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-README_LINUX.txt for PortMidi
-Roger Dannenberg
-6 Dec 2012, revised May 2022
-
-Contents:
- To make PortMidi
- The pmdefaults program
- Setting LD_LIBRARY_PATH
- A note about amd64
- Using autoconf
- Using configure
- Changelog
-
-
-See ../README.md for general instructions.
-
-THE pmdefaults PROGRAM
-
-(This may be obsolete. It is older than `../README.md` which
-also discusses pmdefaults, and Java support may be removed
-unless someone claims they use it... -RBD)
-
-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
-
-27-may-2022 Roger B. Dannenberg
- Some updates to this file.
-
-6-dec-2012 Roger B. Dannenberg
- Copied notes on Autoconf from Audacity sources
-
-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