Opps,
this OSX 10.4 specific issues slipped through my testing so far. The
bug itself is generally present on OSX, but only leads to linking
failures on OSX 10.4.
g++ -dynamiclib ${wl}-undefined ${wl}dynamic_lookup -o .libs/
liblinboxsage.0.0.0.dylib .libs/linbox-sage.o -L/Users/Roed/Math/
sage-3.4.1.rc2/local/lib -lntl /Users/Roed/Math/sage-3.4.1.rc2/local/
lib/libgmpxx.dylib /Users/Roed/Math/sage-3.4.1.rc2/local/lib/
libmpir.dylib /Users/Roed/Math/sage-3.4.1.rc2/local/lib/libgmp.dylib /
Users/Roed/Math/sage-3.4.1.rc2/local/lib/libgivaro.dylib -L/Users/Roed/
Math/sage-3.4.1.rc2/local//lib -install_name /Users/Roed/Math/
sage-3.4.1.rc2/local/lib/liblinboxsage.0.dylib -compatibility_version
1 -current_version 1.0 -Wl,-single_module
ld: multiple definitions of symbol ___gmpz_clear
/Users/Roed/Math/sage-3.4.1.rc2/local/lib/libmpir.dylib(clear.o)
definition of ___gmpz_clear
/Users/Roed/Math/sage-3.4.1.rc2/local/lib/libgmp.dylib(clear.o)
definition of ___gmpz_clear
<SNIP various other symbols>
ld: multiple definitions of symbol ___gmpz_sizeinbase
/Users/Roed/Math/sage-3.4.1.rc2/local/lib/libmpir.dylib(sizeinbase.o)
definition of ___gmpz_sizeinbase
/Users/Roed/Math/sage-3.4.1.rc2/local/lib/libgmp.dylib(sizeinbase.o)
definition of ___gmpz_sizeinbase
/usr/libexec/gcc/i686-apple-darwin8/4.0.1/libtool: internal link edit
command failed
make[4]: *** [liblinboxsage.la] Error 1
make[3]: *** [install-recursive] Error 1
make[2]: *** [install-recursive] Error 1
Error installing linbox
The problem lies in libgmpxx.la:
# Libraries that this one depends upon.
dependency_libs=' /tmp/mpr-1.0/lib/libmpir.la'
Because there is libmpir.la instead of libgmp.la linbox links with
-lgmpxx -mpir -lgmp
and things blow up as above. The manual workaround to make libgmpxx.la
depend on libgmp.la fixes the build.
Cheers,
Michael
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