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authorLucio Andrés Illanes Albornoz <lucio@lucioillanes.de>2021-08-24 14:24:41 +0200
committerLucio Andrés Illanes Albornoz <lucio@lucioillanes.de>2021-08-24 14:24:41 +0200
commita99d1364333bb752a2f7ee4f67a26bf45c87a9cd (patch)
tree4eee0e5e6c83b0b0bee5b646b300ec48451930a3 /etc
parent925e1490736b7508ddc856c779fcba31bbb932f0 (diff)
downloadmidipix_build-a99d1364333bb752a2f7ee4f67a26bf45c87a9cd.tar.bz2
midipix_build-a99d1364333bb752a2f7ee4f67a26bf45c87a9cd.tar.xz
etc/README.md: updated.
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-rw-r--r--etc/README.md858
1 files changed, 563 insertions, 295 deletions
diff --git a/etc/README.md b/etc/README.md
index 058e1afa..56c1a5aa 100644
--- a/etc/README.md
+++ b/etc/README.md
@@ -6,22 +6,30 @@ internal repositories required in order to build Midipix.
# Table of Contents
1. [What is midipix, and how is it different?](#1-what-is-midipix-and-how-is-it-different)
-2. [Building, installing, and using a midipix distribution](#2-building-installing-and-using-a-midipix-distribution)
- 2.1. [Build-time dependencies](#21-build-time-dependencies)
- 2.1.1. [Alpine-specific notate bene](#211-alpine-specific-notate-bene)
+2. [Building and deployment](#2-building-and-deployment)
+ 2.1. [Building, installing, and using a midipix distribution](#21-building-installing-and-using-a-midipix-distribution)
+ 2.1.1. [Build-time dependencies](#211-build-time-dependencies)
+ 2.1.1.1. [Alpine-specific notate bene](#2111-alpine-specific-notate-bene)
2.2. [Deployment](#22-deployment)
2.3. [System requirements](#23-system-requirements)
2.4. [Troubleshooting](#24-troubleshooting)
-3. [Common tasks](#3-common-tasks)
- 3.1. [Fault-tolerant & highly optimised 3D laser show-equipped usage screen](#31-fault-tolerant--highly-optimised-3d-laser-show-equipped-usage-screen)
+3. [Common concepts and tasks](#3-common-concepts-and-tasks)
+ 3.1. [Common tasks](#31-common-tasks)
3.2. [Adding a package](#32-adding-a-package)
3.3. [Addressing build failure](#33-addressing-build-failure)
- 3.4. [Patches and ``vars`` files](#34-patches-and-vars-files)
- 3.5. [``pkgtool.sh``](#35-pkgtoolsh)
- 3.5.1. [``-s``: package build shell environment](#351-s-package-build-shell-environment)
-4. [Build variables](#4-build-variables)
+ 3.4. [Package archive files and Git repositories](#34-package-archive-files-and-git-repositories)
+ 3.5. [``-s``: package build shell environment](#35--s-package-build-shell-environment)
+ 3.6. [Package-package and {package,group}-group relationships](#36-package-package-and-packagegroup-group-relationships)
+ 3.7. [Patches and ``vars`` files](#37-patches-and-vars-files)
+4. [Units reference](#4-units-reference)
4.1. [Build steps](#41-build-steps)
- 4.2. [Package variables](#42-package-variables)
+ 4.2. [Build variables](#42-build-variables)
+ 4.3. [Fault-tolerant & highly optimised 3D laser show-equipped usage screen](#43-fault-tolerant--highly-optimised-3d-laser-show-equipped-usage-screen)
+ 4.4. [File installation DSL](#44-file-installation-dsl)
+ 4.5. [Package variables](#45-package-variables)
+ 4.5.1. [Package variable types](#451-package-variable-types)
+ 4.5.2. [Package variables](#452-package-variables)
+ 4.6. [``pkgtool.sh``](#46-pkgtoolsh)
5. [References](#5-references)
[//]: "}}}"
@@ -51,8 +59,11 @@ in other projects.
[//]: "}}}"
-[//]: # "{{{ 2. Building, installing, and using a midipix distribution"
-## 2. Building, installing and using a midipix distribution
+[//]: # "{{{ 2. Building and deployment"
+## 2. Building and deployment
+[//]: # "}}}"
+[//]: # "{{{ 2.1. Building, installing, and using a midipix distribution"
+### 2.1. Building, installing and using a midipix distribution
A Midipix distribution consists of the following:
* the native Midipix toolchain, consisting of perk, gcc, its dependencies,
@@ -65,7 +76,7 @@ A Midipix distribution consists of the following:
any modern POSIX-compliant \*nix environment, including GNU coreutils, shells,
libraries such as ncurses, libressl, as well as Perl and Python.
-Install the build-time dependencies listed in section [2.1](#21-build-time-dependencies),
+Install the build-time dependencies listed in section [2.1.1](#211-build-time-dependencies),
clone this repository (e.g. ``git clone https://dev.midipix.org/build/midipix_build``)
and run the following command line:
@@ -75,8 +86,9 @@ and run the following command line:
By default, the build will take place within ``${HOME}/midipix/nt64/release``
and package archive files and/or Git repositores will be downloaded into
-``${HOME}/midipix/dlcache``. Consult sections [3.1](#31-fault-tolerant--highly-optimised-3d-laser-show-equipped-usage-screen), [4](#4-build-variables), and [4.1](#42-package-variables)
-for the list of available build variables and how to override them.
+``${HOME}/midipix/dlcache``. Consult sections [4.2](#42-build-variables) and
+[4.5](#45-package-variables) for the list of available build/package variables
+and how to override them.
Parallelisation is enabled by the above command line for both packages that can
be built independently of each other and ``make(1)`` via ``-j``, limited to the
amount of logical processors on the build host divided by two (2).
@@ -84,8 +96,8 @@ amount of logical processors on the build host divided by two (2).
[Back to top](#table-of-contents)
[//]: # "}}}"
-[//]: # "{{{ 2.1. Build-time dependencies"
-### 2.1. Build-time dependencies
+[//]: # "{{{ 2.1.1. Build-time dependencies"
+### 2.1.1. Build-time dependencies
* **Alpine Linux**:
binutils bzip2 cmake coreutils curl findutils g++ gawk gcc git grep gzip libc-dev linux-headers lzip make musl-dev net-tools patch perl perl-xml-parser procps sed tar util-linux wget xz zip
@@ -98,13 +110,13 @@ amount of logical processors on the build host divided by two (2).
> N.B. Busybox is not supported. Awk implementations other than GNU Awk are not supported.
-> N.B. gcc versions >7.5.0 are not supported.
+> N.B. gcc versions >7.5.0 are not supported. clang is not supported.
[Back to top](#table-of-contents)
[//]: # "}}}"
-[//]: # "{{{ 2.1.1. Alpine-specific notate bene"
-#### 2.1.1. Alpine-specific notate bene
+[//]: # "{{{ 2.1.1.1. Alpine-specific notate bene"
+#### 2.1.1.1. Alpine-specific notate bene
Some packages (*coreutils*, *grep*, and *tar*, among others) override Alpine's
BusyBox utilities of the same name, as the latter are either non-conformant or
@@ -117,7 +129,7 @@ defective.
### 2.2. Deployment
On successful completion of the build, a ZIP archive containing the Midipix
-distribution will be created inside ``${PREFIX}`` (see section [4](#4-build-variables).)
+distribution will be created inside ``${PREFIX}`` (see section [4.2](#42-build-variables).)
Create a directory on the target machine and extract the contents of the distribution
ZIP archive into it, run ``bash.bat``, and then ``/install.sh`` inside the resulting
self-contained Midipix installation shell window.
@@ -196,8 +208,11 @@ directory; this may be adjusted with the ``--log-dir`` and/or
[//]: # "}}}"
-[//]: # "{{{ 3. Common tasks"
-## 3. Common tasks
+[//]: # "{{{ 3. Common concepts and tasks"
+## 3. Common concepts and tasks
+[//]: # "}}}"
+[//]: # "{{{ 3.1. Common tasks"
+### 3.1. Common tasks
Rebuild set of packages in isolation:
```shell
@@ -242,89 +257,6 @@ Forcibly (re)download all archive files and/or Git repositories associated with
[Back to top](#table-of-contents)
[//]: # "}}}"
-[//]: # "{{{ 3.1. Fault-tolerant & highly optimised 3D laser show-equipped usage screen"
-## 3.1. Fault-tolerant & highly optimised 3D laser show-equipped usage screen
-
-```
-usage: ./build.sh [-a nt32|nt64] [-b debug|release] [-C dir[,..]] [-D kind[,..]]
- [-F ipv4|ipv6|offline] [-h|--help] [-p jobs] [-P] [-r ALL|LAST]
- [-r [*[*[*]]]name[,..][:[^|<|<=|>|>=]step,..]] [-R] [-v[v[v]]] [-x]
- [--as-needed] [--debug-minipix] [--dump-on-abort] [--reset-state]
- [--roar] [[=]<group>|<variable name>=<variable override>[ ..]]
-
- -a nt32|nt64 Selects 32-bit or 64-bit architecture; defaults to nt64.
- -b debug|release Selects debug or release build kind; defaults to debug.
- -C dir[,..] Clean build directory (build,) ${PREFIX} before processing build
- scripts (prefix,) source directory (src,) and/or destination
- directory (dest) after successful package builds.
- -D kind[,..] Produce minimal midipix distribution directory (minipix,) RPM
- binary packages (rpm,) and/or deployable distribution ZIP
- archive (zipdist.) zipdist implies minipix.
- -F ipv4|ipv6|offline
- Force IPv4 (ipv4) or IPv6 (ipv6) when downloading package
- archives and/or Git repositories or don't download either at all
- (offline.)
- -h|--help Show short/full help screen, respectively.
- -p jobs Enables parallelisation at group-level, whenever applicable.
- -P The maximum count of jobs defaults to the number of logical
- processors on the host system divided by two (2.)
-
- If -R is not specified and at least one (1) package fails to
- build, all remaining package builds will be forcibly aborted.
-
- -r ALL|LAST Restart all packages or the last failed package and resume
- build, resp.
- -r [*[*[*]]]name[,..][:ALL|LAST|[^|<|<=|>|>=]step,..]
- Restart the specified comma-separated package(s) w/ inhibition
- of package build step state resetting completely (`ALL',) starting
- at the resp. last successfully executed build steps (`LAST',) or the
- specified comma-separated list of build steps, optionally subject
- concerning package name(s) and/or build step(s) to the below modifiers:
-
- Prepend name w/ `*' to automatically include dependencies, `**'
- to forcibly rebuild all dependencies, and `***` to forcibly
- rebuild all packages that depend on the specified package(s).
-
- Prepend step w/ `^' to filter build steps with, `<' or `<='
- to constrain build steps to below or below or equal with, resp.,
- `>' or `>=' to constrain build steps to above or above or equal
- with, resp.
-
- Currently defined build steps are:
- fetch_clean, fetch_download, fetch_extract, configure_clean,
- configure_patch_pre, configure_autotools, configure_patch,
- configure, build_clean, build, install_clean, install_subdirs,
- install_make, install_files, install_libs, install, install_rpm,
- and clean.
-
- Additionally, the following virtual steps are provided:
- @fetch, @configure, @build, @install, @clean, and finish.
-
- -R Ignore build failures, skip printing package logs, and continue
- building (relaxed mode.)
- -v[v[v]] Be verbose; -vv: always print package logs; -vvv: logs fileops.
- -x Set xtrace during package builds.
-
- --as-needed Don't build unless the midipix_build repository has received
- new commits.
- --debug-minipix Don't strip(1) minipix binaries to facilitate debugging minipix.
- --dump-on-abort Produce package environment dump files on build failure to be
- used in conjuction with pkg_shell.sh script (excludes -R.)
- --reset-state Reset package build step state on exit.
-
- <group>[ ..] One of: dev_packages, dist, host_deps, host_deps_rpm,
- host_toolchain, host_tools, minipix, native_packages,
- native_runtime, native_toolchain, native_tools.
-
- Prepend w/ `=' to inhibit group-group dependency expansion.
-
- <variable name>=<variable override>[ ..]
- Override build or package variable.
-```
-
-[Back to top](#table-of-contents)
-
-[//]: # "}}}"
[//]: # "{{{ 3.2. Adding a package"
## 3.2. Adding a package
@@ -345,8 +277,8 @@ which are specified in this order.
Pick a build group according to the criteria mentioned, add the package to the
build group's list of contained packages in its corresponding file, and add the
-set of package variables required (see above and section [4.2](#42-package-variables).)
-Consult section [3.4](#34-patches-and-vars-files) if the package to be added
+set of package variables required (see above and section [4.5](#45-package-variables).)
+Consult section [3.7](#37-patches-and-vars-files) if the package to be added
requires patches or additional code amending or replacing package build steps
or the entire package build. Consult section [4.1](#41-build-steps) for a list
of package build steps and how they are overriden.
@@ -368,73 +300,36 @@ in, most usually, ``${PKG_BUILD_DIR}/config.log``.
If ``--dump-on-abort`` was specified, a subset of the variables set and environment
variables exported will be written to ``${BUILD_WORKDIR}/${PKG_NAME}.dump``, which may
subsequently be used in order to obtain a package build shell environment with the
-``pkgtool.sh`` script (see sections [3.5](#35-pkgtoolsh), [3.5.1](#351-s-package-build-shell-environment).)
-
-[Back to top](#table-of-contents)
-
-[//]: # "}}}"
-[//]: # "{{{ 3.4. Patches and ``vars`` files"
-## 3.4. Patches and ``vars`` files
-
-Package patches are applied prior and/or subsequent to (GNU autotools or similar) package
-configuration during the ``configure_patch_pre`` and/or ``configure_patch`` build steps,
-respectively (see section [4.1](#41-build-steps).) Patch files are searched for beneath
-``patches/`` with the following globs and in-order:
-* ``${PKG_NAME}-${PKG_VERSION}_pre.local.patch``
- or ``${PKG_NAME}_pre.local.patch`` (for packages lacking ``${PKG_VERSION}``)
-* ``${PKG_NAME}-${PKG_VERSION}_pre.local@${BUILD_HNAME}.patch``
- or ``${PKG_NAME}_pre.local@${BUILD_HNAME}.patch`` (for packages lacking ``${PKG_VERSION}``)
-* ``${PKG_NAME}/*.patch``
-* ``${PKG_NAME}-${PKG_VERSION}.local.patch``
- or ``${PKG_NAME}.local.patch`` (for packages lacking ``${PKG_VERSION}``)
-* ``${PKG_NAME}-${PKG_VERSION}.local@${BUILD_HNAME}.patch``
- or ``${PKG_NAME}.local@${BUILD_HNAME}.patch`` (for packages lacking ``${PKG_VERSION}``)
-* ``${PKG_PATCHES_EXTRA}`` (if set)
-
-If the default set of package build steps does not suffice, such as if additional commands
-must be executed after package configuration or prior to building, or if an entire or all
-build step must be replaced, overrides may be specified in the form of functions in the
-package's ``vars/${PKG_NAME}.vars`` ``vars`` file. Consult section [4.1](#41-build-steps)
-for a list of package build steps and how they are overriden.
+``pkgtool.sh`` script (see sections [4.6](#46-pkgtoolsh), [3.5](#35--s-package-build-shell-environment).)
[Back to top](#table-of-contents)
[//]: # "}}}"
-[//]: # "{{{ 3.5. ``pkgtool.sh``"
-## 3.5. ``pkgtool.sh``
-
-```
-usage: ./pkgtool.sh [-a nt32|nt64] [-b debug|release] [-i|-m <dname> -M <dname>|-r|-s|-t] [-v]
- [<variable name>=<variable override>[ ..]] name
-
- -a nt32|nt64 Selects 32-bit or 64-bit architecture; defaults to nt64.
- -b debug|release Selects debug or release build kind; defaults to debug.
- -i List package variables and dependencies of single named package.
- -m <dname> Setup package archives mirror in <dname> and/or
- -M <dname> Setup Git repositories mirror in <dname>
- -r List reverse dependencies of single named package.
- -s Enter interactive package build shell environment for single
- named package; requires a package dump file. If the package
- has not been built yet or built successfully, it will be rebuilt
- at build steps up until, by default, the `build' build step and
- forcibly aborted and dumped prior to enterting the shell.
- -t Produce tarball of package build root directory and build log
- file for the purpose of distribution given build failure.
- -v Increase verbosity.
-
- <variable name>=<variable override>[ ..]
- Override build variable.
-```
-
-> N.B. When using ``pkgtool.sh`` on a build w/ build variables (see section [4](#4-build-variables))
-overriden on the command line or via the environment, ensure that they are included in the
-``pkgtool.sh`` command line, preceding the package name, or exported, respectively.
+[//]: # "{{{ 3.4. Package archive files and Git repositories"
+### 3.4. Package archive files and Git repositories
+
+Packages may have either or both of a SHA-256 message digest checked and to be extracted tarball
+(set in ``${PKG_URL}``, ``${PKG_FNAME}``, and ``${PKG_SHA256SUM}``) and/or Git repository or set
+thereof (set in ``${PKG_URLS_GIT}``.) Complementing these, an implicitly inferred or, in the
+presence of both, explicit primary source directory is specified for each package in ``${PKG_SUBDIR}``.
+Furthermore, these may be subject to download caching and/or setting up as well as maintaining
+mirrors, including automatic cleanup as well as deduplication in both cases.
+
+A list of pertinent package variables and their formats follows:
+
+| Name | Format |
+| -------------- | ----------------------------------------------- |
+| PKG_FNAME | ``<single file name>`` |
+| PKG_SHA256SUM | ``<SHA-256 message digest>`` |
+| PKG_SUBDIR | ``<relative or single directory name>`` |
+| PKG_URL | ``scheme:[//authority]path[?query][#fragment]`` |
+| PKG_URLS_GIT | ``[subdir=]URL[@branch]`` |
[Back to top](#table-of-contents)
[//]: # "}}}"
-[//]: # "{{{ 3.5.1. -s: package build shell environment"
-### 3.5.1. -s: package build shell environment
+[//]: # "{{{ 3.5. -s: package build shell environment"
+### 3.5. -s: package build shell environment
When ``build.sh`` is executed with the ``--dump-on-abort`` option, a subset of the
variables set and environment variables exported will be written to ``${BUILD_WORKDIR}/${PKG_NAME}.dump``
@@ -455,45 +350,72 @@ built at all or built successfully, ``pkgshell.sh`` will attempt to rebuild the
at build steps up until, by default, ``build``, and then forcibly abort the build and
write ``${BUILD_WORKDIR}/${PKG_NAME}.dump`` as above prior to entering the shell.
-Consult sections [3.2](#32-adding-a-package), [3.4](#34-patches-and-vars-files), [4](#4-build-variables),
-[4.1](#41-build-steps), and [4.2](#42-package-variables) for further information
+Consult sections [3.2](#32-adding-a-package), [3.7](#37-patches-and-vars-files), [4.2](#42-build-variables),
+[4.1](#41-build-steps), and [4.5](#45-package-variables) for further information
concerning the package build process.
[Back to top](#table-of-contents)
[//]: # "}}}"
+[//]: # "{{{ 3.6. Package-package and {package,group}-group relationships"
+### 3.6. Package-package and {package,group}-group relationships
+
+Packages, as well as groups, are interrelated through implicit as well as explicit parametrised,
+typed relationships and form namespaces correspondingly.
+
+These primarily, by expressing modalities of constraining, derivation, and/or subdividision, govern
+the build and mirroring, etc. processes with regard to ordering constraints (e.g. ``depends``)
+and derivation or sharing of sets of variables and/or patches and/or ``vars/`` files (e.g.
+``group``, ``flavour``, ``inherit``) or build and/or source directories (e.g. ``module``,) etc.
+They may, however, also be subject to enquiry for descriptive, diagnostic, or visualising purposes,
+particularly as concerns the namespaces they form.
+
+A list of relationship types follows:
+
+| Type | Mode | Description |
+| -------- | -------- | -------------------------------------------------------------------------------------------------------------------------------------- |
+| depends | implicit | Direct and recursively evaluated package dependency |
+| suggests | explicit | Suggested or recommended optional package |
+| group | implicit | Simple and overridable group variable inheritance (e.g. ``host_toolchain``, ``native_packages``) |
+| inherit | both | Simple and overridable package variable inheritance |
+| flavour | explicit | Exclusive package flavours set membership (e.g. ``vim_gtk``, ``vim_x11``) (conflicts w/ ``module``) |
+| module | explicit | Package modularisation with implicit source and build directory sharing (e.g. ``gcc_stage1``, ``gcc_full``) (conflicts w/ ``flavour``) |
+| target | both | Simple super- or subset derivation (e.g. ``host``, ``minipix``) |
+
+[Back to top](#table-of-contents)
-[//]: # "{{{ 4. Build variables"
-## 4. Build variables
-
-The following variables are primarily defined in ``midipix.env`` and may be
-overriden on a per-build basis on the command-line, the environment, and/or
-``${HOME}/midipix_build.vars``, ``${HOME}/.midipix_build.vars``, and/or
-``../midipix_build.vars``, e.g.:
-
-```shell
-./build.sh -a nt64 -b release -D minipix,zipdist -P -v PREFIX_ROOT="${HOME}/midipix_tmp"
-env ARCH=nt64 BUILD_KIND=release PREFIX_ROOT="${HOME}/midipix_tmp" ./build.sh -D minipix,zipdist -P -v
-```
+[//]: # "}}}"
+[//]: # "{{{ 3.7. Patches and ``vars`` files"
+## 3.7. Patches and ``vars`` files
-| Variable name | Default value | Description |
-| ---------------- | ------------------------------------ | ----------------------------------------------------------------------------- |
-| ARCH | nt64 | Target 32-bit (nt32) or 64-bit (nt64) architecture |
-| BUILD_DLCACHEDIR | ${PREFIX_ROOT}/dlcache | Absolute pathname to package downloads cache root directory |
-| BUILD_HNAME | $(hostname) | Build system hostname |
-| BUILD_KIND | debug | Build w/ debugging (debug) or release compiler flags |
-| BUILD_WORKDIR | ${PREFIX}/tmp | Absolute pathname to temporary package build root directory |
-| PREFIX | ${PREFIX_ROOT}/${ARCH}/${BUILD_KIND} | Absolute pathname to architecture- & build type-specific build root directory |
-| PREFIX_CROSS | ${PREFIX}/${DEFAULT_TARGET} | Absolute pathname to toolchain root directory |
-| PREFIX_MINGW32 | ${PREFIX}/x86_64-w64-mingw32 | Absolute pathname to MinGW toolchain root directory |
-| PREFIX_MINIPIX | ${PREFIX}/minipix | Absolute pathname to minipix distribution root directory |
-| PREFIX_NATIVE | ${PREFIX}/native | Absolute pathname to cross-compiled packages root directory |
-| PREFIX_ROOT | ${HOME}/midipix | Absolute pathname to top-level directory |
-| PREFIX_RPM | ${PREFIX}/rpm | Absolute pathname to package RPM archive root directory |
+Package patches are applied prior and/or subsequent to (GNU autotools or similar) package
+configuration during the ``configure_patch_pre`` and/or ``configure_patch`` build steps,
+respectively (see section [4.1](#41-build-steps).) Patch files are searched for beneath
+``patches/`` with the following globs and in-order:
+* ``${PKG_NAME}-${PKG_VERSION}_pre.local.patch``
+ or ``${PKG_NAME}_pre.local.patch`` (for packages lacking ``${PKG_VERSION}``)
+* ``${PKG_NAME}-${PKG_VERSION}_pre.local@${BUILD_HNAME}.patch``
+ or ``${PKG_NAME}_pre.local@${BUILD_HNAME}.patch`` (for packages lacking ``${PKG_VERSION}``)
+* ``${PKG_NAME}/*.patch``
+* ``${PKG_NAME}-${PKG_VERSION}.local.patch``
+ or ``${PKG_NAME}.local.patch`` (for packages lacking ``${PKG_VERSION}``)
+* ``${PKG_NAME}-${PKG_VERSION}.local@${BUILD_HNAME}.patch``
+ or ``${PKG_NAME}.local@${BUILD_HNAME}.patch`` (for packages lacking ``${PKG_VERSION}``)
+* ``${PKG_PATCHES_EXTRA}`` (if set)
+
+If the default set of package build steps does not suffice, such as if additional commands
+must be executed after package configuration or prior to building, or if an entire or all
+build step must be replaced, overrides may be specified in the form of functions in the
+package's ``vars/${PKG_NAME}.vars`` ``vars`` file. Consult section [4.1](#41-build-steps)
+for a list of package build steps and how they are overriden.
[Back to top](#table-of-contents)
[//]: # "}}}"
+
+[//]: # "{{{ 4. Units reference"
+## 4. Units reference
+[//]: # "}}}"
[//]: # "{{{ 4.1. Build steps"
## 4.1. Build steps
@@ -536,26 +458,303 @@ package build completion corresponds to the pseudo-build step ``finish``.
[Back to top](#table-of-contents)
[//]: # "}}}"
-[//]: # "{{{ 4.2. Package variables"
-## 4.2. Package variables
+[//]: # "{{{ 4.2. Build variables"
+## 4.2. Build variables
+
+The following variables are primarily defined in ``midipix.env`` and may be
+overriden on a per-build basis on the command-line, the environment, and/or
+``${HOME}/midipix_build.vars``, ``${HOME}/.midipix_build.vars``, and/or
+``../midipix_build.vars``, e.g.:
+
+```shell
+./build.sh -a nt64 -b release -D minipix,zipdist -P -v PREFIX_ROOT="${HOME}/midipix_tmp"
+env ARCH=nt64 BUILD_KIND=release PREFIX_ROOT="${HOME}/midipix_tmp" ./build.sh -D minipix,zipdist -P -v
+```
+
+| Variable name | Default value | Description |
+| ---------------- | ------------------------------------ | ----------------------------------------------------------------------------- |
+| ARCH | nt64 | Target 32-bit (nt32) or 64-bit (nt64) architecture |
+| BUILD_DLCACHEDIR | ${PREFIX_ROOT}/dlcache | Absolute pathname to package downloads cache root directory |
+| BUILD_HNAME | $(hostname) | Build system hostname |
+| BUILD_KIND | debug | Build w/ debugging (debug) or release compiler flags |
+| BUILD_WORKDIR | ${PREFIX}/tmp | Absolute pathname to temporary package build root directory |
+| PREFIX | ${PREFIX_ROOT}/${ARCH}/${BUILD_KIND} | Absolute pathname to architecture- & build type-specific build root directory |
+| PREFIX_CROSS | ${PREFIX}/${DEFAULT_TARGET} | Absolute pathname to toolchain root directory |
+| PREFIX_MINGW32 | ${PREFIX}/x86_64-w64-mingw32 | Absolute pathname to MinGW toolchain root directory |
+| PREFIX_MINIPIX | ${PREFIX}/minipix | Absolute pathname to minipix distribution root directory |
+| PREFIX_NATIVE | ${PREFIX}/native | Absolute pathname to cross-compiled packages root directory |
+| PREFIX_ROOT | ${HOME}/midipix | Absolute pathname to top-level directory |
+| PREFIX_RPM | ${PREFIX}/rpm | Absolute pathname to package RPM archive root directory |
+
+[Back to top](#table-of-contents)
+
+[//]: # "}}}"
+[//]: # "{{{ 4.3. Fault-tolerant & highly optimised 3D laser show-equipped usage screen"
+## 4.3. Fault-tolerant & highly optimised 3D laser show-equipped usage screen
+
+```
+usage: ./build.sh [-a nt32|nt64] [-b debug|release] [-C dir[,..]] [-D kind[,..]]
+ [-F ipv4|ipv6|offline] [-h|--help] [-p jobs] [-P] [-r ALL|LAST]
+ [-r [*[*[*]]]name[,..][:[^|<|<=|>|>=]step,..]] [-R] [-v[v[v]]] [-x]
+ [--as-needed] [--debug-minipix] [--dump-on-abort] [--reset-state]
+ [--roar] [[=]<group>|<variable name>=<variable override>[ ..]]
+
+ -a nt32|nt64 Selects 32-bit or 64-bit architecture; defaults to nt64.
+ -b debug|release Selects debug or release build kind; defaults to debug.
+ -C dir[,..] Clean build directory (build,) ${PREFIX} before processing build
+ scripts (prefix,) source directory (src,) and/or destination
+ directory (dest) after successful package builds.
+ -D kind[,..] Produce minimal midipix distribution directory (minipix,) RPM
+ binary packages (rpm,) and/or deployable distribution ZIP
+ archive (zipdist.) zipdist implies minipix.
+ -F ipv4|ipv6|offline
+ Force IPv4 (ipv4) or IPv6 (ipv6) when downloading package
+ archives and/or Git repositories or don't download either at all
+ (offline.)
+ -h|--help Show short/full help screen, respectively.
+ -p jobs Enables parallelisation at group-level, whenever applicable.
+ -P The maximum count of jobs defaults to the number of logical
+ processors on the host system divided by two (2.)
+
+ If -R is not specified and at least one (1) package fails to
+ build, all remaining package builds will be forcibly aborted.
+
+ -r ALL|LAST Restart all packages or the last failed package and resume
+ build, resp.
+ -r [*[*[*]]]name[,..][:ALL|LAST|[^|<|<=|>|>=]step,..]
+ Restart the specified comma-separated package(s) w/ inhibition
+ of package build step state resetting completely (`ALL',) starting
+ at the resp. last successfully executed build steps (`LAST',) or the
+ specified comma-separated list of build steps, optionally subject
+ concerning package name(s) and/or build step(s) to the below modifiers:
+
+ Prepend name w/ `*' to automatically include dependencies, `**'
+ to forcibly rebuild all dependencies, and `***` to forcibly
+ rebuild all packages that depend on the specified package(s).
+
+ Prepend step w/ `^' to filter build steps with, `<' or `<='
+ to constrain build steps to below or below or equal with, resp.,
+ `>' or `>=' to constrain build steps to above or above or equal
+ with, resp.
+
+ Currently defined build steps are:
+ fetch_clean, fetch_download, fetch_extract, configure_clean,
+ configure_patch_pre, configure_autotools, configure_patch,
+ configure, build_clean, build, install_clean, install_subdirs,
+ install_make, install_files, install_libs, install, install_rpm,
+ and clean.
+
+ Additionally, the following virtual steps are provided:
+ @fetch, @configure, @build, @install, @clean, and finish.
+
+ -R Ignore build failures, skip printing package logs, and continue
+ building (relaxed mode.)
+ -v[v[v]] Be verbose; -vv: always print package logs; -vvv: logs fileops.
+ -x Set xtrace during package builds.
+
+ --as-needed Don't build unless the midipix_build repository has received
+ new commits.
+ --debug-minipix Don't strip(1) minipix binaries to facilitate debugging minipix.
+ --dump-on-abort Produce package environment dump files on build failure to be
+ used in conjuction with pkg_shell.sh script (excludes -R.)
+ --reset-state Reset package build step state on exit.
+
+ <group>[ ..] One of: dev_packages, dist, host_deps, host_deps_rpm,
+ host_toolchain, host_tools, minipix, native_packages,
+ native_runtime, native_toolchain, native_tools.
+
+ Prepend w/ `=' to inhibit group-group dependency expansion.
+
+ <variable name>=<variable override>[ ..]
+ Override build or package variable.
+```
+
+[Back to top](#table-of-contents)
+
+[//]: # "}}}"
+[//]: # "{{{ 4.4. File installation DSL"
+## 4.4. File installation DSL
+
+File and directory installation, comprising e.g. copying, moving, creating
+symbolic links, setting owner and/or permission metadata, are expressed in
+a descriptive domain-specific language and integrated with package building
+via the package variables ``${PKG_INSTALL_FILES}``, applying during ``install_files``
+after the ``install_make`` build step,``${PKG_INSTALL_FILES_DESTDIR}`` and
+``${PKG_INSTALL_FILES_DESTDIR_EXTRA}`` during ``install_subdirs`` with the
+following syntax specified in EBNF:
+
+```
+(*
+SH_GLOB_PATTERN = any valid portable shell pattern (see sh(1)); superset of PATHNAME
+SH_SUBSTRING_PATTERN = any valid portable substring processing shell pattern (see sh(1));
+ superset of PATHNAME
+PARAMETER = any valid portable shell variable name except that [0-9] may occur
+ the beginning
+PATHNAME = any valid filename, directory name, relative or absolute pathname
+ excluding the characters NUL and NL
+ *)
+
+spec = { op_flag, } op_unary, "=", op_spec, "\n", { spec } ;
+ | { op_flag, } op_binary, op_spec, "=" op_spec, "\n", { spec } ;
+ | "#" COMMENT ;
+op_unary = "-" | "/" | "t" ;
+op_binary = ":" | "!" | "@" | "+" | "g" | "m" | "o" | "T" ;
+op_flag = "?" ;
+op_spec = pattern_spec | PATHNAME | expr_spec | op_spec ;
+
+pattern_spec = "%<", SH_GLOB_PATTERN, ">" ;
+
+expr_spec = "%[", expr, { sexpr_spec }, "%]" ;
+expr = [ "@" ], "0" .. "9" | "DNAME" | "FNAME" | "ITEM" | PARAMETER ;
+
+sexpr_spec = sexpr_op_unary, SH_SUBSTRING_PATTERN, { sexpr } ;
+sexpr_op_unary = "##" | "#" | "%%" | "%" ;
+```
+
+Single ``"="`` characters in ``spec``, the ``"%<"`` and ``"%["`` character
+sequences in ``pattern_spec`` and ``expr_spec``, resp., and the ``sexpr_op_unary``
+as well as ``sexpr_op_binary`` characters or character sequences may be
+escaped with a single backslash (``"\"``.) ``SH_SUBSTRING_PATTERN`` differs
+from ``SH_GLOB_PATTERN`` solely in that any of ``sexpr_op_unary`` and
+``sexpr_op_binary`` occuring at the beginning of or in the former must
+be escaped with a single backslash (``"\"``,) e.g. ``"#\#pattern"`` and
+``"%\%pattern"``, etc. and ``"#pat\%ern"`` and ``%patt\#ern", etc., resp.
+
+Named parameters (``PARAMETER``) are supplied via the ``-p name=value``
+argument to ``rtl_install()``, whereas numbered parameters are for
+internal usage only; the ``"DNAME"``, ``"FNAME"``, and ``"ITEM"`` parameters
+lazily evaluate to the directory name, file (aka base) name, and full
+pathname of the current item being processed relative to a specification
+with a pattern in it.
+
+The following parameters are defined by default during ``install_files``:
+| Name | Value |
+| ------------- | -------------------------------------- |
+| _builddir | ${PKG_BUILD_DIR} |
+| _destdir | ${PKG_BASE_DIR}/${PKG_DESTDIR} |
+| _destdir_host | ${PKG_BASE_DIR}/${PKG_DESTDIR_HOST} |
+| _files | ${MIDIPIX_BUILD_PWD}/files/${PKG_NAME} |
+| _name | ${PKG_NAME} |
+| _prefix | ${PKG_PREFIX} |
+| _prefix_host | ${PREFIX} |
+| _prefix_native | ${PREFIX_NATIVE} |
+| _subdir | ${PKG_BASE_DIR}/${PKG_SUBDIR} |
+| _target | ${PKG_TARGET} |
+| _version | ${PKG_VERSION:-} |
+| _workdir | ${BUILD_WORKDIR} |
+
+The following operation flags are defined:
+| Flag | Description |
+| --------- | ------------------------ |
+| ``?`` | Continue on soft failure |
+
+The following operations are defined:
+| Operation | Arity | Description |
+| -------------- | ------ | ---------------------------------------------------------------- |
+| ``-`` | Unary | Remove directories and/or files |
+| ``/`` | Unary | Create directories or trees thereof |
+| ``t`` | Unary | touch(1) files and/or directories |
+| ``:'' | Binary | Copy directories and/or files |
+| ``!`` | Binary | Move/rename directories and/or files |
+| ``@`` | Binary | Create/update symbolic links |
+| ``+`` | Binary | Copy directories and/or files if newer and follow symbolic links |
+| ``g`` | Binary | Set group owner of files and/or directories |
+| ``m`` | Binary | Set mode bits of files and/or directories |
+| ``o`` | Binary | Set user and/or group owner of files and/or directories |
+| ``T`` | Binary | touch(1) files and/or directories with timestamp |
+
+The following expression modifiers are defined:
+| Modifier | Description |
+| -------------- | ----------------------------------------- |
+| ``@`` | Recursively reevaluate after substituting |
+
+The following subexpression operators are defined:
+| Operation | Arity | Description |
+| -------------- | ------ | ---------------------------------------------------------------- |
+| ``##`` | Unary | Remove largest prefix from left-hand side |
+| ``#`` | Unary | Remove prefix from left-hand side |
+| ``%%`` | Unary | Remove largest postfix from right-hand side |
+| ``%`` | Unary | Remove postfix from right-hand side |
+
+```shell
+#
+# Examples:
+#
+
+#
+# Create directory %[_minipix]/bin and copy all files
+# in %[_minipix_dist]/bin/ to %[_minipix]/bin/ with
+# identical file names.
+/=%[_minipix]/bin
+?%[_minipix_dist]/bin/%<*>=%[_minipix]/bin/%[FNAME]
+
+#
+# Rename all files in share/info/ matching *.info to
+# their filenames with the `.info' postfix removed and
+# `-2.64.info' appended and all files in share/man/man1/
+# matching *.1 with the `.1' postfix removed and -2.64.1
+# appended.
+!share/info/%<*.info>=share/info/%[FNAME%.info]-2.64.info
+!share/man/man1/%<*.1>=share/man/man1/%[FNAME%.1]-2.64.1
+
+#
+# Create/update symbolic links named include/ffi.h and
+# include/ffitarget.h with ../lib/libffi-3.2.1/include/ffi.h
+# and ../lib/libffi-3.2.1/include/ffitarget.h as targets, resp.
+@../lib/libffi-3.2.1/include/ffi.h=include/ffi.h
+@../lib/libffi-3.2.1/include/ffitarget.h=include/ffitarget.h
+
+#
+# Manual invocation:
+PKG_INSTALL_FILES="
+ [ ... ]
+";
+rtl_install \
+ -p "_builddir=${PKG_BASE_DIR}/${PKG_BUILD_DIR}" \
+ -p "_minipix=${PREFIX_MINIPIX##*/}" \
+ -p "_minipix_dist=${PREFIX}/minipix_dist" \
+ -p "_native=${PREFIX_NATIVE##*/}" \
+ -p "_subdir=${PKG_BASE_DIR}/${PKG_SUBDIR}" \
+ -p "_target=${PKG_TARGET}" \
+ -n -- "${PREFIX}" \
+ "${PKG_INSTALL_FILES}"; then
+ return 1;
+fi;
+
+#
+# Usage screen:
+usage: rtl_install [-i] [-I ifs] [-n] [-p name=val] [-v] prefix spec_list
+ -i...........: continue on soft errors
+ -I ifs.......: process spec_list with ifs instead of NL
+ -n...........: perform dry run
+ -p name=val..: set named parameter
+ -v...........: increase verbosity
+ prefix.......: pathname prefix
+ spec_list....: ifs-separated list of specs
+```
+
+[Back to top](#table-of-contents)
+
+[//]: # "}}}"
+[//]: # "{{{ 4.5. Package variables"
+### 4.5. Package variables
The following variables are package-specific and receive their value from either
-top-level defaults defined in ``midipix.env``, build group-specific defaults
-from the build group the package pertains to and defined in its corresponding
-file beneath ``groups/``, or package-specific overrides defined either in the
-latter and/or in its corresponding file beneath ``vars/``, with one of the following
-prefixes:
-
-| Variable name prefix |
-| --------------------------------------------- |
-| DEFAULT |
-| DEFAULT_``${BUILD_TYPE}`` |
-| DEFAULT_``${GROUP_NAME}`` |
-| ``${GROUP_NAME}`` |
-| PKG_``${INHERIT_FROM}`` |
-| PKG_``${INHERIT_FROM}``_``${BUILD_KIND}`` |
-| PKG_``${NAME}`` |
-| PKG_``${NAME}``_``${BUILD_KIND}`` |
+top-level defaults defined in ``midipix.env``, build group-specific defaults from the
+build group the package pertains to and defined in its corresponding file beneath
+``groups/``, or package-specific overrides defined either in the latter and/or in its
+corresponding file beneath ``vars/``, with one of the following prefixes:
+
+| Variable name prefix |
+| ----------------------------------------------------- |
+| DEFAULT |
+| DEFAULT_``${BUILD_TYPE}`` |
+| DEFAULT_``${GROUP_NAME}`` |
+| ``${GROUP_NAME}`` |
+| [PKG_``${RELATED_PACKAGE(S)}``] |
+| [PKG_``${RELATED_PACKAGE(S)}``_``${BUILD_KIND}``] |
+| PKG_``${NAME}`` |
+| PKG_``${NAME}``_``${BUILD_KIND}`` |
Additionally, overrides may be specified on a per-build basis on the command-
line, with each variable prefixed w/ ``PKG_``, e.g.:
@@ -564,88 +763,157 @@ line, with each variable prefixed w/ ``PKG_``, e.g.:
The minimum set of package variables that must be provided is ``SHA256SUM, URL,
VERSION`` and/or ``URLS_GIT``, respectively.
-| Package variable name | Description |
-| ---------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------- |
-| AR | Command- or pathname of toolchain library archive editor ``ar(1)`` |
-| BASE_DIR | Absolute pathname to package build root directory beneath ``${BUILD_WORKDIR}`` |
-| BUILD_DIR | Directory name of package build directory beneath ``${PKG_BASE_DIR}`` |
-| BUILD_STEPS_DISABLE | List of build steps to disable during package build |
-| BUILD_TYPE | Cross-compiled toolchain (``cross``,) host (``host``,) or cross-compiled package (``native``) build type |
-| CC | Command- or pathname of toolchain C compiler ``cc(1)`` |
-| CFLAGS_BUILD | C compiler flags during package ``make(1)`` build |
-| CFLAGS_BUILD_EXTRA | Additional C compiler flags during package ``make(1)`` build |
-| CFLAGS_CONFIGURE | C compiler flags during package (GNU autotools or similar) configuration |
-| CFLAGS_CONFIGURE_EXTRA | Additional C compiler flags during package (GNU autotools or similar) configuration |
-| CMAKE | Command- or pathname to ``cmake(1)`` |
-| CMAKE_ARGS | List of arguments to ``cmake(1)`` |
-| CMAKE_ARGS_EXTRA | Additional list of arguments to ``cmake(1)`` |
-| CMAKE_LISTFILE | File- or pathname to ``cmake(1)`` listfile |
-| CONFIG_CACHE | List of GNU autotools configuration cache variables |
-| CONFIG_CACHE_EXTRA | Additional list of GNU autotools configuration cache variables |
-| CONFIG_CACHE_LOCAL | Additional list of GNU autotools configuration cache variables |
-| CONFIGURE | Command- or pathname to package (GNU autotools or similar) configuration script |
-| CONFIGURE_ARGS | List of arguments to package (GNU autotools or similar) configuration script |
-| CONFIGURE_ARGS_EXTRA | Additional list of arguments to package (GNU autotools or similar) configuration script |
-| CONFIGURE_TYPE | Force package configuration via either of ``autotools`` (GNU autotools or similar) or ``sofort`` or ``cmake`` (CMake) |
-| CXX | Command- or pathname of toolchain C++ compiler ``c++(1)`` |
-| CXXFLAGS_CONFIGURE | List of C++ compiler flags during package (GNU autotools or similar) configuration |
-| CXXFLAGS_CONFIGURE_EXTRA | Additional list of C++ compiler flags during package (GNU autotools or similar) configuration |
-| DEPENDS | List of package-package dependencies |
-| DESTDIR | Directory name of package installation destination directory beneath ``${PKG_BASE_DIR}`` |
-| DESTDIR_HOST | Directory name of optional host package installation destination directory beneath ``${PKG_BASE_DIR}`` |
-| DISABLED | Disable package |
-| ENV_VARS_EXTRA | List of double colon-separated environment variable equality sign-separated name-value pairs to set during package build |
-| FNAME | Filename of package archive file |
-| FORCE_AUTORECONF | Forcibly run ``autoreconf -fiv`` prior to package (GNU autotools or similar) configuration |
-| GITROOT | midipix packages Git URL prefix |
-| INHERIT_FROM | Inherit variables from named package |
-| INSTALL_FILES | Whitespace-separated list of files to manually install into the package installation destination directory beneath ``${PKG_BASE_DIR}`` |
-| INSTALL_FILES_DESTDIR | Whitespace-separated list of files to initialise the package installation destination directory beneath ``${PKG_BASE_DIR}`` with |
-| INSTALL_FILES_DESTDIR_EXTRA | Additional whitespace-separated list of files to initialise the package installation destination directory beneath ``${PKG_BASE_DIR}`` with |
-| INSTALL_TARGET | Name of package build ``make(1)`` installation target |
-| INSTALL_TARGET_EXTRA | Additional name of package build ``make(1)`` installation target |
-| IN_TREE | Build package in-tree within ``${PKG_SUBDIR}`` |
-| LDFLAGS_BUILD_EXTRA | Additional linker flags during package ``make(1)`` build |
-| LDFLAGS_CONFIGURE | Linker flags during package (GNU autotools or similar) configuration |
-| LDFLAGS_CONFIGURE_EXTRA | Additional linker flags during package (GNU autotools or similar) configuration |
-| LIBTOOL | Command- or pathname of ``libtool(1)`` (defaults to ``slibtool``) |
-| MAKE | Command line of ``make(1)`` |
-| MAKEFLAGS_BUILD_EXTRA | Additional list of ``make(1)`` flags during package ``make(1)`` build |
-| MAKEFLAGS_BUILD | List of ``make(1)`` flags during package ``make(1)`` build |
-| MAKEFLAGS_INSTALL_EXTRA | Additional list of ``make(1)`` flags during package ``make(1)`` installation |
-| MAKEFLAGS_INSTALL | List of ``make(1)`` flags during package ``make(1)`` installation |
-| MAKEFLAGS_VERBOSITY | Variable-value pair to pass to ``make(1)`` in order to force echo-back of command lines prior to execution |
-| MAKE_INSTALL_VNAME | Variable name of ``make(1)`` installation destination directory variable during package ``make(1)`` installation |
-| MAKE_SUBDIRS | List of ``make(1)`` subdirectories to exclusively build |
-| MIRRORS_GIT | List of package Git repository mirror base URLs to attempt cloning from; cf. ``pkgtool.sh -m <dname>`` |
-| MIRRORS | List of package archive mirror base URLs to attempt downloading from; cf. ``pkgtool.sh -m <dname>`` |
-| NO_CLEAN | Inhibit cleaning of package build directory beneath ``${PKG_BASE_DIR}`` pre-finish |
-| NO_CLEAN_BASE_DIR | Inhibit cleaning of package build root directory beneath ``${BUILD_WORKDIR}`` |
-| NO_LOG_VARS | Inhibit logging of build & package variables pre-package build |
-| PATCHES_EXTRA | Additional list of patches to apply |
-| PKG_CONFIG | Command- or pathname of ``pkg-config(1)`` |
-| PKG_CONFIG_LIBDIR | ``pkg-config(1)`` search directory |
-| PKGLIST_DISABLE | Inhibit inclusion into ``${PREFIX}/pkglist.${PKG_BUILD_TYPE}`` |
-| PREFIX | Absolute pathname of top-level installation directory and package search path |
-| PYTHON | Command- or pathname of Python |
-| RANLIB | Command- or pathname of toolchain library archive index generator ``ranlib(1)`` |
-| RPM_DISABLE | Inhibit creation of RPM archive |
-| SHA256SUM | SHA-256 message digest of package archive |
-| SOFORT_NATIVE_CC | ``sofort`` variable during ``native`` build: Command- or pathname of toolchain C compiler ``cc(1)`` |
-| SOFORT_NATIVE_CFLAGS | ``sofort`` variable during ``native`` build: C compiler flags during package (GNU autotools or similar) configuration |
-| SOFORT_NATIVE_CFLAGS_EXTRA | ``sofort`` variable during ``native`` build: Additional C compiler flags during package (GNU autotools or similar) configuration |
-| SOFORT_NATIVE_CXX | ``sofort`` variable during ``native`` build: Command- or pathname of toolchain C++ compiler ``c++(1)`` |
-| SOFORT_NATIVE_CXXFLAGS | ``sofort`` variable during ``native`` build: List of C++ compiler flags during package (GNU autotools or similar) configuration |
-| SOFORT_NATIVE_CXXFLAGS_EXTRA | ``sofort`` variable during ``native`` build: Additional list of C++ compiler flags during package (GNU autotools or similar) configuration |
-| SOFORT_NATIVE_LD | ``sofort`` variable during ``native`` build: Command- or pathname of toolchain C compiler ``cc(1)`` |
-| SOFORT_NATIVE_LDFLAGS | ``sofort`` variable during ``native`` build: Linker flags during package (GNU autotools or similar) configuration |
-| SOFORT_NATIVE_LDFLAGS_EXTRA | ``sofort`` variable during ``native`` build: Additional linker flags during package (GNU autotools or similar) configuration |
-| SUBDIR | Name of extracted archive or git-{clone,pull}(1)'d directory |
-| TARGET | Dash-separated {build,host,target} triplet |
-| URL | URL to package archive, optionally appended with whitespace-separated list of alternative URLs |
-| URLS_GIT | List of package Git URL(s) (``*name*=*URL*@*branch*``) |
-| VARS_FILE | Filename of optional package variables file (defaults to ``vars/${PKG_NAME}.vars``) |
-| VERSION | Package version |
+[//]: # "{{{ 4.5.1 Package variable types"
+## 4.5.1 Package variable types
+
+| Type definition | Description |
+| ----------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------- |
+| DirName(Abs) | Absolute pathname to directory |
+| DirName(Rel) | Relative pathname to director |
+| DirName(Unit) | Single non-{absolute,relative} directory nam |
+| DirName | Absolute or relative pathname to director |
+| CmdName | Absolute or relative pathname to comman |
+| FileName(Abs) | Absolute pathname to file |
+| FileName(Rel) | Relative pathname to file |
+| FileName(Unit) | Single non-{absolute,relative} file name |
+| FileName | Absolute or relative pathname to file |
+| Flag(<type>,<default>) | Boolean flag of type <type>, e.g. Flag(Boolean) (``true``, ``false``,) Flag(UInt) (0, 1,) Flag(ExitStatus) (>=1, 0) with default or ``auto`` |
+| FlagLine | String of {SP,VT}-separated flags, arguments, options, etc. pp. to a command |
+| List(<sep>[,<sep|type>..]) | <sep>-separated list, optionally recursively and/or sub-typing, e.g.: ``List(:,=,String)`` and ``"name=value:name2=va lue "`` |
+| PkgName | Single name of package |
+| PkgRelation | Single, possibly parametrised, package-package relation; see section [3.6](#36-package-package-and-packagegroup-group-relationships) |
+| PkgVersion | Single version of package |
+| Set(<type>) | Set of alternatives of <type>, e.g. one of ``cross``, ``host``, ``native`` |
+| String | Semantically generic string |
+| URL | URL in standard format; see section [3.4](#34-package-archive-files-and-git-repositories) |
+| URL(Git) | Git URL in the format ``[subdir=]URL[@branch]``; see section [3.4](#34-package-archive-files-and-git-repositories) |
+
+<sup id="fn42101">
+4.2.1:1
+</sup>
+
+[//]: # "}}}"
+[//]: # "{{{ 4.5.2 Package variables"
+## 4.5.2 Package variables
+
+| Package variable name | Type | Description |
+| ---------------------------- | ---------------- | ------------------------------------------------------------------------------------------------------------------------------------------ |
+| AR | CmdName | Toolchain library archive editor ``ar(1)`` |
+| BASE_DIR | DirName(Abs) | Package build root directory beneath ``${BUILD_WORKDIR}`` |
+| BUILD_DIR | DirName(Unit) | Package build directory beneath ``${PKG_BASE_DIR}`` |
+| BUILD_STAGES_DISABLE | List( ) | Build stages to disable during package build |
+| BUILD_TYPE | Set(String) | ``cross``: Cross-compiled toolchain, ``host``: host, ``native``: cross-compiled package |
+| CC | FileName | Toolchain C compiler ``cc(1)`` |
+| CFLAGS_BUILD_EXTRA | FlagLine | Additional C compiler flags during package ``make(1)`` build |
+| CFLAGS_BUILD | FlagLine | C compiler flags during package ``make(1)`` build |
+| CFLAGS_CONFIGURE_EXTRA | FlagLine | Additional C compiler flags during package (GNU autotools in implementation and/or interface) configuration |
+| CFLAGS_CONFIGURE | FlagLine | C compiler flags during package (GNU autotools in implementation and/or interface) configuration |
+| CMAKE_ARGS_EXTRA | FlagLine | Additional arguments to ``cmake(1)`` |
+| CMAKE_ARGS | FlagLine | Arguments to ``cmake(1)`` |
+| CMAKE | CmdName | ``cmake(1)`` executable |
+| CMAKE_LISTFILE | FileName | ``cmake(1)`` listfile |
+| CONFIG_CACHE_EXTRA | List(\n) | Additional GNU autotools configuration cache variables |
+| CONFIG_CACHE | List(\n) | GNU autotools configuration cache variables |
+| CONFIG_CACHE_LOCAL | List(\n) | Additional GNU autotools configuration cache variables |
+| CONFIGURE_ARGS_EXTRA | FlagLine | Additional arguments to package (GNU autotools in implementation and/or interface) configuration script |
+| CONFIGURE_ARGS | FlagLine | Arguments to package (GNU autotools in implementation and/or interface) configuration script |
+| CONFIGURE | CmdName | Package's (GNU autotools in implementation and/or interface) configuration script |
+| CONFIGURE_TYPE | String | Either of ``autotools`` (GNU autotools or similar) or ``sofort`` or ``cmake`` (CMake) |
+| CXX | CmdName | Toolchain C++ compiler ``c++(1)`` |
+| CXXFLAGS_CONFIGURE_EXTRA | FlagLine | Additional C++ compiler flags during package (GNU autotools in implementation and/or interface) configuration |
+| CXXFLAGS_CONFIGURE | FlagLine | C++ compiler flags during package (GNU autotools in implementation and/or interface) configuration |
+| DEPENDS | List( ) | Mandatory package-package dependencies |
+| DESTDIR | DirName(Unit) | Package installation destination directory beneath ``${PKG_BASE_DIR}`` |
+| DESTDIR_HOST | DirName(Unit) | Optional host package installation destination directory beneath ``${PKG_BASE_DIR}`` |
+| DISABLED | Flag(UInt,0) | Disable package |
+| ENV_VARS_EXTRA | List(:,=) | Name-value pairs of environment variables to set during package build |
+| FNAME | FileName(Unit) | Filename of package archive file |
+| FORCE_AUTORECONF | Flag(UInt,0) | Forcibly run ``autoreconf -fiv`` prior to package (GNU autotools in implementation and/or interface) configuration |
+| GITROOT | URL | midipix packages Git URL prefix |
+| INHERIT_FROM | String | Inherit variables from named package |
+| INSTALL_FILES_DESTDIR_EXTRA | List( ) | Additional files to initialise the package installation destination directory beneath ``${PKG_BASE_DIR}`` with |
+| INSTALL_FILES_DESTDIR | List( ) | Files to initialise the package installation destination directory beneath ``${PKG_BASE_DIR}`` with |
+| INSTALL_FILES | List( ) | Files to manually install into the package installation destination directory beneath ``${PKG_BASE_DIR}`` |
+| INSTALL_TARGET_EXTRA | String | Additional name of package build ``make(1)`` installation target |
+| INSTALL_TARGET | String | Name of package build ``make(1)`` installation target |
+| IN_TREE | Flag(UInt,auto) | Build package in-tree within ``${PKG_SUBDIR}`` |
+| LDFLAGS_BUILD_EXTRA | FlagLine | Additional linker flags during package ``make(1)`` build |
+| LDFLAGS_CONFIGURE_EXTRA | FlagLine | Additional linker flags during package (GNU autotools in implementation and/or interface) configuration |
+| LDFLAGS_CONFIGURE | FlagLine | Linker flags during package (GNU autotools in implementation and/or interface) configuration |
+| LIBTOOL | CmdName | ``libtool(1)`` implementation (defaults to ``slibtool``) |
+| MAKE | CmdLine | Command line of ``make(1)`` |
+| MAKEFLAGS_BUILD_EXTRA | FlagLine | Additional ``make(1)`` flags during package ``make(1)`` build |
+| MAKEFLAGS_BUILD | FlagLine | ``make(1)`` flags during package ``make(1)`` build |
+| MAKEFLAGS_INSTALL_EXTRA | FlagLine | ``make(1)`` flags during package ``make(1)`` installation |
+| MAKEFLAGS_INSTALL | FlagLine | ``make(1)`` flags during package ``make(1)`` installation |
+| MAKEFLAGS_VERBOSITY | String | Variable-value pair to pass to ``make(1)`` in order to force echo-back of command lines prior to execution |
+| MAKE_INSTALL_VNAME | String | Variable name of ``make(1)`` installation destination directory variable during package ``make(1)`` installation |
+| MAKE_SUBDIRS | List( ) | ``make(1)`` subdirectories to exclusively build |
+| MIRRORS_GIT | List( ) | Package Git repository mirror base URLs to attempt cloning from; cf. ``pkgtool.sh -m <dname>`` |
+| MIRRORS | List( ) | Package archive mirror base URLs to attempt downloading from; cf. ``pkgtool.sh -m <dname>`` |
+| NO_CLEAN_BASE_DIR | Flag(UInt,0) | Inhibit cleaning of package build root directory beneath ``${BUILD_WORKDIR}`` |
+| NO_CLEAN | Flag(UInt,0) | Inhibit cleaning of package build directory beneath ``${PKG_BASE_DIR}`` pre-finish |
+| NO_LOG_VARS | Flag(UInt,0) | Inhibit logging of build & package variables pre-package build |
+| PATCHES_EXTRA | List( ) | Additional patches to apply |
+| PKG_CONFIG | CmdName | ``pkg-config(1)`` implementation |
+| PKG_CONFIG_LIBDIR | DirName | ``pkg-config(1)`` search directory |
+| PKGLIST_DISABLE | Flag(UInt,0) | Inhibit inclusion into ``${PREFIX}/pkglist.${PKG_BUILD_TYPE}`` |
+| PREFIX | DirName(Abs) | Top-level installation directory and package search path |
+| PYTHON | CmdName | Python >=3.x interpreter |
+| RANLIB | CmdName | Toolchain library archive index generator ``ranlib(1)`` |
+| RELATES | Set(PkgRelation) | Package-package relationships |
+| RPM_DISABLE | Flag(UInt,0) | Inhibit creation of RPM archive |
+| SHA256SUM | String | SHA-256 message digest of package archive |
+| SOFORT_NATIVE_CC | FileName | ``sofort`` variable during ``native`` build: Toolchain C compiler ``cc(1)`` |
+| SOFORT_NATIVE_CFLAGS_EXTRA | FlagLine | ``sofort`` variable during ``native`` build: Additional C compiler flags during package (GNU autotools or similar) configuration |
+| SOFORT_NATIVE_CFLAGS | FlagLine | ``sofort`` variable during ``native`` build: C compiler flags during package (GNU autotools or similar) configuration |
+| SOFORT_NATIVE_CXXFLAGS_EXTRA | FlagLine | ``sofort`` variable during ``native`` build: Additional list of C++ compiler flags during package (GNU autotools or similar) configuration |
+| SOFORT_NATIVE_CXXFLAGS | FlagLine | ``sofort`` variable during ``native`` build: List of C++ compiler flags during package (GNU autotools or similar) configuration |
+| SOFORT_NATIVE_CXX | FlagLine | ``sofort`` variable during ``native`` build: Command- or pathname of toolchain C++ compiler ``c++(1)`` |
+| SOFORT_NATIVE_LDFLAGS_EXTRA | FlagLine | ``sofort`` variable during ``native`` build: Additional linker flags during package (GNU autotools or similar) configuration |
+| SOFORT_NATIVE_LDFLAGS | FlagLine | ``sofort`` variable during ``native`` build: Linker flags during package (GNU autotools or similar) configuration |
+| SOFORT_NATIVE_LD | FileName | ``sofort`` variable during ``native`` build: Command- or pathname of toolchain C compiler ``cc(1)`` |
+| SUBDIR | DirName(Rel) | Extracted archive or git-{clone,pull}(1)'d directory |
+| TARGET | String | Dash-separated {build,host,target} triplet |
+| URL | List( ,URL) | URL to package archives w/ optional alternatives; see section [3.4](#34-package-archive-files-and-git-repositories) |
+| URLS_GIT | List( ,URL(Git)) | Package Git URL(s) (format: ``[subdir=]URL[@branch]``, see section [3.4](#34-package-archive-files-and-git-repositories)) |
+| VARS_FILE | FileName | Optional package variables file (defaults to ``vars/${PKG_NAME}.vars``) |
+| VERSION | PkgVersion | Package version |
+
+[//]: # "}}}"
+
+[Back to top](#table-of-contents)
+
+[//]: # "}}}"
+[//]: # "{{{ 4.6. ``pkgtool.sh``"
+## 4.6. ``pkgtool.sh``
+
+```
+usage: ./pkgtool.sh [-a nt32|nt64] [-b debug|release] [-i|-m <dname> -M <dname>|-r|-s|-t] [-v]
+ [<variable name>=<variable override>[ ..]] name
+
+ -a nt32|nt64 Selects 32-bit or 64-bit architecture; defaults to nt64.
+ -b debug|release Selects debug or release build kind; defaults to debug.
+ -i List package variables and dependencies of single named package.
+ -m <dname> Setup package archives mirror in <dname> and/or
+ -M <dname> Setup Git repositories mirror in <dname>
+ -r List reverse dependencies of single named package.
+ -s Enter interactive package build shell environment for single
+ named package; requires a package dump file. If the package
+ has not been built yet or built successfully, it will be rebuilt
+ at build steps up until, by default, the `build' build step and
+ forcibly aborted and dumped prior to enterting the shell.
+ -t Produce tarball of package build root directory and build log
+ file for the purpose of distribution given build failure.
+ -v Increase verbosity.
+
+ <variable name>=<variable override>[ ..]
+ Override build variable.
+```
+
+> N.B. When using ``pkgtool.sh`` on a build w/ build variables (see section [4.2](#42-build-variables))
+overriden on the command line or via the environment, ensure that they are included in the
+``pkgtool.sh`` command line, preceding the package name, or exported, respectively.
[Back to top](#table-of-contents)
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