or ::wsystem])
dnl enable-fuzz should disable all other targets
if test "x$enable_fuzz" = "xyes"; then
AC_MSG_WARN(enable-fuzz will disable all other targets)
build_defi_utils=no
build_defi_cli=no
build_defi_tx=no
build_defi_wallet=no
build_defid=no
enable_wallet=no
use_bench=no
use_upnp=no
use_zmq=no
fi
if test x$enable_wallet != xno; then
dnl Check for libdb_cxx only if wallet enabled
DEFI_FIND_BDB48
fi
dnl Check for libminiupnpc (optional)
if test x$use_upnp != xno; then
AC_CHECK_HEADERS(
[miniupnpc/miniwget.h miniupnpc/miniupnpc.h miniupnpc/upnpcommands.h miniupnpc/upnperrors.h],
[AC_CHECK_LIB([miniupnpc], [upnpDiscover], [MINIUPNPC_LIBS=-lminiupnpc], [have_miniupnpc=no])],
[have_miniupnpc=no]
)
dnl The minimum supported miniUPnPc API version is set to 10. This keeps compatibility
dnl with Ubuntu 16.04 LTS and Debian 8 libminiupnpc-dev packages.
if test x$have_miniupnpc != xno; then
AC_MSG_CHECKING([whether miniUPnPc API version is supported])
AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
@%:@include <miniupnpc/miniupnpc.h>
]], [[
#if MINIUPNPC_API_VERSION >= 10
// Everything is okay
#else
# error miniUPnPc API version is too old
#endif
]])],[
AC_MSG_RESULT(yes)
],[
AC_MSG_RESULT(no)
AC_MSG_WARN([miniUPnPc API version < 10 is unsupported, disabling UPnP support.])
have_miniupnpc=no
])
fi
fi