Change paths and CMakeLists details so pmdefaults works on Linux.

.gitignore

@@ -16,4 +16,23 @@ cmake_install.cmake
 /portmidi.sln
 *.vcxproj
 *.vcxproj.filters
-*.vcxproj.user
+*.vcxproj.user
+/Makefile
+/libpmjni.so
+/pm_common/Makefile
+/pm_common/libportmidi-static.a
+/pm_java/Makefile
+/pm_test/Makefile
+/pm_test/fastrcv
+/pm_test/latency
+/pm_test/midiclock
+/pm_test/midithread
+/pm_test/midithru
+/pm_test/mm
+/pm_test/multivirtual
+/pm_test/qtest
+/pm_test/recvvirtual
+/pm_test/sendvirtual
+/pm_test/sysex
+/pm_test/testio
+/pm_test/virttest

pm_java/CMakeLists.txt

@@ -28,16 +28,19 @@ if(BUILD_PMDEFAULTS)
 
   project(pmdefaults NONE)
   include(UseJava)
-  add_jar(pmdefaults 
+
+  if(UNIX)
+    # There seems to be a bug in CMake - Linux complains if NAMESPACE is
+    # missing, but Windows does not make a working VS solution if NAMESPACE
+    # is present, so this "add_jar" call is almost duplicated: here for
+    # Linux/macOS and below for Windows...
+    add_jar(pmdefaults 
           SOURCES pmdefaults/PmDefaults.java pmdefaults/PmDefaultsFrame.java 
                   jportmidi/JPortMidi.java jportmidi/JPortMidiApi.java
                   jportmidi/JPortMidiException.java
-          # NAMESPACE did not seem to work on Windows - omitting it may
-          # cause out-of-source-tree builds to fail:
-          RESOURCES pmdefaults/portmusic_logo.png
+          RESOURCES NAMESPACE "." pmdefaults/portmusic_logo.png
           MANIFEST pmdefaults/manifest.txt
           OUTPUT_DIR pmdefaults)
-  if(UNIX)
     if(BUILD_JAVA_NATIVE_INTERFACE) 
       include(FindJNI) 
       # message(STATUS "JAVA_JVM_LIB_PATH is " ${JAVA_JVM_LIB_PATH})
@@ -67,6 +70,15 @@ if(BUILD_PMDEFAULTS)
     endif(APPLE)
   else(UNIX)
     if(WIN32) 
+      add_jar(pmdefaults 
+          SOURCES pmdefaults/PmDefaults.java pmdefaults/PmDefaultsFrame.java 
+                  jportmidi/JPortMidi.java jportmidi/JPortMidiApi.java
+                  jportmidi/JPortMidiException.java
+          # NAMESPACE did not seem to work on Windows - omitting it may
+          # cause out-of-source-tree builds to fail:
+          RESOURCES pmdefaults/portmusic_logo.png
+          MANIFEST pmdefaults/manifest.txt
+          OUTPUT_DIR pmdefaults)
       if(BUILD_JAVA_NATIVE_INTERFACE) 
         include(FindJNI)
         # note: should use JAVA_JVM_LIB_PATH, but it is not set properly 

pm_java/pmdefaults/pmdefaults

@@ -1 +1,8 @@
-java -Djava.library.path=../../Release:../../Debug -jar pmdefaults.jar > /dev/null
+#!/bin/sh
+# Run PmDefaults, the GUI to select default MIDI input and output for PortMidi
+# Due to the locations of the .jar file and libpmjni, this script only runs
+# from <portmidi-repo-path>/pm_java/pmdefaults. PmDefaults is minimally
+# supported -- if you would like it to appear as an app on your desktop,
+# contact the developer(s) and let us know it's actually being used.
+# library path here includes directory locations for macOS and Linux. 
+java -Djava.library.path=../../Release:../../Debug:../.. -jar pmdefaults.jar > /dev/null