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| author | John Ericson <John.Ericson@Obsidian.Systems> | 2017-09-20 11:33:29 -0400 |
|---|---|---|
| committer | John Ericson <John.Ericson@Obsidian.Systems> | 2017-09-26 11:24:19 -0400 |
| commit | bc0aec5d974a6a3269aeb4cec582e51baa433853 (patch) | |
| tree | 63decd432ccfc27d0d124f5f3a03ea72b2d5ece6 /doc/stdenv.xml | |
| parent | 2d521567933718dee4f820efb3b41a2baaf08d02 (diff) | |
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doc: Document forthcomming NIX_DEBUG degredations
Diffstat (limited to 'doc/stdenv.xml')
| -rw-r--r-- | doc/stdenv.xml | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/doc/stdenv.xml b/doc/stdenv.xml index dac53bc2b800..a097762130a5 100644 --- a/doc/stdenv.xml +++ b/doc/stdenv.xml @@ -1,4 +1,3 @@ - <chapter xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="chap-stdenv"> @@ -188,11 +187,13 @@ genericBuild <varlistentry> <term><varname>NIX_DEBUG</varname></term> - <listitem><para>If set, <literal>stdenv</literal> will print some - debug information during the build. In particular, the - <command>gcc</command> and <command>ld</command> wrapper scripts - will print out the complete command line passed to the wrapped - tools.</para></listitem> + <listitem><para> + A natural number indicating how much information to log. + If set to 1 or higher, <literal>stdenv</literal> will print moderate debug information during the build. + In particular, the <command>gcc</command> and <command>ld</command> wrapper scripts will print out the complete command line passed to the wrapped tools. + If set to 6 or higher, the <literal>stdenv</literal> setup script will be run with <literal>set -x</literal> tracing. + If set to 7 or higher, the <command>gcc</command> and <command>ld</command> wrapper scripts will also be run with <literal>set -x</literal> tracing. + </para></listitem> </varlistentry> </variablelist> |