1 #
   2 # Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
   3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4 #
   5 # This code is free software; you can redistribute it and/or modify it
   6 # under the terms of the GNU General Public License version 2 only, as
   7 # published by the Free Software Foundation.  Oracle designates this
   8 # particular file as subject to the "Classpath" exception as provided
   9 # by Oracle in the LICENSE file that accompanied this code.
  10 #
  11 # This code is distributed in the hope that it will be useful, but WITHOUT
  12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 # version 2 for more details (a copy is included in the LICENSE file that
  15 # accompanied this code).
  16 #
  17 # You should have received a copy of the GNU General Public License version
  18 # 2 along with this work; if not, write to the Free Software Foundation,
  19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20 #
  21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22 # or visit www.oracle.com if you need additional information or have any
  23 # questions.
  24 #
  25 
  26 AC_DEFUN([BPERF_CHECK_CORES],
  27 [
  28   AC_MSG_CHECKING([for number of cores])
  29   NUM_CORES=1
  30   FOUND_CORES=no
  31 
  32   if test -f /proc/cpuinfo; then
  33     # Looks like a Linux (or cygwin) system
  34     NUM_CORES=`cat /proc/cpuinfo  | grep -c processor`
  35     FOUND_CORES=yes
  36   elif test -x /usr/sbin/psrinfo; then
  37     # Looks like a Solaris system
  38     NUM_CORES=`LC_MESSAGES=C /usr/sbin/psrinfo -v | grep -c on-line`
  39     FOUND_CORES=yes
  40   elif test -x /usr/sbin/system_profiler; then
  41     # Looks like a MacOSX system
  42     NUM_CORES=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Cores' | awk  '{print [$]5}'`
  43     FOUND_CORES=yes
  44   elif test "x$OPENJDK_BUILD_OS" = xaix ; then
  45     NUM_LCPU=`lparstat -m 2> /dev/null | $GREP -o "lcpu=[[0-9]]*" | $CUT -d "=" -f 2`
  46     if test -n "$NUM_LCPU"; then
  47       NUM_CORES=$NUM_LCPU
  48       FOUND_CORES=yes
  49     fi
  50   elif test -n "$NUMBER_OF_PROCESSORS"; then
  51     # On windows, look in the env
  52     NUM_CORES=$NUMBER_OF_PROCESSORS
  53     FOUND_CORES=yes
  54   fi
  55 
  56   if test "x$FOUND_CORES" = xyes; then
  57     AC_MSG_RESULT([$NUM_CORES])
  58   else
  59     AC_MSG_RESULT([could not detect number of cores, defaulting to 1])
  60     AC_MSG_WARN([This will disable all parallelism from build!])
  61   fi
  62 ])
  63 
  64 AC_DEFUN([BPERF_CHECK_MEMORY_SIZE],
  65 [
  66   AC_MSG_CHECKING([for memory size])
  67   # Default to 1024 MB
  68   MEMORY_SIZE=1024
  69   FOUND_MEM=no
  70 
  71   if test -f /proc/meminfo; then
  72     # Looks like a Linux (or cygwin) system
  73     MEMORY_SIZE=`cat /proc/meminfo | grep MemTotal | awk '{print [$]2}'`
  74     MEMORY_SIZE=`expr $MEMORY_SIZE / 1024`
  75     FOUND_MEM=yes
  76   elif test -x /usr/sbin/prtconf; then
  77     # Looks like a Solaris or AIX system
  78     MEMORY_SIZE=`/usr/sbin/prtconf | grep "^Memory [[Ss]]ize" | awk '{ print [$]3 }'`
  79     FOUND_MEM=yes
  80   elif test -x /usr/sbin/system_profiler; then
  81     # Looks like a MacOSX system
  82     MEMORY_SIZE=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Memory' | awk  '{print [$]2}'`
  83     MEMORY_SIZE=`expr $MEMORY_SIZE \* 1024`
  84     FOUND_MEM=yes
  85   elif test "x$OPENJDK_BUILD_OS" = xwindows; then
  86     # Windows, but without cygwin
  87     MEMORY_SIZE=`wmic computersystem get totalphysicalmemory -value | grep = | cut -d "=" -f 2-`
  88     MEMORY_SIZE=`expr $MEMORY_SIZE / 1024 / 1024`
  89     FOUND_MEM=yes
  90   fi
  91 
  92   if test "x$FOUND_MEM" = xyes; then
  93     AC_MSG_RESULT([$MEMORY_SIZE MB])
  94   else
  95     AC_MSG_RESULT([could not detect memory size, defaulting to 1024 MB])
  96     AC_MSG_WARN([This might seriously impact build performance!])
  97   fi
  98 ])
  99 
 100 AC_DEFUN_ONCE([BPERF_SETUP_BUILD_CORES],
 101 [
 102   # How many cores do we have on this build system?
 103   AC_ARG_WITH(num-cores, [AS_HELP_STRING([--with-num-cores],
 104       [number of cores in the build system, e.g. --with-num-cores=8 @<:@probed@:>@])])
 105   if test "x$with_num_cores" = x; then
 106     # The number of cores were not specified, try to probe them.
 107     BPERF_CHECK_CORES
 108   else
 109     NUM_CORES=$with_num_cores
 110   fi
 111   AC_SUBST(NUM_CORES)
 112 ])
 113 
 114 AC_DEFUN_ONCE([BPERF_SETUP_BUILD_MEMORY],
 115 [
 116   # How much memory do we have on this build system?
 117   AC_ARG_WITH(memory-size, [AS_HELP_STRING([--with-memory-size],
 118       [memory (in MB) available in the build system, e.g. --with-memory-size=1024 @<:@probed@:>@])])
 119   if test "x$with_memory_size" = x; then
 120     # The memory size was not specified, try to probe it.
 121     BPERF_CHECK_MEMORY_SIZE
 122   else
 123     MEMORY_SIZE=$with_memory_size
 124   fi
 125   AC_SUBST(MEMORY_SIZE)
 126 ])
 127 
 128 AC_DEFUN_ONCE([BPERF_SETUP_BUILD_JOBS],
 129 [
 130   # Provide a decent default number of parallel jobs for make depending on
 131   # number of cores, amount of memory and machine architecture.
 132   AC_ARG_WITH(jobs, [AS_HELP_STRING([--with-jobs],
 133       [number of parallel jobs to let make run @<:@calculated based on cores and memory@:>@])])
 134   if test "x$with_jobs" = x; then
 135     # Number of jobs was not specified, calculate.
 136     AC_MSG_CHECKING([for appropriate number of jobs to run in parallel])
 137     # Approximate memory in GB, rounding up a bit.
 138     memory_gb=`expr $MEMORY_SIZE / 1100`
 139     # Pick the lowest of memory in gb and number of cores.
 140     if test "$memory_gb" -lt "$NUM_CORES"; then
 141       JOBS="$memory_gb"
 142     else
 143       JOBS="$NUM_CORES"
 144       # On bigger machines, leave some room for other processes to run
 145       if test "$JOBS" -gt "4"; then
 146         JOBS=`expr $JOBS '*' 90 / 100`
 147       fi
 148     fi
 149     # Cap number of jobs to 16
 150     if test "$JOBS" -gt "16"; then
 151       JOBS=16
 152     fi
 153     if test "$JOBS" -eq "0"; then
 154       JOBS=1
 155     fi
 156     AC_MSG_RESULT([$JOBS])
 157   else
 158     JOBS=$with_jobs
 159   fi
 160   AC_SUBST(JOBS)
 161 ])
 162 
 163 AC_DEFUN([BPERF_SETUP_CCACHE],
 164 [
 165   AC_ARG_ENABLE([ccache],
 166       [AS_HELP_STRING([--enable-ccache],
 167       [enable using ccache to speed up recompilations @<:@disabled@:>@])])
 168 
 169   CCACHE=
 170   AC_MSG_CHECKING([is ccache enabled])
 171   ENABLE_CCACHE=$enable_ccache
 172   if test "x$enable_ccache" = xyes; then
 173     AC_MSG_RESULT([yes])
 174     OLD_PATH="$PATH"
 175     if test "x$TOOLCHAIN_PATH" != x; then
 176       PATH=$TOOLCHAIN_PATH:$PATH
 177     fi
 178     BASIC_REQUIRE_PROGS(CCACHE, ccache)
 179     CCACHE_STATUS="enabled"
 180     PATH="$OLD_PATH"
 181   elif test "x$enable_ccache" = xno; then
 182     AC_MSG_RESULT([no, explicitly disabled])
 183   elif test "x$enable_ccache" = x; then
 184     AC_MSG_RESULT([no])
 185   else
 186     AC_MSG_RESULT([unknown])
 187     AC_MSG_ERROR([--enable-ccache does not accept any parameters])
 188   fi
 189   AC_SUBST(CCACHE)
 190 
 191   AC_ARG_WITH([ccache-dir],
 192       [AS_HELP_STRING([--with-ccache-dir],
 193       [where to store ccache files @<:@~/.ccache@:>@])])
 194 
 195   if test "x$with_ccache_dir" != x; then
 196     # When using a non home ccache directory, assume the use is to share ccache files
 197     # with other users. Thus change the umask.
 198     SET_CCACHE_DIR="CCACHE_DIR=$with_ccache_dir CCACHE_UMASK=002"
 199     if test "x$CCACHE" = x; then
 200       AC_MSG_WARN([--with-ccache-dir has no meaning when ccache is not enabled])
 201     fi
 202   fi
 203 
 204   if test "x$CCACHE" != x; then
 205     BPERF_SETUP_CCACHE_USAGE
 206   fi
 207 ])
 208 
 209 AC_DEFUN([BPERF_SETUP_CCACHE_USAGE],
 210 [
 211   if test "x$CCACHE" != x; then
 212     # Only use ccache if it is 3.1.4 or later, which supports
 213     # precompiled headers.
 214     AC_MSG_CHECKING([if ccache supports precompiled headers])
 215     HAS_GOOD_CCACHE=`($CCACHE --version | head -n 1 | grep -E 3.1.@<:@456789@:>@) 2> /dev/null`
 216     if test "x$HAS_GOOD_CCACHE" = x; then
 217       AC_MSG_RESULT([no, disabling ccache])
 218       CCACHE=
 219       CCACHE_STATUS="disabled"
 220     else
 221       AC_MSG_RESULT([yes])
 222       AC_MSG_CHECKING([if C-compiler supports ccache precompiled headers])
 223       PUSHED_FLAGS="$CXXFLAGS"
 224       CXXFLAGS="-fpch-preprocess $CXXFLAGS"
 225       AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [CC_KNOWS_CCACHE_TRICK=yes], [CC_KNOWS_CCACHE_TRICK=no])
 226       CXXFLAGS="$PUSHED_FLAGS"
 227       if test "x$CC_KNOWS_CCACHE_TRICK" = xyes; then
 228         AC_MSG_RESULT([yes])
 229       else
 230         AC_MSG_RESULT([no, disabling ccaching of precompiled headers])
 231         CCACHE=
 232         CCACHE_STATUS="disabled"
 233       fi
 234     fi
 235   fi
 236 
 237   if test "x$CCACHE" != x; then
 238     CCACHE_SLOPPINESS=time_macros
 239     CCACHE="CCACHE_COMPRESS=1 $SET_CCACHE_DIR CCACHE_SLOPPINESS=$CCACHE_SLOPPINESS $CCACHE"
 240     CCACHE_FLAGS=-fpch-preprocess
 241 
 242     if test "x$SET_CCACHE_DIR" != x; then
 243       mkdir -p $CCACHE_DIR > /dev/null 2>&1
 244       chmod a+rwxs $CCACHE_DIR > /dev/null 2>&1
 245     fi
 246   fi
 247 ])
 248 
 249 AC_DEFUN_ONCE([BPERF_SETUP_PRECOMPILED_HEADERS],
 250 [
 251 
 252   ###############################################################################
 253   #
 254   # Can the C/C++ compiler use precompiled headers?
 255   #
 256   AC_ARG_ENABLE([precompiled-headers], [AS_HELP_STRING([--disable-precompiled-headers],
 257       [disable using precompiled headers when compiling C++ @<:@enabled@:>@])],
 258       [ENABLE_PRECOMPH=${enable_precompiled_headers}], [ENABLE_PRECOMPH=yes])
 259 
 260   USE_PRECOMPILED_HEADER=1
 261   if test "x$ENABLE_PRECOMPH" = xno; then
 262     USE_PRECOMPILED_HEADER=0
 263   fi
 264 
 265   if test "x$ENABLE_PRECOMPH" = xyes; then
 266     # Check that the compiler actually supports precomp headers.
 267     if test "x$TOOLCHAIN_TYPE" = xgcc; then
 268       AC_MSG_CHECKING([that precompiled headers work])
 269       echo "int alfa();" > conftest.h
 270       $CXX -x c++-header conftest.h -o conftest.hpp.gch 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
 271       if test ! -f conftest.hpp.gch; then
 272         USE_PRECOMPILED_HEADER=0
 273         AC_MSG_RESULT([no])
 274       else
 275         AC_MSG_RESULT([yes])
 276       fi
 277       rm -f conftest.h conftest.hpp.gch
 278     fi
 279   fi
 280 
 281   AC_SUBST(USE_PRECOMPILED_HEADER)
 282 ])
 283 
 284 
 285 AC_DEFUN_ONCE([BPERF_SETUP_SMART_JAVAC],
 286 [
 287   AC_ARG_WITH(sjavac-server-java, [AS_HELP_STRING([--with-sjavac-server-java],
 288       [use this java binary for running the sjavac background server @<:@Boot JDK java@:>@])])
 289 
 290   if test "x$with_sjavac_server_java" != x; then
 291     SJAVAC_SERVER_JAVA="$with_sjavac_server_java"
 292     FOUND_VERSION=`$SJAVAC_SERVER_JAVA -version 2>&1 | grep " version \""`
 293     if test "x$FOUND_VERSION" = x; then
 294       AC_MSG_ERROR([Could not execute server java: $SJAVAC_SERVER_JAVA])
 295     fi
 296   else
 297     SJAVAC_SERVER_JAVA=""
 298     # Hotspot specific options.
 299     ADD_JVM_ARG_IF_OK([-verbosegc],SJAVAC_SERVER_JAVA,[$JAVA])
 300     # JRockit specific options.
 301     ADD_JVM_ARG_IF_OK([-Xverbose:gc],SJAVAC_SERVER_JAVA,[$JAVA])
 302     SJAVAC_SERVER_JAVA="$JAVA $SJAVAC_SERVER_JAVA"
 303   fi
 304   AC_SUBST(SJAVAC_SERVER_JAVA)
 305 
 306   if test "$MEMORY_SIZE" -gt "2500"; then
 307     ADD_JVM_ARG_IF_OK([-d64],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
 308     if test "$JVM_ARG_OK" = true; then
 309       JVM_64BIT=true
 310       JVM_ARG_OK=false
 311     fi
 312   fi
 313 
 314   if test "$JVM_64BIT" = true; then
 315     if test "$MEMORY_SIZE" -gt "17000"; then
 316       ADD_JVM_ARG_IF_OK([-Xms10G -Xmx10G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
 317     fi
 318     if test "$MEMORY_SIZE" -gt "10000" && test "$JVM_ARG_OK" = false; then
 319       ADD_JVM_ARG_IF_OK([-Xms6G -Xmx6G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
 320     fi
 321     if test "$MEMORY_SIZE" -gt "5000" && test "$JVM_ARG_OK" = false; then
 322       ADD_JVM_ARG_IF_OK([-Xms1G -Xmx3G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
 323     fi
 324     if test "$MEMORY_SIZE" -gt "3800" && test "$JVM_ARG_OK" = false; then
 325       ADD_JVM_ARG_IF_OK([-Xms1G -Xmx2500M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
 326     fi
 327   fi
 328   if test "$MEMORY_SIZE" -gt "2500" && test "$JVM_ARG_OK" = false; then
 329     ADD_JVM_ARG_IF_OK([-Xms1000M -Xmx1500M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
 330   fi
 331   if test "$MEMORY_SIZE" -gt "1000" && test "$JVM_ARG_OK" = false; then
 332     ADD_JVM_ARG_IF_OK([-Xms400M -Xmx1100M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
 333   fi
 334   if test "$JVM_ARG_OK" = false; then
 335     ADD_JVM_ARG_IF_OK([-Xms256M -Xmx512M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
 336   fi
 337 
 338   AC_MSG_CHECKING([whether to use sjavac])
 339   AC_ARG_ENABLE([sjavac], [AS_HELP_STRING([--enable-sjavac],
 340       [use sjavac to do fast incremental compiles @<:@disabled@:>@])],
 341       [ENABLE_SJAVAC="${enableval}"], [ENABLE_SJAVAC='no'])
 342   AC_MSG_RESULT([$ENABLE_SJAVAC])
 343   AC_SUBST(ENABLE_SJAVAC)
 344 
 345   if test "x$ENABLE_SJAVAC" = xyes; then
 346     SJAVAC_SERVER_DIR="$OUTPUT_ROOT/javacservers"
 347   else
 348     SJAVAC_SERVER_DIR=
 349   fi
 350   AC_SUBST(SJAVAC_SERVER_DIR)
 351 ])