Bonjour,
je voulais installer octave 2.9 en utilisant la sourcemais j'arrive pas car au quand je tape ./configure j'ai le probleme suivant;

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defining imagedir to be $(datadir)/octave/$(version)/imagelib
configure: defining __NO_MATH_INLINES avoids buggy GNU libc exp function
checking for g++... no
checking for c++... no
checking for gpp... no
checking for aCC... no
checking for CC... no
checking for cxx... no
checking for cc++... no
checking for cl.exe... no
checking for FCC... no
checking for KCC... no
checking for RCC... no
checking for xlC_r... no
checking for xlC... no
checking whether we are using the GNU C++ compiler... no
checking whether g++ accepts -g... no
checking how to run the C++ preprocessor... /lib/cpp
configure: error: C++ preprocessor "/lib/cpp" fails sanity check
See `config.log' for more details.