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<sect2> |
<sect2> |
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<title>Main code development</title> |
<title>Main code development</title> |
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<para>(formerly named "Tagging" ; this section needs an update)</para> |
<para><emphasis>(formerly named "Tagging" ; this section needs an update) |
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</emphasis></para> |
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<para>The intent of tagging is to create "known-good" checkpoints that |
<para>The intent of tagging is to create "known-good" checkpoints that |
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developers can use as references. Traditionally, MITgcm tagging has |
developers can use as references. Traditionally, MITgcm tagging has |
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For MITgcm, the process is similar. Typical commands are:</para> |
For MITgcm, the process is similar. Typical commands are:</para> |
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|
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<screen> |
<screen> |
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$ genmake -mods=../code |
$ genmake2 -mods=../code |
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$ make depend |
$ make depend |
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$ make |
$ make |
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</screen> |
</screen> |
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<sect3 id="genmake"> |
<sect3 id="genmake"> |
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<title>The <filename>genmake2</> Utility</title> |
<title>The <filename>genmake2</> Utility</title> |
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|
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<para><emphasis>Please note that the older <filename>genmake</> is |
<para><emphasis>(Note: the older <filename>genmake</> |
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deprecated and will eventually be replaced by <filename>genmake2</>. |
has been replaced by <filename>genmake2</>)</emphasis></para> |
|
This HOWTO only describes the newer tool.</emphasis></para> |
|
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<para>The first step in any MITgcm build is to create a Unix-style |
<para>The first step in any MITgcm build is to create a Unix-style |
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<filename>Makefile</filename> which will be parsed by |
<filename>Makefile</filename> which will be parsed by |
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<para>an "options file" as specified by the command-line option |
<para>an "options file" as specified by the command-line option |
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<filename>-optfile='FILENAME'</filename></para> |
<filename>-optfile='FILENAME'</filename></para> |
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</listitem> |
</listitem> |
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<listitem> |
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<para> a <filename>packages.conf</filename> file (in the current |
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directory or in one of the "MODS" directories, see below) |
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which contains the specific list of packages to compile |
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</para> |
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</listitem> |
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</orderedlist> |
</orderedlist> |
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|
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<para>then checking certain dependency rules (the package dependencies), |
<para>then checking certain dependency rules (the package dependencies), |
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</varlistentry> |
</varlistentry> |
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<varlistentry> |
<varlistentry> |
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<term><filename>-pdepend=/PATH/FILENAME</></term> |
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<listitem> |
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<para>This specifies the dependency file used for packages. If |
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not specified, the default dependency file is |
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<filename>$ROOTDIR/pkg/pkg_depend</>. The syntax for this file is |
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parsed on a line-by-line basis where each line containes either a |
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comment ("#") or a simple "PKGNAME1 (+|-)PKGNAME2" pairwise rule |
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where the "+" or "-" symbol specifies a "must be used with" or a |
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"must not be used with" relationship, respectively. If no rule is |
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specified, then it is assumed that the two packages are compatible |
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and will function either with or without each other.</para> |
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</listitem> |
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</varlistentry> |
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<varlistentry> |
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<term><filename>-pdefault=PKG</></term> |
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<term><filename>-pdefault='PKG1 [PKG2 PKG3 ...]'</></term> |
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<listitem> |
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<para>This option specifies the default set of packages |
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to be used. If not set, the default package list will |
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be read from |
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<filename>$ROOTDIR/pkg/pkg_default</>.</para> |
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</listitem> |
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</varlistentry> |
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<varlistentry> |
|
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<term><filename>-adof=/path/to/file</></term> |
<term><filename>-adof=/path/to/file</></term> |
525 |
<term><filename>-adoptfile=/path/to/file</></term> |
<term><filename>-adoptfile=/path/to/file</></term> |
526 |
<listitem> |
<listitem> |
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will be overridden by any identically-named sources within the |
will be overridden by any identically-named sources within the |
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"MODS" directories. The order of precedence for this |
"MODS" directories. The order of precedence for this |
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"name-hiding" is as follows:</para> |
"name-hiding" is as follows:</para> |
|
|
|
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<itemizedlist> |
<itemizedlist> |
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<listitem><para>"MODS" directories (in the order given) |
<listitem><para>"MODS" directories (in the order given) |
553 |
</para></listitem> |
</para></listitem> |
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<listitem><para>The "standard dirs" (which may have been |
<listitem><para>The "standard dirs" (which may have been |
560 |
specified by the "-standarddirs" option)</para></listitem> |
specified by the "-standarddirs" option)</para></listitem> |
561 |
</itemizedlist> |
</itemizedlist> |
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</listitem> |
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</varlistentry> |
564 |
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|
565 |
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<varlistentry> |
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<term><filename>-pgroups=/PATH/FILENAME</></term> |
567 |
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<listitem> |
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<para>This option specifies the file where package groups are |
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defined. If not set, the package-groups definition will |
570 |
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be read from |
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<filename>$ROOTDIR/pkg/pkg_groups</>.</para> |
572 |
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<para> |
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It also contains the default list of packages (defined |
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as the group <filename>"default_pkg_list"</>) which is used |
575 |
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when no specific package list (file: <filename>packages.conf</>) |
576 |
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is found in current directory or in any "MODS" directory. |
577 |
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</para> |
578 |
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</listitem> |
579 |
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</varlistentry> |
580 |
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|
581 |
|
<varlistentry> |
582 |
|
<term><filename>-pdepend=/PATH/FILENAME</></term> |
583 |
|
|
584 |
|
<listitem> |
585 |
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<para>This specifies the dependency file used for packages. If |
586 |
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not specified, the default dependency file is |
587 |
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<filename>$ROOTDIR/pkg/pkg_depend</>. The syntax for this file is |
588 |
|
parsed on a line-by-line basis where each line containes either a |
589 |
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comment ("#") or a simple "PKGNAME1 (+|-)PKGNAME2" pairwise rule |
590 |
|
where the "+" or "-" symbol specifies a "must be used with" or a |
591 |
|
"must not be used with" relationship, respectively. If no rule is |
592 |
|
specified, then it is assumed that the two packages are compatible |
593 |
|
and will function either with or without each other.</para> |
594 |
</listitem> |
</listitem> |
595 |
</varlistentry> |
</varlistentry> |
596 |
|
|
616 |
<para>In general, it is best to use <filename>genmake2</> on a "clean" |
<para>In general, it is best to use <filename>genmake2</> on a "clean" |
617 |
directory that is free of all source (*.[F,f],*.[F,f]90) and header |
directory that is free of all source (*.[F,f],*.[F,f]90) and header |
618 |
(*.h,*.inc) files. Generally, this can be accomplished in an |
(*.h,*.inc) files. Generally, this can be accomplished in an |
619 |
"un-clean" directory by running "make CLEAN" followed by "make |
"un-clean" directory by running "make Clean" followed by "make |
620 |
makefile".</para> |
makefile".</para> |
621 |
|
|
622 |
</sect3> |
</sect3> |
629 |
simulator) executable using:</para> |
simulator) executable using:</para> |
630 |
|
|
631 |
<screen> |
<screen> |
632 |
$ make CLEAN |
$ make Clean |
633 |
$ make depend |
$ make depend |
634 |
$ make |
$ make |
635 |
</screen> |
</screen> |
636 |
|
|
637 |
<para>The "make CLEAN" step will remove any stale source files, include |
<para>The "make Clean" step will remove any stale source files, include |
638 |
files, and links. It is strongly recommended for "un-clean" |
files, and links. It is strongly recommended for "un-clean" |
639 |
directories which may contain the (perhaps partial) results of |
directories which may contain the (perhaps partial) results of |
640 |
previous builds. Such "debris" can interfere with the next stage of |
previous builds. Such "debris" can interfere with the next stage of |
641 |
the build.</para> |
the build. |
642 |
|
A more agressive cleaning option, "make CLEAN", can be used to also |
643 |
|
remove the executable and output files from a previous run.</para> |
644 |
|
|
645 |
<para>The "make depend" step will create a large number of symbolic |
<para>The "make depend" step will create a large number of symbolic |
646 |
links from the local directory to the source file locations. It also |
links from the local directory to the source file locations. It also |