[petsc-users] How to link SuperLU_MT library in GCC_default.mk file?

[Salman Ahmad]

Dear All,

I compiled the library "SuperLU_MT" and got the "libsuperlu_mt_PTHREAD.a"
and  "libsuperlu_mt_PTHREAD.a"  to  /usr/lib to /usr/lib. I am using the
following file to link but not working:

CC = gcc
CXX     = g++
F77 = gfortran
LINKER  = ${CXX}

WARNINGS = -Wall -pedantic -Wextra -Weffc++ -Woverloaded-virtual
-Wfloat-equal -Wshadow \
           -Wredundant-decls -Winline -fmax-errors=1

CXXFLAGS += -ffast-math -O3 -march=native -std=c++17 ${WARNINGS}

LINKFLAGS   += -O2

#architecture
#CPU = -march=znver2
CXXFLAGS  += ${CPU}
LINKFLAGS += ${CPU}


ifeq ($(UBUNTU),1)
LINKFLAGS += -llapack -lblas
CXXFLAGS  += -DUBUNTU
else
# on  archlinux
LINKFLAGS += -llapack -lopenblas -lcblas
endif

SANITARY =  -fsanitize=address  -fsanitize=undefined -fsanitize=null
-fsanitize=return \
 -fsanitize=bounds -fsanitize=alignment -fsanitize=float-divide-by-zero
-fsanitize=float-cast-overflow \
 -fsanitize=bool -fsanitize=enum -fsanitize=vptr

# SuperLU_MT
CXXFLAGS += -L/usr/lib/lsuperlu_mt_PTHREAD
LINKFLAGS += -L/usr/lib/lsuperlu_mt_PTHREAD
#
SUPERLU_INC= -I/usr/include/superlu -I/usr/include/superlu-dist
CXXFLAGS  += ${SUPERLU_INC}
LINKFLAGS +=-lsuperlu
# OpenMP
CXXFLAGS += -fopenmp
LINKFLAGS += -fopenmp

Any suggestions?
Best Regards,
Salman Ahmad
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