[tor-bugs] #18706 [Tor]: tor-0.2.8.2-alpha, undefined symbolo "signbit" when compiling for Solaris10

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#18706: tor-0.2.8.2-alpha, undefined symbolo "signbit"  when compiling for
Solaris10
-------------------------------------------------+-------------------------
 Reporter:  RainerSchmidt                        |          Owner:
     Type:  defect                               |         Status:  new
 Priority:  Medium                               |      Milestone:
Component:  Tor                                  |        Version:  Tor:
 Severity:  Normal                               |  0.2.8.2-alpha
 Keywords:  undefined symbolo signbit            |     Resolution:
  regression                                     |  Actual Points:
Parent ID:                                       |         Points:  small
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------
Changes (by nickm):

 * keywords:  undefined symbolo signbit => undefined symbolo signbit
     regression
 * points:   => small
 * component:  - Select a component => Tor


Comment:

 Hmmm.  The only place we're assuming a global signbit is
 clamp_double_to_int64() in util.c, which is new in 0.2.8.1-alpha.

 Can you tell whether Solaris10 has a signbit() function and we are somehow
 not linking against the library that has it, or whether Solaris10 is
 missing signbit and we'll have to define our own?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18706#comment:1>
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