2012-11-11 04:14:42 +01:00
|
|
|
// -*- mode:doc; -*-
|
2013-02-13 13:59:02 +01:00
|
|
|
// vim: set syntax=asciidoc:
|
2012-11-11 04:14:42 +01:00
|
|
|
|
manual: use one-line titles instead of two-line titles (trivial)
Asciidoc supports two syntaxes for section titles: two-line titles (title
plus underline consisting of a particular symbol), and one-line titles
(title prefixed with a specific number of = signs).
The two-line title underlines are:
Level 0 (top level): ======================
Level 1: ----------------------
Level 2: ~~~~~~~~~~~~~~~~~~~~~~
Level 3: ^^^^^^^^^^^^^^^^^^^^^^
Level 4 (bottom level): ++++++++++++++++++++++
and the one-line title prefixes:
= Document Title (level 0) =
== Section title (level 1) ==
=== Section title (level 2) ===
==== Section title (level 3) ====
===== Section title (level 4) =====
The buildroot manual is currenly using the two-line titles, but this has
multiple disadvantages:
- asciidoc also uses some of the underline symbols for other purposes (like
preformatted code, example blocks, ...), which makes it difficult to do
mass replacements, such as a planned follow-up patch that needs to move
all sections one level down.
- it is difficult to remember which level a given underline symbol (=-~^+)
corresponds to, while counting = signs is easy.
This patch changes all two-level titles to one-level titles in the manual.
The bulk of the change was done with the following Python script, except for
the level 1 titles (-----) as these underlines are also used for literal
code blocks.
This patch only changes the titles, no other changes. In
adding-packages-directory.txt, I did add missing newlines between some
titles and their content.
----------------------------------------------------------------------------
#!/usr/bin/env python
import sys
import mmap
import re
for input in sys.argv[1:]:
f = open(input, 'r+')
f.flush()
s = mmap.mmap(f.fileno(), 0)
# Level 0 (top level): ====================== =
# Level 1: ---------------------- ==
# Level 2: ~~~~~~~~~~~~~~~~~~~~~~ ===
# Level 3: ^^^^^^^^^^^^^^^^^^^^^^ ====
# Level 4 (bottom level): ++++++++++++++++++++++ =====
def replace_title(s, symbol, replacement):
pattern = re.compile(r'(.+\n)\%s{2,}\n' % symbol, re.MULTILINE)
return pattern.sub(r'%s \1' % replacement, s)
new = s
new = replace_title(new, '=', '=')
new = replace_title(new, '+', '=====')
new = replace_title(new, '^', '====')
new = replace_title(new, '~', '===')
#new = replace_title(new, '-', '==')
s.seek(0)
s.write(new)
s.resize(s.tell())
s.close()
f.close()
----------------------------------------------------------------------------
Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2014-05-02 07:47:30 +02:00
|
|
|
=== Infrastructure for CMake-based packages
|
2011-10-10 10:46:39 +02:00
|
|
|
|
2012-07-06 00:06:46 +02:00
|
|
|
[[cmake-package-tutorial]]
|
2011-10-10 10:46:39 +02:00
|
|
|
|
manual: use one-line titles instead of two-line titles (trivial)
Asciidoc supports two syntaxes for section titles: two-line titles (title
plus underline consisting of a particular symbol), and one-line titles
(title prefixed with a specific number of = signs).
The two-line title underlines are:
Level 0 (top level): ======================
Level 1: ----------------------
Level 2: ~~~~~~~~~~~~~~~~~~~~~~
Level 3: ^^^^^^^^^^^^^^^^^^^^^^
Level 4 (bottom level): ++++++++++++++++++++++
and the one-line title prefixes:
= Document Title (level 0) =
== Section title (level 1) ==
=== Section title (level 2) ===
==== Section title (level 3) ====
===== Section title (level 4) =====
The buildroot manual is currenly using the two-line titles, but this has
multiple disadvantages:
- asciidoc also uses some of the underline symbols for other purposes (like
preformatted code, example blocks, ...), which makes it difficult to do
mass replacements, such as a planned follow-up patch that needs to move
all sections one level down.
- it is difficult to remember which level a given underline symbol (=-~^+)
corresponds to, while counting = signs is easy.
This patch changes all two-level titles to one-level titles in the manual.
The bulk of the change was done with the following Python script, except for
the level 1 titles (-----) as these underlines are also used for literal
code blocks.
This patch only changes the titles, no other changes. In
adding-packages-directory.txt, I did add missing newlines between some
titles and their content.
----------------------------------------------------------------------------
#!/usr/bin/env python
import sys
import mmap
import re
for input in sys.argv[1:]:
f = open(input, 'r+')
f.flush()
s = mmap.mmap(f.fileno(), 0)
# Level 0 (top level): ====================== =
# Level 1: ---------------------- ==
# Level 2: ~~~~~~~~~~~~~~~~~~~~~~ ===
# Level 3: ^^^^^^^^^^^^^^^^^^^^^^ ====
# Level 4 (bottom level): ++++++++++++++++++++++ =====
def replace_title(s, symbol, replacement):
pattern = re.compile(r'(.+\n)\%s{2,}\n' % symbol, re.MULTILINE)
return pattern.sub(r'%s \1' % replacement, s)
new = s
new = replace_title(new, '=', '=')
new = replace_title(new, '+', '=====')
new = replace_title(new, '^', '====')
new = replace_title(new, '~', '===')
#new = replace_title(new, '-', '==')
s.seek(0)
s.write(new)
s.resize(s.tell())
s.close()
f.close()
----------------------------------------------------------------------------
Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2014-05-02 07:47:30 +02:00
|
|
|
==== +cmake-package+ tutorial
|
2011-10-10 10:46:39 +02:00
|
|
|
|
|
|
|
|
First, let's see how to write a +.mk+ file for a CMake-based package,
|
|
|
|
|
with an example :
|
|
|
|
|
|
|
|
|
|
------------------------
|
2013-06-08 00:34:38 +02:00
|
|
|
01: ################################################################################
|
2011-10-10 10:46:39 +02:00
|
|
|
02: #
|
|
|
|
|
03: # libfoo
|
|
|
|
|
04: #
|
2013-06-08 00:34:38 +02:00
|
|
|
05: ################################################################################
|
2013-02-25 12:31:31 +01:00
|
|
|
06:
|
|
|
|
|
07: LIBFOO_VERSION = 1.0
|
|
|
|
|
08: LIBFOO_SOURCE = libfoo-$(LIBFOO_VERSION).tar.gz
|
|
|
|
|
09: LIBFOO_SITE = http://www.foosoftware.org/download
|
|
|
|
|
10: LIBFOO_INSTALL_STAGING = YES
|
|
|
|
|
11: LIBFOO_INSTALL_TARGET = NO
|
2014-09-27 21:32:44 +02:00
|
|
|
12: LIBFOO_CONF_OPTS = -DBUILD_DEMOS=ON
|
2013-02-25 12:31:31 +01:00
|
|
|
13: LIBFOO_DEPENDENCIES = libglib2 host-pkgconf
|
|
|
|
|
14:
|
|
|
|
|
15: $(eval $(cmake-package))
|
2011-10-10 10:46:39 +02:00
|
|
|
------------------------
|
|
|
|
|
|
2013-02-25 12:31:31 +01:00
|
|
|
On line 7, we declare the version of the package.
|
2011-10-10 10:46:39 +02:00
|
|
|
|
2013-09-06 08:14:15 +02:00
|
|
|
On line 8 and 9, we declare the name of the tarball (xz-ed tarball recommended)
|
|
|
|
|
and the location of the tarball on the Web. Buildroot will automatically
|
|
|
|
|
download the tarball from this location.
|
2011-10-10 10:46:39 +02:00
|
|
|
|
2013-02-25 12:31:31 +01:00
|
|
|
On line 10, we tell Buildroot to install the package to the staging
|
2011-10-10 10:46:39 +02:00
|
|
|
directory. The staging directory, located in +output/staging/+
|
|
|
|
|
is the directory where all the packages are installed, including their
|
|
|
|
|
development files, etc. By default, packages are not installed to the
|
|
|
|
|
staging directory, since usually, only libraries need to be installed in
|
|
|
|
|
the staging directory: their development files are needed to compile
|
|
|
|
|
other libraries or applications depending on them. Also by default, when
|
|
|
|
|
staging installation is enabled, packages are installed in this location
|
|
|
|
|
using the +make install+ command.
|
|
|
|
|
|
2013-02-25 12:31:31 +01:00
|
|
|
On line 11, we tell Buildroot to not install the package to the
|
2011-10-10 10:46:39 +02:00
|
|
|
target directory. This directory contains what will become the root
|
2012-11-27 12:59:19 +01:00
|
|
|
filesystem running on the target. For purely static libraries, it is
|
|
|
|
|
not necessary to install them in the target directory because they will
|
|
|
|
|
not be used at runtime. By default, target installation is enabled; setting
|
|
|
|
|
this variable to NO is almost never needed. Also by default, packages are
|
|
|
|
|
installed in this location using the +make install+ command.
|
2011-10-10 10:46:39 +02:00
|
|
|
|
2013-02-25 12:31:31 +01:00
|
|
|
On line 12, we tell Buildroot to pass custom options to CMake when it is
|
2011-10-10 10:46:39 +02:00
|
|
|
configuring the package.
|
|
|
|
|
|
2013-02-25 12:31:31 +01:00
|
|
|
On line 13, we declare our dependencies, so that they are built
|
2011-10-10 10:46:39 +02:00
|
|
|
before the build process of our package starts.
|
|
|
|
|
|
2013-02-25 12:31:31 +01:00
|
|
|
Finally, on line line 15, we invoke the +cmake-package+
|
2011-10-10 10:46:39 +02:00
|
|
|
macro that generates all the Makefile rules that actually allows the
|
|
|
|
|
package to be built.
|
|
|
|
|
|
2012-07-06 00:06:46 +02:00
|
|
|
[[cmake-package-reference]]
|
2011-10-10 10:46:39 +02:00
|
|
|
|
manual: use one-line titles instead of two-line titles (trivial)
Asciidoc supports two syntaxes for section titles: two-line titles (title
plus underline consisting of a particular symbol), and one-line titles
(title prefixed with a specific number of = signs).
The two-line title underlines are:
Level 0 (top level): ======================
Level 1: ----------------------
Level 2: ~~~~~~~~~~~~~~~~~~~~~~
Level 3: ^^^^^^^^^^^^^^^^^^^^^^
Level 4 (bottom level): ++++++++++++++++++++++
and the one-line title prefixes:
= Document Title (level 0) =
== Section title (level 1) ==
=== Section title (level 2) ===
==== Section title (level 3) ====
===== Section title (level 4) =====
The buildroot manual is currenly using the two-line titles, but this has
multiple disadvantages:
- asciidoc also uses some of the underline symbols for other purposes (like
preformatted code, example blocks, ...), which makes it difficult to do
mass replacements, such as a planned follow-up patch that needs to move
all sections one level down.
- it is difficult to remember which level a given underline symbol (=-~^+)
corresponds to, while counting = signs is easy.
This patch changes all two-level titles to one-level titles in the manual.
The bulk of the change was done with the following Python script, except for
the level 1 titles (-----) as these underlines are also used for literal
code blocks.
This patch only changes the titles, no other changes. In
adding-packages-directory.txt, I did add missing newlines between some
titles and their content.
----------------------------------------------------------------------------
#!/usr/bin/env python
import sys
import mmap
import re
for input in sys.argv[1:]:
f = open(input, 'r+')
f.flush()
s = mmap.mmap(f.fileno(), 0)
# Level 0 (top level): ====================== =
# Level 1: ---------------------- ==
# Level 2: ~~~~~~~~~~~~~~~~~~~~~~ ===
# Level 3: ^^^^^^^^^^^^^^^^^^^^^^ ====
# Level 4 (bottom level): ++++++++++++++++++++++ =====
def replace_title(s, symbol, replacement):
pattern = re.compile(r'(.+\n)\%s{2,}\n' % symbol, re.MULTILINE)
return pattern.sub(r'%s \1' % replacement, s)
new = s
new = replace_title(new, '=', '=')
new = replace_title(new, '+', '=====')
new = replace_title(new, '^', '====')
new = replace_title(new, '~', '===')
#new = replace_title(new, '-', '==')
s.seek(0)
s.write(new)
s.resize(s.tell())
s.close()
f.close()
----------------------------------------------------------------------------
Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2014-05-02 07:47:30 +02:00
|
|
|
==== +cmake-package+ reference
|
2011-10-10 10:46:39 +02:00
|
|
|
|
|
|
|
|
The main macro of the CMake package infrastructure is
|
2012-07-03 00:07:08 +02:00
|
|
|
+cmake-package+. It is similar to the +generic-package+ macro. The ability to
|
2012-07-03 00:05:46 +02:00
|
|
|
have target and host packages is also available, with the
|
|
|
|
|
+host-cmake-package+ macro.
|
2011-10-10 10:46:39 +02:00
|
|
|
|
|
|
|
|
Just like the generic infrastructure, the CMake infrastructure works
|
2012-07-03 00:07:08 +02:00
|
|
|
by defining a number of variables before calling the +cmake-package+
|
2011-10-10 10:46:39 +02:00
|
|
|
macro.
|
|
|
|
|
|
|
|
|
|
First, all the package metadata information variables that exist in
|
|
|
|
|
the generic infrastructure also exist in the CMake infrastructure:
|
|
|
|
|
+LIBFOO_VERSION+, +LIBFOO_SOURCE+, +LIBFOO_PATCH+, +LIBFOO_SITE+,
|
|
|
|
|
+LIBFOO_SUBDIR+, +LIBFOO_DEPENDENCIES+, +LIBFOO_INSTALL_STAGING+,
|
|
|
|
|
+LIBFOO_INSTALL_TARGET+.
|
|
|
|
|
|
|
|
|
|
A few additional variables, specific to the CMake infrastructure, can
|
|
|
|
|
also be defined. Many of them are only useful in very specific cases,
|
|
|
|
|
typical packages will therefore only use a few of them.
|
|
|
|
|
|
|
|
|
|
* +LIBFOO_SUBDIR+ may contain the name of a subdirectory inside the
|
|
|
|
|
package that contains the main CMakeLists.txt file. This is useful,
|
|
|
|
|
if for example, the main CMakeLists.txt file is not at the root of
|
|
|
|
|
the tree extracted by the tarball. If +HOST_LIBFOO_SUBDIR+ is not
|
|
|
|
|
specified, it defaults to +LIBFOO_SUBDIR+.
|
|
|
|
|
|
|
|
|
|
* +LIBFOO_CONF_ENV+, to specify additional environment variables to
|
|
|
|
|
pass to CMake. By default, empty.
|
|
|
|
|
|
2014-09-27 21:32:44 +02:00
|
|
|
* +LIBFOO_CONF_OPTS+, to specify additional configure options to pass
|
2014-10-19 20:04:51 +02:00
|
|
|
to CMake. By default, empty. A number of common CMake options are
|
|
|
|
|
set by the +cmake-package+ infrastructure; so it is normally not
|
|
|
|
|
necessary to set them in the package's +*.mk+ file unless you want
|
|
|
|
|
to override them:
|
|
|
|
|
|
|
|
|
|
** +CMAKE_BUILD_TYPE+ is driven by +BR2_ENABLE_DEBUG+;
|
|
|
|
|
** +CMAKE_INSTALL_PREFIX+;
|
2014-12-03 22:41:29 +01:00
|
|
|
** +BUILD_SHARED_LIBS+ is driven by +BR2_STATIC_LIBS+;
|
2014-10-19 20:04:51 +02:00
|
|
|
** +BUILD_DOC+, +BUILD_DOCS+ are disabled;
|
|
|
|
|
** +BUILD_EXAMPLE+, +BUILD_EXAMPLES+ are disabled;
|
|
|
|
|
** +BUILD_TEST+, +BUILD_TESTS+, +BUILD_TESTING+ are disabled.
|
2011-10-10 10:46:39 +02:00
|
|
|
|
|
|
|
|
* +LIBFOO_MAKE+, to specify an alternate +make+ command. This is
|
|
|
|
|
typically useful when parallel make is enabled in the configuration
|
|
|
|
|
(using +BR2_JLEVEL+) but that this feature should be disabled for
|
|
|
|
|
the given package, for one reason or another. By default, set to
|
|
|
|
|
+$(MAKE)+. If parallel building is not supported by the package,
|
|
|
|
|
then it should be set to +LIBFOO_MAKE=$(MAKE1)+.
|
|
|
|
|
|
|
|
|
|
* +LIBFOO_MAKE_ENV+, to specify additional environment variables to
|
|
|
|
|
pass to make in the build step. These are passed before the +make+
|
|
|
|
|
command. By default, empty.
|
|
|
|
|
|
2014-09-27 21:32:38 +02:00
|
|
|
* +LIBFOO_MAKE_OPTS+, to specify additional variables to pass to make
|
2011-10-10 10:46:39 +02:00
|
|
|
in the build step. These are passed after the +make+ command. By
|
|
|
|
|
default, empty.
|
|
|
|
|
|
2014-09-27 21:32:41 +02:00
|
|
|
* +LIBFOO_INSTALL_STAGING_OPTS+ contains the make options used to
|
2011-10-10 10:46:39 +02:00
|
|
|
install the package to the staging directory. By default, the value
|
2012-11-27 12:59:16 +01:00
|
|
|
is +DESTDIR=$(STAGING_DIR) install+, which is correct for most
|
2011-10-10 10:46:39 +02:00
|
|
|
CMake packages. It is still possible to override it.
|
|
|
|
|
|
2014-09-27 21:32:40 +02:00
|
|
|
* +LIBFOO_INSTALL_TARGET_OPTS+ contains the make options used to
|
2011-10-10 10:46:39 +02:00
|
|
|
install the package to the target directory. By default, the value
|
2012-11-27 12:59:16 +01:00
|
|
|
is +DESTDIR=$(TARGET_DIR) install+. The default value is correct
|
2011-10-10 10:46:39 +02:00
|
|
|
for most CMake packages, but it is still possible to override it if
|
|
|
|
|
needed.
|
|
|
|
|
|
|
|
|
|
With the CMake infrastructure, all the steps required to build and
|
|
|
|
|
install the packages are already defined, and they generally work well
|
|
|
|
|
for most CMake-based packages. However, when required, it is still
|
|
|
|
|
possible to customize what is done in any particular step:
|
|
|
|
|
|
|
|
|
|
* By adding a post-operation hook (after extract, patch, configure,
|
2013-11-07 11:41:23 +01:00
|
|
|
build or install). See xref:hooks[] for details.
|
2011-10-10 10:46:39 +02:00
|
|
|
|
|
|
|
|
* By overriding one of the steps. For example, even if the CMake
|
|
|
|
|
infrastructure is used, if the package +.mk+ file defines its own
|
|
|
|
|
+LIBFOO_CONFIGURE_CMDS+ variable, it will be used instead of the
|
|
|
|
|
default CMake one. However, using this method should be restricted
|
|
|
|
|
to very specific cases. Do not use it in the general case.
|
