#7336: boehm_gc fails to build on Cygwin
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Reporter: mhansen | Owner: tbd
Type: defect | Status: new
Priority: major | Milestone:
Component: cygwin | Keywords:
Work_issues: | Author:
Reviewer: | Merged:
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It fails with
{{{
/bin/sh ./libtool --tag=CC --mode=link gcc -fexceptions -I
libatomic_ops/src -g -O2 -o libcord.la -rpath
/home/mhansen/sage-4.2/local/lib -version-info 1:3:0 -no-undefined
cord/cordbscs.lo cord/cordprnt.lo cord/cordtest.lo cord/cordxtra.lo
./libgc.la
*** Warning: This system can not link to static lib archive ./libgc.la.
*** I have the capability to make that library automatically link in
when
*** you link to this library. But I can only do this if you have a
*** shared version of the library, which you do not appear to have.
rm -fr .libs/libcord.dll.a
gcc -shared cord/.libs/cordbscs.o cord/.libs/cordprnt.o
cord/.libs/cordtest.o cord/.libs/cordxtra.o -o .libs/cygcord-1.dll -Wl
,--enable-auto-image-base -Xlinker --out-implib -Xlinker
.libs/libcord.dll.a
Creating library file: .libs/libcord.dll.a
cord/.libs/cordbscs.o: In function `CORD_from_fn':
/home/mhansen/sage-4.2/spkg/build/boehm_gc-7.1.p2/src/cord/cordbscs.c:288:
undefined reference to `_GC_malloc_atomic'
/home/mhansen/sage-4.2/spkg/build/boehm_gc-7.1.p2/src/cord/cordbscs.c:298:
undefined reference to `_GC_malloc'
cord/.libs/cordbscs.o: In function `CORD_substr_closure':
/home/mhansen/sage-4.2/spkg/build/boehm_gc-7.1.p2/src/cord/cordbscs.c:344:
undefined reference to `_GC_malloc'
}}}
This can be fixed by setting THREADDLLIBS to be empty.
I'll post an updated spkg here shortly.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7336>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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