#13336: farey_symbol.pyx fails to build on Cygwin
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Reporter: jpflori | Owner: tbd
Type: defect | Status: new
Priority: major | Milestone: sage-5.3
Component: cygwin | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
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Comment (by dimpase):
with these flags on, I still get
{{{
g++ -shared -Wl,--enable-auto-image-base
-L/home/Dima/sage-5.2.rc1/local/lib
build/temp.cygwin-1.7.16-i686-2.7/sage/modular/arithgroup/farey_symbol.o
build/temp.cygwin-1.7.16-i686-2.7/sage/modular/arithgroup/farey.o
build/temp.cygwin-1.7.16-i686-2.7/sage/modular/arithgroup/sl2z.o
-L/home/Dima/sage-5.2.rc1/local/lib
-L/home/Dima/sage-5.2.rc1/local/lib/python2.7/config -lcsage -lgmp -lgmpxx
-lstdc++ -lntl -lpython2.7 -o
build/lib.cygwin-1.7.16-i686-2.7/sage/modular/arithgroup/farey_symbol.dll
-Wl,--enable-auto-import
build/temp.cygwin-1.7.16-i686-2.7/sage/modular/arithgroup/farey.o: In
function `_ZNK18is_element_general9is_memberERK4SL2Z':
/home/Dima/sage-5.2.rc1/devel/sage/sage/modular/arithgroup/farey.cpp:183:
undefined reference to `__imp__convert_to_SL2Z'
[... etc ...]
/home/Dima/sage-5.2.rc1/devel/sage/sage/modular/arithgroup/farey.cpp:655:
undefined reference to `__imp__convert_to_cusp'
build/temp.cygwin-1.7.16-i686-2.7/sage/modular/arithgroup/farey.o: In
function `_ZNK11FareySymbol13get_fractionsEv':
/home/Dima/sage-5.2.rc1/devel/sage/sage/modular/arithgroup/farey.cpp:664:
undefined reference to `__imp__convert_to_rational'
build/temp.cygwin-1.7.16-i686-2.7/sage/modular/arithgroup/farey.o: In
function `_ZNK11FareySymbol20get_pairing_matricesEv':
/home/Dima/sage-5.2.rc1/devel/sage/sage/modular/arithgroup/farey.cpp:705:
undefined reference to `__imp__convert_to_SL2Z'
build/temp.cygwin-1.7.16-i686-2.7/sage/modular/arithgroup/farey.o: In
function `is_element_GammaH':
/home/Dima/sage-5.2.rc1/devel/sage/sage/modular/arithgroup/farey.cpp:132:
undefined reference to `__imp__convert_to_long'
collect2: ld returned 1 exit status
}}}
So it looks like that the linker cannot find objects which are part of the
Farey module (i.e. from sl2z.o, etc)?!
Looks like some g++/dll linking weirdness to me.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13336#comment:1>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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