[gmx-users] Gromacs 2018.3 install warning

[Du, Yu]

Dear gmx-users,




I was installing gromacs-2018.3 with gcc8.1, `make -j 24` gave the following warning:


`make check` with regression test set 100% passed. Hope next version will fix these warnings.


##################################Warnings##################################################
[ 33%] Building CXX object src/gromacs/CMakeFiles/libgromacs.dir/gmxpreprocess/pdb2top.cpp.o
/share/home/para008/software_new/src/gromacs-2018.3/src/gromacs/gmxana/gmx_tune_pme.cpp: In function ‘void make_benchmark_tprs(const char*, char**, gmx_int64_t, gmx_int64_t, real, real, real, int*, t_inputinfo*, FILE*)’:
/share/home/para008/software_new/src/gromacs-2018.3/src/gromacs/gmxana/gmx_tune_pme.cpp:1080:21: warning: ‘char* strncpy(char*, const char*, size_t)’ specified bound depends on the length of the source argument [-Wstringop-overflow=]
         std::strncpy(fn_bench_tprs[j], fn_sim_tpr, std::strlen(fn_sim_tpr)-std::strlen(".tpr"));
         ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/share/home/para008/software_new/src/gromacs-2018.3/src/gromacs/gmxana/gmx_tune_pme.cpp:1080:63: note: length computed here
         std::strncpy(fn_bench_tprs[j], fn_sim_tpr, std::strlen(fn_sim_tpr)-std::strlen(".tpr"));
                                                    ~~~~~~~~~~~^~~~~~~~~~~~
[ 33%] Building CXX object src/gromacs/CMakeFiles/libgromacs.dir/gmxpreprocess/pgutil.cpp.o


[ 35%] Building CXX object src/gromacs/CMakeFiles/libgromacs.dir/analysisdata/datamodule.cpp.o
In function ‘void calc_cumulatives(t_UmbrellaWindow*, int, t_UmbrellaOptions*, const char*, const char*)’,
    inlined from ‘void do_bootstrapping(const char*, const char*, const char*, const char*, char*, double*, t_UmbrellaWindow*, int, t_UmbrellaOptions*)’ at /share/home/para008/software_new/src/gromacs-2018.3/src/gromacs/gmxana/gmx_wham.cpp:1689:29:
/share/home/para008/software_new/src/gromacs-2018.3/src/gromacs/gmxana/gmx_wham.cpp:1274:16: warning: ‘char* strncpy(char*, const char*, size_t)’ specified bound depends on the length of the source argument [-Wstringop-overflow=]
         sprintf(fn, "%s_cumul.xvg", std::strncpy(buf, fnhist, std::strlen(fnhist)-4));
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/share/home/para008/software_new/src/gromacs-2018.3/src/gromacs/gmxana/gmx_wham.cpp: In function ‘void do_bootstrapping(const char*, const char*, const char*, const char*, char*, double*, t_UmbrellaWindow*, int, t_UmbrellaOptions*)’:
/share/home/para008/software_new/src/gromacs-2018.3/src/gromacs/gmxana/gmx_wham.cpp:1274:74: note: length computed here
         sprintf(fn, "%s_cumul.xvg", std::strncpy(buf, fnhist, std::strlen(fnhist)-4));
                                                               ~~~~~~~~~~~^~~~~~~~
In function ‘void print_histograms(const char*, t_UmbrellaWindow*, int, int, t_UmbrellaOptions*, const char*)’,
    inlined from ‘void do_bootstrapping(const char*, const char*, const char*, const char*, char*, double*, t_UmbrellaWindow*, int, t_UmbrellaOptions*)’ at /share/home/para008/software_new/src/gromacs-2018.3/src/gromacs/gmxana/gmx_wham.cpp:1735:29:
/share/home/para008/software_new/src/gromacs-2018.3/src/gromacs/gmxana/gmx_wham.cpp:1516:16: warning: ‘char* strncpy(char*, const char*, size_t)’ specified bound depends on the length of the source argument [-Wstringop-overflow=]
         sprintf(fn, "%s_bs%d.xvg", std::strncpy(buf, fnhist, std::strlen(fnhist)-4), bs_index);
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/share/home/para008/software_new/src/gromacs-2018.3/src/gromacs/gmxana/gmx_wham.cpp: In function ‘void do_bootstrapping(const char*, const char*, const char*, const char*, char*, double*, t_UmbrellaWindow*, int, t_UmbrellaOptions*)’:
/share/home/para008/software_new/src/gromacs-2018.3/src/gromacs/gmxana/gmx_wham.cpp:1516:73: note: length computed here
         sprintf(fn, "%s_bs%d.xvg", std::strncpy(buf, fnhist, std::strlen(fnhist)-4), bs_index);
                                                              ~~~~~~~~~~~^~~~~~~~
[ 35%] Building CXX object src/gromacs/CMakeFiles/libgromacs.dir/analysisdata/datamodulemanager.cpp.o
##################################Warnings##################################################



--
Du, Yu
PhD Student,
Shanghai Institute of Organic Chemistry
345 Ling Ling Rd., Shanghai, China. 
Zip: 200032, Tel: (86) 021 5492 5275