I am getting the following error, despite putting all the proper code in the parent directory:<br><br>configure:12617: gcc -std=gnu99 -o conftest.exe -g -O2   conftest.c -ljpeg   &gt;&amp;5<br>configure:12617: $? = 0<br>configure:12634: result: -ljpeg<br>
configure:12648: checking for jpeg_boolean<br>configure:12648: gcc -std=gnu99 -c -g -O2  conftest.c &gt;&amp;5<br>conftest.c: In function &#39;main&#39;:<br>conftest.c:32: error: &#39;jpeg_boolean&#39; undeclared (first use in this function)<br>
conftest.c:32: error: (Each undeclared identifier is reported only once<br>conftest.c:32: error: for each function it appears in.)<br>configure:12648: $? = 1<br>configure: failed program was:<br>| /* confdefs.h */<br>| #define PACKAGE_NAME &quot;OpenSlide&quot;<br>
| #define PACKAGE_TARNAME &quot;openslide&quot;<br>| #define PACKAGE_VERSION &quot;3.2.3&quot;<br>| #define PACKAGE_STRING &quot;OpenSlide 3.2.3&quot;<br>| #define PACKAGE_BUGREPORT &quot;<a href="mailto:openslide-users@lists.andrew.cmu.edu">openslide-users@lists.andrew.cmu.edu</a>&quot;<br>
| #define PACKAGE_URL &quot;<a href="http://openslide.cs.cmu.edu">http://openslide.cs.cmu.edu</a>&quot;<br>| #define PACKAGE &quot;openslide&quot;<br>| #define VERSION &quot;3.2.3&quot;<br>| #define STDC_HEADERS 1<br>| #define HAVE_SYS_TYPES_H 1<br>
| #define HAVE_SYS_STAT_H 1<br>| #define HAVE_STDLIB_H 1<br>| #define HAVE_STRING_H 1<br>| #define HAVE_MEMORY_H 1<br>| #define HAVE_STRINGS_H 1<br>| #define HAVE_INTTYPES_H 1<br>| #define HAVE_STDINT_H 1<br>| #define HAVE_UNISTD_H 1<br>
| #define HAVE__BOOL 1<br>| #define HAVE_STDBOOL_H 1<br>| #define HAVE_FSEEKO 1<br>| #define HAVE_DLFCN_H 1<br>| #define LT_OBJDIR &quot;.libs/&quot;<br>| /* end confdefs.h.  */<br>| #include &lt;stdio.h&gt;<br>| #include &lt;jpeglib.h&gt;<br>
| <br>| int<br>| main ()<br>| {<br>| if (sizeof (jpeg_boolean))<br>|      return 0;<br>|   ;<br>|   return 0;<br>| }<br>configure:12648: result: no<br>configure:12661: checking for OpenJPEG<br>configure:12678: gcc -std=gnu99 -o conftest.exe -g -O2   conftest.c -lopenjpeg -ljpeg  &gt;&amp;5<br>
conftest.c:27:22: error: openjpeg.h: No such file or directory<br>conftest.c: In function &#39;main&#39;:<br>conftest.c:31: warning: implicit declaration of function &#39;opj_version&#39;<br>conftest.c:31: warning: initialization makes pointer from integer without a cast<br>
configure:12678: $? = 1<br>configure: failed program was:<br>| /* confdefs.h */<br>| #define PACKAGE_NAME &quot;OpenSlide&quot;<br>| #define PACKAGE_TARNAME &quot;openslide&quot;<br>| #define PACKAGE_VERSION &quot;3.2.3&quot;<br>
| #define PACKAGE_STRING &quot;OpenSlide 3.2.3&quot;<br>| #define PACKAGE_BUGREPORT &quot;<a href="mailto:openslide-users@lists.andrew.cmu.edu">openslide-users@lists.andrew.cmu.edu</a>&quot;<br>| #define PACKAGE_URL &quot;<a href="http://openslide.cs.cmu.edu">http://openslide.cs.cmu.edu</a>&quot;<br>
| #define PACKAGE &quot;openslide&quot;<br>| #define VERSION &quot;3.2.3&quot;<br>| #define STDC_HEADERS 1<br>| #define HAVE_SYS_TYPES_H 1<br>| #define HAVE_SYS_STAT_H 1<br>| #define HAVE_STDLIB_H 1<br>| #define HAVE_STRING_H 1<br>
| #define HAVE_MEMORY_H 1<br>| #define HAVE_STRINGS_H 1<br>| #define HAVE_INTTYPES_H 1<br>| #define HAVE_STDINT_H 1<br>| #define HAVE_UNISTD_H 1<br>| #define HAVE__BOOL 1<br>| #define HAVE_STDBOOL_H 1<br>| #define HAVE_FSEEKO 1<br>
| #define HAVE_DLFCN_H 1<br>| #define LT_OBJDIR &quot;.libs/&quot;<br>| /* end confdefs.h.  */<br>| <br>| #include &lt;openjpeg.h&gt;<br>| int<br>| main ()<br>| {<br>|   const char *ver = opj_version();<br>|   return 0;<br>
| }<br>| <br>configure:12696: error: in `/cygdrive/f/UCSF/Informatics/openslide&#39;:<br>configure:12698: error: cannot find OpenJPEG<br>See `config.log&#39; for more details<br>