#!/bin/sh
# Copyright (c) 2017-2021 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
# Install libdb4.8 (Berkeley DB).
export LC_ALL=C
set -e
if [ -z "${1}" ]; then
echo "Usage: $0 <base-dir> [<extra-bdb-configure-flag> ...]"
echo
echo "Must specify a single argument: the directory in which db4 will be built."
echo "This is probably \`pwd\` if you're at the root of the bitcoin repository."
exit 1
fi
expand_path() {
cd "${1}" && pwd -P
}
BDB_PREFIX="$(expand_path "${1}")/db4"; shift;
BDB_VERSION='db-4.8.30.NC'
BDB_HASH='12edc0df75bf9abd7f82f821795bcee50f42cb2e5f76a6a281b85732798364ef'
BDB_URL="https://download.oracle.com/berkeley-db/${BDB_VERSION}.tar.gz"
check_exists() {
command -v "$1" >/dev/null
}
sha256_check() {
# Args: <sha256_hash> <filename>
#
if check_exists sha256sum; then
echo "${1} ${2}" | sha256sum -c
elif check_exists sha256; then
if [ "$(uname)" = "FreeBSD" ]; then
sha256 -c "${1}" "${2}"
else
echo "${1} ${2}" | sha256 -c
fi
else
echo "${1} ${2}" | shasum -a 256 -c
fi
}
http_get() {
# Args: <url> <filename> <sha256_hash>
#
# It's acceptable that we don't require SSL here because we manually verify
# content hashes below.
#
if [ -f "${2}" ]; then
echo "File ${2} already exists; not downloading again"
elif check_exists curl; then
curl --insecure --retry 5 "${1}" -o "${2}"
elif check_exists wget; then
wget --no-check-certificate "${1}" -O "${2}"
else
echo "Simple transfer utilities 'curl' and 'wget' not found. Please install one of them and try again."
exit 1
fi
sha256_check "${3}" "${2}"
}
# Ensure the commands we use exist on the system
if ! check_exists patch; then
echo "Command-line tool 'patch' not found. Install patch and try again."
exit 1
fi
mkdir -p "${BDB_PREFIX}"
http_get "${BDB_URL}" "${BDB_VERSION}.tar.gz" "${BDB_HASH}"
tar -xzvf ${BDB_VERSION}.tar.gz -C "$BDB_PREFIX"
cd "${BDB_PREFIX}/${BDB_VERSION}/"
# Apply a patch necessary when building with clang and c++11 (see https://community.oracle.com/thread/3952592)
patch --ignore-whitespace -p1 << 'EOF'
commit 3311d68f11d1697565401eee6efc85c34f022ea7
Author: fanquake <fanquake@gmail.com>
Date: Mon Aug 17 20:03:56 2020 +0800
Fix C++11 compatibility
diff --git a/dbinc/atomic.h b/dbinc/atomic.h
index 0034dcc..7c11d4a 100644
--- a/dbinc/atomic.h
+++ b/dbinc/atomic.h
@@ -70,7 +70,7 @@ typedef struct {
* These have no memory barriers; the caller must include them when necessary.
*/
#define atomic_read(p) ((p)->value)
-#define atomic_init(p, val) ((p)->value = (val))
+#define atomic_init_db(p, val) ((p)->value = (val))
#ifdef HAVE_ATOMIC_SUPPORT
@@ -144,7 +144,7 @@ typedef LONG volatile *interlocked_val;
#define atomic_inc(env, p) __atomic_inc(p)
#define atomic_dec(env, p) __atomic_dec(p)
#define atomic_compare_exchange(env, p, o, n) \
- __atomic_compare_exchange((p), (o), (n))
+ __atomic_compare_exchange_db((p), (o), (n))
static inline int __atomic_inc(db_atomic_t *p)
{
int temp;
@@ -176,7 +176,7 @@ static inline int __atomic_dec(db_atomic_t *p)
* http://gcc.gnu.org/onlinedocs/gcc-4.1.0/gcc/Atomic-Builtins.html
* which configure could be changed to use.
*/
-static inline int __atomic_compare_exchange(
+static inline int __atomic_compare_exchange_db(
db_atomic_t *p, atomic_value_t oldval, atomic_value_t newval)
{
atomic_value_t was;
@@ -206,7 +206,7 @@ static inline int __atomic_compare_exchange(
#define atomic_dec(env, p) (--(p)->value)
#define atomic_compare_exchange(env, p, oldval, newval) \
(DB_ASSERT(env, atomic_read(p) == (oldval)), \
- atomic_init(p, (newval)), 1)
+ atomic_init_db(p, (newval)), 1)
#else
#define atomic_inc(env, p) __atomic_inc(env, p)
#define atomic_dec(env, p) __atomic_dec(env, p)
diff --git a/mp/mp_fget.c b/mp/mp_fget.c
index 5fdee5a..0b75f57 100644
--- a/mp/mp_fget.c
+++ b/mp/mp_fget.c
@@ -617,7 +617,7 @@ alloc: /* Allocate a new buffer header and data space. */
/* Initialize enough so we can call __memp_bhfree. */
alloc_bhp->flags = 0;
- atomic_init(&alloc_bhp->ref, 1);
+ atomic_init_db(&alloc_bhp->ref, 1);
#ifdef DIAGNOSTIC
if ((uintptr_t)alloc_bhp->buf & (sizeof(size_t) - 1)) {
__db_errx(env,
@@ -911,7 +911,7 @@ alloc: /* Allocate a new buffer header and data space. */
MVCC_MPROTECT(bhp->buf, mfp->stat.st_pagesize,
PROT_READ);
- atomic_init(&alloc_bhp->ref, 1);
+ atomic_init_db(&alloc_bhp->ref, 1);
MUTEX_LOCK(env, alloc_bhp->mtx_buf);
alloc_bhp->priority = bhp->priority;
alloc_bhp->pgno = bhp->pgno;
diff --git a/mp/mp_mvcc.c b/mp/mp_mvcc.c
index 34467d2..f05aa0c 100644
--- a/mp/mp_mvcc.c
+++ b/mp/mp_mvcc.c
@@ -276,7 +276,7 @@ __memp_bh_freeze(dbmp, infop, hp, bhp, need_frozenp)
#else
memcpy(frozen_bhp, bhp, SSZA(BH, buf));
#endif
- atomic_init(&frozen_bhp->ref, 0);
+ atomic_init_db(&frozen_bhp->ref, 0);
if (mutex != MUTEX_INVALID)
frozen_bhp->mtx_buf = mutex;
else if ((ret = __mutex_alloc(env, MTX_MPOOL_BH,
@@ -428,7 +428,7 @@ __memp_bh_thaw(dbmp, infop, hp, frozen_bhp, alloc_bhp)
#endif
alloc_bhp->mtx_buf = mutex;
MUTEX_LOCK(env, alloc_bhp->mtx_buf);
- atomic_init(&alloc_bhp->ref, 1);
+ atomic_init_db(&alloc_bhp->ref, 1);
F_CLR(alloc_bhp, BH_FROZEN);
}
diff --git a/mp/mp_region.c b/mp/mp_region.c
index e6cece9..ddbe906 100644
--- a/mp/mp_region.c
+++ b/mp/mp_region.c
@@ -224,7 +224,7 @@ __memp_init(env, dbmp, reginfo_off, htab_buckets, max_nreg)
MTX_MPOOL_FILE_BUCKET, 0, &htab[i].mtx_hash)) != 0)
return (ret);
SH_TAILQ_INIT(&htab[i].hash_bucket);
- atomic_init(&htab[i].hash_page_dirty, 0);
+ atomic_init_db(&htab[i].hash_page_dirty, 0);
}
/*
@@ -269,7 +269,7 @@ __memp_init(env, dbmp, reginfo_off, htab_buckets, max_nreg)
hp->mtx_hash = (mtx_base == MUTEX_INVALID) ? MUTEX_INVALID :
mtx_base + i;
SH_TAILQ_INIT(&hp->hash_bucket);
- atomic_init(&hp->hash_page_dirty, 0);
+ atomic_init_db(&hp->hash_page_dirty, 0);
#ifdef HAVE_STATISTICS
hp->hash_io_wait = 0;
hp->hash_frozen = hp->hash_thawed = hp->hash_frozen_freed = 0;
diff --git a/mutex/mut_method.c b/mutex/mut_method.c
index 2588763..5c6d516 100644
--- a/mutex/mut_method.c
+++ b/mutex/mut_method.c
@@ -426,7 +426,7 @@ atomic_compare_exchange(env, v, oldval, newval)
MUTEX_LOCK(env, mtx);
ret = atomic_read(v) == oldval;
if (ret)
- atomic_init(v, newval);
+ atomic_init_db(v, newval);
MUTEX_UNLOCK(env, mtx);
return (ret);
diff --git a/mutex/mut_tas.c b/mutex/mut_tas.c
index f3922e0..e40fcdf 100644
--- a/mutex/mut_tas.c
+++ b/mutex/mut_tas.c
@@ -46,7 +46,7 @@ __db_tas_mutex_init(env, mutex, flags)
#ifdef HAVE_SHARED_LATCHES
if (F_ISSET(mutexp, DB_MUTEX_SHARED))
- atomic_init(&mutexp->sharecount, 0);
+ atomic_init_db(&mutexp->sharecount, 0);
else
#endif
if (MUTEX_INIT(&mutexp->tas)) {
@@ -486,7 +486,7 @@ __db_tas_mutex_unlock(env, mutex)
F_CLR(mutexp, DB_MUTEX_LOCKED);
/* Flush flag update before zeroing count */
MEMBAR_EXIT();
- atomic_init(&mutexp->sharecount, 0);
+ atomic_init_db(&mutexp->sharecount, 0);
} else {
DB_ASSERT(env, sharecount > 0);
MEMBAR_EXIT();
EOF
# The packaged config.guess and config.sub are ancient (2009) and can cause build issues.
# Replace them with modern versions.
# See https://github.com/bitcoin/bitcoin/issues/16064
CONFIG_GUESS_URL='https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=4550d2f15b3a7ce2451c1f29500b9339430c877f'
CONFIG_GUESS_HASH='c8f530e01840719871748a8071113435bdfdf75b74c57e78e47898edea8754ae'
CONFIG_SUB_URL='https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=4550d2f15b3a7ce2451c1f29500b9339430c877f'
CONFIG_SUB_HASH='3969f7d5f6967ccc6f792401b8ef3916a1d1b1d0f0de5a4e354c95addb8b800e'
rm -f "dist/config.guess"
rm -f "dist/config.sub"
http_get "${CONFIG_GUESS_URL}" dist/config.guess "${CONFIG_GUESS_HASH}"
http_get "${CONFIG_SUB_URL}" dist/config.sub "${CONFIG_SUB_HASH}"
cd build_unix/
"${BDB_PREFIX}/${BDB_VERSION}/dist/configure" \
--enable-cxx --disable-shared --disable-replication --with-pic --prefix="${BDB_PREFIX}" \
"${@}"
make install
echo
echo "db4 build complete."
echo
# shellcheck disable=SC2016
echo 'When compiling bitcoind, run `./configure` in the following way:'
echo
echo " export BDB_PREFIX='${BDB_PREFIX}'"
# shellcheck disable=SC2016
echo ' ./configure BDB_LIBS="-L${BDB_PREFIX}/lib -ldb_cxx-4.8" BDB_CFLAGS="-I${BDB_PREFIX}/include" ...'