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doc: don't overwrite makeFlagsArray in the example

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Arrays like these should be appended to instead of overwritten in almost
every case to avoid loosing the existing flags.
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Daiderd Jordan 2019-01-06 15:40:11 +01:00
parent 9ee8cf5177
commit e279767d69
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doc/stdenv.xml
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@ -1279,7 +1279,9 @@ makeFlags = [ "PREFIX=$(out)" ];
<command>make</command>. You must use this instead of <command>make</command>. You must use this instead of
<varname>makeFlags</varname> if the arguments contain spaces, e.g. <varname>makeFlags</varname> if the arguments contain spaces, e.g.
<programlisting> <programlisting>
makeFlagsArray=(CFLAGS="-O0 -g" LDFLAGS="-lfoo -lbar") preBuild = ''
makeFlagsArray+=(CFLAGS="-O0 -g" LDFLAGS="-lfoo -lbar")
'';
</programlisting> </programlisting>
Note that shell arrays cannot be passed through environment variables, Note that shell arrays cannot be passed through environment variables,
so you cannot set <varname>makeFlagsArray</varname> in a derivation so you cannot set <varname>makeFlagsArray</varname> in a derivation