Build Error

[okami_zxh]

Hi All
It seems that I compile ROMS with error about FLAGS with gfortran, the error is as below:

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ROMS/Bin/cpp_clean Build/mod_strings.f90
cd ./Build; /opt/openmpi/bin/mpif90 -c -frepack-arrays -g -fbounds-check -I/home/zhou/COAWST/install/include -I/usr/include -ffree-form mod_strings.f90
mod_strings.f90:165.43:

        character (len=160) :: my_fflags = "-frepack-arrays -g -fbounds-check -
                                           1
Error: Unterminated character constant beginning at (1)
mod_strings.f90:165.132:

ys -g -fbounds-check -I/home/zhou/COAWST/install/include -I/usr/include -ff
                                                                           1                                                         
Warning: Line truncated at (1)
make: *** [Build/mod_strings.o] Error 1

Did anyone know how to solve it?

[kate]

The file mod_strings.F contains "character (len=160) :: my_fflags = MY_FFLAGS" and it is counting on the environment variable MY_FFLAGS being substituted by this part of the makefile:

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$(SCRATCH_DIR)/mod_strings.f90: CPPFLAGS += -DMY_OS='"$(OS)"' \
              -DMY_CPU='"$(CPU)"' -DMY_FORT='"$(FORT)"' \
              -DMY_FC='"$(FC)"' -DMY_FFLAGS='"$(FFLAGS)"'

It looks like FFLAGS string has been corrupted - it is coming from your file in Compilers. For me, Linux-gfortran.mk contains:

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           FFLAGS := -frepack-arrays

then

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           FFLAGS += -O3 -ffast-math

and so on. There should be no newlines in it.

[okami_zxh]

Hi Kate,
I modified the Linux-gfortran.mk file. But it did not work. The same error still occurred, My Linux-gfortran.mk file contains the FFLAGS as:

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ifdef USE_OpenMP
         CPPFLAGS += -D_OPENMP
           FFLAGS += -fopenmp
endif

ifdef USE_DEBUG
           FFLAGS += -g -fbounds-check
           CFLAGS += -g
         CXXFLAGS += -g
else
           FFLAGS += -O3 -ffast-match
           FFLAGS += -ftree-vectorize -ftree-loop-linear -funroll-loops -w -ffree-form -ffree-line-length-none -frecord-marker=4 -fconvert=big-endian
##                   -fconvert=big-endian
endif
/code]

[kate]

So your debug flags are short compared to your optimize flags. You might run off the end of the 160 character limit for that string. It looks like I increased the size of it on a branch at some point:

character (len=512) :: my_fflags = "-heap-arrays -fp-model precise -g -check uninit -ftrapuv -traceback -check bounds -fpe0 -free -free"

You might need not only:

$(SCRATCH_DIR)/mod_strings.o: FFLAGS += -ffree-form

but

$(SCRATCH_DIR)/mod_strings.o: FFLAGS += -ffree-form -ffree-line-length-none

Anyway, look at the file in your build directory to see exactly what's there (see my my_fflags above).

[okami_zxh]

Hi Kate
Thank you so much. I fixed this problem with your help. What I did is modified Compilers/Linux-gfortran.mk (170.1)

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$(SCRATCH_DIR)/mod_strings.o: FFLAGS += -ffree-form

to

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$(SCRATCH_DIR)/mod_strings.o: FFLAGS += -ffree-form -ffree-line-length-none

Xiaohui