jdk

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#
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# Copyright (c) 2011, 2024, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation.  Oracle designates this
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# particular file as subject to the "Classpath" exception as provided
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# by Oracle in the LICENSE file that accompanied this code.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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AC_DEFUN([BPERF_CHECK_CORES],
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[
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  AC_MSG_CHECKING([for number of cores])
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  if test -f /proc/cpuinfo; then
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    # Looks like a Linux (or cygwin) system
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    NUM_CORES=`cat /proc/cpuinfo  | grep -cw processor`
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    if test "$NUM_CORES" -eq "0"; then
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      NUM_CORES=`cat /proc/cpuinfo  | grep -c ^CPU`
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    fi
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  elif test -x /usr/sbin/sysctl; then
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    # Looks like a MacOSX system
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    NUM_CORES=`/usr/sbin/sysctl -n hw.ncpu`
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  elif test "x$OPENJDK_BUILD_OS" = xaix ; then
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    NUM_CORES=`lparstat -m 2> /dev/null | $GREP -o "lcpu=[[0-9]]*" | $CUT -d "=" -f 2`
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  elif test -n "$NUMBER_OF_PROCESSORS"; then
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    # On windows, look in the env
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    NUM_CORES=$NUMBER_OF_PROCESSORS
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  fi
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  if test "$NUM_CORES" -eq "0"; then
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    NUM_CORES=1
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    AC_MSG_RESULT([could not detect number of cores, defaulting to 1])
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    AC_MSG_WARN([This will disable all parallelism from build!])
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  else
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    AC_MSG_RESULT([$NUM_CORES])
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  fi
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])
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AC_DEFUN([BPERF_CHECK_MEMORY_SIZE],
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[
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  AC_MSG_CHECKING([for memory size])
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  # Default to 1024 MB
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  MEMORY_SIZE=1024
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  FOUND_MEM=no
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  if test -f /proc/meminfo; then
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    # Looks like a Linux (or cygwin) system
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    MEMORY_SIZE=`cat /proc/meminfo | grep MemTotal | awk '{print [$]2}'`
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    MEMORY_SIZE=`expr $MEMORY_SIZE / 1024`
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    FOUND_MEM=yes
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  elif test -x /usr/sbin/prtconf; then
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    # Looks like an AIX system
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    MEMORY_SIZE=`/usr/sbin/prtconf 2> /dev/null | grep "^Memory [[Ss]]ize" | awk '{ print [$]3 }'`
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    FOUND_MEM=yes
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  elif test -x /usr/sbin/sysctl; then
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    # Looks like a MacOSX system
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    MEMORY_SIZE=`/usr/sbin/sysctl -n hw.memsize`
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    MEMORY_SIZE=`expr $MEMORY_SIZE / 1024 / 1024`
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    FOUND_MEM=yes
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  elif test "x$OPENJDK_BUILD_OS" = xwindows; then
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    # Windows, but without cygwin
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    MEMORY_SIZE=`wmic computersystem get totalphysicalmemory -value | grep = | cut -d "=" -f 2-`
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    MEMORY_SIZE=`expr $MEMORY_SIZE / 1024 / 1024`
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    FOUND_MEM=yes
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  fi
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  if test "x$FOUND_MEM" = xyes; then
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    AC_MSG_RESULT([$MEMORY_SIZE MB])
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  else
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    AC_MSG_RESULT([could not detect memory size, defaulting to $MEMORY_SIZE MB])
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    AC_MSG_WARN([This might seriously impact build performance!])
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  fi
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])
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AC_DEFUN_ONCE([BPERF_SETUP_BUILD_CORES],
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[
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  # How many cores do we have on this build system?
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  AC_ARG_WITH(num-cores, [AS_HELP_STRING([--with-num-cores],
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      [number of cores in the build system, e.g. --with-num-cores=8 @<:@probed@:>@])])
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  if test "x$with_num_cores" = x; then
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    # The number of cores were not specified, try to probe them.
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    BPERF_CHECK_CORES
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  else
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    NUM_CORES=$with_num_cores
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  fi
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  AC_SUBST(NUM_CORES)
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])
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AC_DEFUN_ONCE([BPERF_SETUP_BUILD_MEMORY],
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[
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  # How much memory do we have on this build system?
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  AC_ARG_WITH(memory-size, [AS_HELP_STRING([--with-memory-size],
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      [memory (in MB) available in the build system, e.g. --with-memory-size=1024 @<:@probed@:>@])])
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  if test "x$with_memory_size" = x; then
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    # The memory size was not specified, try to probe it.
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    BPERF_CHECK_MEMORY_SIZE
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  else
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    MEMORY_SIZE=$with_memory_size
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  fi
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  AC_SUBST(MEMORY_SIZE)
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])
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AC_DEFUN_ONCE([BPERF_SETUP_BUILD_JOBS],
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[
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  # Provide a decent default number of parallel jobs for make depending on
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  # number of cores, amount of memory and machine architecture.
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  AC_ARG_WITH(jobs, [AS_HELP_STRING([--with-jobs],
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      [number of parallel jobs to let make run @<:@calculated based on cores and memory@:>@])])
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  if test "x$with_jobs" = x; then
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    # Number of jobs was not specified, calculate.
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    AC_MSG_CHECKING([for appropriate number of jobs to run in parallel])
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    # Approximate memory in GB.
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    memory_gb=`expr $MEMORY_SIZE / 1024`
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    # Pick the lowest of memory in gb and number of cores.
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    if test "$memory_gb" -lt "$NUM_CORES"; then
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      JOBS="$memory_gb"
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    else
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      JOBS="$NUM_CORES"
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    fi
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    if test "$JOBS" -eq "0"; then
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      JOBS=1
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    fi
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    AC_MSG_RESULT([$JOBS])
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  else
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    JOBS=$with_jobs
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  fi
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  AC_SUBST(JOBS)
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])
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AC_DEFUN_ONCE([BPERF_SETUP_TEST_JOBS],
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[
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  # The number of test jobs will be chosen automatically if TEST_JOBS is 0
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  AC_ARG_WITH(test-jobs, [AS_HELP_STRING([--with-test-jobs],
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      [number of parallel tests jobs to run @<:@based on build jobs@:>@])])
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  if test "x$with_test_jobs" = x; then
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      TEST_JOBS=0
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  else
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      TEST_JOBS=$with_test_jobs
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  fi
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  AC_SUBST(TEST_JOBS)
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])
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AC_DEFUN([BPERF_SETUP_CCACHE],
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[
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  # Check if ccache is available
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  CCACHE_AVAILABLE=true
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  OLD_PATH="$PATH"
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  if test "x$TOOLCHAIN_PATH" != x; then
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    PATH=$TOOLCHAIN_PATH:$PATH
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  fi
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  UTIL_LOOKUP_PROGS(CCACHE, ccache)
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  PATH="$OLD_PATH"
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  AC_MSG_CHECKING([if ccache is available])
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  if test "x$TOOLCHAIN_TYPE" != "xgcc" && test "x$TOOLCHAIN_TYPE" != "xclang"; then
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    AC_MSG_RESULT([no, not supported for toolchain type $TOOLCHAIN_TYPE])
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    CCACHE_AVAILABLE=false
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  elif test "x$CCACHE" = "x"; then
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    AC_MSG_RESULT([no, ccache binary missing or not executable])
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    CCACHE_AVAILABLE=false
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  else
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    AC_MSG_RESULT([yes])
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  fi
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  CCACHE_STATUS=""
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  UTIL_ARG_ENABLE(NAME: ccache, DEFAULT: false, AVAILABLE: $CCACHE_AVAILABLE,
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      DESC: [enable using ccache to speed up recompilations],
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      CHECKING_MSG: [if ccache is enabled],
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      IF_ENABLED: [
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        CCACHE_VERSION=[`$CCACHE --version | head -n1 | $SED 's/[A-Za-z ]*//'`]
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        CCACHE_STATUS="Active ($CCACHE_VERSION)"
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      ],
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      IF_DISABLED: [
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        CCACHE=""
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      ])
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  AC_SUBST(CCACHE)
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  AC_ARG_WITH([ccache-dir],
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      [AS_HELP_STRING([--with-ccache-dir],
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      [where to store ccache files @<:@~/.ccache@:>@])])
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  if test "x$with_ccache_dir" != x; then
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    # When using a non home ccache directory, assume the use is to share ccache files
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    # with other users. Thus change the umask.
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    SET_CCACHE_DIR="CCACHE_DIR=$with_ccache_dir CCACHE_UMASK=002"
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    if test "x$CCACHE" = x; then
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      AC_MSG_WARN([--with-ccache-dir has no meaning when ccache is not enabled])
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    fi
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  fi
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  if test "x$CCACHE" != x; then
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    BPERF_SETUP_CCACHE_USAGE
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  fi
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])
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AC_DEFUN([BPERF_SETUP_CCACHE_USAGE],
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[
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  if test "x$CCACHE" != x; then
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    if test "x$OPENJDK_BUILD_OS" = "xmacosx"; then
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      HAS_BAD_CCACHE=[`$ECHO $CCACHE_VERSION | \
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          $GREP -e '^1\.' -e '^2\.' -e '^3\.0\.' -e '^3\.1\.'`]
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      if test "x$HAS_BAD_CCACHE" != "x"; then
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        AC_MSG_ERROR([On macosx, ccache 3.2 or later is required, found $CCACHE_VERSION])
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      fi
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    fi
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    if test "x$USE_PRECOMPILED_HEADER" = "xtrue"; then
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      HAS_BAD_CCACHE=[`$ECHO $CCACHE_VERSION | \
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          $GREP -e '^1.*' -e '^2.*' -e '^3\.0.*' -e '^3\.1\.[0123]$'`]
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      if test "x$HAS_BAD_CCACHE" != "x"; then
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        AC_MSG_ERROR([Precompiled headers requires ccache 3.1.4 or later, found $CCACHE_VERSION])
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      fi
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      AC_MSG_CHECKING([if C-compiler supports ccache precompiled headers])
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      CCACHE_PRECOMP_FLAG="-fpch-preprocess"
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      PUSHED_FLAGS="$CXXFLAGS"
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      CXXFLAGS="$CCACHE_PRECOMP_FLAG $CXXFLAGS"
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      AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [CC_KNOWS_CCACHE_TRICK=yes], [CC_KNOWS_CCACHE_TRICK=no])
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      CXXFLAGS="$PUSHED_FLAGS"
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      if test "x$CC_KNOWS_CCACHE_TRICK" = xyes; then
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        AC_MSG_RESULT([yes])
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        CFLAGS_CCACHE="$CCACHE_PRECOMP_FLAG"
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        AC_SUBST(CFLAGS_CCACHE)
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        CCACHE_SLOPPINESS=pch_defines,time_macros
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      else
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        AC_MSG_RESULT([no])
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        AC_MSG_ERROR([Cannot use ccache with precompiled headers without compiler support for $CCACHE_PRECOMP_FLAG])
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      fi
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    fi
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    # The CCACHE_BASEDIR needs to end with '/' as ccache will otherwise think
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    # directories next to it, that have the base dir name as a prefix, are sub
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    # directories of CCACHE_BASEDIR.
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    CCACHE="CCACHE_COMPRESS=1 $SET_CCACHE_DIR \
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        CCACHE_SLOPPINESS=$CCACHE_SLOPPINESS CCACHE_BASEDIR=$WORKSPACE_ROOT/ $CCACHE"
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252
    if test "x$SET_CCACHE_DIR" != x; then
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      mkdir -p $CCACHE_DIR > /dev/null 2>&1
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      chmod a+rwxs $CCACHE_DIR > /dev/null 2>&1
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    fi
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  fi
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])
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################################################################################
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#
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# Runs icecc-create-env once and prints the error if it fails
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#
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# $1: arguments to icecc-create-env
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# $2: log file
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#
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AC_DEFUN([BPERF_RUN_ICECC_CREATE_ENV],
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[
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  ( cd ${CONFIGURESUPPORT_OUTPUTDIR}/icecc \
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      && ${ICECC_CREATE_ENV} $1 > $2 2>&1 )
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  if test "$?" != "0"; then
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    AC_MSG_NOTICE([icecc-create-env output:])
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    cat $2
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    AC_MSG_ERROR([Failed to create icecc compiler environment])
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  fi
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])
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################################################################################
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#
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# Optionally enable distributed compilation of native code using icecc/icecream
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#
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AC_DEFUN([BPERF_SETUP_ICECC],
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[
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  UTIL_ARG_ENABLE(NAME: icecc, DEFAULT: false, RESULT: ENABLE_ICECC,
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      DESC: [enable distributed compilation of native code using icecc/icecream])
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  if test "x$ENABLE_ICECC" = "xtrue"; then
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    UTIL_REQUIRE_PROGS(ICECC_CMD, icecc)
288
    old_path="$PATH"
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290
    # Look for icecc-create-env in some known places
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    PATH="$PATH:/usr/lib/icecc:/usr/lib64/icecc"
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    UTIL_REQUIRE_PROGS(ICECC_CREATE_ENV, icecc-create-env)
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    # Use icecc-create-env to create a minimal compilation environment that can
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    # be sent to the other hosts in the icecream cluster.
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    icecc_create_env_log="${CONFIGURESUPPORT_OUTPUTDIR}/icecc/icecc_create_env.log"
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    ${MKDIR} -p ${CONFIGURESUPPORT_OUTPUTDIR}/icecc
297
    # Older versions of icecc does not have the --gcc parameter
298
    if ${ICECC_CREATE_ENV} | $GREP -q -e --gcc; then
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      icecc_gcc_arg="--gcc"
300
    fi
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    if test "x${TOOLCHAIN_TYPE}" = "xgcc"; then
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      BPERF_RUN_ICECC_CREATE_ENV([${icecc_gcc_arg} ${CC} ${CXX}], \
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          ${icecc_create_env_log})
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    elif test "x$TOOLCHAIN_TYPE" = "xclang"; then
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      # For clang, the icecc compilerwrapper is needed. It usually resides next
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      # to icecc-create-env.
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      UTIL_REQUIRE_PROGS(ICECC_WRAPPER, compilerwrapper)
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      BPERF_RUN_ICECC_CREATE_ENV([--clang ${CC} ${ICECC_WRAPPER}], ${icecc_create_env_log})
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    else
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      AC_MSG_ERROR([Can only create icecc compiler packages for toolchain types gcc and clang])
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    fi
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    PATH="$old_path"
313
    # The bundle with the compiler gets a name based on checksums. Parse log file
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    # to find it.
315
    ICECC_ENV_BUNDLE_BASENAME="`${SED} -n '/^creating/s/creating //p' ${icecc_create_env_log}`"
316
    ICECC_ENV_BUNDLE="${CONFIGURESUPPORT_OUTPUTDIR}/icecc/${ICECC_ENV_BUNDLE_BASENAME}"
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    if test ! -f ${ICECC_ENV_BUNDLE}; then
318
      AC_MSG_ERROR([icecc-create-env did not produce an environment ${ICECC_ENV_BUNDLE}])
319
    fi
320
    AC_MSG_CHECKING([for icecc build environment for target compiler])
321
    AC_MSG_RESULT([${ICECC_ENV_BUNDLE}])
322
    ICECC="ICECC_VERSION=${ICECC_ENV_BUNDLE} ICECC_CC=${CC} ICECC_CXX=${CXX} ${ICECC_CMD}"
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324
    if test "x${COMPILE_TYPE}" = "xcross"; then
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      # If cross compiling, create a separate env package for the build compiler
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      # Assume "gcc" or "cc" is gcc and "clang" is clang. Otherwise bail.
327
      icecc_create_env_log_build="${CONFIGURESUPPORT_OUTPUTDIR}/icecc/icecc_create_env_build.log"
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      if test "x${BUILD_CC##*/}" = "xgcc" ||  test "x${BUILD_CC##*/}" = "xcc"; then
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        BPERF_RUN_ICECC_CREATE_ENV([${icecc_gcc_arg} ${BUILD_CC} ${BUILD_CXX}], \
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            ${icecc_create_env_log_build})
331
      elif test "x${BUILD_CC##*/}" = "xclang"; then
332
        BPERF_RUN_ICECC_CREATE_ENV([--clang ${BUILD_CC} ${ICECC_WRAPPER}], ${icecc_create_env_log_build})
333
      else
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        AC_MSG_ERROR([Cannot create icecc compiler package for ${BUILD_CC}])
335
      fi
336
      ICECC_ENV_BUNDLE_BASENAME="`${SED} -n '/^creating/s/creating //p' ${icecc_create_env_log_build}`"
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      ICECC_ENV_BUNDLE="${CONFIGURESUPPORT_OUTPUTDIR}/icecc/${ICECC_ENV_BUNDLE_BASENAME}"
338
      if test ! -f ${ICECC_ENV_BUNDLE}; then
339
        AC_MSG_ERROR([icecc-create-env did not produce an environment ${ICECC_ENV_BUNDLE}])
340
      fi
341
      AC_MSG_CHECKING([for icecc build environment for build compiler])
342
      AC_MSG_RESULT([${ICECC_ENV_BUNDLE}])
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      BUILD_ICECC="ICECC_VERSION=${ICECC_ENV_BUNDLE} ICECC_CC=${BUILD_CC} \
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          ICECC_CXX=${BUILD_CXX} ${ICECC_CMD}"
345
    else
346
      BUILD_ICECC="${ICECC}"
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    fi
348
  fi
349

350
  AC_SUBST(ICECC)
351
  AC_SUBST(BUILD_ICECC)
352
])
353

354
AC_DEFUN_ONCE([BPERF_SETUP_PRECOMPILED_HEADERS],
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[
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  # Are precompiled headers available?
357
  PRECOMPILED_HEADERS_AVAILABLE=true
358
  AC_MSG_CHECKING([if precompiled headers are available])
359
  if test "x$ICECC" != "x"; then
360
    AC_MSG_RESULT([no, does not work effectively with icecc])
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    PRECOMPILED_HEADERS_AVAILABLE=false
362
  elif test "x$TOOLCHAIN_TYPE" = xgcc; then
363
    # Check that the compiler actually supports precomp headers.
364
    echo "int alfa();" > conftest.h
365
    $CXX -x c++-header conftest.h -o conftest.hpp.gch 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
366
    if test ! -f conftest.hpp.gch; then
367
      PRECOMPILED_HEADERS_AVAILABLE=false
368
      AC_MSG_RESULT([no, gcc fails to compile properly with -x c++-header])
369
    else
370
      AC_MSG_RESULT([yes])
371
    fi
372
    $RM conftest.h conftest.hpp.gch
373
  else
374
    AC_MSG_RESULT([yes])
375
  fi
376

377
  UTIL_ARG_ENABLE(NAME: precompiled-headers, DEFAULT: auto,
378
      RESULT: USE_PRECOMPILED_HEADER, AVAILABLE: $PRECOMPILED_HEADERS_AVAILABLE,
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      DESC: [enable using precompiled headers when compiling C++])
380
  AC_SUBST(USE_PRECOMPILED_HEADER)
381
])
382

383

384
AC_DEFUN_ONCE([BPERF_SETUP_JAVAC_SERVER],
385
[
386
  UTIL_ARG_ENABLE(NAME: javac-server, DEFAULT: true,
387
      RESULT: ENABLE_JAVAC_SERVER,
388
      DESC: [enable javac server],
389
      CHECKING_MSG: [whether to use javac server])
390
  AC_SUBST(ENABLE_JAVAC_SERVER)
391
])
392