build-performance.m4 revision 1827:e79b5043fd02
156896Sfenner# 275119Sfenner# Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. 356896Sfenner# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4214559Sdim# 5127676Sbms# This code is free software; you can redistribute it and/or modify it 656896Sfenner# under the terms of the GNU General Public License version 2 only, as 756896Sfenner# published by the Free Software Foundation. Oracle designates this 856896Sfenner# particular file as subject to the "Classpath" exception as provided 9146779Ssam# by Oracle in the LICENSE file that accompanied this code. 10172687Smlaier# 11146779Ssam# This code is distributed in the hope that it will be useful, but WITHOUT 12146779Ssam# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1356896Sfenner# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1456896Sfenner# version 2 for more details (a copy is included in the LICENSE file that 1556896Sfenner# accompanied this code). 1656896Sfenner# 1756896Sfenner# You should have received a copy of the GNU General Public License version 1856896Sfenner# 2 along with this work; if not, write to the Free Software Foundation, 1956896Sfenner# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2056896Sfenner# 2156896Sfenner# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2256896Sfenner# or visit www.oracle.com if you need additional information or have any 2356896Sfenner# questions. 2456896Sfenner# 2556896Sfenner 2656896SfennerAC_DEFUN([BPERF_CHECK_CORES], 2756896Sfenner[ 28127676Sbms AC_MSG_CHECKING([for number of cores]) 29127676Sbms NUM_CORES=1 30127676Sbms FOUND_CORES=no 3198528Sfenner 3298528Sfenner if test -f /proc/cpuinfo; then 3375119Sfenner # Looks like a Linux (or cygwin) system 34127676Sbms NUM_CORES=`cat /proc/cpuinfo | grep -c processor` 35127676Sbms FOUND_CORES=yes 36127676Sbms elif test -x /usr/sbin/psrinfo; then 37127676Sbms # Looks like a Solaris system 38127676Sbms NUM_CORES=`LC_MESSAGES=C /usr/sbin/psrinfo -v | grep -c on-line` 39127676Sbms FOUND_CORES=yes 40127676Sbms elif test -x /usr/sbin/system_profiler; then 41127676Sbms # Looks like a MacOSX system 42127676Sbms NUM_CORES=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Cores' | awk '{print [$]5}'` 43127676Sbms FOUND_CORES=yes 44127676Sbms elif test "x$OPENJDK_BUILD_OS" = xaix ; then 45127676Sbms NUM_CORES=`/usr/sbin/prtconf | grep "^Number Of Processors" | awk '{ print [$]4 }'` 46127676Sbms FOUND_CORES=yes 47127676Sbms elif test -n "$NUMBER_OF_PROCESSORS"; then 48127676Sbms # On windows, look in the env 49127676Sbms NUM_CORES=$NUMBER_OF_PROCESSORS 50127676Sbms FOUND_CORES=yes 51127676Sbms fi 52127676Sbms 53127676Sbms if test "x$FOUND_CORES" = xyes; then 54127676Sbms AC_MSG_RESULT([$NUM_CORES]) 55147905Ssam else 56147905Ssam AC_MSG_RESULT([could not detect number of cores, defaulting to 1]) 57147905Ssam AC_MSG_WARN([This will disable all parallelism from build!]) 58146779Ssam fi 59146779Ssam]) 60146779Ssam 61146779SsamAC_DEFUN([BPERF_CHECK_MEMORY_SIZE], 62146779Ssam[ 63146779Ssam AC_MSG_CHECKING([for memory size]) 64146779Ssam # Default to 1024 MB 65146779Ssam MEMORY_SIZE=1024 66146779Ssam FOUND_MEM=no 6798528Sfenner 6898528Sfenner if test -f /proc/meminfo; then 6998528Sfenner # Looks like a Linux (or cygwin) system 70127676Sbms MEMORY_SIZE=`cat /proc/meminfo | grep MemTotal | awk '{print [$]2}'` 71127676Sbms MEMORY_SIZE=`expr $MEMORY_SIZE / 1024` 7256896Sfenner FOUND_MEM=yes 73127676Sbms elif test -x /usr/sbin/prtconf; then 74127676Sbms # Looks like a Solaris or AIX system 7556896Sfenner MEMORY_SIZE=`/usr/sbin/prtconf | grep "^Memory [[Ss]]ize" | awk '{ print [$]3 }'` 76146779Ssam FOUND_MEM=yes 77146779Ssam elif test -x /usr/sbin/system_profiler; then 78146779Ssam # Looks like a MacOSX system 79146779Ssam MEMORY_SIZE=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Memory' | awk '{print [$]2}'` 80146779Ssam MEMORY_SIZE=`expr $MEMORY_SIZE \* 1024` 81146779Ssam FOUND_MEM=yes 82146779Ssam elif test "x$OPENJDK_BUILD_OS" = xwindows; then 83146779Ssam # Windows, but without cygwin 84146779Ssam MEMORY_SIZE=`wmic computersystem get totalphysicalmemory -value | grep = | cut -d "=" -f 2-` 85127676Sbms MEMORY_SIZE=`expr $MEMORY_SIZE / 1024 / 1024` 8675119Sfenner FOUND_MEM=yes 8775119Sfenner fi 88146779Ssam 89146779Ssam if test "x$FOUND_MEM" = xyes; then 90146779Ssam AC_MSG_RESULT([$MEMORY_SIZE MB]) 91146779Ssam else 92127676Sbms AC_MSG_RESULT([could not detect memory size, defaulting to $MEMORY_SIZE MB]) 9356896Sfenner AC_MSG_WARN([This might seriously impact build performance!]) 9456896Sfenner fi 95127676Sbms]) 96127676Sbms 97127676SbmsAC_DEFUN_ONCE([BPERF_SETUP_BUILD_CORES], 98235530Sdelphij[ 99235530Sdelphij # How many cores do we have on this build system? 100235530Sdelphij AC_ARG_WITH(num-cores, [AS_HELP_STRING([--with-num-cores], 101127676Sbms [number of cores in the build system, e.g. --with-num-cores=8 @<:@probed@:>@])]) 10256896Sfenner if test "x$with_num_cores" = x; then 10356896Sfenner # The number of cores were not specified, try to probe them. 104127676Sbms BPERF_CHECK_CORES 105127676Sbms else 10656896Sfenner NUM_CORES=$with_num_cores 107127676Sbms fi 108172687Smlaier AC_SUBST(NUM_CORES) 109127676Sbms]) 11056896Sfenner 111127676SbmsAC_DEFUN_ONCE([BPERF_SETUP_BUILD_MEMORY], 112127676Sbms[ 11356896Sfenner # How much memory do we have on this build system? 114127676Sbms AC_ARG_WITH(memory-size, [AS_HELP_STRING([--with-memory-size], 115127676Sbms [memory (in MB) available in the build system, e.g. --with-memory-size=1024 @<:@probed@:>@])]) 116127676Sbms if test "x$with_memory_size" = x; then 117127676Sbms # The memory size was not specified, try to probe it. 118127676Sbms BPERF_CHECK_MEMORY_SIZE 119127676Sbms else 120127676Sbms MEMORY_SIZE=$with_memory_size 121127676Sbms fi 122127676Sbms AC_SUBST(MEMORY_SIZE) 123127676Sbms]) 124127676Sbms 125127676SbmsAC_DEFUN_ONCE([BPERF_SETUP_BUILD_JOBS], 126127676Sbms[ 127146779Ssam # Provide a decent default number of parallel jobs for make depending on 128127676Sbms # number of cores, amount of memory and machine architecture. 129172687Smlaier AC_ARG_WITH(jobs, [AS_HELP_STRING([--with-jobs], 130172687Smlaier [number of parallel jobs to let make run @<:@calculated based on cores and memory@:>@])]) 131172687Smlaier if test "x$with_jobs" = x; then 132172687Smlaier # Number of jobs was not specified, calculate. 133127676Sbms AC_MSG_CHECKING([for appropriate number of jobs to run in parallel]) 134172687Smlaier # Approximate memory in GB. 135146779Ssam memory_gb=`expr $MEMORY_SIZE / 1024` 136127676Sbms # Pick the lowest of memory in gb and number of cores. 137214559Sdim if test "$memory_gb" -lt "$NUM_CORES"; then 138214559Sdim JOBS="$memory_gb" 139214559Sdim else 140214559Sdim JOBS="$NUM_CORES" 141214559Sdim fi 142214559Sdim if test "$JOBS" -eq "0"; then 143127676Sbms JOBS=1 144127676Sbms fi 145127676Sbms AC_MSG_RESULT([$JOBS]) 146214559Sdim else 147214559Sdim JOBS=$with_jobs 148214559Sdim fi 149127676Sbms AC_SUBST(JOBS) 150127676Sbms]) 151127676Sbms 152127676SbmsAC_DEFUN_ONCE([BPERF_SETUP_TEST_JOBS], 153127676Sbms[ 154127676Sbms # The number of test jobs will be chosen automatically if TEST_JOBS is 0 155127676Sbms AC_ARG_WITH(test-jobs, [AS_HELP_STRING([--with-test-jobs], 156127676Sbms [number of parallel tests jobs to run @<:@based on build jobs@:>@])]) 157127676Sbms if test "x$with_test_jobs" = x; then 158127676Sbms TEST_JOBS=0 159127676Sbms else 160127676Sbms TEST_JOBS=$with_test_jobs 161235530Sdelphij fi 162235530Sdelphij AC_SUBST(TEST_JOBS) 163235530Sdelphij]) 164214559Sdim 165214559SdimAC_DEFUN([BPERF_SETUP_CCACHE], 166214559Sdim[ 167127676Sbms AC_ARG_ENABLE([ccache], 16856896Sfenner [AS_HELP_STRING([--enable-ccache], 16956896Sfenner [enable using ccache to speed up recompilations @<:@disabled@:>@])]) 170127676Sbms 171127676Sbms CCACHE= 172127676Sbms CCACHE_STATUS= 173235530Sdelphij AC_MSG_CHECKING([is ccache enabled]) 174235530Sdelphij if test "x$enable_ccache" = xyes; then 175235530Sdelphij if test "x$TOOLCHAIN_TYPE" = "xgcc" -o "x$TOOLCHAIN_TYPE" = "xclang"; then 176127676Sbms AC_MSG_RESULT([yes]) 17756896Sfenner OLD_PATH="$PATH" 17856896Sfenner if test "x$TOOLCHAIN_PATH" != x; then 179127676Sbms PATH=$TOOLCHAIN_PATH:$PATH 18056896Sfenner fi 18156896Sfenner BASIC_REQUIRE_PROGS(CCACHE, ccache) 182127676Sbms PATH="$OLD_PATH" 18356896Sfenner CCACHE_VERSION=[`$CCACHE --version | head -n1 | $SED 's/[A-Za-z ]*//'`] 18456896Sfenner CCACHE_STATUS="Active ($CCACHE_VERSION)" 185127676Sbms else 186127676Sbms AC_MSG_RESULT([no]) 187127676Sbms AC_MSG_WARN([ccache is not supported with toolchain type $TOOLCHAIN_TYPE]) 188127676Sbms fi 18975119Sfenner elif test "x$enable_ccache" = xno; then 19075119Sfenner AC_MSG_RESULT([no, explicitly disabled]) 191214559Sdim CCACHE_STATUS="Disabled" 192214559Sdim elif test "x$enable_ccache" = x; then 193214559Sdim AC_MSG_RESULT([no]) 194127676Sbms else 195127676Sbms AC_MSG_RESULT([unknown]) 196127676Sbms AC_MSG_ERROR([--enable-ccache does not accept any parameters]) 197127676Sbms fi 198127676Sbms AC_SUBST(CCACHE) 199127676Sbms 200127676Sbms AC_ARG_WITH([ccache-dir], 20156896Sfenner [AS_HELP_STRING([--with-ccache-dir], 202127676Sbms [where to store ccache files @<:@~/.ccache@:>@])]) 203127676Sbms 20498528Sfenner if test "x$with_ccache_dir" != x; then 20556896Sfenner # When using a non home ccache directory, assume the use is to share ccache files 206127676Sbms # with other users. Thus change the umask. 207127676Sbms SET_CCACHE_DIR="CCACHE_DIR=$with_ccache_dir CCACHE_UMASK=002" 208127676Sbms if test "x$CCACHE" = x; then 209127676Sbms AC_MSG_WARN([--with-ccache-dir has no meaning when ccache is not enabled]) 210127676Sbms fi 211127676Sbms fi 212127676Sbms 213127676Sbms if test "x$CCACHE" != x; then 214127676Sbms BPERF_SETUP_CCACHE_USAGE 215127676Sbms fi 21675119Sfenner]) 21775119Sfenner 218127676SbmsAC_DEFUN([BPERF_SETUP_CCACHE_USAGE], 21975119Sfenner[ 22075119Sfenner if test "x$CCACHE" != x; then 221127676Sbms if test "x$USE_PRECOMPILED_HEADER" = "x1"; then 222127676Sbms HAS_BAD_CCACHE=[`$ECHO $CCACHE_VERSION | \ 223127676Sbms $GREP -e '^1.*' -e '^2.*' -e '^3\.0.*' -e '^3\.1\.[0123]$'`] 224172687Smlaier if test "x$HAS_BAD_CCACHE" != "x"; then 225172687Smlaier AC_MSG_ERROR([Precompiled headers requires ccache 3.1.4 or later, found $CCACHE_VERSION]) 226172687Smlaier fi 227172687Smlaier AC_MSG_CHECKING([if C-compiler supports ccache precompiled headers]) 228172687Smlaier CCACHE_PRECOMP_FLAG="-fpch-preprocess" 229172687Smlaier PUSHED_FLAGS="$CXXFLAGS" 230127676Sbms CXXFLAGS="$CCACHE_PRECOMP_FLAG $CXXFLAGS" 231127676Sbms AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [CC_KNOWS_CCACHE_TRICK=yes], [CC_KNOWS_CCACHE_TRICK=no]) 232127676Sbms CXXFLAGS="$PUSHED_FLAGS" 233127676Sbms if test "x$CC_KNOWS_CCACHE_TRICK" = xyes; then 234127676Sbms AC_MSG_RESULT([yes]) 235127676Sbms CFLAGS_CCACHE="$CCACHE_PRECOMP_FLAG" 236127676Sbms AC_SUBST(CFLAGS_CCACHE) 237127676Sbms CCACHE_SLOPPINESS=pch_defines,time_macros 238127676Sbms else 239235530Sdelphij AC_MSG_RESULT([no]) 240235530Sdelphij AC_MSG_ERROR([Cannot use ccache with precompiled headers without compiler support for $CCACHE_PRECOMP_FLAG]) 241235530Sdelphij fi 242127676Sbms fi 24356896Sfenner 24456896Sfenner CCACHE="CCACHE_COMPRESS=1 $SET_CCACHE_DIR \ 245127676Sbms CCACHE_SLOPPINESS=$CCACHE_SLOPPINESS CCACHE_BASEDIR=$TOPDIR $CCACHE" 24675119Sfenner 24775119Sfenner if test "x$SET_CCACHE_DIR" != x; then 248127676Sbms mkdir -p $CCACHE_DIR > /dev/null 2>&1 249127676Sbms chmod a+rwxs $CCACHE_DIR > /dev/null 2>&1 25056896Sfenner fi 251214559Sdim fi 252214559Sdim]) 253214559Sdim 254146779Ssam################################################################################ 255146779Ssam# 256146779Ssam# Optionally enable distributed compilation of native code using icecc/icecream 257146779Ssam# 258251158SdelphijAC_DEFUN([BPERF_SETUP_ICECC], 259146779Ssam[ 260127676Sbms AC_ARG_ENABLE([icecc], [AS_HELP_STRING([--enable-icecc], 261127676Sbms [enable distribted compilation of native code using icecc/icecream @<:@disabled@:>@])]) 26256896Sfenner 263127676Sbms if test "x${enable_icecc}" = "xyes"; then 264127676Sbms BASIC_REQUIRE_PROGS(ICECC_CMD, icecc) 26556896Sfenner old_path="$PATH" 266127676Sbms 267127676Sbms # Look for icecc-create-env in some known places 26856896Sfenner PATH="$PATH:/usr/lib/icecc:/usr/lib64/icecc" 269127676Sbms BASIC_REQUIRE_PROGS(ICECC_CREATE_ENV, icecc-create-env) 270127676Sbms # Use icecc-create-env to create a minimal compilation environment that can 27156896Sfenner # be sent to the other hosts in the icecream cluster. 272127676Sbms icecc_create_env_log="${CONFIGURESUPPORT_OUTPUTDIR}/icecc/icecc_create_env.log" 273127676Sbms ${MKDIR} -p ${CONFIGURESUPPORT_OUTPUTDIR}/icecc 27456896Sfenner AC_MSG_CHECKING([for icecc build environment for target compiler]) 275127676Sbms if test "x${TOOLCHAIN_TYPE}" = "xgcc"; then 276127676Sbms cd ${CONFIGURESUPPORT_OUTPUTDIR}/icecc \ 27756896Sfenner && ${ICECC_CREATE_ENV} --gcc ${CC} ${CXX} > ${icecc_create_env_log} 278214559Sdim elif test "x$TOOLCHAIN_TYPE" = "xclang"; then 279251158Sdelphij # For clang, the icecc compilerwrapper is needed. It usually resides next 280214559Sdim # to icecc-create-env. 281127676Sbms BASIC_REQUIRE_PROGS(ICECC_WRAPPER, compilerwrapper) 282127676Sbms cd ${CONFIGURESUPPORT_OUTPUTDIR}/icecc \ 283127676Sbms && ${ICECC_CREATE_ENV} --clang ${CC} ${ICECC_WRAPPER} > ${icecc_create_env_log} 284127676Sbms else 285127676Sbms AC_MSG_ERROR([Can only create icecc compiler packages for toolchain types gcc and clang]) 286127676Sbms fi 287214559Sdim PATH="$old_path" 288214559Sdim # The bundle with the compiler gets a name based on checksums. Parse log file 289214559Sdim # to find it. 290214559Sdim ICECC_ENV_BUNDLE_BASENAME="`${SED} -n '/^creating/s/creating //p' ${icecc_create_env_log}`" 291214559Sdim ICECC_ENV_BUNDLE="${CONFIGURESUPPORT_OUTPUTDIR}/icecc/${ICECC_ENV_BUNDLE_BASENAME}" 292214559Sdim AC_MSG_RESULT([${ICECC_ENV_BUNDLE}]) 293235530Sdelphij ICECC="ICECC_VERSION=${ICECC_ENV_BUNDLE} ICECC_CC=${CC} ICECC_CXX=${CXX} ${ICECC_CMD}" 294235530Sdelphij 295235530Sdelphij if test "x${COMPILE_TYPE}" = "xcross"; then 296214559Sdim # If cross compiling, create a separate env package for the build compiler 297214559Sdim AC_MSG_CHECKING([for icecc build environment for build compiler]) 298214559Sdim # Assume "gcc" or "cc" is gcc and "clang" is clang. Otherwise bail. 299214559Sdim if test "x${BUILD_CC##*/}" = "xgcc" || test "x${BUILD_CC##*/}" = "xcc"; then 300214559Sdim cd ${CONFIGURESUPPORT_OUTPUTDIR}/icecc \ 301214559Sdim && ${ICECC_CREATE_ENV} --gcc ${BUILD_CC} ${BUILD_CXX} > ${icecc_create_env_log} 302214559Sdim elif test "x${BUILD_CC##*/}" = "xclang"; then 303127676Sbms cd ${CONFIGURESUPPORT_OUTPUTDIR}/icecc \ 304127676Sbms && ${ICECC_CREATE_ENV} --clang ${BUILD_CC} ${ICECC_WRAPPER} > ${icecc_create_env_log} 305172687Smlaier else 306172687Smlaier AC_MSG_ERROR([Cannot create icecc compiler package for ${BUILD_CC}]) 307172687Smlaier fi 308172687Smlaier ICECC_ENV_BUNDLE_BASENAME="`${SED} -n '/^creating/s/creating //p' ${icecc_create_env_log}`" 309172687Smlaier ICECC_ENV_BUNDLE="${CONFIGURESUPPORT_OUTPUTDIR}/icecc/${ICECC_ENV_BUNDLE_BASENAME}" 310172687Smlaier AC_MSG_RESULT([${ICECC_ENV_BUNDLE}]) 311172687Smlaier BUILD_ICECC="ICECC_VERSION=${ICECC_ENV_BUNDLE} ICECC_CC=${BUILD_CC} \ 312172687Smlaier ICECC_CXX=${BUILD_CXX} ${ICECC_CMD}" 313172687Smlaier else 314172687Smlaier BUILD_ICECC="${ICECC}" 315172687Smlaier fi 316172687Smlaier AC_SUBST(ICECC) 317172687Smlaier AC_SUBST(BUILD_ICECC) 318172687Smlaier fi 319172687Smlaier]) 320172687Smlaier 321172687SmlaierAC_DEFUN_ONCE([BPERF_SETUP_PRECOMPILED_HEADERS], 322172687Smlaier[ 323172687Smlaier 324172687Smlaier ############################################################################### 325172687Smlaier # 326172687Smlaier # Can the C/C++ compiler use precompiled headers? 327172687Smlaier # 328172687Smlaier AC_ARG_ENABLE([precompiled-headers], [AS_HELP_STRING([--disable-precompiled-headers], 329 [disable using precompiled headers when compiling C++ @<:@enabled@:>@])], 330 [ENABLE_PRECOMPH=${enable_precompiled_headers}], [ENABLE_PRECOMPH=yes]) 331 332 USE_PRECOMPILED_HEADER=1 333 AC_MSG_CHECKING([If precompiled header is enabled]) 334 if test "x$ENABLE_PRECOMPH" = xno; then 335 AC_MSG_RESULT([no, forced]) 336 USE_PRECOMPILED_HEADER=0 337 elif test "x$ICECC" != "x"; then 338 AC_MSG_RESULT([no, does not work effectively with icecc]) 339 USE_PRECOMPILED_HEADER=0 340 else 341 AC_MSG_RESULT([yes]) 342 fi 343 344 if test "x$ENABLE_PRECOMPH" = xyes; then 345 # Check that the compiler actually supports precomp headers. 346 if test "x$TOOLCHAIN_TYPE" = xgcc; then 347 AC_MSG_CHECKING([that precompiled headers work]) 348 echo "int alfa();" > conftest.h 349 $CXX -x c++-header conftest.h -o conftest.hpp.gch 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD 350 if test ! -f conftest.hpp.gch; then 351 USE_PRECOMPILED_HEADER=0 352 AC_MSG_RESULT([no]) 353 else 354 AC_MSG_RESULT([yes]) 355 fi 356 rm -f conftest.h conftest.hpp.gch 357 fi 358 fi 359 360 AC_SUBST(USE_PRECOMPILED_HEADER) 361]) 362 363 364AC_DEFUN_ONCE([BPERF_SETUP_SMART_JAVAC], 365[ 366 AC_ARG_WITH(sjavac-server-java, [AS_HELP_STRING([--with-sjavac-server-java], 367 [use this java binary for running the sjavac background server @<:@Boot JDK java@:>@])]) 368 369 if test "x$with_sjavac_server_java" != x; then 370 SJAVAC_SERVER_JAVA="$with_sjavac_server_java" 371 FOUND_VERSION=`$SJAVAC_SERVER_JAVA -version 2>&1 | grep " version \""` 372 if test "x$FOUND_VERSION" = x; then 373 AC_MSG_ERROR([Could not execute server java: $SJAVAC_SERVER_JAVA]) 374 fi 375 else 376 SJAVAC_SERVER_JAVA="$JAVA" 377 fi 378 AC_SUBST(SJAVAC_SERVER_JAVA) 379 380 if test "$MEMORY_SIZE" -gt "3000"; then 381 ADD_JVM_ARG_IF_OK([-d64],SJAVAC_SERVER_JAVA_FLAGS,[$SJAVAC_SERVER_JAVA]) 382 if test "$JVM_ARG_OK" = true; then 383 JVM_64BIT=true 384 JVM_ARG_OK=false 385 fi 386 fi 387 388 MX_VALUE=`expr $MEMORY_SIZE / 2` 389 if test "$JVM_64BIT" = true; then 390 # Set ms lower than mx since more than one instance of the server might 391 # get launched at the same time before they figure out which instance won. 392 MS_VALUE=512 393 if test "$MX_VALUE" -gt "2048"; then 394 MX_VALUE=2048 395 fi 396 else 397 MS_VALUE=256 398 if test "$MX_VALUE" -gt "1500"; then 399 MX_VALUE=1500 400 fi 401 fi 402 if test "$MX_VALUE" -lt "512"; then 403 MX_VALUE=512 404 fi 405 ADD_JVM_ARG_IF_OK([-Xms${MS_VALUE}M -Xmx${MX_VALUE}M],SJAVAC_SERVER_JAVA_FLAGS,[$SJAVAC_SERVER_JAVA]) 406 AC_SUBST(SJAVAC_SERVER_JAVA_FLAGS) 407 408 AC_ARG_ENABLE([sjavac], [AS_HELP_STRING([--enable-sjavac], 409 [use sjavac to do fast incremental compiles @<:@disabled@:>@])], 410 [ENABLE_SJAVAC="${enableval}"], [ENABLE_SJAVAC="no"]) 411 if test "x$JVM_ARG_OK" = "xfalse"; then 412 AC_MSG_WARN([Could not set -Xms${MS_VALUE}M -Xmx${MX_VALUE}M, disabling sjavac]) 413 ENABLE_SJAVAC="no" 414 fi 415 AC_MSG_CHECKING([whether to use sjavac]) 416 AC_MSG_RESULT([$ENABLE_SJAVAC]) 417 AC_SUBST(ENABLE_SJAVAC) 418 419 AC_ARG_ENABLE([javac-server], [AS_HELP_STRING([--disable-javac-server], 420 [disable javac server @<:@enabled@:>@])], 421 [ENABLE_JAVAC_SERVER="${enableval}"], [ENABLE_JAVAC_SERVER="yes"]) 422 if test "x$JVM_ARG_OK" = "xfalse"; then 423 AC_MSG_WARN([Could not set -Xms${MS_VALUE}M -Xmx${MX_VALUE}M, disabling javac server]) 424 ENABLE_JAVAC_SERVER="no" 425 fi 426 AC_MSG_CHECKING([whether to use javac server]) 427 AC_MSG_RESULT([$ENABLE_JAVAC_SERVER]) 428 AC_SUBST(ENABLE_JAVAC_SERVER) 429 430 if test "x$ENABLE_JAVAC_SERVER" = "xyes" || "x$ENABLE_SJAVAC" = "xyes"; then 431 # When using a server javac, the small client instances do not need much 432 # resources. 433 JAVA_FLAGS_JAVAC="$JAVA_FLAGS_SMALL" 434 fi 435]) 436