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-rw-r--r--configure.ac133
1 files changed, 100 insertions, 33 deletions
diff --git a/configure.ac b/configure.ac
index 6fc1a086a3..30f7a8b1d3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -355,7 +355,7 @@ if test "x$CXXFLAGS_overridden" = "xno"; then
AX_CHECK_COMPILE_FLAG([-Wimplicit-fallthrough],[NOWARN_CXXFLAGS="$NOWARN_CXXFLAGS -Wno-implicit-fallthrough"],,[[$CXXFLAG_WERROR]])
fi
-enable_hwcrc32=no
+enable_sse42=no
enable_sse41=no
enable_avx2=no
enable_shani=no
@@ -365,6 +365,8 @@ if test "x$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"]],,[[$CXXFLAG_WERROR]])
@@ -372,7 +374,7 @@ AX_CHECK_COMPILE_FLAG([-msse4 -msha],[[SHANI_CXXFLAGS="-msse4 -msha"]],,[[$CXXFL
TEMP_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS $SSE42_CXXFLAGS"
-AC_MSG_CHECKING(for assembler crc32 support)
+AC_MSG_CHECKING(for SSE4.2 intrinsics)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <stdint.h>
#if defined(_MSC_VER)
@@ -387,7 +389,7 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
l = _mm_crc32_u64(l, 0);
return l;
]])],
- [ AC_MSG_RESULT(yes); enable_hwcrc32=yes],
+ [ AC_MSG_RESULT(yes); enable_sse42=yes],
[ AC_MSG_RESULT(no)]
)
CXXFLAGS="$TEMP_CXXFLAGS"
@@ -439,6 +441,24 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
)
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 $ARM_CRC_CXXFLAGS"
+AC_MSG_CHECKING(for ARM CRC32 intrinsics)
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <arm_acle.h>
+ #include <arm_neon.h>
+ ]],[[
+ __crc32cb(0, 0); __crc32ch(0, 0); __crc32cw(0, 0); __crc32cd(0, 0);
+ vmull_p64(0, 0);
+ ]])],
+ [ AC_MSG_RESULT(yes); enable_arm_crc=yes; ],
+ [ AC_MSG_RESULT(no)]
+)
+CXXFLAGS="$TEMP_CXXFLAGS"
+
fi
CPPFLAGS="$CPPFLAGS -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS"
@@ -517,7 +537,6 @@ case $host in
fi
CPPFLAGS="$CPPFLAGS -D_MT -DWIN32 -D_WINDOWS -DBOOST_THREAD_USE_LIB -D_WIN32_WINNT=0x0601"
- LEVELDB_TARGET_FLAGS="-DOS_WINDOWS"
if test "x$CXXFLAGS_overridden" = "xno"; then
CXXFLAGS="$CXXFLAGS -w"
fi
@@ -533,7 +552,6 @@ case $host in
;;
*darwin*)
TARGET_OS=darwin
- LEVELDB_TARGET_FLAGS="-DOS_MACOSX"
if test x$cross_compiling != xyes; then
BUILD_OS=darwin
AC_PATH_PROGS([RSVG_CONVERT], [rsvg-convert rsvg],rsvg-convert)
@@ -585,35 +603,9 @@ case $host in
*android*)
dnl make sure android stays above linux for hosts like *linux-android*
TARGET_OS=android
- LEVELDB_TARGET_FLAGS="-DOS_ANDROID"
;;
*linux*)
TARGET_OS=linux
- LEVELDB_TARGET_FLAGS="-DOS_LINUX"
- ;;
- *kfreebsd*)
- LEVELDB_TARGET_FLAGS="-DOS_KFREEBSD"
- ;;
- *freebsd*)
- LEVELDB_TARGET_FLAGS="-DOS_FREEBSD"
- ;;
- *openbsd*)
- LEVELDB_TARGET_FLAGS="-DOS_OPENBSD"
- ;;
- *netbsd*)
- LEVELDB_TARGET_FLAGS="-DOS_NETBSD"
- ;;
- *dragonfly*)
- LEVELDB_TARGET_FLAGS="-DOS_DRAGONFLYBSD"
- ;;
- *solaris*)
- LEVELDB_TARGET_FLAGS="-DOS_SOLARIS"
- ;;
- *hpux*)
- LEVELDB_TARGET_FLAGS="-DOS_HPUX"
- ;;
- *)
- AC_MSG_ERROR(Cannot build leveldb for $host. Please file a bug report.)
;;
esac
@@ -960,6 +952,72 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdint.h>
[ AC_MSG_RESULT(no)]
)
+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 ]
+)
+
+AC_MSG_CHECKING(for strong getauxval support in the system headers)
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <arm_acle.h>
+ #include <arm_neon.h>
+ #include <sys/auxv.h>
+ ]], [[
+ getauxval(AT_HWCAP);
+ ]])],
+ [ AC_MSG_RESULT(yes); HAVE_STRONG_GETAUXVAL=1 ],
+ [ AC_MSG_RESULT(no); HAVE_STRONG_GETAUXVAL=0 ]
+)
+
+AC_MSG_CHECKING(for weak getauxval support in the compiler)
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ unsigned long getauxval(unsigned long type) __attribute__((weak));
+ #define AT_HWCAP 16
+ ]], [[
+ getauxval(AT_HWCAP);
+ ]])],
+ [ AC_MSG_RESULT(yes); HAVE_WEAK_GETAUXVAL=1 ],
+ [ AC_MSG_RESULT(no); HAVE_WEAK_GETAUXVAL=0 ]
+)
+
dnl Check for reduced exports
if test x$use_reduce_exports = xyes; then
AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],[RE_CXXFLAGS="-fvisibility=hidden"],
@@ -1515,11 +1573,13 @@ AM_CONDITIONAL([USE_QRCODE], [test x$use_qr = xyes])
AM_CONDITIONAL([USE_LCOV],[test x$use_lcov = xyes])
AM_CONDITIONAL([GLIBC_BACK_COMPAT],[test x$use_glibc_compat = xyes])
AM_CONDITIONAL([HARDEN],[test x$use_hardening = xyes])
-AM_CONDITIONAL([ENABLE_HWCRC32],[test x$enable_hwcrc32 = xyes])
+AM_CONDITIONAL([ENABLE_SSE42],[test x$enable_sse42 = xyes])
AM_CONDITIONAL([ENABLE_SSE41],[test x$enable_sse41 = xyes])
AM_CONDITIONAL([ENABLE_AVX2],[test x$enable_avx2 = xyes])
AM_CONDITIONAL([ENABLE_SHANI],[test x$enable_shani = xyes])
+AM_CONDITIONAL([ENABLE_ARM_CRC],[test x$enable_arm_crc = xyes])
AM_CONDITIONAL([USE_ASM],[test x$use_asm = xyes])
+AM_CONDITIONAL([WORDS_BIGENDIAN],[test x$ac_cv_c_bigendian = xyes])
AC_DEFINE(CLIENT_VERSION_MAJOR, _CLIENT_VERSION_MAJOR, [Major version])
AC_DEFINE(CLIENT_VERSION_MINOR, _CLIENT_VERSION_MINOR, [Minor version])
@@ -1566,18 +1626,25 @@ AC_SUBST(SSE42_CXXFLAGS)
AC_SUBST(SSE41_CXXFLAGS)
AC_SUBST(AVX2_CXXFLAGS)
AC_SUBST(SHANI_CXXFLAGS)
+AC_SUBST(ARM_CRC_CXXFLAGS)
AC_SUBST(LIBTOOL_APP_LDFLAGS)
AC_SUBST(USE_UPNP)
AC_SUBST(USE_QRCODE)
AC_SUBST(BOOST_LIBS)
AC_SUBST(TESTDEFS)
-AC_SUBST(LEVELDB_TARGET_FLAGS)
AC_SUBST(MINIUPNPC_CPPFLAGS)
AC_SUBST(MINIUPNPC_LIBS)
AC_SUBST(EVENT_LIBS)
AC_SUBST(EVENT_PTHREADS_LIBS)
AC_SUBST(ZMQ_LIBS)
AC_SUBST(QR_LIBS)
+AC_SUBST(HAVE_FDATASYNC)
+AC_SUBST(HAVE_FULLFSYNC)
+AC_SUBST(HAVE_O_CLOEXEC)
+AC_SUBST(HAVE_BUILTIN_PREFETCH)
+AC_SUBST(HAVE_MM_PREFETCH)
+AC_SUBST(HAVE_STRONG_GETAUXVAL)
+AC_SUBST(HAVE_WEAK_GETAUXVAL)
AC_CONFIG_FILES([Makefile src/Makefile doc/man/Makefile share/setup.nsi share/qt/Info.plist test/config.ini])
AC_CONFIG_FILES([contrib/devtools/split-debug.sh],[chmod +x contrib/devtools/split-debug.sh])
AM_COND_IF([HAVE_DOXYGEN], [AC_CONFIG_FILES([doc/Doxyfile])])