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Makefile.swig
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Makefile.swig
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# -*- Makefile -*-
#
# Copyright 2009,2010 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
## This makefile should be included using
## include $(top_srcdir)/Makefile.swig
## in Makefile.am's which require SWIG wrapping / compilation.
## For just installing .i files, this Makefile is not required.
## include the built Makefile.swig.gen, always the one from the srcdir
include $(srcdir)/Makefile.swig.gen
## swig flags
## -w511 turns off keyword argument warning
## "-outdir $(builddir)" writes all generated output files to
## the local builddir (which should always be '.')
## In some older autotools, $(builddir) is not defined, so
## just use '.' instead.
SWIG_PYTHON_FLAGS = \
-fvirtual \
-python \
-modern \
-keyword \
-w511 \
-outdir .
STD_SWIG_PYTHON_ARGS = \
$(SWIG_PYTHON_FLAGS) \
$(STD_DEFINES_AND_INCLUDES) \
$(WITH_SWIG_INCLUDES) \
$(WITH_INCLUDES)
## standard SWIG LD flags for library creation
STD_SWIG_LA_LD_FLAGS = \
$(PYTHON_LDFLAGS) \
-module \
-avoid-version \
$(NO_UNDEFINED)
## standard SWIG library additions for library creation
STD_SWIG_LA_LIB_ADD = -lstdc++
## standard SWIG CXXFLAGS
## This allows for code to be compiled with "-O1" instead of "-g -O2"
## for some systems, avoiding some optimization issues.
STD_SWIG_CXX_FLAGS = @swig_CXXFLAGS@
# We drive the dependencies off of swig_built_sources. This variable
# ends up containing only the generated .py and/or .scm files, not the .h
# or .cc files. This allows us to use the pattern rules defined
# below to generate all the pieces without the parallel make
# problems that occur when both the .py's and .cc's are in swig_built_sources.
swig_built_sources =
# swig_all_built_sources contains swig_built_sources plus the .cc and .h files.
# It contains the files to remove from the distribution and the files to
# remove for make clean.
swig_all_built_sources =
if PYTHON
# Create a list of .py files based on the top level .i files.
PYTHON_GEN = $(foreach IFILE,$(TOP_SWIG_IFILES), $(subst .i,.py,$(IFILE)))
swig_built_sources += $(PYTHON_GEN)
swig_all_built_sources += $(PYTHON_GEN)
# Now add .h, .cc to _all_
swig_all_built_sources += $(foreach IFILE,$(TOP_SWIG_IFILES), $(patsubst %.i,python/%.h,$(IFILE)))
swig_all_built_sources += $(foreach IFILE,$(TOP_SWIG_IFILES), $(patsubst %.i,python/%.cc,$(IFILE)))
endif
# N.B. Only $(swig_built_sources), not $(swig_all_built_sources)
BUILT_SOURCES += $(swig_built_sources)
# Don't distribute any of the swig generated files
no_dist_files = $(swig_all_built_sources)
CLEANFILES += $(swig_all_built_sources)
CLEANFILES += python/*.lo python/*.o python/*.d
## SWIG suffixes for automake to know about
SUFFIXES = .i .py
# Compile a .i file to what python needs
.i.py:
@echo "Compile .i to .py"
@test -d "python" || $(mkinstalldirs) "python"
$(SWIG) $(STD_SWIG_PYTHON_ARGS) $($*_swig_args) \
-MD -MF python/$*.Std \
-module $* -o python/$*.cc -oh python/$*.h $<
$(SED) -e 's|python/\(.*\)\.cc:|\1.py:|' python/$*.Std > python/$*.d
$(RM) python/$*.Std
## ------------------------------------------------------------------------
## Rule that (re)generates Makefile.swig.gen using TOP_SWIG_IFILES and
## Makefile.swig.gen.t
##
## Create $(srcdir)/Makefile.swig.gen, containing all of the rules
## for running SWIG to generate or re-generate outputs. SWIG file
## names are to be defined in TOP_SWIG_IFILES, and must include the
## full path to the file and full filename including extension. This
## Makefile addition will be made only if either it does not exist or
## if the top-level template has been modified.
generate-makefile-swig $(srcdir)/Makefile.swig.gen: $(top_srcdir)/Makefile.swig.gen.t
## recreate $(srcdir)/Makefile.swig.gen only if ...
@do_recreate=0; \
if test -f $(srcdir)/Makefile.swig.gen; then \
## the file exists and can be removed; or ...
if $(RM) $(srcdir)/Makefile.swig.gen 2>/dev/null; then \
if touch $(srcdir)/Makefile.swig.gen 2>/dev/null; then \
do_recreate=1; \
fi; \
fi; \
else \
## the file doesn't exist, but can be created (e.g., by touching it).
if touch $(srcdir)/Makefile.swig.gen 2>/dev/null; then \
do_recreate=1; \
fi; \
fi; \
if test "$$do_recreate" == "1"; then \
echo "Regenerating $(srcdir)/Makefile.swig.gen"; \
for TFILE in $(TOP_SWIG_IFILES); do \
## retrieve just the filename, without path or extension
TNAME=`python -c "import os.path as op; (dN, fN) = op.split ('$$TFILE'); (fbN, fE) = op.splitext (fN); print fbN;"`; \
## Replace the @-named strings in the template Makefile for SWIG.
$(SED) -e 's|@NAME@|'$$TNAME'|g;' < $(top_srcdir)/Makefile.swig.gen.t >> $(srcdir)/Makefile.swig.gen; \
echo "" >> $(srcdir)/Makefile.swig.gen; \
done; \
else \
echo "Cannot recreate $(srcdir)/Makefile.swig.gen because the directory or file is write-protected."; \
exit -1; \
fi;