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author | Steven Knight <knight@baldmt.com> | 2008-08-09 18:23:26 (GMT) |
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committer | Steven Knight <knight@baldmt.com> | 2008-08-09 18:23:26 (GMT) |
commit | d0c5748eb01e8303b6221afad432cb908672c161 (patch) | |
tree | 962a16c94759f57f27387cb315e72a6a028aa443 /doc/user/parseconfig.in | |
parent | 2f5c0f667910c8c9db5e93842f5f6201409f704e (diff) | |
download | SCons-d0c5748eb01e8303b6221afad432cb908672c161.zip SCons-d0c5748eb01e8303b6221afad432cb908672c161.tar.gz SCons-d0c5748eb01e8303b6221afad432cb908672c161.tar.bz2 |
Merged revisions 3057-3059,3061-3264 via svnmerge from
http://scons.tigris.org/svn/scons/branches/core
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r3061 | stevenknight | 2008-06-10 10:06:24 -0700 (Tue, 10 Jun 2008) | 3 lines
Issue 2085: Fix man page indentation under Debian systems.
Also add escape characters to the beginnings of some necessary lines.
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r3063 | GregNoel | 2008-06-10 17:50:28 -0700 (Tue, 10 Jun 2008) | 1 line
Add David as a member; parametize input file
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r3064 | stevenknight | 2008-06-11 07:22:23 -0700 (Wed, 11 Jun 2008) | 3 lines
Issue 1973: Clarify the man page description of the SConscript(src_dir)
argument.
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r3065 | stevenknight | 2008-06-11 11:25:00 -0700 (Wed, 11 Jun 2008) | 3 lines
Issues 1974, 1999: document {Add,Get,Set}Option(). Reorganize the
section a little bit, other minor edits.
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r3066 | garyo | 2008-06-12 19:53:51 -0700 (Thu, 12 Jun 2008) | 1 line
Document GetBuildFailures in Users Guide. Closes issue #1989.
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r3067 | stevenknight | 2008-06-14 06:42:07 -0700 (Sat, 14 Jun 2008) | 2 lines
Fix build errors from undefined &GetBuildFailures; entity in doc.
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r3073 | garyo | 2008-06-14 18:40:20 -0700 (Sat, 14 Jun 2008) | 1 line
Fix issue #1538 (Handling of string argument in Action.Action). Includes test.
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r3074 | garyo | 2008-06-14 19:11:30 -0700 (Sat, 14 Jun 2008) | 1 line
doc: Trivial man page typo fix.
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r3075 | stevenknight | 2008-06-15 14:35:13 -0700 (Sun, 15 Jun 2008) | 3 lines
Add a test to make sure the env.RCS() applied to an individual file works
correctly when the checked-out copy is changed.
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r3076 | stevenknight | 2008-06-15 23:07:17 -0700 (Sun, 15 Jun 2008) | 2 lines
Issue 2025: User's Guide updates from Randall Spangler's review.
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r3078 | stevenknight | 2008-06-16 06:26:13 -0700 (Mon, 16 Jun 2008) | 2 lines
Issue 1990: Document the Requires() function in the Users's Guide.
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r3082 | stevenknight | 2008-06-16 19:31:00 -0700 (Mon, 16 Jun 2008) | 3 lines
Fix the second example in the AddMethod() chapter. Show the Windows
output generating a resource file. Other copyedits.
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r3083 | stevenknight | 2008-06-17 06:44:02 -0700 (Tue, 17 Jun 2008) | 2 lines
Fix misspelled entity: &Builders; => &Builder;s.
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r3084 | stevenknight | 2008-06-17 08:30:13 -0700 (Tue, 17 Jun 2008) | 3 lines
Issue 1588: - Document suggested use of the Viual C/C++ /FC option to fix
the ability to double-click on file names in compilation error messages.
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r3085 | stevenknight | 2008-06-17 08:50:33 -0700 (Tue, 17 Jun 2008) | 3 lines
Issue 1687: Document the need to use Clean() for any SideEffect()
files that must be explicitly removed when their targets are removed.
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r3086 | stevenknight | 2008-06-17 10:59:28 -0700 (Tue, 17 Jun 2008) | 2 lines
Typo fix in the new SideEffect() paragraph. (Gary Oberbrunner)
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r3088 | cournape | 2008-06-17 19:55:27 -0700 (Tue, 17 Jun 2008) | 3 lines
Initialized merge tracking via "svnmerge" with revisions "1-3087" from
http://scons.tigris.org/svn/scons/branches/vs_revamp
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r3094 | stevenknight | 2008-06-19 09:52:16 -0700 (Thu, 19 Jun 2008) | 3 lines
Change the User's Guide to use the new Variables object and its
associated function for controlling command-line build variables.
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r3115 | stevenknight | 2008-06-25 06:46:36 -0700 (Wed, 25 Jun 2008) | 2 lines
Issue 2072: end indentation after generated Builder text.
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r3116 | stevenknight | 2008-06-25 19:07:15 -0700 (Wed, 25 Jun 2008) | 2 lines
Reorganize the command-line arguments chapter.
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r3117 | stevenknight | 2008-06-25 19:13:58 -0700 (Wed, 25 Jun 2008) | 2 lines
Editing pass for formatting in the Glob() sections.
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r3118 | stevenknight | 2008-06-25 19:23:09 -0700 (Wed, 25 Jun 2008) | 3 lines
Wording changing: Preventing => Controlling, because the chapter
also talks about how to clean additional targets.
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r3119 | stevenknight | 2008-06-25 19:50:41 -0700 (Wed, 25 Jun 2008) | 2 lines
Fix missing </literal> tags, minor wording fix.
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r3120 | stevenknight | 2008-06-25 19:58:34 -0700 (Wed, 25 Jun 2008) | 2 lines
Add "the Default Function" to the appropriate subsection title.
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r3121 | stevenknight | 2008-06-26 08:33:43 -0700 (Thu, 26 Jun 2008) | 2 lines
Issue 1988: Document the Variables.UnknownVariables() method.
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r3122 | stevenknight | 2008-06-26 08:35:51 -0700 (Thu, 26 Jun 2008) | 3 lines
Remove comments listing some of the variables that have been
documented recently.
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r3123 | stevenknight | 2008-06-26 12:42:53 -0700 (Thu, 26 Jun 2008) | 2 lines
Issue 2118: Fix incorrectly swapped man page text. (Alexey Zezukin)
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r3124 | bdbaddog | 2008-06-26 21:23:46 -0700 (Thu, 26 Jun 2008) | 2 lines
Fix bug 2108 - duplicate text in description of interactive mode
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r3125 | stevenknight | 2008-06-27 21:54:56 -0700 (Fri, 27 Jun 2008) | 3 lines
Issue 1993: Document the $*COMSTR variables, the Progress() function,
and create a common "Controlling Build Output" chapter.
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r3126 | garyo | 2008-06-28 05:46:44 -0700 (Sat, 28 Jun 2008) | 1 line
Fix issue 2105; temporarily omit doc saying that SetOption can override user-created Options (until that is implemented).
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r3127 | stevenknight | 2008-06-28 07:29:18 -0700 (Sat, 28 Jun 2008) | 2 lines
Issue 1747: Explicitly document use of Node lists as input to Depends().
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r3128 | stevenknight | 2008-06-28 07:48:32 -0700 (Sat, 28 Jun 2008) | 6 lines
White space change: indent the construction environment sections
further to make way for combining this chapter with others to make
one big "Controlling Environments" chapter.
Also, get rid of some now-unnecessary doc from the old Cons classic
POD, that was taking up space here waiting to be documented.
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r3129 | cournape | 2008-06-29 01:56:30 -0700 (Sun, 29 Jun 2008) | 3 lines
Initialized merge tracking via "svnmerge" with revisions "1-3128" from
http://scons.tigris.org/svn/scons/branches/trygrep
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r3143 | stevenknight | 2008-07-02 10:29:39 -0700 (Wed, 02 Jul 2008) | 3 lines
Initialized merge tracking via "svnmerge" with revisions "1-3142" from
http://scons.tigris.org/svn/scons/branches/sgk_lookup
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r3181 | stevenknight | 2008-07-08 07:17:27 -0700 (Tue, 08 Jul 2008) | 4 lines
Reorganize the discussion of different environments into one chapter.
Document the SetDefault(), PrependUnique(), AppendUnique(),
PrependENVPath() and AppendENVPath() functions.
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r3182 | stevenknight | 2008-07-08 08:47:55 -0700 (Tue, 08 Jul 2008) | 2 lines
Issue 1998: Docment the ARGLIST variable in the User's Guide.
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r3194 | GregNoel | 2008-07-09 23:16:51 -0700 (Wed, 09 Jul 2008) | 1 line
remove unnecessary trailing spaces on lines
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r3204 | stevenknight | 2008-07-11 08:29:18 -0700 (Fri, 11 Jul 2008) | 2 lines
Issue 1853: Remove referenc to SCons.Util.CLVar from a doc example.
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r3206 | GregNoel | 2008-07-12 02:08:19 -0700 (Sat, 12 Jul 2008) | 1 line
Another go at describing VariantDir()
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r3213 | stevenknight | 2008-07-13 08:57:57 -0700 (Sun, 13 Jul 2008) | 3 lines
Set /branches/comments in svnmerge-integrated property to allow
merging changes in both directions.
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r3217 | stevenknight | 2008-07-16 06:52:44 -0700 (Wed, 16 Jul 2008) | 2 lines
Update the copyright year in the User's Guide.
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r3218 | stevenknight | 2008-07-16 07:08:52 -0700 (Wed, 16 Jul 2008) | 3 lines
Issue 1881: Add man page text clarifying the behavior of
Add{Pre,Post}Action() when multiple targets are specified.
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r3223 | stevenknight | 2008-07-18 08:18:45 -0700 (Fri, 18 Jul 2008) | 3 lines
Initialized merge tracking via "svnmerge" with revisions "1-3222" from
http://scons.tigris.org/svn/scons/branches/sgk_subst
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r3231 | stevenknight | 2008-07-22 01:58:11 -0700 (Tue, 22 Jul 2008) | 4 lines
Enhance MSVSProject() tests so they're runnable on any system, regardless
of whether Visual Studio is installed, or if it's even a Windows system
at all.
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r3237 | GregNoel | 2008-07-26 00:07:49 -0700 (Sat, 26 Jul 2008) | 1 line
Issue 1983: Document ParseConfig, MergeFlags, and ParseFlags for the Users' Guide
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r3238 | stevenknight | 2008-07-26 08:38:18 -0700 (Sat, 26 Jul 2008) | 3 lines
Follow-ons for building the User's Guide with Greg's recent additions
for MergeFlags() and ParseFlags().
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r3239 | stevenknight | 2008-07-26 09:52:40 -0700 (Sat, 26 Jul 2008) | 3 lines
Re-arrange some sections talking about creating construction environments
and fetching/expanding variables.
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r3240 | stevenknight | 2008-07-26 12:16:11 -0700 (Sat, 26 Jul 2008) | 2 lines
Stylistic editing of new {Merge,Parse}{Config,Flags} sections.
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r3241 | GregNoel | 2008-07-26 12:42:42 -0700 (Sat, 26 Jul 2008) | 1 line
Issue 1987: Document SideEffect for Users' Guide (incomplete)
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r3242 | stevenknight | 2008-07-26 13:27:56 -0700 (Sat, 26 Jul 2008) | 2 lines
Correct dumb XML mistakes in my last checkin.
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r3243 | stevenknight | 2008-07-26 13:34:05 -0700 (Sat, 26 Jul 2008) | 2 lines
One-character typo. Gah.
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r3244 | stevenknight | 2008-07-26 13:44:14 -0700 (Sat, 26 Jul 2008) | 2 lines
Issue 1977,1980: document the Exit() and Flatten() functions.
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r3245 | stevenknight | 2008-07-27 10:24:12 -0700 (Sun, 27 Jul 2008) | 14 lines
Updates to the new SideEffect section (kudos to Greg).
While working on this, Greg discovered a bug (issue #2154) that prevents
a SideEffect() file from being used as input to another builder call; it
makes the builder target not get build when run in paralle (e.g. -j2)...
:-( So this patch comments out that section of Greg's section.
This also contains my usual editing pass. In this case I changed some
of the examples and added a bunch of text to try to help clarify some
things that seemed important. I also added a closing paragraph warning
that SideEffect() really shouldn't be used as an alternative to specifying
multiple target files in a Builder call when a command builds more than
one file that you care about.
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r3246 | stevenknight | 2008-07-27 10:31:17 -0700 (Sun, 27 Jul 2008) | 2 lines
Proofreading edits of the MergeFlags() section. (Greg Noel)
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r3247 | stevenknight | 2008-07-27 11:17:27 -0700 (Sun, 27 Jul 2008) | 2 lines
Issue 1976: document ensure{Python,SCons}Version() in the User's Guide.
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r3249 | GregNoel | 2008-07-28 15:57:00 -0700 (Mon, 28 Jul 2008) | 1 line
Add svn-bisect script
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Diffstat (limited to 'doc/user/parseconfig.in')
-rw-r--r-- | doc/user/parseconfig.in | 79 |
1 files changed, 56 insertions, 23 deletions
diff --git a/doc/user/parseconfig.in b/doc/user/parseconfig.in index 45b58cc..e5cc564 100644 --- a/doc/user/parseconfig.in +++ b/doc/user/parseconfig.in @@ -25,48 +25,56 @@ <para> - Configuring the right options to build programs to work with the - libraries--especially shared libraries--installed on a POSIX system - can be very complicated. - Various utilies with names that end in <filename>config</filename> - can return command-line options for the - GNU Compiler Collection + Configuring the right options to build programs to work with + libraries--especially shared libraries--that are available + on POSIX systems can be very complicated. + To help this situation, + various utilies with names that end in <filename>config</filename> + return the command-line options for the GNU Compiler Collection (GCC) + that are needed to use these libraries; + for example, the command-line options + to use a library named <filename>lib</filename> + would be found by calling a utility named <filename>lib-config</filename>. + + </para> + + <para> + + A more recent convention is that these options + are available from the generic <filename>pkg-config</filename> program, + which has common framework, error handling, and the like, + so that all the package creator has to do is provide the set of strings + for his particular package. </para> <para> &SCons; construction environments have a &ParseConfig; method - that executes a utility and configures - the appropriate construction variables + that executes a <filename>*config</filename> utility + (either <filename>pkg-config</filename> or a + more specific utility) + and configures the appropriate construction variables in the environment based on the command-line options returned by the specified command. </para> - </para> - <scons_example name="ParseConfig1"> <file name="SConstruct" printme="1"> env = Environment() - env.ParseConfig("pkg-config x11") - </file> - <file name="f1.c"> - int f1() { } - </file> - <file name="f2.c"> - int f2() { } - </file> - <file name="f3.c"> - int f3() { } + env['CPPPATH'] = ['/lib/compat'] + env.ParseConfig("pkg-config x11 --cflags --libs") + print env['CPPPATH'] </file> </scons_example> <para> - &SCons; will execute the specified command string - and XXX + &SCons; will execute the specified command string, + parse the resultant flags, + and add the flags to the appropriate environment variables. </para> @@ -76,6 +84,31 @@ <para> - XXX + In the example above, &SCons; has added the include directory to + <varname>CPPPATH</varname>. + (Depending upon what other flags are emitted by the + <filename>pkg-config</filename> command, + other variables may have been extended as well.) </para> + + <para> + + Note that the options are merged with existing options using + the &MergeFlags; method, + so that each option only occurs once in the construction variable: + + </para> + + <scons_example name="ParseConfig2"> + <file name="SConstruct" printme="1"> + env = Environment() + env.ParseConfig("pkg-config x11 --cflags --libs") + env.ParseConfig("pkg-config x11 --cflags --libs") + print env['CPPPATH'] + </file> + </scons_example> + + <scons_output example="ParseConfig2"> + <scons_output_command>scons -Q</scons_output_command> + </scons_output> |