I can’t get a simple Lapack program to link:
pgf77 -llapack -lblas -lpgftnrtl solve.f
solve.f:
solve.o(.text+0x160): In functionMAIN_': : undefined reference to
dgesv_’
pgf77 -llapack -lblas -lpgftnrtl solve.f -#
solve.f:
/opt/pgi/linux86-64/7.0-4/bin/pgftn solve.f -opt 1 -x 119 0xa10000 -x 122 0x40 -x 123 0x1000 -x 127 4 -x 127 16 -x 19 0x400000 -x 28 0x40000 -x 70 0x8000 -x 122 1 -quad -x 59 4 -x 59 4 -tp k8-64e -x 51 0x20 -x 124 0x1401 -astype 0 -stdinc /opt/pgi/linux86-64/7.0-4/include:/usr/local/include:/usr/lib/gcc/x86_64-redhat-linux/3.4.6/include:/usr/lib/gcc/x86_64-redhat-linux/3.4.6/include:/usr/include -def unix -def __unix -def unix -def linux -def __linux -def linux -def __NO_MATH_INLINES -def x86_64 -def LONG_MAX=9223372036854775807L -def ‘SIZE_TYPE=unsigned long int’ -def ‘PTRDIFF_TYPE=long int’ -def __THROW= -def extension= -def amd64 -def SSE -def MMX -def SSE2 -def SSE3 -cmdline ‘+pgf77 solve.f -llapack -lblas -lpgftnrtl -#’ -x 124 1 -asm /tmp/pgf77KF4gSYdrRQdE.s
0 inform, 0 warnings, 0 severes, 0 fatal for solvelin
PGFTN/x86-64 Linux 7.0-4: compilation successful
/usr/bin/as /tmp/pgf77KF4gSYdrRQdE.s -o solve.o
/usr/bin/ld /usr/lib64/crt1.o /usr/lib64/crti.o /opt/pgi/linux86-64/7.0-4/lib/trace_init.o /usr/lib/gcc/x86_64-redhat-linux/3.4.6/crtbegin.o /opt/pgi/linux86-64/7.0-4/lib/pgfmain.o -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 /opt/pgi/linux86-64/7.0-4/lib/pgi.ld -L/opt/pgi/linux86-64/7.0-4/lib -L/usr/lib64 -L/usr/lib/gcc/x86_64-redhat-linux/3.4.6 -rpath /opt/pgi/linux86-64/7.0-4/lib -llapack -lblas -lpgftnrtl solve.o -lpgftnrtl -lnspgc -lpgc -lrt -lpthread -lm -lgcc -lc -lgcc /usr/lib/gcc/x86_64-redhat-linux/3.4.6/crtend.o /usr/lib64/crtn.o
solve.o(.text+0x160): In function MAIN_': : undefined reference to
dgesv_’
pgf77-Fatal-linker completed with exit code 1
Unlinking /tmp/pgf77KF4gSYdrRQdE.s
ar -t /opt/pgi/linux86-64/7.0-4/lib/liblapack.a dgesv.o
dgesv.o
What am I missing here?