how to build 32-bit openjdk7 on x86_64
Stephen.Bohne at Sun.COM
Wed Nov 28 14:31:40 UTC 2007
Ben Cheng wrote:
> Hi Folks,
> I am trying to build 32-bit openjdk7 from source under control/make,
> but I seem to have endless troubles picking up the right ARCH option.
> The source code is from the b23 snapshot.
> I started with
> make ARCH_DATA_MODEL=32 ALT_BOOTDIR=/usr/lib/jvm/java-6-sun
> ANT_HOME=<my_ant_path> FINDBUGS_HOME=<my_findbugs_path>
> It quickly failed with the following error:
> [ gcc command neglected]
> -ljvm -L/usr/lib/jvm/java-6-sun/jre/lib/amd64 -ljava
> -L/usr/lib/jvm/java-6-sun/jre/lib/amd64/server -ljvm -lc
> /usr/bin/ld: cannot find -ljvm
> because there is no amd64 under /usr/lib/jvm/java-6-sun/jre/lib but
> only i386, and without specifying ARCH the makefile relies on "uname
> -m" to guess the ARCH, and it chooses amd64 when seeing x86_64.
> So I tried to add ARCH=i386 in the command line. The build goes past
> the previous stage, but sees a different in building corba/make/javax/xa:
> /bin/sh: line 5: Check_ALT_JDK_IMPORT_PATH/bin/javac: No such file or
> This problem is slightly off topic, as it seems to require adding
> ALT_JDK_IMPORT_PATH to the command-line even my intention is to do a
> complete build. Although I still don't know why it is necessary,
> adding ALT_JDK_IMPORT_PATH=$ALT_BOOTDIR gets me past corba, but the
> builds stalls at hotspot:
> make: *** No rule to make target
> `openjdk/v1_7/hotspot/src/cpu/i386/vm/x86_32.ad', needed by
> `../generated/adfiles/linux_x86_32.ad'. Stop.
> Apparenly hotspot doesn't like ARCH=i386 but prefers ARCH=x86, and I
> found a place to hack in hotspot/build/linux/Makefile, where I
> override ARCH=$(SRCARCH) in the following context:
> $(TARGETS_C2): $(SUBDIRS_C2)
> cd $(OSNAME)_$(BUILDARCH)_compiler2/$@ && $(MAKE) $(MFLAGS)
> Then, the next error shows up in exporting jvmti.html, where I need to
> add the following rule in hotspot/build/linux/makefiles
> /defs.make if I define ARCH as i386:
> ifeq ($(ARCH), i386)
> ARCH_DATA_MODEL = 32
> PLATFORM = linux-i586
> VM_PLATFORM = linux_i486
> HS_ARCH = x86
> There is a similar patch for i586 so I suspect people tried to build
> hotspot with ARCH=i686 and ran into similar errors.
> Well, this is not the end of errors, as the next one shows up in
> jdk/make/java/jli, where it fails to locate ergo_i386.c because only
> the following two variants are available:
> In summary, my questions can be condensed into two:
> 1) Is control/make the right place to build everything from source. If
> so, why is ALT_JDK_IMPORT_PATH needed in the make command line?
> 2) What is the ARCH value applicable to all modules if the goal is to
> build 32-bit package on x86_64 platform?
I don't think (2) is supported, at least for the HotSpot workspace. You
have to build 32-bit on a 32-bit platform. Yes, the build could be more
flexible here. Patches are welcome. :)
Don't know the answer to (1), sorry.
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