1 #
2 # Copyright (c) 2011, 2012, 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_CORES=`/usr/sbin/prtconf | grep "^Number Of Processors" | awk '{ print [$]4 }'`
46 FOUND_CORES=yes
47 elif test -n "$NUMBER_OF_PROCESSORS"; then
48 # On windows, look in the env
49 NUM_CORES=$NUMBER_OF_PROCESSORS
50 FOUND_CORES=yes
51 fi
52
53 if test "x$FOUND_CORES" = xyes; then
54 AC_MSG_RESULT([$NUM_CORES])
55 else
56 AC_MSG_RESULT([could not detect number of cores, defaulting to 1])
57 AC_MSG_WARN([This will disable all parallelism from build!])
58 fi
59
60 ])
61
62 AC_DEFUN([BPERF_CHECK_MEMORY_SIZE],
63 [
64 AC_MSG_CHECKING([for memory size])
65 # Default to 1024 MB
66 MEMORY_SIZE=1024
67 FOUND_MEM=no
68
69 if test -f /proc/meminfo; then
70 # Looks like a Linux (or cygwin) system
71 MEMORY_SIZE=`cat /proc/meminfo | grep MemTotal | awk '{print [$]2}'`
72 MEMORY_SIZE=`expr $MEMORY_SIZE / 1024`
73 FOUND_MEM=yes
74 elif test -x /usr/sbin/prtconf; then
75 # Looks like a Solaris or AIX system
76 MEMORY_SIZE=`/usr/sbin/prtconf | grep "^Memory [[Ss]]ize" | awk '{ print [$]3 }'`
77 FOUND_MEM=yes
78 elif test -x /usr/sbin/system_profiler; then
79 # Looks like a MacOSX system
80 MEMORY_SIZE=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Memory' | awk '{print [$]2}'`
81 MEMORY_SIZE=`expr $MEMORY_SIZE \* 1024`
82 FOUND_MEM=yes
83 elif test "x$OPENJDK_BUILD_OS" = xwindows; then
84 # Windows, but without cygwin
85 MEMORY_SIZE=`wmic computersystem get totalphysicalmemory -value | grep = | cut -d "=" -f 2-`
86 MEMORY_SIZE=`expr $MEMORY_SIZE / 1024 / 1024`
87 FOUND_MEM=yes
88 fi
89
90 if test "x$FOUND_MEM" = xyes; then
91 AC_MSG_RESULT([$MEMORY_SIZE MB])
92 else
93 AC_MSG_RESULT([could not detect memory size, defaulting to 1024 MB])
94 AC_MSG_WARN([This might seriously impact build performance!])
95 fi
96 ])
97
98 AC_DEFUN_ONCE([BPERF_SETUP_BUILD_CORES],
99 [
100 # How many cores do we have on this build system?
101 AC_ARG_WITH(num-cores, [AS_HELP_STRING([--with-num-cores],
102 [number of cores in the build system, e.g. --with-num-cores=8 @<:@probed@:>@])])
103 if test "x$with_num_cores" = x; then
104 # The number of cores were not specified, try to probe them.
105 BPERF_CHECK_CORES
106 else
107 NUM_CORES=$with_num_cores
108 fi
109 AC_SUBST(NUM_CORES)
110 ])
111
112 AC_DEFUN_ONCE([BPERF_SETUP_BUILD_MEMORY],
113 [
114 # How much memory do we have on this build system?
115 AC_ARG_WITH(memory-size, [AS_HELP_STRING([--with-memory-size],
116 [memory (in MB) available in the build system, e.g. --with-memory-size=1024 @<:@probed@:>@])])
117 if test "x$with_memory_size" = x; then
118 # The memory size was not specified, try to probe it.
119 BPERF_CHECK_MEMORY_SIZE
120 else
121 MEMORY_SIZE=$with_memory_size
122 fi
123 AC_SUBST(MEMORY_SIZE)
124 ])
125
126 AC_DEFUN_ONCE([BPERF_SETUP_BUILD_JOBS],
127 [
128 # Provide a decent default number of parallel jobs for make depending on
129 # number of cores, amount of memory and machine architecture.
130 AC_ARG_WITH(jobs, [AS_HELP_STRING([--with-jobs],
131 [number of parallel jobs to let make run @<:@calculated based on cores and memory@:>@])])
132 if test "x$with_jobs" = x; then
133 # Number of jobs was not specified, calculate.
134 AC_MSG_CHECKING([for appropriate number of jobs to run in parallel])
135 # Approximate memory in GB, rounding up a bit.
136 memory_gb=`expr $MEMORY_SIZE / 1100`
137 # Pick the lowest of memory in gb and number of cores.
138 if test "$memory_gb" -lt "$NUM_CORES"; then
139 JOBS="$memory_gb"
140 else
141 JOBS="$NUM_CORES"
142 # On bigger machines, leave some room for other processes to run
143 if test "$JOBS" -gt "4"; then
144 JOBS=`expr $JOBS '*' 90 / 100`
145 fi
146 fi
147 # Cap number of jobs to 16
148 if test "$JOBS" -gt "16"; then
149 JOBS=16
150 fi
151 if test "$JOBS" -eq "0"; then
152 JOBS=1
153 fi
154 AC_MSG_RESULT([$JOBS])
155 else
156 JOBS=$with_jobs
157 fi
158 AC_SUBST(JOBS)
159 ])
160
161 AC_DEFUN([BPERF_SETUP_CCACHE],
162 [
163 AC_ARG_ENABLE([ccache],
164 [AS_HELP_STRING([--disable-ccache],
165 [disable using ccache to speed up recompilations @<:@enabled@:>@])],
166 [ENABLE_CCACHE=${enable_ccache}], [ENABLE_CCACHE=yes])
167 if test "x$ENABLE_CCACHE" = xyes; then
168 OLD_PATH="$PATH"
169 if test "x$TOOLS_DIR" != x; then
170 PATH=$TOOLS_DIR:$PATH
171 fi
172 AC_PATH_PROG(CCACHE, ccache)
173 PATH="$OLD_PATH"
174 else
175 AC_MSG_CHECKING([for ccache])
176 AC_MSG_RESULT([explicitly disabled])
177 CCACHE=
178 fi
179 AC_SUBST(CCACHE)
180
181 AC_ARG_WITH([ccache-dir],
182 [AS_HELP_STRING([--with-ccache-dir],
183 [where to store ccache files @<:@~/.ccache@:>@])])
184
185 if test "x$with_ccache_dir" != x; then
186 # When using a non home ccache directory, assume the use is to share ccache files
187 # with other users. Thus change the umask.
188 SET_CCACHE_DIR="CCACHE_DIR=$with_ccache_dir CCACHE_UMASK=002"
189 fi
190 CCACHE_FOUND=""
191 if test "x$CCACHE" != x; then
192 BPERF_SETUP_CCACHE_USAGE
193 fi
194 ])
195
196 AC_DEFUN([BPERF_SETUP_CCACHE_USAGE],
197 [
198 if test "x$CCACHE" != x; then
199 CCACHE_FOUND="true"
200 # Only use ccache if it is 3.1.4 or later, which supports
201 # precompiled headers.
202 AC_MSG_CHECKING([if ccache supports precompiled headers])
203 HAS_GOOD_CCACHE=`($CCACHE --version | head -n 1 | grep -E 3.1.@<:@456789@:>@) 2> /dev/null`
204 if test "x$HAS_GOOD_CCACHE" = x; then
205 AC_MSG_RESULT([no, disabling ccache])
206 CCACHE=
207 else
208 AC_MSG_RESULT([yes])
209 AC_MSG_CHECKING([if C-compiler supports ccache precompiled headers])
210 PUSHED_FLAGS="$CXXFLAGS"
211 CXXFLAGS="-fpch-preprocess $CXXFLAGS"
212 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [CC_KNOWS_CCACHE_TRICK=yes], [CC_KNOWS_CCACHE_TRICK=no])
213 CXXFLAGS="$PUSHED_FLAGS"
214 if test "x$CC_KNOWS_CCACHE_TRICK" = xyes; then
215 AC_MSG_RESULT([yes])
216 else
217 AC_MSG_RESULT([no, disabling ccaching of precompiled headers])
218 CCACHE=
219 fi
220 fi
221 fi
222
223 if test "x$CCACHE" != x; then
224 CCACHE_SLOPPINESS=time_macros
225 CCACHE="CCACHE_COMPRESS=1 $SET_CCACHE_DIR CCACHE_SLOPPINESS=$CCACHE_SLOPPINESS $CCACHE"
226 CCACHE_FLAGS=-fpch-preprocess
227
228 if test "x$SET_CCACHE_DIR" != x; then
229 mkdir -p $CCACHE_DIR > /dev/null 2>&1
230 chmod a+rwxs $CCACHE_DIR > /dev/null 2>&1
231 fi
232 fi
233 ])
234
235 AC_DEFUN_ONCE([BPERF_SETUP_PRECOMPILED_HEADERS],
236 [
237
238 ###############################################################################
239 #
240 # Can the C/C++ compiler use precompiled headers?
241 #
242 AC_ARG_ENABLE([precompiled-headers], [AS_HELP_STRING([--disable-precompiled-headers],
243 [disable using precompiled headers when compiling C++ @<:@enabled@:>@])],
244 [ENABLE_PRECOMPH=${enable_precompiled_headers}], [ENABLE_PRECOMPH=yes])
245
246 USE_PRECOMPILED_HEADER=1
247 if test "x$ENABLE_PRECOMPH" = xno; then
248 USE_PRECOMPILED_HEADER=0
249 fi
250
251 if test "x$ENABLE_PRECOMPH" = xyes; then
252 # Check that the compiler actually supports precomp headers.
253 if test "x$GCC" = xyes; then
254 AC_MSG_CHECKING([that precompiled headers work])
255 echo "int alfa();" > conftest.h
256 $CXX -x c++-header conftest.h -o conftest.hpp.gch 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
257 if test ! -f conftest.hpp.gch; then
258 USE_PRECOMPILED_HEADER=0
259 AC_MSG_RESULT([no])
260 else
261 AC_MSG_RESULT([yes])
262 fi
263 rm -f conftest.h conftest.hpp.gch
264 fi
265 fi
266
267 AC_SUBST(USE_PRECOMPILED_HEADER)
268 ])
269
270
271 AC_DEFUN_ONCE([BPERF_SETUP_SMART_JAVAC],
272 [
273 AC_ARG_WITH(sjavac-server-java, [AS_HELP_STRING([--with-sjavac-server-java],
274 [use this java binary for running the sjavac background server @<:@Boot JDK java@:>@])])
275
276 if test "x$with_sjavac_server_java" != x; then
277 SJAVAC_SERVER_JAVA="$with_sjavac_server_java"
278 FOUND_VERSION=`$SJAVAC_SERVER_JAVA -version 2>&1 | grep " version \""`
279 if test "x$FOUND_VERSION" = x; then
280 AC_MSG_ERROR([Could not execute server java: $SJAVAC_SERVER_JAVA])
281 fi
282 else
283 SJAVAC_SERVER_JAVA=""
284 # Hotspot specific options.
285 ADD_JVM_ARG_IF_OK([-verbosegc],SJAVAC_SERVER_JAVA,[$JAVA])
286 # JRockit specific options.
287 ADD_JVM_ARG_IF_OK([-Xverbose:gc],SJAVAC_SERVER_JAVA,[$JAVA])
288 SJAVAC_SERVER_JAVA="$JAVA $SJAVAC_SERVER_JAVA"
289 fi
290 AC_SUBST(SJAVAC_SERVER_JAVA)
291
292 if test "$MEMORY_SIZE" -gt "2500"; then
293 ADD_JVM_ARG_IF_OK([-d64],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
294 if test "$JVM_ARG_OK" = true; then
295 JVM_64BIT=true
296 JVM_ARG_OK=false
297 fi
298 fi
299
300 if test "$JVM_64BIT" = true; then
301 if test "$MEMORY_SIZE" -gt "17000"; then
302 ADD_JVM_ARG_IF_OK([-Xms10G -Xmx10G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
303 fi
304 if test "$MEMORY_SIZE" -gt "10000" && test "$JVM_ARG_OK" = false; then
305 ADD_JVM_ARG_IF_OK([-Xms6G -Xmx6G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
306 fi
307 if test "$MEMORY_SIZE" -gt "5000" && test "$JVM_ARG_OK" = false; then
308 ADD_JVM_ARG_IF_OK([-Xms1G -Xmx3G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
309 fi
310 if test "$MEMORY_SIZE" -gt "3800" && test "$JVM_ARG_OK" = false; then
311 ADD_JVM_ARG_IF_OK([-Xms1G -Xmx2500M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
312 fi
313 fi
314 if test "$MEMORY_SIZE" -gt "2500" && test "$JVM_ARG_OK" = false; then
315 ADD_JVM_ARG_IF_OK([-Xms1000M -Xmx1500M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
316 fi
317 if test "$MEMORY_SIZE" -gt "1000" && test "$JVM_ARG_OK" = false; then
318 ADD_JVM_ARG_IF_OK([-Xms400M -Xmx1100M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
319 fi
320 if test "$JVM_ARG_OK" = false; then
321 ADD_JVM_ARG_IF_OK([-Xms256M -Xmx512M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
322 fi
323
324 AC_MSG_CHECKING([whether to use sjavac])
325 AC_ARG_ENABLE([sjavac], [AS_HELP_STRING([--enable-sjavac],
326 [use sjavac to do fast incremental compiles @<:@disabled@:>@])],
327 [ENABLE_SJAVAC="${enableval}"], [ENABLE_SJAVAC='no'])
328 AC_MSG_RESULT([$ENABLE_SJAVAC])
329 AC_SUBST(ENABLE_SJAVAC)
330
331 if test "x$ENABLE_SJAVAC" = xyes; then
332 SJAVAC_SERVER_DIR="$OUTPUT_ROOT/javacservers"
333 else
334 SJAVAC_SERVER_DIR=
335 fi
336 AC_SUBST(SJAVAC_SERVER_DIR)
337
338 ])