Your message dated Wed, 05 Aug 2015 03:50:54 +0200
with message-id <[email protected]>
and subject line dragonegg was removed from Debian
has caused the Debian Bug report #696519,
regarding llvm-gcc-4.6: undefined reference to signbit when using boost's sign
function
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
696519: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=696519
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: llvm-gcc-4.6
Version: 3.2-1~exp1
Severity: normal
When attempting to compile a file that utilizes boost's sign function, such as
goodrich@CYBERPOWERPC:/tmp$ cat sign.cpp
#include <boost/math/special_functions/sign.hpp>
#include <iostream>
int main() {
std::cout << "expect 1, get " << boost::math::sign(10.0) << std::endl;
std::cout << "expect 0, get " << boost::math::sign(0.0) << std::endl;
std::cout << "expect -1, get " << boost::math::sign(-5.0) << std::endl;
return 0;
}
llvm-g++ fails to compile it with the error "undefined reference to signbit"
goodrich@CYBERPOWERPC:/tmp$ llvm-g++ -v sign.cpp
Using built-in specs.
COLLECT_GCC=g++-4.6
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.6/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian
4.6.3-14' --with-bugurl=file:///usr/share/doc/gcc-4.6/README.Bugs
--enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-4.6 --enable-shared --enable-linker-build-id
--with-system-zlib --libexecdir=/usr/lib --without-included-gettext
--enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.6
--libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu
--enable-libstdcxx-debug --enable-libstdcxx-time=yes
--enable-gnu-unique-object --enable-plugin --enable-objc-gc
--with-arch-32=i586 --with-tune=generic --enable-checking=release
--build=x86_64-linux-gnu --host=x86_64-linux-gnu
--target=x86_64-linux-gnu
Thread model: posix
gcc version 4.6.3 (Debian 4.6.3-14)
COLLECT_GCC_OPTIONS='-fplugin=/usr/lib/gcc/x86_64-linux-gnu/4.6/plugin/dragonegg.so' '-v' '-shared-libgcc' '-mtune=generic'
'-march=x86-64'
/usr/lib/gcc/x86_64-linux-gnu/4.6/cc1plus -quiet -v -imultilib .
-imultiarch x86_64-linux-gnu
-iplugindir=/usr/lib/gcc/x86_64-linux-gnu/4.6/plugin -D_GNU_SOURCE
sign.cpp -iplugindir=/usr/lib/gcc/x86_64-linux-gnu/4.6/plugin -quiet
-dumpbase sign.cpp -mtune=generic -march=x86-64 -auxbase sign -version
-fplugin=/usr/lib/gcc/x86_64-linux-gnu/4.6/plugin/dragonegg.so -o
/tmp/ccjP1Fvf.s
GNU C++ (Debian 4.6.3-14) version 4.6.3 (x86_64-linux-gnu)
compiled by GNU C version 4.6.3, GMP version 5.0.5, MPFR
version 3.1.0-p10, MPC version 0.9
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Versions of loaded plugins:
dragonegg: 3.2
ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu"
ignoring nonexistent directory
"/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../x86_64-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
/usr/include/c++/4.6
/usr/include/c++/4.6/x86_64-linux-gnu/.
/usr/include/c++/4.6/backward
/usr/lib/gcc/x86_64-linux-gnu/4.6/include
/usr/local/include
/usr/lib/gcc/x86_64-linux-gnu/4.6/include-fixed
/usr/include/x86_64-linux-gnu
/usr/include
End of search list.
GNU C++ (Debian 4.6.3-14) version 4.6.3 (x86_64-linux-gnu)
compiled by GNU C version 4.6.3, GMP version 5.0.5, MPFR
version 3.1.0-p10, MPC version 0.9
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Versions of loaded plugins:
dragonegg: 3.2
Compiler executable checksum: ab35f31c589c345bfc3f13f058b31f15
COLLECT_GCC_OPTIONS='-fplugin=/usr/lib/gcc/x86_64-linux-gnu/4.6/plugin/dragonegg.so' '-v' '-shared-libgcc' '-mtune=generic'
'-march=x86-64'
as --64 -o /tmp/ccYQzrnW.o /tmp/ccjP1Fvf.s
COMPILER_PATH=/usr/lib/gcc/x86_64-linux-gnu/4.6/:/usr/lib/gcc/x86_64-linux-gnu/4.6/:/usr/lib/gcc/x86_64-linux-gnu/:/usr/lib/gcc/x86_64-linux-gnu/4.6/:/usr/lib/gcc/x86_64-linux-gnu/
LIBRARY_PATH=/usr/lib/gcc/x86_64-linux-gnu/4.6/:/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../x86_64-linux-gnu/:/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../lib/:/lib/x86_64-linux-gnu/:/lib/../lib/:/usr/lib/x86_64-linux-gnu/:/usr/lib/../lib/:/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-fplugin=/usr/lib/gcc/x86_64-linux-gnu/4.6/plugin/dragonegg.so' '-v' '-shared-libgcc' '-mtune=generic'
'-march=x86-64'
/usr/lib/gcc/x86_64-linux-gnu/4.6/collect2 --sysroot=/ --build-id
--no-add-needed --eh-frame-hdr -m elf_x86_64 --hash-style=both
-dynamic-linker /lib64/ld-linux-x86-64.so.2
/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../x86_64-linux-gnu/crt1.o
/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../x86_64-linux-gnu/crti.o
/usr/lib/gcc/x86_64-linux-gnu/4.6/crtbegin.o
-L/usr/lib/gcc/x86_64-linux-gnu/4.6
-L/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../x86_64-linux-gnu
-L/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../lib
-L/lib/x86_64-linux-gnu -L/lib/../lib -L/usr/lib/x86_64-linux-gnu
-L/usr/lib/../lib -L/usr/lib/gcc/x86_64-linux-gnu/4.6/../../..
/tmp/ccYQzrnW.o -lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc
/usr/lib/gcc/x86_64-linux-gnu/4.6/crtend.o
/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../x86_64-linux-gnu/crtn.o
/tmp/ccYQzrnW.o: In function
`__gnu_cxx::__enable_if<std::__is_arithmetic<double>::__value,
int>::__type std::signbit<double>(double)':
sign.cpp:(.text._ZSt7signbitIdEN9__gnu_cxx11__enable_ifIXsrSt15__is_arithmeticIT_E7__valueEiE6__typeES3_[__gnu_cxx::__enable_if<std::__is_arithmetic<double>::__value, int>::__type std::signbit<double>(double)]+0x1d): undefined reference to
`signbit'
collect2: ld returned 1 exit status
However, clang++ (and every version of g++ I have tried) can compile it
goodrich@CYBERPOWERPC:/tmp$ clang++ -v -stdlib=libc++ sign.cpp
Debian clang version 3.2-9 (tags/RELEASE_32/rc3) (based on LLVM 3.2)
Target: x86_64-pc-linux-gnu
Thread model: posix
"/usr/bin/clang" -cc1 -triple x86_64-pc-linux-gnu -emit-obj
-mrelax-all -disable-free -disable-llvm-verifier -main-file-name
sign.cpp -mrelocation-model static -mdisable-fp-elim -fmath-errno
-masm-verbose -mconstructor-aliases -munwind-tables -fuse-init-array
-target-cpu x86-64 -target-linker-version 2.22
-momit-leaf-frame-pointer -v -resource-dir /usr/bin/../lib/clang/3.2
-fmodule-cache-path /var/tmp/clang-module-cache -internal-isystem
/usr/include/c++/v1 -internal-isystem /usr/local/include
-internal-isystem /usr/bin/../lib/clang/3.2/include -internal-isystem
/usr/include/clang/3.2/include/ -internal-externc-isystem
-internal-externc-isystem /usr/include/x86_64-linux-gnu
-internal-externc-isystem /usr/include/x86_64-linux-gnu
-internal-externc-isystem /usr/include -fdeprecated-macro
-fdebug-compilation-dir /tmp -ferror-limit 19 -fmessage-length 191
-mstackrealign -fobjc-runtime=gcc -fcxx-exceptions -fexceptions
-fdiagnostics-show-option -fcolor-diagnostics -o /tmp/sign-WpNpcj.o -x
c++ sign.cpp
clang -cc1 version 3.2 based upon LLVM 3.2svn default target
x86_64-pc-linux-gnu
ignoring nonexistent directory "/usr/bin/../lib/clang/3.2/include"
ignoring nonexistent directory ""
ignoring duplicate directory "/usr/include/x86_64-linux-gnu"
#include "..." search starts here:
#include <...> search starts here:
/usr/include/c++/v1
/usr/local/include
/usr/include/clang/3.2/include
/usr/include/x86_64-linux-gnu
/usr/include
End of search list.
"/usr/bin/ld" --hash-style=both --build-id --eh-frame-hdr -m
elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o a.out
/usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../x86_64-linux-gnu/crt1.o
/usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../x86_64-linux-gnu/crti.o
/usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/crtbegin.o
-L/usr/bin/../lib/gcc/x86_64-linux-gnu/4.8
-L/usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../x86_64-linux-gnu
-L/usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../lib64
-L/lib/x86_64-linux-gnu -L/lib/../lib64 -L/usr/lib/x86_64-linux-gnu
-L/usr/lib/../lib64 -L/usr/lib/x86_64-linux-gnu/../../lib64
-L/usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../.. -L/lib -L/usr/lib
/tmp/sign-WpNpcj.o -lc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc
/usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/crtend.o
/usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../x86_64-linux-gnu/crtn.o
and then it executes successfully
goodrich@CYBERPOWERPC:/tmp$ ./a.out
expect 1, get 1
expect 0, get 0
expect -1, get -1
Thank you.
-- System Information:
Debian Release: 7.0
APT prefers unstable
APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 3.6-9.slh.1-aptosid-amd64 (SMP w/8 CPU cores; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages llvm-gcc-4.6 depends on:
ii dragonegg-4.6 3.2~rc3-1~exp1
ii g++-4.6 4.6.3-14
ii gcc-4.6 4.6.3-14
llvm-gcc-4.6 recommends no packages.
llvm-gcc-4.6 suggests no packages.
-- no debconf information
--- End Message ---
--- Begin Message ---
dragonegg was removed from unstable (see https://bugs.debian.org/794473
for details), but closing the bugs was forgotten.
Andreas
--- End Message ---
