[LLVMbugs] [Bug 5845] New: compiler-rt build fails at powidf2_test

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=5845

           Summary: compiler-rt build fails at powidf2_test
           Product: new-bugs
           Version: trunk
          Platform: All
        OS/Version: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: rene at freebsd.org
                CC: llvmbugs at cs.uiuc.edu


FreeBSD 8 (both on i386 and amd64), while building compiler-rt r91825 (last
changed r86542) according to the instructions on http://compiler-rt.llvm.org/ :

[ 89%] Building C object test/CMakeFiles/powidf2_test.dir/Unit/powidf2_test.c.o
Linking C executable powidf2_test
CMakeFiles/powidf2_test.dir/Unit/powidf2_test.c.o(.text+0x47): In function
`test__powidf2':
: undefined reference to `__signbit'
CMakeFiles/powidf2_test.dir/Unit/powidf2_test.c.o(.text+0x53): In function
`test__powidf2':
: undefined reference to `__signbit'
gmake[2]: *** [test/powidf2_test] Error 1
gmake[1]: *** [test/CMakeFiles/powidf2_test.dir/all] Error 2
gmake: *** [all] Error 2

cmake 2.8.0, gmake 3.81, gcc 4.2.1 20070719 [FreeBSD]


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