checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for a thread-safe mkdir -p... /usr/bin/mkdir -p checking for gawk... no checking for mawk... mawk checking whether make sets $(MAKE)... yes checking whether make supports nested variables... yes checking for gcc... gcc checking whether the C compiler works... yes checking for C compiler default output file name... a.out checking for suffix of executables... checking whether we are cross compiling... no checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking whether gcc understands -c and -o together... yes checking whether make supports the include directive... yes (GNU style) checking dependency style of gcc... gcc3 checking for g++... g++ checking whether we are using the GNU C++ compiler... yes checking whether g++ accepts -g... yes checking dependency style of g++... gcc3 checking how to run the C++ preprocessor... g++ -E checking for flex... flex checking lex output file root... lex.yy checking lex library... none needed checking whether yytext is a pointer... no checking for bison... bison -y checking how to run the C preprocessor... gcc -E checking for grep that handles long lines and -e... /usr/bin/grep checking for egrep... /usr/bin/grep -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking sys/times.h usability... yes checking sys/times.h presence... yes checking for sys/times.h... yes checking build system type... aarch64-unknown-linux-gnu checking host system type... aarch64-unknown-linux-gnu checking how to print strings... printf checking for a sed that does not truncate output... /usr/bin/sed checking for fgrep... /usr/bin/grep -F checking for ld used by gcc... /usr/bin/ld checking if the linker (/usr/bin/ld) is GNU ld... yes checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B checking the name lister (/usr/bin/nm -B) interface... BSD nm checking whether ln -s works... yes checking the maximum length of command line arguments... 1572864 checking how to convert aarch64-unknown-linux-gnu file names to aarch64-unknown-linux-gnu format... func_convert_file_noop checking how to convert aarch64-unknown-linux-gnu file names to toolchain format... func_convert_file_noop checking for /usr/bin/ld option to reload object files... -r checking for objdump... objdump checking how to recognize dependent libraries... pass_all checking for dlltool... no checking how to associate runtime and link libraries... printf %s\n checking for ar... ar checking for archiver @FILE support... @ checking for strip... strip checking for ranlib... ranlib checking command to parse /usr/bin/nm -B output from gcc object... ok checking for sysroot... no checking for a working dd... /usr/bin/dd checking how to truncate binary pipes... /usr/bin/dd bs=4096 count=1 checking for mt... no checking if : is a manifest tool... no checking for dlfcn.h... yes checking for objdir... .libs checking if gcc supports -fno-rtti -fno-exceptions... no checking for gcc option to produce PIC... -fPIC -DPIC checking if gcc PIC flag -fPIC -DPIC works... yes checking if gcc static flag -static works... yes checking if gcc supports -c -o file.o... yes checking if gcc supports -c -o file.o... (cached) yes checking whether the gcc linker (/usr/bin/ld) supports shared libraries... yes checking whether -lc should be explicitly linked in... no checking dynamic linker characteristics... GNU/Linux ld.so checking how to hardcode library paths into programs... immediate checking for shl_load... no checking for shl_load in -ldld... no checking for dlopen... no checking for dlopen in -ldl... yes checking whether a program can dlopen itself... yes checking whether a statically linked program can dlopen itself... no checking whether stripping libraries is possible... yes checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... yes checking how to run the C++ preprocessor... g++ -E checking for ld used by g++... /usr/bin/ld checking if the linker (/usr/bin/ld) is GNU ld... yes checking whether the g++ linker (/usr/bin/ld) supports shared libraries... yes checking for g++ option to produce PIC... -fPIC -DPIC checking if g++ PIC flag -fPIC -DPIC works... yes checking if g++ static flag -static works... yes checking if g++ supports -c -o file.o... yes checking if g++ supports -c -o file.o... (cached) yes checking whether the g++ linker (/usr/bin/ld) supports shared libraries... yes checking dynamic linker characteristics... (cached) GNU/Linux ld.so checking how to hardcode library paths into programs... immediate checking for ANSI C header files... (cached) yes checking stdarg.h usability... yes checking stdarg.h presence... yes checking for stdarg.h... yes checking for stdlib.h... (cached) yes checking for string.h... (cached) yes checking time.h usability... yes checking time.h presence... yes checking for time.h... yes checking for unistd.h... (cached) yes checking for stdint.h... (cached) yes checking sys/int_types.h usability... no checking sys/int_types.h presence... no checking for sys/int_types.h... no checking for expm1... yes checking for rint... yes checking for rintf... yes checking for finite... yes checking for log2... yes checking for snprintf... yes checking for log1p... yes checking for round... yes checking for fabsl... yes checking for fmin... yes checking for strcasecmp... yes checking for isnan... yes checking for strdup... yes checking for _strdup... no checking for ftruncate... yes checking for stpcpy... yes checking whether isfinite is declared... yes checking whether stpcpy is declared... yes checking whether '\n' printed to stdout is converted to '\r\n'... no checking whether compiler supports -ffloat-store... yes checking whether compiler supports -fstore... no checking whether compiler accepts -Wall... yes checking for xml2-config... /usr/bin/xml2-config ./configure: line 13055: sw_vers: command not found checking for xmlSAXUserParseFile in -lxml2... yes checking libxml/parser.h usability... yes checking libxml/parser.h presence... yes checking for libxml/parser.h... yes checking for __gmpz_add in -lgmp... yes checking gmp.h usability... yes checking gmp.h presence... yes checking for gmp.h... yes checking for thread local storage (TLS) class... (cached) __thread checking for f77_alloc_ in -lf2c... no checking for f77_alloc in -lf2c... no checking for F77_ALLOC_ in -lf2c... no checking for F77_ALLOC in -lf2c... no not found checking for daxpy_ in -lblas... yes checking for dlarnv_ in -llapack... yes checking for glp_read_mps in -lglpk... yes checking glpk.h usability... yes checking glpk.h presence... yes checking for glpk.h... yes checking that generated files are newer than configure... done configure: creating ./config.status checking whether to generate header file include/igraph_version.h... unchanged checking whether to generate header file include/igraph_threading.h... updated