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<p>I don't confirm this. Your test case works fine for me with 8.1.0
and a few later versions<br>
</p>
<p>$ g++ test.cpp -o mytest -I/home/even/install-proj-8.1.0/include
-L/home/even/install-proj-8.1.0/lib -lproj<br>
$ LD_LIBRARY_PATH=/home/even/install-proj-8.1.0/lib ldd mytest |
grep proj<br>
libproj.so.22 =>
/home/even/install-proj-8.1.0/lib/libproj.so.22
(0x00007f6d7f059000)<br>
$ PROJ_LIB=/tmp/foo
LD_LIBRARY_PATH=/home/even/install-proj-8.1.0/lib ./mytest<br>
proj searchpath: /home/even/.local/share/proj:/tmp/foo<br>
<br>
</p>
<div class="moz-cite-prefix">Le 05/10/2022 à 22:44, Tom O'Reilly a
écrit :<br>
</div>
<blockquote type="cite"
cite="mid:1619354296.13205683.1665002651115.JavaMail.zimbra@mbari.org">
<div id="zimbraEditorContainer" class="4">
<div>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 11.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;">How exactly is $PROJ_LIB intended
to alter the PJ_INFO.searchpath? It appears to behave
differently between PROJ-7.1.0 and PROJ-8.1.0:</span></p>
<ul data-mce-style="margin-top: 0; margin-bottom: 0;
padding-inline-start: 48px;">
<li dir="ltr" aria-level="1"
data-mce-style="list-style-type: disc; font-size: 11.5pt;
font-family: 'Courier New'; color: #222222;
background-color: transparent; font-weight: 400;
font-style: normal; font-variant: normal; text-decoration:
none; vertical-align: baseline; white-space: pre;">
<p dir="ltr" role="presentation"
data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 11.5pt; font-family:
'Courier New'; color: #222222; background-color:
#ffffff; font-weight: 400; font-style: normal;
font-variant: normal; text-decoration: none;
vertical-align: baseline; white-space: pre-wrap;">PROJ-7.1.0
</span><span data-mce-style="font-size: 11.5pt;
font-family: 'Courier New'; color: #222222;
background-color: #ffffff; font-weight: 400;
font-style: normal; font-variant: normal;
text-decoration: underline;
-webkit-text-decoration-skip: none;
text-decoration-skip-ink: none; vertical-align:
baseline; white-space: pre-wrap;">replaces</span><span
data-mce-style="font-size: 11.5pt; font-family:
'Courier New'; color: #222222; background-color:
#ffffff; font-weight: 400; font-style: normal;
font-variant: normal; text-decoration: none;
vertical-align: baseline; white-space: pre-wrap;"> the
last element of PJ_INFO.searchpath with $PROJ_LIB</span></p>
</li>
<li dir="ltr" aria-level="1"
data-mce-style="list-style-type: disc; font-size: 11.5pt;
font-family: 'Courier New'; color: #222222;
background-color: transparent; font-weight: 400;
font-style: normal; font-variant: normal; text-decoration:
none; vertical-align: baseline; white-space: pre;">
<p dir="ltr" role="presentation"
data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 11.5pt; font-family:
'Courier New'; color: #222222; background-color:
#ffffff; font-weight: 400; font-style: normal;
font-variant: normal; text-decoration: none;
vertical-align: baseline; white-space: pre-wrap;">PROJ-8.1.0
does not add the contents of $PROJ_LIB environment
variable to PJ_INFO.searchpath. </span></p>
</li>
</ul>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 11.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;"><br data-mce-bogus="1">
</span></p>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 11.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;">(These are the only two PROJ
versions I've tested so far)</span></p>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 11.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;">I determined this behavior from
this simple program:</span></p>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 11.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;"><br data-mce-bogus="1">
</span></p>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 9.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;">#include <iostream></span></p>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 9.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;">#include <proj.h></span></p>
<b data-mce-style="font-weight: normal;"><br>
</b>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 9.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;">int main(int argc, char **argv) {</span></p>
<b data-mce-style="font-weight: normal;"><br>
</b>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 9.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;"> PJ_INFO projInfo = proj_info();</span></p>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 9.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;"> std::cerr << "proj
searchpath: " << projInfo.searchpath <<
std::endl; </span></p>
<b data-mce-style="font-weight: normal;"><br>
</b>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 9.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;"> return 0;</span></p>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 11.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;">}</span></p>
<b data-mce-style="font-weight: normal;"><br>
</b>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 11.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;"> </span></p>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 10.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;">PROJ-7.1.0, PROJ_LIB not set:</span></p>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 10.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;">proj searchpath:
/home/oreilly/.local/share/proj:/usr/local/share/proj</span></p>
<b data-mce-style="font-weight: normal;"><br>
</b>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 10.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;">PROJ-7.1.0, PROJ_LIB=/tmp/mystuff:</span></p>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 10.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;">proj searchpath:
/home/oreilly/.local/share/proj:/tmp/mystuff</span></p>
<b data-mce-style="font-weight: normal;"><br>
</b>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 10.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;">PROJ-8.1.0, PROJ_LIB not set:</span></p>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 10.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;">proj searchpath:
/home/oreilly/.local/share/proj</span></p>
<b data-mce-style="font-weight: normal;"><br>
</b>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 10.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;">PROJ-8.1.0, PROJ_LIB=/tmp/mystuff:</span></p>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 10.5pt; font-family: 'Courier
New'; color: #000000; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;">proj searchpath:
/home/oreilly/.local/share/proj</span></p>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 10.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;"><br data-mce-bogus="1">
</span></p>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 10.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;">Are there bugs in how PROJ_LIB is
handled? What is the intended effect of PROJ_LIB on
searchpath?</span></p>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 10.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;"><br data-mce-bogus="1">
</span></p>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 10.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;">Thanks,</span></p>
<p dir="ltr" data-mce-style="line-height: 1.2; margin: 0px;"><span
data-mce-style="font-size: 10.5pt; font-family: 'Courier
New'; color: #222222; background-color: #ffffff;
font-weight: 400; font-style: normal; font-variant:
normal; text-decoration: none; vertical-align: baseline;
white-space: pre-wrap;">Tom</span></p>
</div>
<div><br>
</div>
<div data-marker="__SIG_PRE__"><span
data-mce-style="font-family: 'courier new', courier, monaco,
monospace, sans-serif;">--------------------------------------------------</span><br>
<span data-mce-style="font-family: 'courier new', courier,
monaco, monospace, sans-serif;">Thomas C. O'Reilly</span><br>
<span data-mce-style="font-family: 'courier new', courier,
monaco, monospace, sans-serif;">Monterey Bay Aquarium
Research Institute</span><br>
<span data-mce-style="font-family: 'courier new', courier,
monaco, monospace, sans-serif;">7700 Sandholdt Road</span><br>
<span data-mce-style="font-family: 'courier new', courier,
monaco, monospace, sans-serif;">Moss Landing, California
95039-9644</span><br>
<span data-mce-style="font-family: 'courier new', courier,
monaco, monospace, sans-serif;">831-775-1766 (voice)</span><br>
<span data-mce-style="font-family: 'courier new', courier,
monaco, monospace, sans-serif;">831-775-1620 (FAX)</span><br>
<span data-mce-style="font-family: 'courier new', courier,
monaco, monospace, sans-serif;"><a class="moz-txt-link-abbreviated" href="mailto:oreilly@mbari.org">oreilly@mbari.org</a> (email)</span><br>
<span data-mce-style="font-family: 'courier new', courier,
monaco, monospace, sans-serif;"><a class="moz-txt-link-freetext" href="http://www.mbari.org">http://www.mbari.org</a>
(World-wide Web)</span><br>
<span data-mce-style="font-family: 'courier new', courier,
monaco, monospace, sans-serif;"> </span><br>
<span data-mce-style="font-family: 'courier new', courier,
monaco, monospace, sans-serif;">"The machine does not
isolate us from the great mysteries</span><br>
<span data-mce-style="font-family: 'courier new', courier,
monaco, monospace, sans-serif;"> of nature, but plunges us
more deeply into them."</span><br>
<span data-mce-style="font-family: 'courier new', courier,
monaco, monospace, sans-serif;"> </span><br>
<span data-mce-style="font-family: 'courier new', courier,
monaco, monospace, sans-serif;"> - ANTOINE DE
SAINT-EXUPERY</span><br>
<span data-mce-style="font-family: 'courier new', courier,
monaco, monospace, sans-serif;"> "Wind, Sand, and Stars"
(1939)</span><br>
<span data-mce-style="font-family: 'courier new', courier,
monaco, monospace, sans-serif;"> </span></div>
</div>
<br>
<fieldset class="moz-mime-attachment-header"></fieldset>
<pre class="moz-quote-pre" wrap="">_______________________________________________
PROJ mailing list
<a class="moz-txt-link-abbreviated" href="mailto:PROJ@lists.osgeo.org">PROJ@lists.osgeo.org</a>
<a class="moz-txt-link-freetext" href="https://lists.osgeo.org/mailman/listinfo/proj">https://lists.osgeo.org/mailman/listinfo/proj</a>
</pre>
</blockquote>
<pre class="moz-signature" cols="72">--
<a class="moz-txt-link-freetext" href="http://www.spatialys.com">http://www.spatialys.com</a>
My software is free, but my time generally not.</pre>
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