Annotation of /MITgcm/tools/f90mkdepend

#!/bin/bash
# $Header$
# $Name$
#
# Generate some make file dependency entries for a Fortran 90 file that employs "use".
#
# For every "use" statement, generate a dependency on tolower(modulename).o
#
# Note: We assume that the name of a module and the same of source are the same.
#       The name of the source file should be all lower case (except for the extension).

# don't complain if *.F90 doesn't match any files
shopt -s nullglob

cat /dev/null > f90mkdepend.log

for filename in *.F90 *.F *.h; do
  # quick check for "use" to speed up processing
  if grep -i '^ *use ' $filename > /dev/null; then
    # extract module name in lower case
    modreflist=$(grep -i '^ *use ' $filename | awk '{sub(/,.*/,"",$2); print tolower($2)}')

    echo "$filename => $modreflist" >> f90mkdepend.log

    # change .F90 into .f90, .F into .f for target
    preprocessed=$(echo $filename | sed -e 's/\.F$/.f/' -e 's/\.F90$/.f90/')

    depline="$preprocessed:"
    for m in $modreflist; do
      # ignore modules that don't have an appropriately named source file
      if [ -f $m.F90 ] || [ -f $m.F ]; then
        depline="$depline $m.o"
      fi
    done
    echo $depline
  fi
done

1	jahn	1.4	#!/bin/bash
2	jahn	1.3	# $Header$
3			# $Name$
4	cnh	1.1	#
5			# Generate some make file dependency entries for a Fortran 90 file that employs "use".
6	jahn	1.4	#
7	jahn	1.5	# For every "use" statement, generate a dependency on tolower(modulename).o
8	jahn	1.4	#
9	cnh	1.1	# Note: We assume that the name of a module and the same of source are the same.
10	jahn	1.3	# The name of the source file should be all lower case (except for the extension).
11	jahn	1.4
12			# don't complain if *.F90 doesn't match any files
13			shopt -s nullglob
14
15	jahn	1.3	cat /dev/null > f90mkdepend.log
16
17	jahn	1.4	for filename in .F90 .F *.h; do
18			# quick check for "use" to speed up processing
19	jahn	1.5	if grep -i '^ *use ' $filename > /dev/null; then
20	jahn	1.4	# extract module name in lower case
21			modreflist=$(grep -i '^ use ' $filename \| awk '{sub(/,./,"",$2); print tolower($2)}')
22	cnh	1.1
23	jahn	1.3	echo "$filename => $modreflist" >> f90mkdepend.log
24	cnh	1.1
25	jahn	1.4	# change .F90 into .f90, .F into .f for target
26			preprocessed=$(echo $filename \| sed -e 's/\.F$/.f/' -e 's/\.F90$/.f90/')
27
28			depline="$preprocessed:"
29			for m in $modreflist; do
30			# ignore modules that don't have an appropriately named source file
31			if [ -f $m.F90 ] \|\| [ -f $m.F ]; then
32			depline="$depline $m.o"
33			fi
34			done
35			echo $depline
36			fi
37			done
38