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NAME="REF.MAKE"><SPAN
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NAME="REF.MAKE"><SPAN
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CLASS="PROPERTY"
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CLASS="PROPERTY"
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>make</SPAN
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>make</SPAN
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></H1
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><DIV
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CLASS="REFNAMEDIV"
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><A
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><A
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NAME="AEN4710"
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NAME="AEN4710"
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></A
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></A
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><H2
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><H2
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>Name</H2
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>Name</H2
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>Property <SPAN
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>Property <SPAN
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CLASS="PROPERTY"
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CLASS="PROPERTY"
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>make</SPAN
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>make</SPAN
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> -- Define an additional custom build step associated with an
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> -- Define an additional custom build step associated with an
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option, resulting in a target that should not go directly into a library.</DIV
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option, resulting in a target that should not go directly into a library.</DIV
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CLASS="REFSYNOPSISDIV"
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CLASS="REFSYNOPSISDIV"
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NAME="AEN4714"><H2
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NAME="AEN4714"><H2
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>Synopsis</H2
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>Synopsis</H2
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><TD
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><PRE
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><PRE
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CLASS="SYNOPSIS"
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CLASS="SYNOPSIS"
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>cdl_option <name> {
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>cdl_option <name> {
|
make [-priority=<pri>] {
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make [-priority=<pri>] {
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<custom build step>
|
<custom build step>
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}
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}
|
…
|
…
|
}</PRE
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}</PRE
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></TD
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></TD
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CLASS="REFSECT1"
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CLASS="REFSECT1"
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><A
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><A
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NAME="AEN4716"
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NAME="AEN4716"
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></A
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></A
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><H2
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><H2
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>Description</H2
|
>Description</H2
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><P
|
><P
|
>When building an <SPAN
|
>When building an <SPAN
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CLASS="APPLICATION"
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CLASS="APPLICATION"
|
>eCos</SPAN
|
>eCos</SPAN
|
> configuration the primary target is a single
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> configuration the primary target is a single
|
library, <TT
|
library, <TT
|
CLASS="FILENAME"
|
CLASS="FILENAME"
|
>libtarget.a</TT
|
>libtarget.a</TT
|
>. In some cases it is
|
>. In some cases it is
|
necessary to build some additional targets. For example architectural
|
necessary to build some additional targets. For example architectural
|
HAL packages typically build a linker script and some start-up code.
|
HAL packages typically build a linker script and some start-up code.
|
Such additional targets can be specified by a <SPAN
|
Such additional targets can be specified by a <SPAN
|
CLASS="PROPERTY"
|
CLASS="PROPERTY"
|
>make</SPAN
|
>make</SPAN
|
> property. Any
|
> property. Any
|
option can have one or more <SPAN
|
option can have one or more <SPAN
|
CLASS="PROPERTY"
|
CLASS="PROPERTY"
|
>make</SPAN
|
>make</SPAN
|
> properties, although typically such
|
> properties, although typically such
|
properties only occur in the body of a <TT
|
properties only occur in the body of a <TT
|
CLASS="LITERAL"
|
CLASS="LITERAL"
|
>cdl_package</TT
|
>cdl_package</TT
|
> command.</P
|
> command.</P
|
><P
|
><P
|
>The <SPAN
|
>The <SPAN
|
CLASS="PROPERTY"
|
CLASS="PROPERTY"
|
>make</SPAN
|
>make</SPAN
|
> property takes a single argument, which resembles a
|
> property takes a single argument, which resembles a
|
makefile rule: it consists of a target, a list of dependencies, and
|
makefile rule: it consists of a target, a list of dependencies, and
|
one or more commands that should be executed. However the argument is
|
one or more commands that should be executed. However the argument is
|
not a makefile fragment, and custom build steps may get executed in
|
not a makefile fragment, and custom build steps may get executed in
|
build environments that do not involve make. For full details of
|
build environments that do not involve make. For full details of
|
custom build steps see <A
|
custom build steps see <A
|
HREF="build.make.html#BUILD.CUSTOM"
|
HREF="build.make.html#BUILD.CUSTOM"
|
>the Section called <I
|
>the Section called <I
|
>Custom Build Steps</I
|
>Custom Build Steps</I
|
> in Chapter 4</A
|
> in Chapter 4</A
|
>.</P
|
>.</P
|
><DIV
|
><DIV
|
CLASS="WARNING"
|
CLASS="WARNING"
|
><P
|
><P
|
></P
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></P
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><TABLE
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CLASS="WARNING"
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BORDER="1"
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><TR
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><TR
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><TD
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><TD
|
ALIGN="CENTER"
|
ALIGN="CENTER"
|
><B
|
><B
|
>Warning</B
|
>Warning</B
|
></TD
|
></TD
|
></TR
|
></TR
|
><TR
|
><TR
|
><TD
|
><TD
|
ALIGN="LEFT"
|
ALIGN="LEFT"
|
><P
|
><P
|
>The exact syntax and limitations of custom build steps have not yet
|
>The exact syntax and limitations of custom build steps have not yet
|
been finalized, and are subject to change in future versions of the
|
been finalized, and are subject to change in future versions of the
|
configuration tools.</P
|
configuration tools.</P
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
></DIV
|
></DIV
|
><P
|
><P
|
>The <SPAN
|
>The <SPAN
|
CLASS="PROPERTY"
|
CLASS="PROPERTY"
|
>make</SPAN
|
>make</SPAN
|
> property takes an optional priority argument indicating the
|
> property takes an optional priority argument indicating the
|
order in which build steps take place. This priority complements the
|
order in which build steps take place. This priority complements the
|
dependency list, and avoids problems with packages needing to know
|
dependency list, and avoids problems with packages needing to know
|
details of custom build steps in other packages (which may change
|
details of custom build steps in other packages (which may change
|
between releases). The defined order is:</P
|
between releases). The defined order is:</P
|
><P
|
><P
|
></P
|
></P
|
><DIV
|
><DIV
|
CLASS="VARIABLELIST"
|
CLASS="VARIABLELIST"
|
><DL
|
><DL
|
><DT
|
><DT
|
>Priority 0</DT
|
>Priority 0</DT
|
><DD
|
><DD
|
><P
|
><P
|
>The header files exported by the current set of packages are copied
|
>The header files exported by the current set of packages are copied
|
to the appropriate places in the
|
to the appropriate places in the
|
<TT
|
<TT
|
CLASS="FILENAME"
|
CLASS="FILENAME"
|
>include</TT
|
>include</TT
|
> subdirectory of the
|
> subdirectory of the
|
install tree. Any unnecessary copies are avoided, to prevent rebuilds
|
install tree. Any unnecessary copies are avoided, to prevent rebuilds
|
of package and application source modules caused by header file dependencies.</P
|
of package and application source modules caused by header file dependencies.</P
|
><DIV
|
><DIV
|
CLASS="NOTE"
|
CLASS="NOTE"
|
><BLOCKQUOTE
|
><BLOCKQUOTE
|
CLASS="NOTE"
|
CLASS="NOTE"
|
><P
|
><P
|
><B
|
><B
|
>Note: </B
|
>Note: </B
|
>A possible future enhancement of the build system may result in the
|
>A possible future enhancement of the build system may result in the
|
build and install trees being updated automatically if there has been
|
build and install trees being updated automatically if there has been
|
a change to the <TT
|
a change to the <TT
|
CLASS="FILENAME"
|
CLASS="FILENAME"
|
>ecos.ecc</TT
|
>ecos.ecc</TT
|
> configuration savefile.</P
|
> configuration savefile.</P
|
></BLOCKQUOTE
|
></BLOCKQUOTE
|
></DIV
|
></DIV
|
></DD
|
></DD
|
><DT
|
><DT
|
>Priority 100</DT
|
>Priority 100</DT
|
><DD
|
><DD
|
><P
|
><P
|
>All files specified in <SPAN
|
>All files specified in <SPAN
|
CLASS="PROPERTY"
|
CLASS="PROPERTY"
|
>compile</SPAN
|
>compile</SPAN
|
> properties will get built, producing
|
> properties will get built, producing
|
the corresponding object files. In addition any custom build steps
|
the corresponding object files. In addition any custom build steps
|
defined by <SPAN
|
defined by <SPAN
|
CLASS="PROPERTY"
|
CLASS="PROPERTY"
|
>make_object</SPAN
|
>make_object</SPAN
|
> properties get executed, unless there is
|
> properties get executed, unless there is
|
a <TT
|
a <TT
|
CLASS="LITERAL"
|
CLASS="LITERAL"
|
>-priority=</TT
|
>-priority=</TT
|
> option.</P
|
> option.</P
|
></DD
|
></DD
|
><DT
|
><DT
|
>Priority 200</DT
|
>Priority 200</DT
|
><DD
|
><DD
|
><P
|
><P
|
>The libraries now get built using the appropriate object files.</P
|
>The libraries now get built using the appropriate object files.</P
|
></DD
|
></DD
|
><DT
|
><DT
|
>Priority 300</DT
|
>Priority 300</DT
|
><DD
|
><DD
|
><P
|
><P
|
>Any custom build steps specified by <SPAN
|
>Any custom build steps specified by <SPAN
|
CLASS="PROPERTY"
|
CLASS="PROPERTY"
|
>make</SPAN
|
>make</SPAN
|
> properties now get
|
> properties now get
|
executed, unless the priority for a particular build step is changed
|
executed, unless the priority for a particular build step is changed
|
from its default.</P
|
from its default.</P
|
></DD
|
></DD
|
></DL
|
></DL
|
></DIV
|
></DIV
|
><P
|
><P
|
>For example, if a custom build step needs to take place before any of
|
>For example, if a custom build step needs to take place before any of
|
the normal source files get compiled then it should be given a
|
the normal source files get compiled then it should be given a
|
priority somewhere between 0 and 100. If a custom build step involves
|
priority somewhere between 0 and 100. If a custom build step involves
|
post-processing an object file prior to its incorporation into a
|
post-processing an object file prior to its incorporation into a
|
library then a priority between 100 and 200 should be used.</P
|
library then a priority between 100 and 200 should be used.</P
|
></DIV
|
></DIV
|
><DIV
|
><DIV
|
CLASS="REFSECT1"
|
CLASS="REFSECT1"
|
><A
|
><A
|
NAME="AEN4757"
|
NAME="AEN4757"
|
></A
|
></A
|
><H2
|
><H2
|
>Example</H2
|
>Example</H2
|
><TABLE
|
><TABLE
|
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
|
><TR
|
><TD
|
><TD
|
><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>cdl_package CYGPKG_HAL_MN10300_AM33 {
|
>cdl_package CYGPKG_HAL_MN10300_AM33 {
|
display "MN10300 AM33 variant"
|
display "MN10300 AM33 variant"
|
parent CYGPKG_HAL_MN10300
|
parent CYGPKG_HAL_MN10300
|
implements CYGINT_HAL_MN10300_VARIANT
|
implements CYGINT_HAL_MN10300_VARIANT
|
hardware
|
hardware
|
include_dir cyg/hal
|
include_dir cyg/hal
|
define_header hal_mn10300_am33.h
|
define_header hal_mn10300_am33.h
|
description "
|
description "
|
The MN10300 AM33 variant HAL package provides generic
|
The MN10300 AM33 variant HAL package provides generic
|
support for this processor architecture. It is also
|
support for this processor architecture. It is also
|
necessary to select a specific target platform HAL
|
necessary to select a specific target platform HAL
|
package."
|
package."
|
|
|
make {
|
make {
|
<PREFIX>/lib/target.ld: <PACKAGE>/src/mn10300_am33.ld
|
<PREFIX>/lib/target.ld: <PACKAGE>/src/mn10300_am33.ld
|
$(CC) -E -P -Wp,-MD,target.tmp -DEXTRAS=1 -xc $(INCLUDE_PATH) $(CFLAGS) -o $@ $<
|
$(CC) -E -P -Wp,-MD,target.tmp -DEXTRAS=1 -xc $(INCLUDE_PATH) $(CFLAGS) -o $@ $<
|
@echo $@ ": \\" > $(notdir $@).deps
|
@echo $@ ": \\" > $(notdir $@).deps
|
@tail +2 target.tmp >> $(notdir $@).deps
|
@tail +2 target.tmp >> $(notdir $@).deps
|
@echo >> $(notdir $@).deps
|
@echo >> $(notdir $@).deps
|
@rm target.tmp
|
@rm target.tmp
|
}
|
}
|
}</PRE
|
}</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
></DIV
|
></DIV
|
><DIV
|
><DIV
|
CLASS="REFSECT1"
|
CLASS="REFSECT1"
|
><A
|
><A
|
NAME="AEN4760"
|
NAME="AEN4760"
|
></A
|
></A
|
><H2
|
><H2
|
>See Also</H2
|
>See Also</H2
|
><P
|
><P
|
>Properties <A
|
>Properties <A
|
HREF="ref.compile.html"
|
HREF="ref.compile.html"
|
>compile</A
|
>compile</A
|
>,
|
>,
|
<A
|
<A
|
HREF="ref.make-object.html"
|
HREF="ref.make-object.html"
|
>make_object</A
|
>make_object</A
|
> and
|
> and
|
<A
|
<A
|
HREF="ref.library.html"
|
HREF="ref.library.html"
|
>library</A
|
>library</A
|
>.</P
|
>.</P
|
></DIV
|
></DIV
|
><DIV
|
><DIV
|
CLASS="NAVFOOTER"
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|
><TD
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><TD
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WIDTH="34%"
|
WIDTH="34%"
|
ALIGN="center"
|
ALIGN="center"
|
VALIGN="top"
|
VALIGN="top"
|
><A
|
><A
|
HREF="reference.html"
|
HREF="reference.html"
|
ACCESSKEY="U"
|
ACCESSKEY="U"
|
>Up</A
|
>Up</A
|
></TD
|
></TD
|
><TD
|
><TD
|
WIDTH="33%"
|
WIDTH="33%"
|
ALIGN="right"
|
ALIGN="right"
|
VALIGN="top"
|
VALIGN="top"
|
><SPAN
|
><SPAN
|
CLASS="PROPERTY"
|
CLASS="PROPERTY"
|
>make_object</SPAN
|
>make_object</SPAN
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
></DIV
|
></DIV
|
></BODY
|
></BODY
|
></HTML
|
></HTML
|
|
|
