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+README_LINUX.txt for PortMidi
+Roger Dannenberg
+14 Oct 2009
+
+To make PortMidi, you need cmake and the Java SDK.
+Go back up to the portmidi directory and type:
+
+ccmake .
+
+Type 'c' (configure) and then 'g' (generate). You may have
+to manually set JAVA_INCLUDE_PATH and JAVA_JVM_LIBRARY
+by typing 't' (toggle to advanced mode) and using the
+editor to change the fields. You can find possible values
+for JAVA_INCLUDE_PATH by typing "locate jni.h", and for
+JAVA_JVM_LIBRARY by typing locate libjvm".
+
+You also need JAVA_INCLUDE_PATH2, but this will normally
+be set automatically after you set JAVA_INCLUDE_PATH and
+run "configure" (type "c" to ccmake). Normally,
+JAVA_INCLUDE_PATH2 is the linux subdirectory within
+JAVA_INCLUDE_PATH.
+
+Notice that the CMAKE_BUILD_TYPE can be Debug or Release.
+Stick with Release if you are not debugging.
+
+After successfully generating make files with ccmake, you
+can run make:
+
+make
+
+The Makefile will build all test programs and the portmidi
+library. For experimental software,
+especially programs running from the command line, we
+recommend using the Debug version -- it will terminate your
+program and print a helpful message if any PortMidi
+function returns an error code. (Released software should
+check for error codes and handle them, but for quick,
+non-critical projects, the automatic "print and die"
+handling can save some work.)
+
+THE pmdefaults PROGRAM
+
+You should install pmdefaults. It provides a graphical interface
+for selecting default MIDI IN and OUT devices so that you don't
+have to build device selection interfaces into all your programs
+and so users have a single place to set a preference.
+
+Follow the instructions above to run ccmake, making sure that
+CMAKE_BUILD_TYPE is Release. Run make as described above. Then:
+
+sudo make install
+
+This will install PortMidi libraries and the pmdefault program.
+You must alos have the environment variable LD_LIBRARY_PATH set
+to include /usr/local/lib (where libpmjni.so is installed).
+
+Now, you can run pmdefault.
+
+
+SETTING LD_LIBRARY_PATH
+
+pmdefaults will not work unless LD_LIBRARY_PATH includes a
+directory (normally /usr/local/lib) containing libpmjni.so,
+installed as described above.
+
+To set LD_LIBRARY_PATH, you might want to add this to your
+~/.profile (if you use the bash shell):
+
+LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib
+export LD_LIBRARY_PATH
+
+
+A NOTE ABOUT AMD64:
+
+When compiling portmidi under linux on an AMD64, I had to add the -fPIC
+flag to the gcc flags.
+
+Reason: when trying to build John Harrison's pyPortMidi gcc bailed out
+with this error:
+
+./linux/libportmidi.a(pmlinux.o): relocation R_X86_64_32 against `a local symbol' can not be used when making a shared object; recompile with -fPIC
+./linux/libportmidi.a: could not read symbols: Bad value
+collect2: ld returned 1 exit status
+error: command 'gcc' failed with exit status 1
+
+What they said:
+http://www.gentoo.org/proj/en/base/amd64/howtos/index.xml?part=1&chap=3
+On certain architectures (AMD64 amongst them), shared libraries *must*
+be "PIC-enabled".
+
+CHANGELOG
+
+22-jan-2010 Roger B. Dannenberg
+ Updated instructions about Java paths
+
+14-oct-2009 Roger B. Dannenberg
+ Using CMake now for building and configuration
+
+29-aug-2006 Roger B. Dannenberg
+ Fixed PortTime to join with time thread for clean exit.
+
+28-aug-2006 Roger B. Dannenberg
+ Updated this documentation.
+
+08-Jun-2004 Roger B. Dannenberg
+ Updated code to use new system abstraction.
+
+12-Apr-2003 Roger B. Dannenberg
+ Fixed pm_test/test.c to filter clocks and active messages.
+ Integrated changes from Clemens Ladisch:
+ cleaned up pmlinuxalsa.c
+ record timestamp on sysex input
+ deallocate some resources previously left open