What happens if you add ${DLIB} to the end of the line
> executable: $(SOURCES) chkopts
> -${FLINKER} $(FFLAGS) $(FPPFLAGS) $(CPPFLAGS) -o executable.out
> $(SOURCES) ${PETSC_LIB}
Send all the output from trying this.
Barry
> On Jun 1, 2018, at 12:07 PM, Danyang Su <[email protected]> wrote:
>
> Hi All,
>
> My code needs to link to an external C++ library (CGAL). The code is written
> in Fortran and I have already written interface to let Fortran call C++
> function. For the sequential version without PETSc, it can be compiled
> without problem using the following makefile. The parallel version without
> CGAL can also be compiled successfully. However, when I tried to use PETSc
> together with CGAL library, I cannot compile the code. My questions is: How
> can I modify the makefile? Do I need to reconfigure PETSc with special flags?
> All the makefile samples are shown below.
>
> #makefile for sequential version
>
> FC = gfortran
> #FC = ifort
> CXX = g++ -std=c++11
>
> DLIB = -lstdc++ -lm -L/usr/local/lib -rdynamic /usr/local/lib/libmpfr.so
> /usr/local/lib/libgmp.so /usr/local/lib/libCGAL_ImageIO.so.11.0.1
> /usr/local/lib/libCGAL.so.11.0.1 /usr/local/lib/libboost_thread.so
> /usr/local/lib/libboost_system.so -lpthread -lGLU -lGL -lX11 -lXext -lz
> /usr/local/lib/libCGAL_ImageIO.so.11.0.1 /usr/local/lib/libCGAL.so.11.0.1
> /usr/local/lib/libboost_thread.so /usr/local/lib/libboost_system.so -lpthread
> -lGLU -lGL -lX11 -lXext -lz /usr/local/lib/libmpfr.so
> /usr/local/lib/libgmp.so /usr/local/lib/libboost_thread.so
> /usr/local/lib/libboost_system.so -lpthread -Wl,-rpath,/usr/local/lib
>
> FFLAGS = -O3
> CXXFLAGS = -O3
>
> FPPFLAGS = -DUSECGAL
>
> SRC =./../../
>
> SOURCES = $(SRC)usg/math_common.o\
> $(SRC)usg/geometry_definition.o\
> $(SRC)usg/cgal_common.o\
>
> ...
>
> executable: $(SOURCES)
> $(FC) $(FFLAGS) $(FPPFLAGS) -o executable.out $(SOURCES) ${LIS_LIB} $(DLIB)
> %.o:%.F90
> $(FC) $(FFLAGS) $(FPPFLAGS) -c -frounding-math $< -o $@
> %.o:%.cpp
> $(CXX) $(CXXFLAGS) $(CPPFLAGS) -c -frounding-math $< -o $@
>
>
> #makefile for parallel version with PETSc, without CGAL
>
> #FC = ifort
> #FC = gfortran
>
> DLIB = -lm
>
> FFLAGS = -O3
>
> FPPFLAGS = -DUSEPETSC
>
> SRC =./../../
>
> SOURCES = $(SRC)usg/math_common.o\
> $(SRC)usg/geometry_definition.o\
> $(SRC)usg/cgal_common.o\
>
> ...
>
> executable: $(SOURCES) chkopts
> -${FLINKER} $(FFLAGS) $(FPPFLAGS) $(CPPFLAGS) -o executable.out
> $(SOURCES) ${PETSC_LIB}
>
>
> #makefile for parallel version with PETSc, with CGAL, CANNOT work
>
> #FC = ifort
> #FC = gfortran
>
> DLIB = -lm
>
> FFLAGS = -O3
>
> FPPFLAGS = -DUSEPETSC -DUSECGAL
>
> SRC =./../../
>
> SOURCES = $(SRC)usg/math_common.o\
> $(SRC)usg/geometry_definition.o\
> $(SRC)usg/cgal_common.o\
>
> ...
>
> executable: $(SOURCES) chkopts
> -${FLINKER} $(FFLAGS) $(FPPFLAGS) $(CPPFLAGS) -o executable.out
> $(SOURCES) ${PETSC_LIB}
>
> %.o:%.F90
> $(FC) $(FFLAGS) $(FPPFLAGS) -c -frounding-math $< -o $@
> %.o:%.cpp
> $(CXX) $(CXXFLAGS) $(CPPFLAGS) -c -frounding-math $< -o $@
>
>
> Thanks,
>
> Danyang
>
