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([$NUM_CORES])
55 else
56 AC_MSG_RESULT([could not detect number of cores, defaulting to 1])
57 AC_MSG_WARN([This will disable all parallelism from build!])
58 fi
59 ])
60
61 AC_DEFUN([BPERF_CHECK_MEMORY_SIZE],
62 [
63 AC_MSG_CHECKING([for memory size])
64 # Default to 1024 MB
65 MEMORY_SIZE=1024
66 FOUND_MEM=no
67
68 if test -f /proc/meminfo; then
69 # Looks like a Linux (or cygwin) system
70 MEMORY_SIZE=`cat /proc/meminfo | grep MemTotal | awk '{print [$]2}'`
71 MEMORY_SIZE=`expr $MEMORY_SIZE / 1024`
72 FOUND_MEM=yes
73 elif test -x /usr/sbin/prtconf; then
74 # Looks like a Solaris or AIX system
75 MEMORY_SIZE=`/usr/sbin/prtconf | grep "^Memory [[Ss]]ize" | awk '{ print [$]3 }'`
76 FOUND_MEM=yes
77 elif test -x /usr/sbin/system_profiler; then
78 # Looks like a MacOSX system
79 MEMORY_SIZE=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Memory' | awk '{print [$]2}'`
80 MEMORY_SIZE=`expr $MEMORY_SIZE \* 1024`
81 FOUND_MEM=yes
82 elif test "x$OPENJDK_BUILD_OS" = xwindows; then
83 # Windows, but without cygwin
84 MEMORY_SIZE=`wmic computersystem get totalphysicalmemory -value | grep = | cut -d "=" -f 2-`
85 MEMORY_SIZE=`expr $MEMORY_SIZE / 1024 / 1024`
86 FOUND_MEM=yes
87 fi
88
89 if test "x$FOUND_MEM" = xyes; then
90 AC_MSG_RESULT([$MEMORY_SIZE MB])
91 else
92 AC_MSG_RESULT([could not detect memory size, defaulting to 1024 MB])
93 AC_MSG_WARN([This might seriously impact build performance!])
94 fi
95 ])
96
97 AC_DEFUN_ONCE([BPERF_SETUP_BUILD_CORES],
98 [
99 # How many cores do we have on this build system?
100 AC_ARG_WITH(num-cores, [AS_HELP_STRING([--with-num-cores],
101 [number of cores in the build system, e.g. --with-num-cores=8 @<:@probed@:>@])])
102 if test "x$with_num_cores" = x; then
103 # The number of cores were not specified, try to probe them.
104 BPERF_CHECK_CORES
105 else
106 NUM_CORES=$with_num_cores
107 fi
108 AC_SUBST(NUM_CORES)
109 ])
110
111 AC_DEFUN_ONCE([BPERF_SETUP_BUILD_MEMORY],
112 [
113 # How much memory do we have on this build system?
114 AC_ARG_WITH(memory-size, [AS_HELP_STRING([--with-memory-size],
115 [memory (in MB) available in the build system, e.g. --with-memory-size=1024 @<:@probed@:>@])])
116 if test "x$with_memory_size" = x; then
117 # The memory size was not specified, try to probe it.
118 BPERF_CHECK_MEMORY_SIZE
119 else
120 MEMORY_SIZE=$with_memory_size
121 fi
122 AC_SUBST(MEMORY_SIZE)
123 ])
124
125 AC_DEFUN_ONCE([BPERF_SETUP_BUILD_JOBS],
126 [
127 # Provide a decent default number of parallel jobs for make depending on
128 # number of cores, amount of memory and machine architecture.
129 AC_ARG_WITH(jobs, [AS_HELP_STRING([--with-jobs],
130 [number of parallel jobs to let make run @<:@calculated based on cores and memory@:>@])])
131 if test "x$with_jobs" = x; then
132 # Number of jobs was not specified, calculate.
133 AC_MSG_CHECKING([for appropriate number of jobs to run in parallel])
134 # Approximate memory in GB, rounding up a bit.
135 memory_gb=`expr $MEMORY_SIZE / 1100`
136 # Pick the lowest of memory in gb and number of cores.
137 if test "$memory_gb" -lt "$NUM_CORES"; then
138 JOBS="$memory_gb"
139 else
140 JOBS="$NUM_CORES"
141 # On bigger machines, leave some room for other processes to run
142 if test "$JOBS" -gt "4"; then
143 JOBS=`expr $JOBS '*' 90 / 100`
144 fi
145 fi
146 # Cap number of jobs to 16
147 if test "$JOBS" -gt "16"; then
148 JOBS=16
149 fi
150 if test "$JOBS" -eq "0"; then
151 JOBS=1
152 fi
153 AC_MSG_RESULT([$JOBS])
154 else
155 JOBS=$with_jobs
156 fi
157 AC_SUBST(JOBS)
158 ])
159
160 AC_DEFUN([BPERF_SETUP_CCACHE],
161 [
162 AC_ARG_ENABLE([ccache],
163 [AS_HELP_STRING([--enable-ccache],
164 [enable using ccache to speed up recompilations @<:@disabled@:>@])])
165
166 CCACHE=
167 AC_MSG_CHECKING([is ccache enabled])
168 ENABLE_CCACHE=$enable_ccache
169 if test "x$enable_ccache" = xyes; then
170 AC_MSG_RESULT([yes])
171 OLD_PATH="$PATH"
172 if test "x$TOOLS_DIR" != x; then
173 PATH=$TOOLS_DIR:$PATH
174 fi
175 BASIC_REQUIRE_PROGS(CCACHE, ccache)
176 CCACHE_STATUS="enabled"
177 PATH="$OLD_PATH"
178 elif test "x$enable_ccache" = xno; then
179 AC_MSG_RESULT([no, explicitly disabled])
180 elif test "x$enable_ccache" = x; then
181 AC_MSG_RESULT([no])
182 else
183 AC_MSG_RESULT([unknown])
184 AC_MSG_ERROR([--enable-ccache does not accept any parameters])
185 fi
186 AC_SUBST(CCACHE)
187
188 AC_ARG_WITH([ccache-dir],
189 [AS_HELP_STRING([--with-ccache-dir],
190 [where to store ccache files @<:@~/.ccache@:>@])])
191
192 if test "x$with_ccache_dir" != x; then
193 # When using a non home ccache directory, assume the use is to share ccache files
194 # with other users. Thus change the umask.
195 SET_CCACHE_DIR="CCACHE_DIR=$with_ccache_dir CCACHE_UMASK=002"
196 if test "x$CCACHE" = x; then
197 AC_MSG_WARN([--with-ccache-dir has no meaning when ccache is not enabled])
198 fi
199 fi
200
201 if test "x$CCACHE" != x; then
202 BPERF_SETUP_CCACHE_USAGE
203 fi
204 ])
205
206 AC_DEFUN([BPERF_SETUP_CCACHE_USAGE],
207 [
208 if test "x$CCACHE" != x; then
209 # Only use ccache if it is 3.1.4 or later, which supports
210 # precompiled headers.
211 AC_MSG_CHECKING([if ccache supports precompiled headers])
212 HAS_GOOD_CCACHE=`($CCACHE --version | head -n 1 | grep -E 3.1.@<:@456789@:>@) 2> /dev/null`
213 if test "x$HAS_GOOD_CCACHE" = x; then
214 AC_MSG_RESULT([no, disabling ccache])
215 CCACHE=
216 CCACHE_STATUS="disabled"
217 else
218 AC_MSG_RESULT([yes])
219 AC_MSG_CHECKING([if C-compiler supports ccache precompiled headers])
220 PUSHED_FLAGS="$CXXFLAGS"
221 CXXFLAGS="-fpch-preprocess $CXXFLAGS"
222 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [CC_KNOWS_CCACHE_TRICK=yes], [CC_KNOWS_CCACHE_TRICK=no])
223 CXXFLAGS="$PUSHED_FLAGS"
224 if test "x$CC_KNOWS_CCACHE_TRICK" = xyes; then
225 AC_MSG_RESULT([yes])
226 else
227 AC_MSG_RESULT([no, disabling ccaching of precompiled headers])
228 CCACHE=
229 CCACHE_STATUS="disabled"
230 fi
231 fi
232 fi
233
234 if test "x$CCACHE" != x; then
235 CCACHE_SLOPPINESS=time_macros
236 CCACHE="CCACHE_COMPRESS=1 $SET_CCACHE_DIR CCACHE_SLOPPINESS=$CCACHE_SLOPPINESS $CCACHE"
237 CCACHE_FLAGS=-fpch-preprocess
238
239 if test "x$SET_CCACHE_DIR" != x; then
240 mkdir -p $CCACHE_DIR > /dev/null 2>&1
241 chmod a+rwxs $CCACHE_DIR > /dev/null 2>&1
242 fi
243 fi
244 ])
245
246 AC_DEFUN_ONCE([BPERF_SETUP_PRECOMPILED_HEADERS],
247 [
248
249 ###############################################################################
250 #
251 # Can the C/C++ compiler use precompiled headers?
252 #
253 AC_ARG_ENABLE([precompiled-headers], [AS_HELP_STRING([--disable-precompiled-headers],
254 [disable using precompiled headers when compiling C++ @<:@enabled@:>@])],
255 [ENABLE_PRECOMPH=${enable_precompiled_headers}], [ENABLE_PRECOMPH=yes])
256
257 USE_PRECOMPILED_HEADER=1
258 if test "x$ENABLE_PRECOMPH" = xno; then
259 USE_PRECOMPILED_HEADER=0
260 fi
261
262 if test "x$ENABLE_PRECOMPH" = xyes; then
263 # Check that the compiler actually supports precomp headers.
264 if test "x$GCC" = xyes; then
265 AC_MSG_CHECKING([that precompiled headers work])
266 echo "int alfa();" > conftest.h
267 $CXX -x c++-header conftest.h -o conftest.hpp.gch 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
268 if test ! -f conftest.hpp.gch; then
269 USE_PRECOMPILED_HEADER=0
270 AC_MSG_RESULT([no])
271 else
272 AC_MSG_RESULT([yes])
273 fi
274 rm -f conftest.h conftest.hpp.gch
275 fi
276 fi
277
278 AC_SUBST(USE_PRECOMPILED_HEADER)
279 ])
280
281
282 AC_DEFUN_ONCE([BPERF_SETUP_SMART_JAVAC],
283 [
284 AC_ARG_WITH(sjavac-server-java, [AS_HELP_STRING([--with-sjavac-server-java],
285 [use this java binary for running the sjavac background server @<:@Boot JDK java@:>@])])
286
287 if test "x$with_sjavac_server_java" != x; then
288 SJAVAC_SERVER_JAVA="$with_sjavac_server_java"
289 FOUND_VERSION=`$SJAVAC_SERVER_JAVA -version 2>&1 | grep " version \""`
290 if test "x$FOUND_VERSION" = x; then
291 AC_MSG_ERROR([Could not execute server java: $SJAVAC_SERVER_JAVA])
292 fi
293 else
294 SJAVAC_SERVER_JAVA=""
295 # Hotspot specific options.
296 ADD_JVM_ARG_IF_OK([-verbosegc],SJAVAC_SERVER_JAVA,[$JAVA])
297 # JRockit specific options.
298 ADD_JVM_ARG_IF_OK([-Xverbose:gc],SJAVAC_SERVER_JAVA,[$JAVA])
299 SJAVAC_SERVER_JAVA="$JAVA $SJAVAC_SERVER_JAVA"
300 fi
301 AC_SUBST(SJAVAC_SERVER_JAVA)
302
303 if test "$MEMORY_SIZE" -gt "2500"; then
304 ADD_JVM_ARG_IF_OK([-d64],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
305 if test "$JVM_ARG_OK" = true; then
306 JVM_64BIT=true
307 JVM_ARG_OK=false
308 fi
309 fi
310
311 if test "$JVM_64BIT" = true; then
312 if test "$MEMORY_SIZE" -gt "17000"; then
313 ADD_JVM_ARG_IF_OK([-Xms10G -Xmx10G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
314 fi
315 if test "$MEMORY_SIZE" -gt "10000" && test "$JVM_ARG_OK" = false; then
316 ADD_JVM_ARG_IF_OK([-Xms6G -Xmx6G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
317 fi
318 if test "$MEMORY_SIZE" -gt "5000" && test "$JVM_ARG_OK" = false; then
319 ADD_JVM_ARG_IF_OK([-Xms1G -Xmx3G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
320 fi
321 if test "$MEMORY_SIZE" -gt "3800" && test "$JVM_ARG_OK" = false; then
322 ADD_JVM_ARG_IF_OK([-Xms1G -Xmx2500M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
323 fi
324 fi
325 if test "$MEMORY_SIZE" -gt "2500" && test "$JVM_ARG_OK" = false; then
326 ADD_JVM_ARG_IF_OK([-Xms1000M -Xmx1500M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
327 fi
328 if test "$MEMORY_SIZE" -gt "1000" && test "$JVM_ARG_OK" = false; then
329 ADD_JVM_ARG_IF_OK([-Xms400M -Xmx1100M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
330 fi
331 if test "$JVM_ARG_OK" = false; then
332 ADD_JVM_ARG_IF_OK([-Xms256M -Xmx512M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
333 fi
334
335 AC_MSG_CHECKING([whether to use sjavac])
336 AC_ARG_ENABLE([sjavac], [AS_HELP_STRING([--enable-sjavac],
337 [use sjavac to do fast incremental compiles @<:@disabled@:>@])],
338 [ENABLE_SJAVAC="${enableval}"], [ENABLE_SJAVAC='no'])
339 AC_MSG_RESULT([$ENABLE_SJAVAC])
340 AC_SUBST(ENABLE_SJAVAC)
341
342 if test "x$ENABLE_SJAVAC" = xyes; then
343 SJAVAC_SERVER_DIR="$OUTPUT_ROOT/javacservers"
344 else
345 SJAVAC_SERVER_DIR=
346 fi
347 AC_SUBST(SJAVAC_SERVER_DIR)
348 ])