Bonjour,

Lorsque je veux installer une bibliothèque c++ en Linux (ubuntu), et en tappant la commande "make all" j'obtiens le message suivant !

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/home/NUMLIB/lapack-3.4.0/liblapack.a(dtrtri.o): In function `dtrtri_':
dtrtri.f:(.text+0x166): undefined reference to `_gfortran_concat_string'
/home/NUMLIB/lapack-3.4.0/liblapack.a(ilaenv.o): In function `ilaenv_':
ilaenv.f:(.text+0x95): undefined reference to `_gfortran_compare_string'
ilaenv.f:(.text+0xc2): undefined reference to `_gfortran_compare_string'
ilaenv.f:(.text+0x290): undefined reference to `_gfortran_compare_string'
ilaenv.f:(.text+0x2bd): undefined reference to `_gfortran_compare_string'
ilaenv.f:(.text+0x2e9): undefined reference to `_gfortran_compare_string'
/home/NUMLIB/lapack-3.4.0/liblapack.a(ilaenv.o):ilaenv.f:(.text+0x311): more undefined references to `_gfortran_compare_string' follow
/home/NUMLIB/lapack-3.4.0/liblapack.a(xerbla.o): In function `xerbla_':
xerbla.f:(.text+0x47): undefined reference to `_gfortran_st_write'
xerbla.f:(.text+0x5a): undefined reference to `_gfortran_string_len_trim'
xerbla.f:(.text+0x71): undefined reference to `_gfortran_transfer_character_write'
xerbla.f:(.text+0x8c): undefined reference to `_gfortran_transfer_integer_write'
xerbla.f:(.text+0x94): undefined reference to `_gfortran_st_write_done'
xerbla.f:(.text+0xa8): undefined reference to `_gfortran_stop_string'
collect2: ld a retourné 1 code d'état d'exécution
make[1]: *** [orbit] Erreur 1
make[1]: quittant le répertoire « /home/NUMLIB/vnodelp/examples »
make: *** [all] Erreur 2
sachant que j'ai installé gfortran (via le gestionnaire de paquets)

merci,