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freebsd-ports/java/openjdk16
Dimitry Andric e406118f77 java/openjdk13 java/openjdk14 java/openjdk15 java/openjdk16 java/openjdk17 java/openjdk17-jre: fix build with clang 14
During an exp-run for llvm 14 (see bug 261742), it turned out that
java/openjdk13 and java/openjdk17 fail to build with clang 14 (but this
also affects openjdk14 through 16):

=== Output from failing command(s) repeated here ===
* For target hotspot_variant-server_libjvm_objs_serviceThread.o:
/wrkdirs/usr/ports/java/openjdk13/work/jdk13u-jdk-13.0.10-5-1/src/hotspot/share/runtime/serviceThread.cpp:133:15: error: use of bitwise '|' with boolean operands [-Werror,-Wbitwise-instead-of-logical]
      while (((sensors_changed = LowMemoryDetector::has_pending_requests()) |
             ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/wrkdirs/usr/ports/java/openjdk13/work/jdk13u-jdk-13.0.10-5-1/src/hotspot/share/runtime/serviceThread.cpp:133:15: note: cast one or both operands to int to silence this warning
/wrkdirs/usr/ports/java/openjdk13/work/jdk13u-jdk-13.0.10-5-1/src/hotspot/share/runtime/serviceThread.cpp:133:15: error: use of bitwise '|' with boolean operands [-Werror,-Wbitwise-instead-of-logical]
      while (((sensors_changed = LowMemoryDetector::has_pending_requests()) |
              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/wrkdirs/usr/ports/java/openjdk13/work/jdk13u-jdk-13.0.10-5-1/src/hotspot/share/runtime/serviceThread.cpp:133:15: note: cast one or both operands to int to silence this warning
/wrkdirs/usr/ports/java/openjdk13/work/jdk13u-jdk-13.0.10-5-1/src/hotspot/share/runtime/serviceThread.cpp:133:15: error: use of bitwise '|' with boolean operands [-Werror,-Wbitwise-instead-of-logical]
      while (((sensors_changed = LowMemoryDetector::has_pending_requests()) |
              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/wrkdirs/usr/ports/java/openjdk13/work/jdk13u-jdk-13.0.10-5-1/src/hotspot/share/runtime/serviceThread.cpp:133:15: note: cast one or both operands to int to silence this warning
/wrkdirs/usr/ports/java/openjdk13/work/jdk13u-jdk-13.0.10-5-1/src/hotspot/share/runtime/serviceThread.cpp:133:15: error: use of bitwise '|' with boolean operands [-Werror,-Wbitwise-instead-of-logical]
      while (((sensors_changed = LowMemoryDetector::has_pending_requests()) |
              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   ... (rest of output omitted)

Although the warning is normally an indication of a potential problem,
in this case a comment just before the affected code explictly mentions
the reason for using bitwise '|' instead of logical '||':

      // Process all available work on each (outer) iteration, rather than
      // only the first recognized bit of work, to avoid frequently true early
      // tests from potentially starving later work.  Hence the use of
      // arithmetic-or to combine results; we don't want short-circuiting.

(See
<https://github.com/openjdk/jdk/blob/master/src/hotspot/share/runtime/serviceThread.cpp#L140>)

Therefore, we should suppress -Wbitwise-instead-of-logical for clang 14
and higher.

PR:		262845
Approved by:	portmgr (build fix blanket)
MFH:		2022Q2
2022-04-04 09:56:40 +02:00
..
files java/openjdk16: Fix build on aarch64. 2021-09-26 10:19:50 +02:00
distinfo
Makefile java/openjdk13 java/openjdk14 java/openjdk15 java/openjdk16 java/openjdk17 java/openjdk17-jre: fix build with clang 14 2022-04-04 09:56:40 +02:00
pkg-descr java/openjdk16: Fix WWW link to point to JDK 16 2021-11-23 22:40:16 -08:00
pkg-message