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CRC32C build system integration
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jamescowens committed Oct 3, 2021
1 parent 39c9d0d commit 720ec68
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49 changes: 49 additions & 0 deletions configure.ac
Original file line number Diff line number Diff line change
Expand Up @@ -858,6 +858,50 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <fcntl.h>]],
[ AC_MSG_RESULT(no); HAVE_O_CLOEXEC=0 ]
)

# 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 ]
)

# Check for reduced exports
if test x$use_reduce_exports = xyes; then
AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],[RE_CXXFLAGS="-fvisibility=hidden"],
Expand Down Expand Up @@ -1189,6 +1233,7 @@ 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)
Expand All @@ -1208,6 +1253,10 @@ 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 share/setup.nsi share/qt/Info.plist])
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])])
Expand Down
1 change: 1 addition & 0 deletions src/Makefile.am
Original file line number Diff line number Diff line change
Expand Up @@ -413,6 +413,7 @@ clean-local:
$(AM_V_GEN) $(PROTOC) --cpp_out=$(@D) --proto_path=$(<D) $<

if EMBEDDED_LEVELDB
include Makefile.crc32c.include
include Makefile.leveldb.include
endif

Expand Down
75 changes: 75 additions & 0 deletions src/Makefile.crc32c.include
Original file line number Diff line number Diff line change
@@ -0,0 +1,75 @@
# Copyright (c) 2019 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.

LIBCRC32C_INT = crc32c/libcrc32c.a
LIBLEVELDB_SSE42_INT = leveldb/libleveldb_sse42.a

EXTRA_LIBRARIES += $(LIBCRC32C_INT)

LIBCRC32C = $(LIBCRC32C_INT)

CRC32C_CPPFLAGS_INT =
CRC32C_CPPFLAGS_INT += -I$(srcdir)/crc32c/include
CRC32C_CPPFLAGS_INT += -DHAVE_BUILTIN_PREFETCH=@HAVE_BUILTIN_PREFETCH@
CRC32C_CPPFLAGS_INT += -DHAVE_MM_PREFETCH=@HAVE_MM_PREFETCH@
CRC32C_CPPFLAGS_INT += -DHAVE_STRONG_GETAUXVAL=@HAVE_STRONG_GETAUXVAL@
CRC32C_CPPFLAGS_INT += -DHAVE_WEAK_GETAUXVAL=@HAVE_WEAK_GETAUXVAL@
CRC32C_CPPFLAGS_INT += -DCRC32C_TESTS_BUILT_WITH_GLOG=0

if ENABLE_SSE42
CRC32C_CPPFLAGS_INT += -DHAVE_SSE42=1
else
CRC32C_CPPFLAGS_INT += -DHAVE_SSE42=0
endif

if ENABLE_ARM_CRC
CRC32C_CPPFLAGS_INT += -DHAVE_ARM64_CRC32C=1
else
CRC32C_CPPFLAGS_INT += -DHAVE_ARM64_CRC32C=0
endif

if WORDS_BIGENDIAN
CRC32C_CPPFLAGS_INT += -DBYTE_ORDER_BIG_ENDIAN=1
else
CRC32C_CPPFLAGS_INT += -DBYTE_ORDER_BIG_ENDIAN=0
endif

crc32c_libcrc32c_a_CPPFLAGS = $(AM_CPPFLAGS) $(CRC32C_CPPFLAGS_INT) $(CRC32C_CPPFLAGS)
crc32c_libcrc32c_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)

crc32c_libcrc32c_a_SOURCES =
crc32c_libcrc32c_a_SOURCES += crc32c/include/crc32c/crc32c.h
crc32c_libcrc32c_a_SOURCES += crc32c/src/crc32c_arm64.h
crc32c_libcrc32c_a_SOURCES += crc32c/src/crc32c_arm64_check.h
crc32c_libcrc32c_a_SOURCES += crc32c/src/crc32c_internal.h
crc32c_libcrc32c_a_SOURCES += crc32c/src/crc32c_prefetch.h
crc32c_libcrc32c_a_SOURCES += crc32c/src/crc32c_read_le.h
crc32c_libcrc32c_a_SOURCES += crc32c/src/crc32c_round_up.h
crc32c_libcrc32c_a_SOURCES += crc32c/src/crc32c_sse42_check.h
crc32c_libcrc32c_a_SOURCES += crc32c/src/crc32c_sse42.h

crc32c_libcrc32c_a_SOURCES += crc32c/src/crc32c.cc
crc32c_libcrc32c_a_SOURCES += crc32c/src/crc32c_portable.cc

if ENABLE_SSE42
LIBCRC32C_SSE42_INT = crc32c/libcrc32c_sse42.a
EXTRA_LIBRARIES += $(LIBCRC32C_SSE42_INT)
LIBCRC32C += $(LIBCRC32C_SSE42_INT)

crc32c_libcrc32c_sse42_a_CPPFLAGS = $(crc32c_libcrc32c_a_CPPFLAGS)
crc32c_libcrc32c_sse42_a_CXXFLAGS = $(crc32c_libcrc32c_a_CXXFLAGS) $(SSE42_CXXFLAGS)

crc32c_libcrc32c_sse42_a_SOURCES = crc32c/src/crc32c_sse42.cc
endif

if ENABLE_ARM_CRC
LIBCRC32C_ARM_CRC_INT = crc32c/libcrc32c_arm_crc.a
EXTRA_LIBRARIES += $(LIBCRC32C_ARM_CRC_INT)
LIBCRC32C += $(LIBCRC32C_ARM_CRC_INT)

crc32c_libcrc32c_arm_crc_a_CPPFLAGS = $(crc32c_libcrc32c_a_CPPFLAGS)
crc32c_libcrc32c_arm_crc_a_CXXFLAGS = $(crc32c_libcrc32c_a_CXXFLAGS) $(ARM_CRC_CXXFLAGS)

crc32c_libcrc32c_arm_crc_a_SOURCES = crc32c/src/crc32c_arm64.cc
endif
5 changes: 3 additions & 2 deletions src/Makefile.leveldb.include
Original file line number Diff line number Diff line change
Expand Up @@ -8,16 +8,17 @@ LIBMEMENV_INT = leveldb/libmemenv.a
EXTRA_LIBRARIES += $(LIBLEVELDB_INT)
EXTRA_LIBRARIES += $(LIBMEMENV_INT)

LIBLEVELDB += $(LIBLEVELDB_INT)
LIBLEVELDB += $(LIBLEVELDB_INT) $(LIBCRC32C)
LIBMEMENV += $(LIBMEMENV_INT)

LEVELDB_CPPFLAGS += -I$(srcdir)/leveldb/include
LEVELDB_CPPFLAGS += -I$(srcdir)/leveldb/helpers/memenv

LEVELDB_CPPFLAGS_INT =
LEVELDB_CPPFLAGS_INT += -I$(srcdir)/leveldb
LEVELDB_CPPFLAGS_INT += -I$(srcdir)/crc32c/include
LEVELDB_CPPFLAGS_INT += -D__STDC_LIMIT_MACROS
LEVELDB_CPPFLAGS_INT += -DHAVE_SNAPPY=0 -DHAVE_CRC32C=0
LEVELDB_CPPFLAGS_INT += -DHAVE_SNAPPY=0 -DHAVE_CRC32C=1
LEVELDB_CPPFLAGS_INT += -DHAVE_FDATASYNC=@HAVE_FDATASYNC@
LEVELDB_CPPFLAGS_INT += -DHAVE_FULLFSYNC=@HAVE_FULLFSYNC@
LEVELDB_CPPFLAGS_INT += -DHAVE_O_CLOEXEC=@HAVE_O_CLOEXEC@
Expand Down

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