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.\" ========================================================================
.\"
.IX Title "ERLANG-DEPENDS 1"
.TH ERLANG-DEPENDS 1 "2019\-10\-01" "1:22.1.1+dfsg\-2" "Erlang packages for Debian GNU/Linux"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.nh
.SH "NAME"
erlang\-depends \- calculates Erlang dependencies
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\fBerlang-depends\fR [\fIdebhelper\ options\fR]
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
erlang\-depends is a debhelper-like program that is responsible for generating
the substitution variables for Erlang-dependent packages.
.PP
The most useful variable is ${erlang:Depends}. It expands into the list of
Erlang packages which modules are used in the building package. It was
introduced in version 1:13.b.1\-dfsg\-3 of erlang-dev package.
.PP
Also, ${erlang\-abi:Depends} substitution adds current erlang \s-1ABI\s0 virtual
package to substvar files. It is useful if your package uses C-based
extensions which may break in case of \s-1ABI\s0 changes. It was introduced in
version 1:11.b.4\-4 of erlang\-dev package.
.PP
If your package stores precompiled PCRE regexps then it likely requires rebuild
when the PCRE library in Erlang updates. For those packages ${erlang\-pcre:Depends}
substitution adds current erlang \s1PCRE\s0 virtual package to subsstvar files.
It was introduced in version 1:22.1.1+dfsg\-2 of erlang\-dev.
.PP
If you want to fine tune your package dependencies then you may want to use
substvars for all Erlang packages you need. Currently they are:
${erlang\-base:Depends},
${erlang\-dev:Depends},
${erlang\-asn1:Depends},
${erlang\-common-test:Depends},
${erlang\-crypto:Depends},
${erlang\-debugger:Depends},
${erlang\-dialyzer:Depends},
${erlang\-edoc:Depends},
${erlang\-eldap:Depends},
${erlang\-et:Depends},
${erlang\-eunit:Depends},
${erlang\-ftp:Depends},
${erlang\-inets:Depends},
${erlang\-megaco:Depends},
${erlang\-mnesia:Depends},
${erlang\-observer:Depends},
${erlang\-odbc:Depends},
${erlang\-os-mon:Depends},
${erlang\-parsetools:Depends},
${erlang\-public-key:Depends},
${erlang\-reltool:Depends},
${erlang\-runtime-tools:Depends},
${erlang\-snmp:Depends},
${erlang\-ssh:Depends},
${erlang\-ssl:Depends},
${erlang\-syntax-tools:Depends},
${erlang\-tftp:Depends},
${erlang\-tools:Depends},
${erlang\-wx:Depends},
${erlang\-xmerl:Depends}.
.PP
All variables except ${erlang\-eldap:Depends}, ${erlang\-base:Depends}
and ${erlang\-dev:Depends} were introduced in version 1:13.b\-dfsg\-2 of
erlang\-dev package.
.PP
Variable ${erlang\-eldap:Depends} was added in version 1:15.b.1\-dfsg\-1
of erlang\-dev package because the new eldap application was included to the
Erlang distribution.
.PP
Variable ${erlang\-docbuilder:Depends} was dropped in version 1:15.b\-dfsg\-1
of erlang\-dev package because the docbuilder application was removed from the
Erlang distribution.
.PP
Variable ${erlang\-inviso:Depends} was dropped in version 1:16.b.1\-dfsg\-4
of erlang\-dev package because the inviso application was removed from the
Erlang distribution.
.PP
Variable ${erlang\-appmon:Depends} was dropped in version 1:17.0\-dfsg\-3
of erlang\-dev package because the appmon application was removed from the
Erlang distribution.
.PP
Variables ${erlang\-pman:Depends}, ${erlang\-toolbar:Depends}, ${erlang\-tv:Depends}
were dropped in version 1:17.3\-dfsg\-2 of erlang\-dev package because the
pman, toolbar and tv applications were removed from the Erlang distribution.
.PP
Variable ${erlang\-webtool:Depends} was dropped in version 1:19.0.4+dfsg\-1
of erlang\-dev package because the webtool application was removed from the
Erlang distribution.
.PP
Variable ${erlang\-test\-server:Depends} was dropped in version 1:19.0.5+dfsg\-2
of erlang\-dev package because the test_server application was removed from the
Erlang distribution.
.PP
Variables ${erlang\-gs:Depends}, ${erlang\-percept:Depends}, ${erlang\-typer:Depends}
were dropped in version 1:20.0+dfsg\-1 of erlang\-dev package because the
gs, percept and type applications were removed from the Erlang distribution.
.PP
Variables ${erlang\-ftp:Depends} and ${erlang\-tftp:Depends} were added in
version 1:21.0~rc1+dfsg\-1 of erlang\-dev package because the ftp and tftp
applications were split out from inets and included to the Erlang distribution
separately.
.PP
Variables ${erlang\-corba:Depends}, ${erlang\-ic:Depends}
were dropped in version 1:21.0~rc1+dfsg\-1 of erlang\-dev package because the
corba and ic applications were removed from the Erlang distribution.
.PP
For compatibility with older versions the variables
${erlang\-nox:Depends} and ${erlang\-x11:Depends} also work (even since the
corresponding packages turned into dummy packages).
.PP
If you use this program, your package must build-depend on erlang\-dev
(>= 1:13.b\-dfsg\-2). If you want your package to use automatic calculation
of dependencies then it must build-depend on erlang\-dev (>= 1:13.b.1\-dfsg\-3).
.SH "OPTIONS"
.IX Header "OPTIONS"
.IP "\fB\-v\fR, \fB\-\-verbose\fR" 4
.IX Item "-v, --verbose"
Verbose mode.
.IP "\fB\-a\fR, \fB\-\-arch\fR" 4
.IX Item "-a, --arch"
Act on all architecture dependent packages.
.IP "\fB\-i\fR, \fB\-\-indep\fR" 4
.IX Item "-i, --indep"
Act on all architecture independent packages.
.IP "\fB\-p\fR\fIpackage\fR, \fB\-\-package=\fR\fIpackage\fR" 4
.IX Item "-ppackage, --package=package"
Act on the package named \*(L"package\*(R". This option may be specified multiple
times.
.IP "\fB\-N\fR\fIpackage\fR, \fB\-\-no\-package=\fR\fIpackage\fR" 4
.IX Item "-Npackage, --no-package=package"
Do not act on the specified package even if an \-a, \-i, or \-p option lists
the package as one that should be acted on.
.IP "\fB\-\-ignore=\fR\fIfile\fR" 4
.IX Item "--ignore=file"
Ignore the specified file.
.IP "\fB\-P\fR\fItmpdir\fR, \fB\-\-tmpdir=\fR\fItmpdir\fR" 4
.IX Item "-Ptmpdir, --tmpdir=tmpdir"
Use \*(L"tmpdir\*(R" for package build directory. The default is debian/<package>
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fIdebhelper\fR\|(7)
.PP
This program is not part of debhelper.
.SH "AUTHORS"
.IX Header "AUTHORS"
Torsten Werner <twerner@debian.org> initially wrote it in Perl,
Sergei Golovan <sgolovan@debian.org> rewrote in Erlang (started from 1:13.b.1\-dfsg\-3).