[tor-bugs] #7235 [Tor]: tor-0.2.4.{2, 3, 4}: fails with undefined reference to libm functions in libor.a when --disable-upnp

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#7235: tor-0.2.4.{2,3,4}: fails with undefined reference to libm functions in
libor.a when --disable-upnp
----------------------+-----------------------------------------------------
 Reporter:  blueness  |          Owner:                    
     Type:  defect    |         Status:  new               
 Priority:  normal    |      Milestone:  Tor: 0.2.4.x-final
Component:  Tor       |        Version:  Tor: 0.2.4.5-alpha
 Keywords:            |         Parent:                    
   Points:            |   Actualpoints:                    
----------------------+-----------------------------------------------------
 When ./configure --disable-upnp on a Gentoo system, the build fails with.
 This is easily fixed by linking tor-fw-helper to libm.  I'll attach the
 patch to src/tools/tor-fw-helper/include.am in my next post.

   CCLD   src/tools/tor-resolve
   CCLD   src/tools/tor-fw-helper/tor-fw-helper
 src/common/libor.a(util.o): In function `tor_lround':
 util.c:(.text+0xf27): undefined reference to `ceil'
 src/common/libor.a(util.o): In function `tor_llround':
 util.c:(.text+0xf87): undefined reference to `ceil'
 src/common/libor.a(util.o): In function `tor_mathlog':
 util.c:(.text+0xee9): undefined reference to `log'
 collect2: ld returned 1 exit status
 make[1]: *** [src/tools/tor-fw-helper/tor-fw-helper] Error 1
 make[1]: *** Waiting for unfinished jobs....
 make[1]: Leaving directory `/var/tmp/portage/net-
 misc/tor-0.2.4.5_alpha/work/tor-0.2.4.5-alpha'
 make: *** [all] Error 2

 The downstream bug is at

 https://bugs.gentoo.org/show_bug.cgi?id=435040

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/7235>
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