error when running jtreg tests

[Maurizio Cimadamore]

Hi,
i'm trying to run tests as follows:

make tests TEST=jdk_util

And I get this:

Building target 'test' in configuration 'linux-x86_64-normal-server-release'
Building JVM variant 'server' with features 'all-gcs cds compiler1 
compiler2 fprof jni-check jvmci jvmti management nmt services vm-structs'
/usr/bin/find: ‘/w/lt/9/dev/hotspot/test/compiler/native’: No such file 
or directory
/usr/bin/find: ‘/w/lt/9/dev/hotspot/test/compiler/native’: No such file 
or directory
/w/lt/9/dev/build/linux-x86_64-normal-server-release/support/test/hotspot/jtreg/native/support/exeFPRegs/exeFPRegs.o: 
In function `closeHandle':
/w/lt/9/dev/hotspot/make/test/../../test/runtime/jni/CalleeSavedRegisters/exeFPRegs.c:48: 
undefined reference to `dlclose'
/w/lt/9/dev/hotspot/make/test/../../test/runtime/jni/CalleeSavedRegisters/exeFPRegs.c:49: 
undefined reference to `dlerror'
/w/lt/9/dev/build/linux-x86_64-normal-server-release/support/test/hotspot/jtreg/native/support/exeFPRegs/exeFPRegs.o: 
In function `loadJVM':
/w/lt/9/dev/hotspot/make/test/../../test/runtime/jni/CalleeSavedRegisters/exeFPRegs.c:69: 
undefined reference to `dlopen'
/w/lt/9/dev/hotspot/make/test/../../test/runtime/jni/CalleeSavedRegisters/exeFPRegs.c:77: 
undefined reference to `dlsym'
/w/lt/9/dev/hotspot/make/test/../../test/runtime/jni/CalleeSavedRegisters/exeFPRegs.c:88: 
undefined reference to `dlerror'
collect2: error: ld returned 1 exit status
make[3]: *** 
[/w/lt/9/dev/build/linux-x86_64-normal-server-release/support/test/hotspot/jtreg/native/bin/FPRegs] 
Error 1
JtregNative.gmk:117: recipe for target 
'/w/lt/9/dev/build/linux-x86_64-normal-server-release/support/test/hotspot/jtreg/native/bin/FPRegs' 
failed
make/Main.gmk:410: recipe for target 'build-test-hotspot-jtreg-native' 
failed
make[2]: *** [build-test-hotspot-jtreg-native] Error 1
make[2]: *** Waiting for unfinished jobs....

ERROR: Build failed for target 'test' in configuration 
'linux-x86_64-normal-server-release' (exit code 2)
=== Output from failing command(s) repeated here ===
* For target 
support_test_hotspot_jtreg_native_support_exeFPRegs_BUILD_TEST_FPRegs_link:
/w/lt/9/dev/build/linux-x86_64-normal-server-release/support/test/hotspot/jtreg/native/support/exeFPRegs/exeFPRegs.o: 
In function `closeHandle':
/w/lt/9/dev/hotspot/make/test/../../test/runtime/jni/CalleeSavedRegisters/exeFPRegs.c:48: 
undefined reference to `dlclose'
/w/lt/9/dev/hotspot/make/test/../../test/runtime/jni/CalleeSavedRegisters/exeFPRegs.c:49: 
undefined reference to `dlerror'
/w/lt/9/dev/build/linux-x86_64-normal-server-release/support/test/hotspot/jtreg/native/support/exeFPRegs/exeFPRegs.o: 
In function `loadJVM':
/w/lt/9/dev/hotspot/make/test/../../test/runtime/jni/CalleeSavedRegisters/exeFPRegs.c:69: 
undefined reference to `dlopen'
/w/lt/9/dev/hotspot/make/test/../../test/runtime/jni/CalleeSavedRegisters/exeFPRegs.c:77: 
undefined reference to `dlsym'
/w/lt/9/dev/hotspot/make/test/../../test/runtime/jni/CalleeSavedRegisters/exeFPRegs.c:88: 
undefined reference to `dlerror'
collect2: error: ld returned 1 exit status
=== End of repeated output ===
=== Make failure sequence repeated here ===
JtregNative.gmk:117: recipe for target 
'/w/lt/9/dev/build/linux-x86_64-normal-server-release/support/test/hotspot/jtreg/native/bin/FPRegs' 
failed
make/Main.gmk:410: recipe for target 'build-test-hotspot-jtreg-native' 
failed
=== End of repeated output ===
Hint: Try searching the build log for the name of the first failed target.
Hint: If caused by a warning, try configure --disable-warnings-as-errors.

/w/lt/9/dev/make/Init.gmk:286: recipe for target 'main' failed
make[1]: *** [main] Error 1
/w/lt/9/dev/make/Init.gmk:185: recipe for target 'test' failed
make: *** [test] Error 2


Any idea of what is wrong? My spec.gmk points to the latest jtreg (I ran 
configure with --with-jtreg)

Thanks
Maurizio