[CMake] CMake, OpenBSD, and system libraries

[Chuck Atkins]

I'm trying to set up a nightly build for CMake on OpenBSD and I'm getting
some linker issues.  When I configure CMake to use it's internal versions of
curl, expat, and libz, then everything builds.  It does, however, fail the
X11 test because of a linker error:

http://www.cdash.org/CDash/testDetails.php?test=43846434&build=534940

[100%] Building C object CMakeFiles/UseX11.dir/X11.c.o
Linking C executable UseX11
/usr/X11R6/lib/libSM.so.8.0: warning: strcpy() is almost always misused,
please use strlcpy()
/usr/X11R6/lib/libICE.so.9.0: warning: strcat() is almost always misused,
please use strlcat()
/usr/X11R6/lib/libSM.so.8.0: warning: sprintf() is often misused, please use
snprintf()
/usr/bin/ld: warning: libICE.so.9.0, needed by /usr/X11R6/lib/libSM.so.8.0,
not found (try using -rpath or -rpath-link)
/usr/bin/ld: warning: libXau.so.9.0, needed by
/usr/X11R6/lib/libX11.so.11.2, not found (try using -rpath or -rpath-link)
/usr/bin/ld: warning: libXdmcp.so.9.0, needed by
/usr/X11R6/lib/libX11.so.11.2, not found (try using -rpath or -rpath-link)
/usr/bin/ld: warning: libX11.so.11.2, needed by
/usr/X11R6/lib/libXext.so.10.0, not found (try using -rpath or -rpath-link)
/usr/X11R6/lib/libX11.so.11.2: undefined reference to `XdmcpWrap'
/usr/X11R6/lib/libX11.so.11.2: undefined reference to `XauGetBestAuthByAddr'
/usr/X11R6/lib/libX11.so.11.2: undefined reference to `XauDisposeAuth'
collect2: ld returned 1 exit status
gmake[2]: *** [UseX11] Error 1
gmake[1]: *** [CMakeFiles/UseX11.dir/all] Error 2
gmake: *** [all] Error 2

But when I try to configure cmake using the system libraries for curl,
expat, and libz, then I get similar linker errors for the cmake build
itself:

http://www.cdash.org/CDash/buildSummary.php?buildid=534978

/usr/bin/ld: warning: libintl.so.4.0, needed by
/usr/local/lib/libcurl.so.13.2, not found (try using -rpath or -rpath-link)
/usr/bin/ld: warning: libiconv.so.6.0, needed by
/usr/local/lib/libcurl.so.13.2, not found (try using -rpath or -rpath-link)
/usr/bin/ld: warning: libidn.so.16.30, needed by
/usr/local/lib/libcurl.so.13.2, not found (try using -rpath or -rpath-link)
/usr/local/lib/libcurl.so.13.2: undefined reference to `tld_strerror'
/usr/local/lib/libcurl.so.13.2: undefined reference to
`stringprep_check_version'
/usr/local/lib/libcurl.so.13.2: undefined reference to `idn_free'
/usr/local/lib/libcurl.so.13.2: undefined reference to `idna_strerror'
/usr/local/lib/libcurl.so.13.2: undefined reference to
`idna_to_unicode_lzlz'
/usr/local/lib/libcurl.so.13.2: undefined reference to
`stringprep_locale_charset'
/usr/local/lib/libcurl.so.13.2: undefined reference to `idna_to_ascii_lz'
/usr/local/lib/libcurl.so.13.2: undefined reference to `tld_check_lz'
collect2: ld returned 1 exit status
gmake[2]: *** [bin/DumpDocumentation] Error 1
gmake[1]: *** [Source/CMakeFiles/DumpDocumentation.dir/all] Error 2



Chuck Atkins
R&D Engineer
Kitware, Inc.
(518) 371-3971 x603

-- "Mathematicians are tools for turning coffee grounds into formulas.",
Paul Erdos
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