> The proper way to fix this is to disable FDS. Does this mean I have to pass --disable-debug-symbols to configure ? I've added comment to JDK-8036003, I think if we pass --disable-debug-symbols to configure, gcc/g++ is not passed -g option. "-g" is needed to generate debuginfo.
Thanks, Yasumasa On 2014/02/28 23:04, Daniel D. Daugherty wrote: > The proper way to fix this is to disable FDS. We should not need > yet another option to control debug info. > > Dan > > > On 2/28/14 4:13 AM, David Holmes wrote: >> Hi, >> >> As I put in the bug report this seems way too complicated. Seems to me >> all you need to do to get what you want is not use FDS and not strip the >> symbols from the binary. The former is trivial. The latter is more >> awkward as the strip policy stuff does not work as I would want it to >> work, but still doable. >> >> David >> >> On 28/02/2014 7:18 PM, Yasumasa Suenaga wrote: >>> Hi all, >>> >>> >>> Currently, configure script can accept --disable-debug-symbols and >>> --disable-zip-debug-info as controlling to generate debug information. >>> However, current makefiles cannot build ELF binaries which is contained >>> debug information with "images" target. >>> >>> Some Linux distros use RPM as package manager. >>> RPM is built by rpmbuild command, it strips symbols and debug information >>> during to generate rpm packages. >>> https://fedoraproject.org/wiki/Packaging:Debuginfo >>> >>> For example, OpenJDK8 in Fedora20 ships libjvm.so and libjvm.debuginfo . >>> libjvm.debuginfo is generated in OpenJDK's makefiles, however it does not >>> contain debug information. Actual debug information is shipped by OpenJDK >>> debuginfo package. >>> This packaging is important when we have to debug JVM/JNI libraries. >>> If we want to use debugging tools (GDB, SystemTap, etc...), they may >>> requires >>> debuginfo package. Debuggee (e.g. libjvm.so) points libjvm.so.debug which is >>> located at sub directory in /usr/lib/debug . It is defined in ELF section >>> (.note.gnu.build-id) of libjvm.so . However libjvm.so.debug does not contain >>> valid debug information. We need to access libjvm.debuginfo.debug at same >>> location. >>> >>> >>> When we think to build OpenJDK rpm packages, we have to build ELF binaries >>> which contain all debug information. we should not to separate debug >>> information. >>> >>> >>> Thus I want to add a variable "SEPARATED_DEBUGINFO_FILES" . >>> If we pass "SEPARATED_DEBUGINFO_FILES=false" to make command, "make" does >>> not >>> execute objcopy command for generating debuginfo binaries. >>> >>> If we build rpm packages, we also have to add "STRIP_POLICY=no_strip" to >>> arguments >>> of make command. Or ELF binaries will be stripped. >>> >>> >>> I've uploaded webrev for this enhancement. >>> This is separated 3-part: top of forest, hotspot, jdk >>> http://cr.openjdk.java.net/~ysuenaga/JDK-8036003/ >>> >>> Please review it and sponsoring! >>> >>> >>> Thanks, >>> >>> Yasumasa >>> >>> >>> P.S. >>> I tried to add SEPARATED_DEBUGINFO_FILES as a configure option like >>> "--disable-separated-debug-info" . >>> I ran configure which is located at jdk9/dev directory after I ran >>> autoconf >>> and common/autoconf/autogen.sh. However it failed. >>> >>> I guess this is caused by changeset as below. >>> JDK-8035495: Improvements in autoconf integration >>> http://hg.openjdk.java.net/jdk9/dev/rev/6e29cd9ac2b4 >>> >>> This changes add "CHECKME" option to configure script. However, this >>> changes >>> affects "configure" only. It should change "configure.ac" . >>> >
