Hi,
I have exactly the same problem with R 2.4.1 on an Intel MacBook with
Mac OS X 10.4.8.
Please find below the output of the test.
Christophe
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> source("/Users/Christophe/Desktop/Rdynunload/run.R")
WARNING: ignoring environment value of R_HOME
gcc-4.0 -arch i386 -I/Library/Frameworks/R.framework/Resources/
include -I/Library/Frameworks/R.framework/Resources/include/i386 -
msse3 -D__NO_MATH_INLINES -fPIC -g -O2 -std=gnu99 -march=nocona -c
code.c -o code.o
gcc-4.0 -arch i386 -dynamiclib -Wl,-macosx_version_min -Wl,10.3 -
undefined dynamic_lookup -single_module -multiply_defined suppress -L/
usr/local/lib -o foo.so code.o -L/Library/Frameworks/R.framework/
Resources/lib/i386 -lR -dylib_file libRblas.dylib:/Library/Frameworks/
R.framework/Resources/lib/i386/libRblas.dylib
[1] "Failed"
loaded DLL/SO
WARNING: ignoring environment value of R_HOME
gcc-4.0 -arch i386 -I/Library/Frameworks/R.framework/Resources/
include -I/Library/Frameworks/R.framework/Resources/include/i386 -
msse3 -D__NO_MATH_INLINES -fPIC -g -O2 -std=gnu99 -march=nocona -c
other.c -o other.o
gcc-4.0 -arch i386 -dynamiclib -Wl,-macosx_version_min -Wl,10.3 -
undefined dynamic_lookup -single_module -multiply_defined suppress -L/
usr/local/lib -o foo.so other.o -L/Library/Frameworks/R.framework/
Resources/lib/i386 -lR -dylib_file libRblas.dylib:/Library/Frameworks/
R.framework/Resources/lib/i386/libRblas.dylib
first attempt
loaded DLL/SO
first attempt
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