bacfb4fa2b
functions (e.g., MPI_REDUCE). We don't generate the back-end subroutines for them (because it makes an expontential number of subroutines, and compilers literally will segv), so we shouldn't generate the f90 interfaces for them, either. This allows user's MPI F90 apps to automaitcally fall through to the F77 bindings for these functions. This commit was SVN r8094.
290 строки
10 KiB
Makefile
290 строки
10 KiB
Makefile
# -*- makefile -*-
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#
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# Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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# University Research and Technology
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# Corporation. All rights reserved.
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# Copyright (c) 2004-2005 The University of Tennessee and The University
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# of Tennessee Research Foundation. All rights
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# reserved.
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# Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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# University of Stuttgart. All rights reserved.
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# Copyright (c) 2004-2005 The Regents of the University of California.
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# All rights reserved.
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# $COPYRIGHT$
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#
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# Additional copyrights may follow
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#
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# $HEADER$
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#
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# This Makefile.am is quite complex and confusing. Part of the
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# problem is that Libtool (v1.5.18) does not understand F90, so we
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# have to do a few things manually (and no shared libraries). Here's a
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# summary of what is happening:
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#
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# Depedencies / who generates whom:
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#
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# configure generates fortran_kinds.sh
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# |
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# \|/
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# fortran_kinds.sh ----> sourced by scripts/* ----> generates mpi_*.f90
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# | |
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# \|/ |
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# generates mpi-f90-interfaces.h |
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# / |
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# mpi_kinds.f90 --------> generates mpi_kinds module |
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# / (exact filename unknown) |
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# \/ / \ |
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# mpi-f90-interfaces.h / \ |
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# | / \ |
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# \|/ \/ \/ \|/
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# used by mpi.f90 used by mpi_*.f90
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# / | |
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# / \|/ \|/
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# / generates mpi.o generates mpi_*.o
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# \/ \ /
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# generates mpi module \/ \/
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# (filename unknown) generates libmpi_f90.a
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#
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# Once you understand this diagram, this Makefile is much more clear.
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#
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SUBDIRS = scripts
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AM_FCFLAGS = -I$(top_builddir)/include -I$(top_srcdir)/include $(OMPI_FC_MODULE_FLAG).
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# We have to EXTRA_DIST mpi_kinds.f90 because there is no explicit
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# Automake rule to compile this file.
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EXTRA_DIST = mpi_kinds.f90
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# Override the default f90 rules because we have to insert
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# $(FCFLAGS_f90) right before the source filename. This is necessary
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# for cases where the compiler expects source files to end in .f, and
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# if we want our .f90 files to be compilable, we have to insert a
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# special flag right before the source filename (e.g., xlf).
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.f90.o:
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$(FCCOMPILE) -c -o $@ $(FCFLAGS_f90) $<
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.f90.obj:
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$(FCCOMPILE) -c -o $@ $(FCFLAGS_f90) `$(CYGPATH_W) '$<'`
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.f90.lo:
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$(LTFCCOMPILE) -c -o $@ $(FCFLAGS_f90) $<
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# Do different things if the top-level configure decided that we're
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# going to build F90 bindings or not.
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lib_LIBRARIES =
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if OMPI_WANT_F90_BINDINGS
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# We have to build this before the other ones.
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BUILT_SOURCES = mpi_kinds.ompi_module
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# Add the f90 library to the list of libraries to build
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lib_LIBRARIES += libmpi_f90.a
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# Ensure that the F90 interfaces are re-generated based on the values
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# that come in from configure
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mpi-f90-interfaces.h: fortran_kinds.sh
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CLEANFILES += mpi-f90-interfaces.h
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# SIDENOTE: We currently have code in mpi-f90-interfaces.h.sh to
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# generate interface declarations for all the "two buffer" functions
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# (e.g., MPI_Reduce). This actually creates a problem for most
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# compilers, because it results in an exponential explosion of
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# functions generated -- most compilers will segv (particularly with
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# --with-f90-mcx-array-dim values of >2). But this code is useful,
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# and I don't want to delete it (yes, we could get it back from SVN
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# history, but I don't want to re-integrate it) -- f90 compilers *may*
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# someday be able to handle this (i.e., our *code* is not wrong -- the
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# *compilers* are wrong). So I'm simply adding a hard-coded value
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# here to disable the interface generation stuff in the script; it can
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# be made a condition (e.g., via configure test or --enable option, or
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# somesuch) later if necessary.
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WANT_2BUFFER_FUNCTIONS=0
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# Run scripts to generate the f90 source files. We only need to
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# generate the .f90 files once, so the "test" checks to see if the
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# file exists before running the script. However, the
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# mpi-f90-interfaces.h file may need to be generated multiple times
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# (even if it already exists), such as if someone re-runs configure
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# and changes the value fortran_kinds.sh (which is taken care of by
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# the mpi-f90-interfaces.h dependency on fortran_kinds.sh, above).
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mpi-f90-interfaces.h:
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@ p="`pwd`"; \
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echo $(srcdir)/scripts/mpi-f90-interfaces.h.sh $$p $(WANT_2BUFFER_FUNCTIONS) \> $@; \
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$(srcdir)/scripts/mpi-f90-interfaces.h.sh $$p $(WANT_2BUFFER_FUNCTIONS) > $@
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# Ensure that the mpi_kinds F90 module is generated before compiling
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# any of the sources (because many/all of these sources "use
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# mpi_kinds"). We unfortunately can't know ahead of time the exact
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# filename of the generated F90 module file (because F90 compilers
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# have not standardized on the output filename format), so we have to
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# add our own explicit dependency to compile the module. :-(
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$(libmpi_f90_a_SOURCES) $(nodist_libmpi_f90_a_SOURCES): mpi_kinds.ompi_module
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mpi_kinds.ompi_module: mpi_kinds.f90
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$(FCCOMPILE) -c -o $@ $(FCFLAGS_f90) $<
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@ touch mpi_kinds.ompi_module
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# Unbelievably, some versions of sh (cough cough Solaris 9 cough
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# cough) actually seem to internally perform a "cd" into a
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# subdirectory when you run "./foo/bar", such that if you try to
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# source a script in the top-level directory in the bar script (e.g.,
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# ". some_script" in the bar script), it will try to run it in the
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# "foo" subdirectory, rather than the top-level directory! #$@#$%#$%
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# So we have to pass in the pwd to the scripts so that they know where
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# some_script is.
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$(nodist_libmpi_f90_a_SOURCES):
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@ if test ! -r $@ -o "$@" = "mpi-f90-interfaces.h"; then \
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p="`pwd`"; \
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echo $(srcdir)/scripts/$@.sh $$p \> $@; \
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$(srcdir)/scripts/$@.sh $$p > $@ ; \
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fi
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# Automake doesn't know how to do F90 dependency analysis, so manually
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# list this here (i.e., "mpi-f90-interfaces.h" is included in
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# mpi.f90).
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# Print a warning indicating that compiling mpi.f90 can take a while.
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# The only way to do this portably is to have our own rules for mpi.o
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# and mpi.obj (having a "fake" target that just has echo statement in
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# it may trigger mpi.o|obj to be rebuilt because the fake name doesn't
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# exist; there aren't good portable ways to indicate that the target
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# name is fake and should never exist).
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mpi.o: mpi.f90 mpi-f90-interfaces.h
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@echo "***************************************************************"
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@echo "* Compiling the mpi.f90 file may take a few minutes."
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@echo "* This is quite normal -- do not be alarmed if the compile"
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@echo "* process seems to 'hang' at this point for several minutes."
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@echo "***************************************************************"
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$(FCCOMPILE) -c -o $@ $(FCFLAGS_f90) $<
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mpi.obj: mpi.f90 mpi-f90-interfaces.h
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@echo "***************************************************************"
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@echo "* Compiling the mpi.f90 file may take a few minutes."
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@echo "* This is quite normal -- do not be alarmed if the compile"
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@echo "* process seems to 'hang' at this point for several minutes."
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@echo "***************************************************************"
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$(FCCOMPILE) -c -o $@ $(FCFLAGS_f90) `$(CYGPATH_W) '$<'`
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else
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lib_LIBRARIES +=
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endif
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# mpi.f90 is the only f90 source file directly in libmpif90 that gets
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# distributed (mpi_kinds.f90 is also distributed, but it's only
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# indirectly included in libmpif90 -- via "use mpi_kinds").
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libmpi_f90_a_SOURCES = mpi.f90
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# These files are all generated by scripts in the scripts/ directory.
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nodist_libmpi_f90_a_SOURCES = \
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mpi_address_f90.f90 \
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mpi_bcast_f90.f90 \
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mpi_bsend_f90.f90 \
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mpi_bsend_init_f90.f90 \
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mpi_buffer_attach_f90.f90 \
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mpi_buffer_detach_f90.f90 \
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mpi_file_iread_f90.f90 \
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mpi_file_iread_at_f90.f90 \
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mpi_file_iread_shared_f90.f90 \
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mpi_file_iwrite_f90.f90 \
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mpi_file_iwrite_at_f90.f90 \
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mpi_file_iwrite_shared_f90.f90 \
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mpi_file_read_f90.f90 \
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mpi_file_read_all_f90.f90 \
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mpi_file_read_all_begin_f90.f90 \
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mpi_file_read_all_end_f90.f90 \
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mpi_file_read_at_f90.f90 \
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mpi_file_read_at_all_f90.f90 \
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mpi_file_read_at_all_begin_f90.f90 \
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mpi_file_read_at_all_end_f90.f90 \
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mpi_file_read_ordered_f90.f90 \
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mpi_file_read_ordered_begin_f90.f90 \
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mpi_file_read_ordered_end_f90.f90 \
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mpi_file_read_shared_f90.f90 \
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mpi_file_write_f90.f90 \
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mpi_file_write_all_f90.f90 \
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mpi_file_write_all_begin_f90.f90 \
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mpi_file_write_all_end_f90.f90 \
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mpi_file_write_at_f90.f90 \
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mpi_file_write_at_all_f90.f90 \
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mpi_file_write_at_all_begin_f90.f90 \
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mpi_file_write_at_all_end_f90.f90 \
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mpi_file_write_ordered_f90.f90 \
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mpi_file_write_ordered_begin_f90.f90 \
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mpi_file_write_ordered_end_f90.f90 \
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mpi_file_write_shared_f90.f90 \
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mpi_ibsend_f90.f90 \
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mpi_irecv_f90.f90 \
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mpi_irsend_f90.f90 \
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mpi_isend_f90.f90 \
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mpi_issend_f90.f90 \
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mpi_recv_f90.f90 \
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mpi_recv_init_f90.f90 \
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mpi_rsend_f90.f90 \
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mpi_rsend_init_f90.f90 \
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mpi_send_f90.f90 \
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mpi_send_init_f90.f90 \
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mpi_sendrecv_replace_f90.f90 \
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mpi_ssend_f90.f90 \
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mpi_ssend_init_f90.f90
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if WANT_MPI2_ONE_SIDED
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nodist_libmpi_f90_a_SOURCES += \
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mpi_accumulate_f90.f90 \
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mpi_get_f90.f90 \
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mpi_put_f90.f90 \
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mpi_win_create_f90.f90
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endif
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#
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# Clean up all F90 module files and all generated files
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#
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MOSTLYCLEANFILES = *.mod *.ompi_module
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DISTCLEANFILES = $(nodist_libmpi_f90_a_SOURCES)
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#
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# Install the generated .mod files. Unfortunately, each F90 compiler
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# may generate different filenames, so we have to use a glob. :-(
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#
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if OMPI_WANT_F90_BINDINGS
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install-exec-hook:
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@ for file in `ls *.mod`; do \
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echo $(INSTALL) $$file $(DESTDIR)$(libdir); \
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$(INSTALL) $$file $(DESTDIR)$(libdir); \
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done
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uninstall-local:
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@ for file in `ls *.mod`; do \
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echo rm -f $(DESTDIR)$(libdir)/$$file; \
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rm -f $(DESTDIR)$(libdir)/$$file; \
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done
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else
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# Need to have empty targets because AM can't handle having an
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# AM_CONDITIONAL was targets in the "if" statement but not in the
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# "else". :-(
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install-exec-hook:
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uninstall-local:
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endif
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