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Index: head/en_US.ISO8859-1/books/porters-handbook/makefiles/chapter.xml
===================================================================
--- head/en_US.ISO8859-1/books/porters-handbook/makefiles/chapter.xml
+++ head/en_US.ISO8859-1/books/porters-handbook/makefiles/chapter.xml
@@ -4342,7 +4342,7 @@
<emphasis>not</emphasis> selected. For example:</para>
<programlisting>OPTIONS_DEFINE= OPT1
-OPT1_CMAKE_ON= -DTEST:BOOL=true
+OPT1_CMAKE_ON= -DTEST:BOOL=true -DDEBUG:BOOL=true
OPT1_CMAKE_OFF= -DOPTIMIZE:BOOL=true</programlisting>
<para>is equivalent to:</para>
@@ -4352,10 +4352,56 @@
.include &lt;bsd.port.options.mk&gt;
.if ${PORT_OPTIONS:MOPT1}
-CMAKE_ARGS+= -DTEST:BOOL=true
+CMAKE_ARGS+= -DTEST:BOOL=true -DDEBUG:BOOL=true
.else
CMAKE_ARGS+= -DOPTIMIZE:BOOL=true
.endif</programlisting>
+
+ <para>See <xref linkend="options-cmake_bool"/> for a shorter
+ helper when the value is boolean.</para>
+ </sect3>
+
+ <sect3 xml:id="options-cmake_bool">
+ <title><varname><replaceable>OPT</replaceable>_CMAKE_BOOL</varname>
+ and
+ <varname><replaceable>OPT</replaceable>_CMAKE_BOOL_OFF</varname></title>
+
+ <para>When option <replaceable>OPT</replaceable> is selected,
+ for each <replaceable>entry</replaceable> in
+ <varname><replaceable>OPT</replaceable>_CMAKE_BOOL</varname>
+ then
+ <literal>-D<replaceable>entry</replaceable>:BOOL=true</literal>
+ is appended to <varname>CMAKE_ARGS</varname>. When option
+ <replaceable>OPT</replaceable> is <emphasis>not</emphasis>
+ selected,
+ <literal>-D<replaceable>entry</replaceable>:BOOL=false</literal>
+ is appended to <varname>CONFIGURE_ARGS</varname>.
+ <varname><replaceable>OPT</replaceable>_CMAKE_BOOL_OFF</varname>
+ is the oposite,
+ <literal>-D<replaceable>entry</replaceable>:BOOL=false</literal>
+ is appended to <varname>CMAKE_ARGS</varname> when the option
+ is selected, and
+ <literal>-D<replaceable>entry</replaceable>:BOOL=true</literal>
+ when the option is <emphasis>not</emphasis> selected. For
+ example:</para>
+
+ <programlisting>OPTIONS_DEFINE= OPT1
+OPT1_CMAKE_BOOL= TEST DEBUG
+OPT1_CMAKE_BOOL_OFF= OPTIMIZE</programlisting>
+
+ <para>is equivalent to:</para>
+
+ <programlisting>OPTIONS_DEFINE= OPT1
+
+.include &lt;bsd.port.options.mk&gt;
+
+.if ${PORT_OPTIONS:MOPT1}
+CMAKE_ARGS+= -DTEST:BOOL=true -DDEBUG:BOOL=true \
+ -DOPTIMIZE:BOOL=false
+.else
+CMAKE_ARGS+= -DTEST:BOOL=false -DDEBUG:BOOL=false \
+ -DOPTIMIZE:BOOL=true
+.endif</programlisting>
</sect3>
<sect3 xml:id="options-qmake_on">

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