/
configure.ac
1623 lines (1428 loc) · 57.9 KB
/
configure.ac
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dnl require autoconf 2.60 (AS_ECHO/AS_ECHO_N)
AC_PREREQ([2.60])
define(_CLIENT_VERSION_MAJOR, 7)
define(_CLIENT_VERSION_MINOR, 0)
define(_CLIENT_VERSION_REVISION, 3)
define(_CLIENT_VERSION_BUILD, 0)
define(_CLIENT_VERSION_IS_RELEASE, true)
define(_CLIENT_BUILD_IS_TEST_RELEASE, false)
define(_CLIENT_BUILD_IS_RELEASE_CANDIDATE, false)
define(_COPYRIGHT_YEAR, 2022)
define(_COPYRIGHT_HOLDERS,[The %s developers])
define(_COPYRIGHT_HOLDERS_SUBSTITUTION,[[Navcoin Core]])
AC_INIT([Navcoin Core],[_CLIENT_VERSION_MAJOR._CLIENT_VERSION_MINOR._CLIENT_VERSION_REVISION],[https://github.com/navcoin/navcoin-core/issues],[navcoin],[https://navcoin.org/])
AC_CONFIG_SRCDIR([src/main.cpp])
AC_CONFIG_HEADERS([src/config/navcoin-config.h])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([build-aux/m4])
NAVCOIN_DAEMON_NAME=navcoind
NAVCOIN_GUI_NAME=navcoin-qt
NAVCOIN_CLI_NAME=navcoin-cli
NAVCOIN_TX_NAME=navcoin-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
AC_MSG_NOTICE([------------------------------------])
AC_MSG_NOTICE([------------------------------------])
AC_MSG_NOTICE([ __ ])
AC_MSG_NOTICE([ |\ | _ / _ . _ ])
AC_MSG_NOTICE([ | \|(_|\/\__(_)|| | ])
AC_MSG_NOTICE([ ])
AC_MSG_NOTICE([ Setting up build for ])
AC_MSG_NOTICE([ $host ])
AC_MSG_NOTICE([------------------------------------])
AC_MSG_NOTICE([------------------------------------])
sleep 1
AH_TOP([#ifndef NAVCOIN_CONFIG_H])
AH_TOP([#define NAVCOIN_CONFIG_H])
AH_BOTTOM([#endif //NAVCOIN_CONFIG_H])
dnl faketime breaks configure and is only needed for make. Disable it here.
unset FAKETIME
dnl Automake init set-up and checks
AM_INIT_AUTOMAKE([1.13 no-define subdir-objects foreign tar-pax])
dnl faketime messes with timestamps and causes configure to be re-run.
dnl --disable-maintainer-mode can be used to bypass this.
AM_MAINTAINER_MODE([enable])
dnl make the compilation flags quiet unless V=1 is used
AM_SILENT_RULES([yes])
dnl Compiler checks (here before libtool).
if test "x${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 $host in
*mingw*)
lt_cv_deplibs_check_method="pass_all"
;;
esac
dnl Require C++17 compiler (no GNU extensions)
AX_CXX_COMPILE_STDCXX([17], [noext], [mandatory])
dnl Unless the user specified OBJCXX, force it to be the same as CXX. This ensures
dnl that we get the same -std flags for both.
m4_ifdef([AC_PROG_OBJCXX],[
if test "x${OBJCXX+set}" = "x"; then
OBJCXX="${CXX}"
fi
AC_PROG_OBJCXX
])
dnl Since libtool 1.5.2 (released 2004-01-25), on Linux libtool no longer
dnl sets RPATH for any directories in the dynamic linker search path.
dnl See more: https://wiki.debian.org/RpathIssue
LT_PREREQ([1.5.2])
dnl Libtool init checks.
LT_INIT([pic-only])
dnl Check/return PATH for base programs.
AC_PATH_TOOL(AR, ar)
AC_PATH_TOOL(RANLIB, ranlib)
AC_PATH_TOOL(STRIP, strip)
AC_PATH_TOOL(GCOV, gcov)
AC_PATH_PROG(LCOV, lcov)
dnl Python 3.6 is specified in .python-version and should be used if available, see doc/dependencies.md
AC_PATH_PROGS([PYTHON], [python3.6 python3.7 python3.8 python3.9, python3.10, python3 python])
AC_PATH_PROG(GENHTML, genhtml)
AC_PATH_PROG([GIT], [git])
AC_PATH_PROG(CCACHE,ccache)
AC_PATH_PROG(XGETTEXT,xgettext)
AC_PATH_PROG(HEXDUMP,hexdump)
AC_PATH_TOOL(READELF, readelf)
AC_PATH_TOOL(CPPFILT, c++filt)
AC_PATH_TOOL(OBJCOPY, objcopy)
AC_PATH_PROG(DOXYGEN, doxygen)
AM_CONDITIONAL([HAVE_DOXYGEN], [test -n "$DOXYGEN"])
AC_ARG_VAR(PYTHONPATH, Augments the default search path for python module files)
# Enable wallet
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_ENABLE(gui-tests,
AS_HELP_STRING([--disable-gui-tests],[do not compile GUI tests (default is to compile if GUI and tests enabled)]),
[use_gui_tests=$enableval],
[use_gui_tests=$use_tests])
AC_ARG_ENABLE(bench,
AS_HELP_STRING([--disable-bench],[do not compile benchmarks (default is to compile)]),
[use_bench=$enableval],
[use_bench=no])
AC_ARG_WITH([comparison-tool],
AS_HELP_STRING([--with-comparison-tool],[path to java comparison tool (requires --enable-tests)]),
[use_comparison_tool=$withval],
[use_comparison_tool=no])
AC_ARG_ENABLE([comparison-tool-reorg-tests],
AS_HELP_STRING([--enable-comparison-tool-reorg-tests],[enable expensive reorg tests in the comparison tool (default no)]),
[use_comparison_tool_reorg_tests=$enableval],
[use_comparison_tool_reorg_tests=no])
AC_ARG_ENABLE([extended-rpc-tests],
AS_HELP_STRING([--enable-extended-rpc-tests],[enable expensive RPC tests when using lcov (default no)]),
[use_extended_rpc_tests=$enableval],
[use_extended_rpc_tests=no])
AC_ARG_WITH([qrencode],
[AS_HELP_STRING([--with-qrencode],
[enable QR code support (default is yes if qt is enabled and libqrencode is found)])],
[use_qr=$withval],
[use_qr=auto])
AC_ARG_ENABLE([hardening],
[AS_HELP_STRING([--disable-hardening],
[do not attempt to harden the resulting executables (default is to harden)])],
[use_hardening=$enableval],
[use_hardening=yes])
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])
dnl Suppress warnings from external headers (e.g. Boost, Qt).
dnl May be useful if warnings from external headers clutter the build output
dnl too much, so that it becomes difficult to spot Bitcoin Core warnings
dnl or if they cause a build failure with --enable-werror.
AC_ARG_ENABLE([suppress-external-warnings],
[AS_HELP_STRING([--enable-suppress-external-warnings],
[Suppress warnings from external headers (default is no)])],
[suppress_external_warnings=$enableval],
[suppress_external_warnings=no])
AC_ARG_ENABLE([lcov],
[AS_HELP_STRING([--enable-lcov],
[enable lcov testing (default is no)])],
[use_lcov=yes],
[use_lcov=no])
dnl Don't use ASM as of now since we still need more changes for it to work properly
AC_ARG_ENABLE([asm],
[AS_HELP_STRING([--disable-asm],
[disable assembly routines (enabled by default)])],
[use_asm=$enableval],
[use_asm=no])
if test "x$use_asm" = xyes; then
AC_DEFINE(USE_ASM, 1, [Define this symbol to build in assembly routines])
fi
AC_ARG_ENABLE([glibc-back-compat],
[AS_HELP_STRING([--enable-glibc-back-compat],
[enable backwards compatibility with glibc])],
[use_glibc_compat=$enableval],
[use_glibc_compat=no])
AC_ARG_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 debug compiler flags and macros (default is no)])],
[enable_debug=$enableval],
[enable_debug=no])
AC_LANG_PUSH([C++])
AX_CHECK_COMPILE_FLAG([-Werror],[CXXFLAG_WERROR="-Werror"],[CXXFLAG_WERROR=""])
if test "x$enable_debug" = xyes; then
CPPFLAGS="$CPPFLAGS -DDEBUG -DDEBUG_LOCKORDER"
if test "x$GCC" = xyes; then
CFLAGS="$CFLAGS -g3 -O0"
fi
if test "x$GXX" = xyes; then
CXXFLAGS="$CXXFLAGS -g3 -O0"
fi
else
if test "x$GCC" = xyes; then
CFLAGS="$CFLAGS -O1"
fi
if test "x$GXX" = xyes; then
CXXFLAGS="$CXXFLAGS -O0"
fi
fi
if test "x$CXXFLAGS_overridden" = "xno"; then
AX_CHECK_COMPILE_FLAG([-Wall],[CXXFLAGS="$CXXFLAGS -Wall"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wextra],[CXXFLAGS="$CXXFLAGS -Wextra"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wformat],[CXXFLAGS="$CXXFLAGS -Wformat"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wformat-security],[CXXFLAGS="$CXXFLAGS -Wformat-security"],,[[$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],[CXXFLAGS="$CXXFLAGS -Wno-unused-parameter"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wself-assign],[CXXFLAGS="$CXXFLAGS -Wno-self-assign"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wunused-local-typedef],[CXXFLAGS="$CXXFLAGS -Wno-unused-local-typedef"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wdeprecated-register],[CXXFLAGS="$CXXFLAGS -Wno-deprecated-register"],,[[$CXXFLAG_WERROR]])
fi
enable_sse42=no
enable_sse41=no
enable_avx2=no
enable_shani=no
if test "x$use_asm" = "xyes"; then
dnl Check for optional instruction set support. Enabling these does _not_ imply that all code will
dnl be compiled with them, rather that specific objects/libs may use them after checking for runtime
dnl compatibility.
dnl x86
AX_CHECK_COMPILE_FLAG([-msse4.2],[[SSE42_CXXFLAGS="-msse4.2"]],,[[$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 $ARM_CRC_CXXFLAGS"
AC_MSG_CHECKING(for AArch64 CRC32 intrinsics)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <arm_acle.h>
#include <arm_neon.h>
]],[[
#ifdef __aarch64__
__crc32cb(0, 0); __crc32ch(0, 0); __crc32cw(0, 0); __crc32cd(0, 0);
vmull_p64(0, 0);
#else
#error "crc32c library does not support hardware acceleration on 32-bit ARM"
#endif
]])],
[ AC_MSG_RESULT(yes); enable_arm_crc=yes; ],
[ AC_MSG_RESULT(no)]
)
CXXFLAGS="$TEMP_CXXFLAGS"
fi
CPPFLAGS="$CPPFLAGS -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS"
dnl When building statically we need -DCURL_STATICLIB ^_^
CXXFLAGS="$CXXFLAGS -DCURL_STATICLIB"
AC_ARG_WITH([utils],
[AS_HELP_STRING([--with-utils],
[build navcoin-cli navcoin-tx (default=yes)])],
[build_navcoin_utils=$withval],
[build_navcoin_utils=yes])
AC_ARG_WITH([libs],
[AS_HELP_STRING([--with-libs],
[build libraries (default=yes)])],
[build_navcoin_libs=$withval],
[build_navcoin_libs=yes])
AC_ARG_WITH([daemon],
[AS_HELP_STRING([--with-daemon],
[build navcoind daemon (default=yes)])],
[build_navcoind=$withval],
[build_navcoind=yes])
use_pkgconfig=yes
case $host in
*mingw*)
dnl pkgconfig does more harm than good with MinGW
use_pkgconfig=no
TARGET_OS=windows
AC_CHECK_LIB([mingwthrd], [main],, AC_MSG_ERROR(lib missing))
AC_CHECK_LIB([kernel32], [main],, AC_MSG_ERROR(lib missing))
AC_CHECK_LIB([user32], [main],, AC_MSG_ERROR(lib missing))
AC_CHECK_LIB([gdi32], [main],, AC_MSG_ERROR(lib missing))
AC_CHECK_LIB([comdlg32], [main],, AC_MSG_ERROR(lib missing))
AC_CHECK_LIB([winspool], [main],, AC_MSG_ERROR(lib missing))
AC_CHECK_LIB([winmm], [main],, AC_MSG_ERROR(lib missing))
AC_CHECK_LIB([shell32], [main],, AC_MSG_ERROR(lib missing))
AC_CHECK_LIB([comctl32], [main],, AC_MSG_ERROR(lib missing))
AC_CHECK_LIB([ole32], [main],, AC_MSG_ERROR(lib missing))
AC_CHECK_LIB([oleaut32], [main],, AC_MSG_ERROR(lib missing))
AC_CHECK_LIB([uuid], [main],, AC_MSG_ERROR(lib missing))
AC_CHECK_LIB([rpcrt4], [main],, AC_MSG_ERROR(lib missing))
AC_CHECK_LIB([advapi32], [main],, AC_MSG_ERROR(lib missing))
AC_CHECK_LIB([ws2_32], [main],, AC_MSG_ERROR(lib missing))
AC_CHECK_LIB([mswsock], [main],, AC_MSG_ERROR(lib missing))
AC_CHECK_LIB([shlwapi], [main],, AC_MSG_ERROR(lib missing))
AC_CHECK_LIB([iphlpapi], [main],, AC_MSG_ERROR(lib missing))
AC_CHECK_LIB([crypt32], [main],, AC_MSG_ERROR(lib missing))
dnl -static is interpreted by libtool, where it has a different meaning.
dnl In libtool-speak, it's -all-static.
AX_CHECK_LINK_FLAG([[-static]],[LIBTOOL_APP_LDFLAGS="$LIBTOOL_APP_LDFLAGS -all-static"])
AC_PATH_PROG([MAKENSIS], [makensis], none)
if test x$MAKENSIS = xnone; then
AC_MSG_WARN("makensis not found. Cannot create installer.")
fi
AC_PATH_TOOL(WINDRES, windres, none)
if test x$WINDRES = xnone; then
AC_MSG_ERROR("windres not found")
fi
CPPFLAGS="$CPPFLAGS -D_MT -DWIN32 -D_WINDOWS -DBOOST_THREAD_USE_LIB -D_WIN32_WINNT=0x0601"
# We need to build larger files
AX_CHECK_COMPILE_FLAG([-Wa,-mbig-obj],[CXXFLAGS="$CXXFLAGS -Wa,-mbig-obj"],,[[$CXXFLAG_WERROR]])
dnl libtool insists upon adding -nostdlib and a list of objects/libs to link against.
dnl That breaks our ability to build dll's with static libgcc/libstdc++/libssp. Override
dnl its command here, with the predeps/postdeps removed, and -static inserted. Postdeps are
dnl also overridden to prevent their insertion later.
dnl This should only affect dll's.
archive_cmds_CXX="\$CC -shared \$libobjs \$deplibs \$compiler_flags -static -o \$output_objdir/\$soname \${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker \$lib"
postdeps_CXX=
dnl We require Windows 7 (NT 6.1) or later
AX_CHECK_LINK_FLAG([[-Wl,--major-subsystem-version -Wl,6 -Wl,--minor-subsystem-version -Wl,1]],[LDFLAGS="$LDFLAGS -Wl,--major-subsystem-version -Wl,6 -Wl,--minor-subsystem-version -Wl,1"],,[[$LDFLAG_WERROR]])
;;
*darwin*)
TARGET_OS=darwin
if test x$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$BREW = xbrew; then
dnl These Homebrew packages may be keg-only, meaning that they won't be found
dnl in expected paths because they may conflict with system files. Ask
dnl Homebrew where each one is located, then adjust paths accordingly.
dnl It's safe to add these paths even if the functionality is disabled by
dnl the user (--without-wallet or --without-gui for example).
bdb_prefix=$($BREW --prefix berkeley-db4 2>/dev/null)
qt5_prefix=$($BREW --prefix qt5 2>/dev/null)
if test x$bdb_prefix != x; then
CPPFLAGS="$CPPFLAGS -I$bdb_prefix/include"
LIBS="$LIBS -L$bdb_prefix/lib"
fi
if test x$qt5_prefix != x; then
PKG_CONFIG_PATH="$qt5_prefix/lib/pkgconfig:$PKG_CONFIG_PATH"
export PKG_CONFIG_PATH
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"],, [[$LDFLAG_WERROR]])
CPPFLAGS="$CPPFLAGS -DMAC_OSX -DOBJC_OLD_DISPATCH_PROTOTYPES=0"
OBJCXXFLAGS="$CXXFLAGS"
;;
*android*)
dnl make sure android stays above linux for hosts like *linux-android*
TARGET_OS=android
;;
*linux*)
TARGET_OS=linux
;;
esac
if test x$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_comparison_tool != xno; then
AC_SUBST(JAVA_COMPARISON_TOOL, $use_comparison_tool)
fi
if test x$use_comparison_tool_reorg_tests != xno; then
if test x$use_comparison_tool = x; then
AC_MSG_ERROR("comparison tool reorg tests but comparison tool was not specified")
fi
AC_SUBST(COMPARISON_TOOL_REORG_TESTS, 1)
else
AC_SUBST(COMPARISON_TOOL_REORG_TESTS, 0)
fi
if test x$use_extended_rpc_tests != xno; then
AC_SUBST(EXTENDED_RPC_TESTS, -extended)
fi
if test x$use_lcov = xyes; then
if test x$LCOV = x; then
AC_MSG_ERROR("lcov testing requested but lcov not found")
fi
if test x$GCOV = x; then
AC_MSG_ERROR("lcov testing requested but gcov not found")
fi
if test x$JAVA = x; then
AC_MSG_ERROR("lcov testing requested but java not found")
fi
if test x$PYTHON = x; then
AC_MSG_ERROR("lcov testing requested but python not found")
fi
if test x$GENHTML = x; then
AC_MSG_ERROR("lcov testing requested but genhtml not found")
fi
if test x$use_comparison_tool = x; then
AC_MSG_ERROR("lcov testing requested but comparison tool was not specified")
fi
LCOV="$LCOV --gcov-tool=$GCOV"
AX_CHECK_COMPILE_FLAG([--coverage],[CXXFLAGS="$CXXFLAGS --coverage"],
[AC_MSG_ERROR("lcov testing requested but --coverage flag does not work")])
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 navcoin-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(lib 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="$COMPAT_LDFLAGS -Wl,--wrap=log2f"])
AX_CHECK_LINK_FLAG([[-Wl,--wrap=glob]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=glob"])
AX_CHECK_LINK_FLAG([[-Wl,--wrap=log]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=log"])
AX_CHECK_LINK_FLAG([[-Wl,--wrap=pow]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=pow"])
AX_CHECK_LINK_FLAG([[-Wl,--wrap=exp]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=exp"])
AX_CHECK_LINK_FLAG([[-Wl,--wrap=explicit_bzero]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=explicit_bzero"])
AX_CHECK_LINK_FLAG([[-Wl,--wrap=fcntl]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=fcntl"])
case $host in
# Need to add glob64 for 32bit builds
i?86-* | arm*)
AX_CHECK_LINK_FLAG([[-Wl,--wrap=glob64]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=glob64"])
AX_CHECK_LINK_FLAG([[-Wl,--wrap=fcntl64]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=fcntl64"])
;;
esac
else
AC_SEARCH_LIBS([clock_gettime],[rt])
fi
if test x$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
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="$HARDENED_CPPFLAGS -D_FORTIFY_SOURCE=2"
])
AX_CHECK_LINK_FLAG([-Wl,--enable-reloc-section], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,--enable-reloc-section"], [], [$LDFLAG_WERROR])
AX_CHECK_LINK_FLAG([-Wl,--dynamicbase], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,--dynamicbase"], [], [$LDFLAG_WERROR])
AX_CHECK_LINK_FLAG([-Wl,--nxcompat], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,--nxcompat"], [], [$LDFLAG_WERROR])
AX_CHECK_LINK_FLAG([-Wl,--high-entropy-va], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,--high-entropy-va"], [], [$LDFLAG_WERROR])
AX_CHECK_LINK_FLAG([-Wl,-z,relro], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,-z,relro"], [], [$LDFLAG_WERROR])
AX_CHECK_LINK_FLAG([-Wl,-z,now], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,-z,now"], [], [$LDFLAG_WERROR])
AX_CHECK_LINK_FLAG([-Wl,-z,separate-code], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,-z,separate-code"], [], [$LDFLAG_WERROR])
AX_CHECK_LINK_FLAG([-fPIE -pie], [PIE_FLAGS="-fPIE"; HARDENED_LDFLAGS="$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="$LDFLAGS -Wl,-dead_strip"], [], [$LDFLAG_WERROR])
AX_CHECK_LINK_FLAG([-Wl,-dead_strip_dylibs], [LDFLAGS="$LDFLAGS -Wl,-dead_strip_dylibs"], [], [$LDFLAG_WERROR])
AX_CHECK_LINK_FLAG([-Wl,-bind_at_load], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,-bind_at_load"], [], [$LDFLAG_WERROR])
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_SEARCH_LIBS([getaddrinfo_a], [anl], [AC_DEFINE(HAVE_GETADDRINFO_A, 1, [Define this symbol if you have getaddrinfo_a])])
AC_SEARCH_LIBS([inet_pton], [nsl resolv], [AC_DEFINE(HAVE_INET_PTON, 1, [Define this symbol if you have inet_pton])])
AC_CHECK_DECLS([strnlen])
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])
dnl Check for MSG_NOSIGNAL
AC_MSG_CHECKING(for MSG_NOSIGNAL)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/socket.h>]],
[[ int f = MSG_NOSIGNAL; ]])],
[ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_MSG_NOSIGNAL, 1,[Define this symbol if you have MSG_NOSIGNAL]) ],
[ 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_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
dnl LevelDB platform checks
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_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 ]
)
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 ]
)
LEVELDB_CPPFLAGS=
LIBLEVELDB=
LIBMEMENV=
AM_CONDITIONAL([EMBEDDED_LEVELDB],[true])
AC_SUBST(LEVELDB_CPPFLAGS)
AC_SUBST(LIBLEVELDB)
AC_SUBST(LIBMEMENV)
dnl SUPPRESSED_CPPFLAGS=SUPPRESS_WARNINGS([$SOME_CPPFLAGS])
dnl Replace -I with -isystem in $SOME_CPPFLAGS to suppress warnings from
dnl headers from its include directories and return the result.
dnl See -isystem documentation:
dnl https://gcc.gnu.org/onlinedocs/gcc/Directory-Options.html
dnl https://clang.llvm.org/docs/ClangCommandLineReference.html#cmdoption-clang-isystem-directory
dnl Do not change "-I/usr/include" to "-isystem /usr/include" because that
dnl is not necessary (/usr/include is already a system directory) and because
dnl it would break GCC's #include_next.
AC_DEFUN([SUPPRESS_WARNINGS],
[$(echo $1 |${SED} -E -e 's/(^| )-I/\1-isystem /g' -e 's;-isystem /usr/include([/ ]|$);-I/usr/include\1;g')])
NAVCOIN_QT_INIT
dnl sets $navcoin_enable_qt, $navcoin_enable_qt_test, $navcoin_enable_qt_dbus
NAVCOIN_QT_CONFIGURE([$use_pkgconfig])
if test x$enable_wallet != xno; then
dnl Check for libdb_cxx only if wallet enabled
NAVCOIN_FIND_BDB
fi
dnl Check for libminiupnpc (optional)
if test x$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$have_miniupnpc != xno; then
AC_MSG_CHECKING([whether miniUPnPc API version is supported])
AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
@%:@include <miniupnpc/miniupnpc.h>
]], [[
#if MINIUPNPC_API_VERSION >= 10
// Everything is okay
#else
# error miniUPnPc API version is too old
#endif
]])],[
AC_MSG_RESULT(yes)
],[
AC_MSG_RESULT(no)
AC_MSG_WARN([miniUPnPc API version < 10 is unsupported, disabling UPnP support.])
have_miniupnpc=no
])
fi
fi
if test x$build_navcoin_utils$build_navcoind$navcoin_enable_qt$use_tests$use_bench = xnonononono; then
use_boost=no
else
use_boost=yes
fi
if test x$use_boost = xyes; then
dnl Check for boost libs
AX_BOOST_BASE
AX_BOOST_SYSTEM
AX_BOOST_FILESYSTEM
AX_BOOST_THREAD
AX_BOOST_CHRONO
if test x$suppress_external_warnings != xno; then
BOOST_CPPFLAGS=SUPPRESS_WARNINGS($BOOST_CPPFLAGS)
fi
if test x$use_reduce_exports = xyes; then
AC_MSG_CHECKING([for working boost reduced exports])
TEMP_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$BOOST_CPPFLAGS $CPPFLAGS"
AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
@%:@include <boost/version.hpp>
]], [[
#if BOOST_VERSION >= 104900
// Everything is okay
#else
# error Boost version is too old
#endif
]])],[
AC_MSG_RESULT(yes)
],[
AC_MSG_ERROR([boost versions < 1.49 are known to be broken with reduced exports. Use --disable-reduce-exports.])
])
CPPFLAGS="$TEMP_CPPFLAGS"
fi
fi
if test x$use_reduce_exports = xyes; then
CXXFLAGS="$CXXFLAGS $RE_CXXFLAGS"
AX_CHECK_LINK_FLAG([[-Wl,--exclude-libs,ALL]], [RELDFLAGS="-Wl,--exclude-libs,ALL"])
fi
if test x$use_tests = xyes; then
if test x$HEXDUMP = x; then
AC_MSG_ERROR(hexdump is required for tests)
fi
if test x$use_boost = xyes; then
AX_BOOST_UNIT_TEST_FRAMEWORK
dnl Determine if -DBOOST_TEST_DYN_LINK is needed
AC_MSG_CHECKING([for dynamic linked boost test])
TEMP_LIBS="$LIBS"
LIBS="$LIBS $BOOST_LDFLAGS $BOOST_UNIT_TEST_FRAMEWORK_LIB"
TEMP_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
AC_LINK_IFELSE([AC_LANG_SOURCE([
#define BOOST_TEST_DYN_LINK
#define BOOST_TEST_MAIN
#include <boost/test/unit_test.hpp>
])],
[AC_MSG_RESULT(yes)]
[TESTDEFS="$TESTDEFS -DBOOST_TEST_DYN_LINK"],
[AC_MSG_RESULT(no)])
LIBS="$TEMP_LIBS"
CPPFLAGS="$TEMP_CPPFLAGS"
fi
fi
if test x$use_boost = xyes; then
BOOST_LIBS="$BOOST_LDFLAGS $BOOST_SYSTEM_LIB $BOOST_FILESYSTEM_LIB $BOOST_THREAD_LIB $BOOST_CHRONO_LIB"
dnl If boost (prior to 1.57) was built without c++11, it emulated scoped enums
dnl using c++98 constructs. Unfortunately, this implementation detail leaked into
dnl the abi. This was fixed in 1.57.
dnl When building against that installed version using c++11, the headers pick up
dnl on the native c++11 scoped enum support and enable it, however it will fail to
dnl link. This can be worked around by disabling c++11 scoped enums if linking will
dnl fail.
dnl BOOST_NO_SCOPED_ENUMS was changed to BOOST_NO_CXX11_SCOPED_ENUMS in 1.51.
TEMP_LIBS="$LIBS"
LIBS="$BOOST_LIBS $LIBS"
TEMP_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
AC_MSG_CHECKING([for mismatched boost c++11 scoped enums])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include "boost/config.hpp"
#include "boost/version.hpp"
#if !defined(BOOST_NO_SCOPED_ENUMS) && !defined(BOOST_NO_CXX11_SCOPED_ENUMS) && BOOST_VERSION < 105700
#define BOOST_NO_SCOPED_ENUMS
#define BOOST_NO_CXX11_SCOPED_ENUMS
#define CHECK
#endif
#include "boost/filesystem.hpp"
]],[[
#if defined(CHECK)
boost::filesystem::copy_file("foo", "bar");
#else
choke;
#endif
]])],
[AC_MSG_RESULT(mismatched); BOOST_CPPFLAGS="$BOOST_CPPFLAGS -DBOOST_NO_SCOPED_ENUMS -DBOOST_NO_CXX11_SCOPED_ENUMS"], [AC_MSG_RESULT(ok)])
LIBS="$TEMP_LIBS"
CPPFLAGS="$TEMP_CPPFLAGS"
dnl Boost >= 1.50 uses sleep_for rather than the now-deprecated sleep, however
dnl it was broken from 1.50 to 1.52 when backed by nanosleep. Use sleep_for if
dnl a working version is available, else fall back to sleep. sleep was removed
dnl after 1.56.
dnl If neither is available, abort.
TEMP_LIBS="$LIBS"
LIBS="$BOOST_LIBS $LIBS"
TEMP_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <boost/thread/thread.hpp>
#include <boost/version.hpp>
]],[[
#if BOOST_VERSION >= 105000 && (!defined(BOOST_HAS_NANOSLEEP) || BOOST_VERSION >= 105200)
boost::this_thread::sleep_for(boost::chrono::milliseconds(0));
#else
choke me
#endif
]])],
[boost_sleep=yes;
AC_DEFINE(HAVE_WORKING_BOOST_SLEEP_FOR, 1, [Define this symbol if boost sleep_for works])],
[boost_sleep=no])
LIBS="$TEMP_LIBS"
CPPFLAGS="$TEMP_CPPFLAGS"
if test x$boost_sleep != xyes; then
TEMP_LIBS="$LIBS"
LIBS="$BOOST_LIBS $LIBS"
TEMP_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <boost/version.hpp>
#include <boost/thread.hpp>
#include <boost/date_time/posix_time/posix_time_types.hpp>
]],[[
#if BOOST_VERSION <= 105600
boost::this_thread::sleep(boost::posix_time::milliseconds(0));
#else
choke me