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annotate INSTALL @ 282:9ee8ad3d4d30

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frtest: rm gsmfr-hand-test and gsmfr-max-out utils These hack programs were never properly documented and were written only as part of a debug chase, in pursuit of a bug that ultimately turned out to be in our then-hacky patch to osmo-bts-sysmo, before beginning of proper patches in Osmocom. These hack programs need to be dropped from the present sw package because they depend on old libgsm, and we are eliminating that dependency.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 14 Apr 2024 05:44:47 +0000
parents 34f8549ff0b1
children 4b6fa53a8240
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1 Dependency graph
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2 ================
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3
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4 The complete Themyscira GSM codec libraries & utilities package as presented
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5 here consists of two principal parts:
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6
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7 Division 1: libgsmefr and libgsmfrp, the two C code libraries intended to be
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8 usable by other software;
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9
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10 Division 2: various command line utilities that were developed under the
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11 umbrella of this project and are being released accordingly.
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12
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13 Division 2 components have a compile-time dependency on Division 1 (some of
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14 these Division 2 command line utilities link with libgsmefr or libgsmfrp), but
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15 not the other way around: neither libgsmefr nor libgsmfrp has any dependency on
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16 any other part of this package.
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17
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18 However, the original GSM 06.10 library (libgsm) from 1990s is a required
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19 dependency for several components of the present Themyscira package: libgsmfrp
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20 and several Division 2 command line utilities have a compile-time dependency on
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21 <gsm.h> header file provided by libgsm, and several Division 2 utilities also
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22 have a link dependency on libgsm itself. Therefore, libgsm should be considered
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23 a hard dependency for the present GSM codec libraries & utilities package as a
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24 whole, and it needs to be installed system-wide prior to compiling the present
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25 software.
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26
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27 Compiling and installing Themyscira libraries and utilities
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28 ===========================================================
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29
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30 Running 'make' at the top level of the present gsm-codec-lib package will
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31 compile both Division 1 and Division 2 software components (both libraries and
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32 utilities), with the top level Makefile codifying the dependency graph among
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33 them. Installation, however, is a little more complicated in that there is no
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34 single 'make install' target at the top level - instead of a single install
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35 target, the top Makefile provides two separate installation targets:
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36
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37 make install-lib Install libgsmefr and libgsmfrp system-wide:
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38 gsm_efr.h and gsm_fr_preproc.h are installed in
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39 /usr/local/include; libgsmefr.a and libgsmfrp.a are
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40 installed in /usr/local/lib. Superuser privileges
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41 are usually required to write to these directories.
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42
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43 make install-utils Install Division 2 command line utilities into
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44 /opt/freecalypso/bin directory, which is non-standard
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45 in the muggle world but has been established in our
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46 Themyscira community as the location for Themyscira-
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47 developed command line utilities working with GSM.
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48
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49 The just-described separation between install-lib and install-utils targets has
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50 been created because of the difference in install paths: libraries and their
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51 header files that need to be easily findable and usable by other people's
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52 unrelated software need to be installed under /usr/local, requiring su to root
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53 before each install cycle, whereas /opt/freecalypso/bin (writable without root
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54 privileges on the Mother's development machine) is much more convenient for
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55 Division 2 command line utilities.
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56
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57 However, the present gsm-codec-lib package differs from FreeCalypso host tools
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58 and SIM tools packages in that in the present package, you ARE allowed to freely
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59 change these installation directories to fit your own preferences. FC host
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60 tools and FC SIM tools packages carry very strong admonitions in their INSTALL
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61 documents to the effect that they MUST be installed under /opt/freecalypso and
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62 that this path cannot be changed; this strict imposition is made because of
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63 strong intercomponent dependencies within those software suites, with different
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64 components invoking each other or looking for their support files using hard-
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65 coded absolute pathnames. But the present gsm-codec-lib package is different:
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66 you are free to move our Division 2 command line utilities from
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67 /opt/freecalypso/bin to /usr/local/bin or anywhere else you like, and you are
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68 likewise free to move our Division 1 libraries from /usr/local/{include,lib} to
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69 whatever location would be most appropriate in your environment.
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70
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71 To change installation directories, you will need to edit subdirectory Makefiles
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72 as follows:
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73
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74 Division 1:
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75
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76 libgsmefr/Makefile
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77 libgsmfrp/Makefile
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78
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79 Division 2:
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80
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81 amrconv/Makefile
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82 efrtest/Makefile
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83 frtest/Makefile
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84 miscutil/Makefile