397b72eb9e
Stripping of installed binaries for Windows is done by default because their unstripped size is ridiculously large when built with Mingw-w64. This default behavior can still be overriden by defining 'stripflags' empty during install.
1290 lines
42 KiB
Makefile
1290 lines
42 KiB
Makefile
# Makefile.pdlibbuilder dated 2018-01-23
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version = 0.5.0
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# Helper makefile for Pure Data external libraries.
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# Written by Katja Vetter March-June 2015 for the public domain. No warranties.
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# Inspired by Hans Christoph Steiner's Makefile Template and Stephan Beal's
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# ShakeNMake.
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#
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# Grab the newest version of Makefile.pdlibbuilder from
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# https://github.com/pure-data/pd-lib-builder/
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#
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# GNU make version >= 3.81 required.
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#
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#
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#=== characteristics ===========================================================
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#
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#
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# - defines build settings based on autodetected OS and architecture
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# - defines rules to build Pd class- or lib executables from C or C++ sources
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# - defines rules for libdir installation
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# - defines convenience targets for developer and user
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# - evaluates implicit dependencies for non-clean builds
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#
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#
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#=== basic usage ===============================================================
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#
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#
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# In your Makefile, define your Pd lib name and class files, and include
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# Makefile.pdlibbuilder at the end of the Makefile. Like so:
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#
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# ________________________________________________________________________
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#
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# # Makefile for mylib
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#
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# lib.name = mylib
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#
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# class.sources = myclass1.c myclass2.c
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#
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# datafiles = myclass1-help.pd myclass2-help.pd README.txt LICENSE.txt
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#
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# include Makefile.pdlibbuilder
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# ________________________________________________________________________
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#
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#
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# For files in class.sources it is assumed that class basename == source file
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# basename. The default target builds all classes as individual executables
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# with Pd's default extension for the platform. For anything more than the
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# most basic usage, continue reading.
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#
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#
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#=== list of Makefile.pdlibbuilder API variables ===============================
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#
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#
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# Variables available for definition in your library Makefile:
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#
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# - lib.name
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# - lib.setup.sources
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# - class.sources
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# - common.sources
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# - shared.sources
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# - <classname>.class.sources
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# - <classname>.class.ldflags
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# - <classname>.class.ldlibs
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# - cflags
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# - ldflags
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# - ldlibs
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# - datafiles
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# - datadirs
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# - makefiles
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# - makefiledirs
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# - externalsdir
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#
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# Optional multiline defines evaluated per operating system:
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#
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# - forLinux
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# - forDarwin
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# - forWindows
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#
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# Variables available for your makefile or make command line:
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#
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# - make-lib-executable
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# - suppress-wunused
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#
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# Path variables for make command line or environment:
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#
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# - PDDIR
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# - PDINCLUDEDIR
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# - PDBINDIR
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# - PDLIBDIR
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#
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# Standard make variables for make command line or environment:
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#
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# - CPPFLAGS
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# - CFLAGS
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# - LDFLAGS
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# - CC
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# - CXX
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# - INSTALL
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# - DESTDIR
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#
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# Deprecated path variables:
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#
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# - pdincludepath
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# - pdbinpath
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# - objectsdir
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#
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#
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#=== descriptions of Makefile.pdlibbuilder API variables =======================
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#
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#
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# lib.name:
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# Name of the library directory as it will be installed / distributed. Also the
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# name of the lib executable in the case where all classes are linked into
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# a single binary.
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#
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# lib.setup.sources:
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# Source file(s) (C or C++) which must be compiled only when linking all classes
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# into a single lib binary.
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#
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# class.sources:
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# All sources files (C or C++) for which the condition holds that
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# class name == source file basename.
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#
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# <classname>.class.sources:
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# Source file(s) (C or C++) specific to class <classname>. Use this for
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# multiple-source classes or when class name != source file basename.
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#
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# common.sources:
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# Source file(s) which must be statically linked to each class in the library.
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#
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# shared.sources:
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# Source file(s) (C or C++) to build a shared dynamic link lib, to be linked
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# with all class executables.
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#
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# cflags, ldflags, ldlibs:
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# Define cflags (preprocessor&compiler), ldflags (linker) and ldlibs (dynamic
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# link libs) for the whole library. These flags are added to platform-specific
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# flags defined by Makefile.pdlibbuilder.
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#
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# <classname>.class.ldflags and <classname>.class.ldlibs:
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# Define ldflags resp. ldlibs specific to class <classname>. These flags are
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# added to platform-specific flags defined by Makefile.pdlibbuilder, and flags
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# defined in your Makefile for the whole library. Note: cflags can not be
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# defined per class in the current implementation.
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#
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# datafiles and datadirs:
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# All extra files you want to include in binary distributions of the
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# library: abstractions and help patches, example patches, meta patch, readme
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# and license texts, manuals, sound files, etcetera. Use 'datafiles' for all
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# files that should go into your lib rootdir and 'datadirs' for complete
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# directories you want to copy from source to distribution.
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#
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# forLinux, forDarwin, forWindows:
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# Shorthand for 'variable definitions for Linux only' etc. Use like:
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# define forLinux
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# cflags += -DLINUX
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# class.sources += linuxthing.c
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# endef
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#
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# makefiles and makefiledirs:
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# Extra makefiles or directories with makefiles that should be made in sub-make
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# processes.
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#
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# make-lib-executable:
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# When this variable is defined 'yes' in your makefile or as command argument,
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# Makefile.pdlibbuilder will try to build all classes into a single library
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# executable (but it will force exit if lib.setup.sources is undefined).
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# If your makefile defines 'make-lib-executable=yes' as the library default,
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# this can still be overridden with 'make-lib-executable=no' as command argument
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# to build individual class executables (the Makefile.pdlibbuilder default.)
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#
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# suppress-wunused:
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# When this variable is defined ('yes' or any other value), -Wunused-variable,
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# -Wunused-parameter, -Wunused-value and -Wunused-function are suppressed,
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# but the other warnings from -Wall are retained.
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#
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# PDDIR:
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# Root directory of 'portable' pd package. When defined, PDINCLUDEDIR and
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# PDBINDIR will be evaluated as $(PDDIR)/src and $(PDDIR)/bin.
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#
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# PDINCLUDEDIR:
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# Directory where Pd API m_pd.h should be found, and other Pd header files.
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# Overrides the default search path.
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#
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# PDBINDIR:
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# Directory where pd.dll should be found for linking (Windows only). Overrides
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# the default search path.
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#
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# PDLIBDIR:
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# Root directory for installation of Pd library directories. Overrides the
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# default install location.
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#
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# DESTDIR:
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# Prepended path component for staged install.
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#
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# CPPFLAGS:
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# Preprocessor flags which are not strictly required for building.
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#
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# CFLAGS:
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# Compiler flags which are not strictly required for building. Compiler flags
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# defined by Makefile.pdlibbuilder for warning, optimization and architecture
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# specification are overriden by CFLAGS.
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#
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# LDFLAGS:
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# Linker flags which are not strictly required for building. Linker flags
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# defined by Makefile.pdlibbuilder for architecture specification are overriden
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# by LDFLAGS.
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#
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# CC and CXX:
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# C and C++ compiler programs as defined in your build environment.
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#
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# INSTALL
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|
# Definition of install program.
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#
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# objectsdir:
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# Root directory for installation of Pd library directories, like PDLIBDIR but
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# not overridable by environment. Supported for compatibility with pd-extended
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# central makefile, but deprecated otherwise.
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#
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# pdincludepath, pdbinpath:
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# As PDINCLUDEDIR and PDBINDIR but not overridable by environment. Deprecated
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# as user variables.
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#
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#
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#=== paths =====================================================================
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#
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#
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# Source files in directories other than current working directory must be
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# prefixed with their relative path. Do not rely on VPATH or vpath.
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# Object (.o) files are built in the directory of their source files.
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# Executables are built in current working directory.
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#
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# Default search path for m_pd.h and other API header files is platform
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# dependent, and overridable by PDINCLUDEDIR:
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#
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# Linux: /usr/include/pd
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#
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# OSX: /Applications/Pd*.app/Contents/Resources/src
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#
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# Windows: %PROGRAMFILES%/Pd/src
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# %PROGRAMFILES(X86)%/Pd/src (32 bit builds on 64 bit Windows)
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#
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|
# Default search path for binary pd.dll (Windows), overridable by PDBINDIR
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#
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# %PROGRAMFILES%/Pd/bin
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# %PROGRAMFILES(X86)%/Pd/bin (32 bit builds on 64 bit Windows)
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#
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# Default location to install pd libraries is platform dependent, and
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# overridable by PDLIBDIR:
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#
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# Linux: /usr/local/lib/pd-externals
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# OSX: ~/Library/Pd
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# Windows: %APPDATA%/Pd
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#
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|
# https://puredata.info/docs/faq/how-do-i-install-externals-and-help-files
|
|
# The rationale for not installing to ~/pd-externals by default on Linux
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# is that some people share the home dir between 32 and 64 bit installations.
|
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#
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#
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#=== targets ===================================================================
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#
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#
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# all: build $(executables) plus optional post target
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# post: target to build after $(executables)
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# alldebug: build all with -g option turned on for debug symbols
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# <classname>: force clean build of an individual class
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|
# <sourcefile>.pre: make preprocessor output file in current working directory
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|
# <sourcefile>.lst: make asm/source output file in current working directory
|
|
#
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# install: install executables and data files
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|
# clean: remove build products from source tree
|
|
#
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|
# help: print help text
|
|
# vars: print makefile variables
|
|
# allvars: print all variables
|
|
# depend: print generated prerequisites
|
|
# coffee: dummy target
|
|
#
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|
# Variable $(executables) expands to class executables plus optional shared lib,
|
|
# or alternatively to single lib executable when make-lib-executable=true.
|
|
# Targets pre and post can be defined by library makefile. Make sure to include
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# Makefile.pdlibbuilder first so default target all will not be redefined.
|
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#
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#
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|
#=== Pd-extended libdir concept ================================================
|
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#
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#
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|
# For libdir layout as conceived by Hans-Christoph Steiner, see:
|
|
#
|
|
# https://puredata.info/docs/developer/Libdir
|
|
#
|
|
# Files README.txt, LICENSE.txt and <lib.name>-meta.pd are part of the libdir
|
|
# convention. Help patches for each class and abstraction are supposed to be
|
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# available. Makefile.pdlibbuilder does not force the presence of these files
|
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# however. It does not automatically include such files in libdir installations.
|
|
# Data files you want to include in distributions must be defined explicitly in
|
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# your Makefile.
|
|
#
|
|
#
|
|
#=== Makefile.pdlibbuilder syntax conventions ==================================
|
|
#
|
|
#
|
|
# Makefile.pdlibbuilder variable names are lower case. Default make variables,
|
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# environment variables, and standard user variables (CC, CXX, CFLAGS, DESTDIR)
|
|
# are upper case. Use target 'allvars' to print all variables and their values.
|
|
#
|
|
# 'Fields' in data variables are separated by dots, like in 'foo.class.sources'.
|
|
# Words in variables expressing a function or command are separated by dashes,
|
|
# like in 'make-lib-executable'.
|
|
#
|
|
#
|
|
#=== useful make options =======================================================
|
|
#
|
|
#
|
|
# Use 'make -d <target>' to print debug details of the make process.
|
|
# Use 'make -p <target>' to print make's database.
|
|
#
|
|
#
|
|
#=== TODO ======================================================================
|
|
#
|
|
#
|
|
# - decide whether to use -static-libgcc or shared dll in MinGW
|
|
# - cygwin support
|
|
# - android support
|
|
# - figure out how to handle '$' in filenames
|
|
# - add makefile template targets dpkg-source dist libdir distclean tags?
|
|
#
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#
|
|
#=== end of documentation sections =============================================
|
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#
|
|
#
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|
################################################################################
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################################################################################
|
|
################################################################################
|
|
|
|
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|
# GNU make version 3.81 (2006) or higher is required because of the following:
|
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# - function 'info'
|
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# - variable '.DEFAULT_GOAL'
|
|
|
|
# force exit when make version is < 3.81
|
|
ifneq ($(firstword $(sort 3.81 $(MAKE_VERSION))), 3.81)
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$(error GNU make version 3.81 or higher is required)
|
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endif
|
|
|
|
# Relative path to externals root dir in multi-lib source tree like
|
|
# pd-extended SVN. Default is parent of current working directory. May be
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# defined differently in including makefile.
|
|
externalsdir ?= ..
|
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|
|
# variable you can use to check if Makefile.pdlibbuilder is already included
|
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Makefile.pdlibbuilder = true
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|
|
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|
################################################################################
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### variables: library name and version ########################################
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|
################################################################################
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|
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# strip possibles spaces from lib.name, they mess up calculated file names
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|
lib.name := $(strip $(lib.name))
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|
|
# if meta file exists, check library version
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metafile := $(wildcard $(lib.name)-meta.pd)
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|
|
ifdef metafile
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lib.version := $(shell sed -n \
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's|^\#X text [0-9][0-9]* [0-9][0-9]* VERSION \(.*\);|\1|p' \
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$(metafile))
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endif
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|
|
|
|
################################################################################
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### variables: files ###########################################################
|
|
################################################################################
|
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|
|
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|
#=== sources ===================================================================
|
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|
|
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# (re)define <classname>.class.sources using file names in class.sources
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|
|
define add-class-source
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$(notdir $(basename $v)).class.sources += $v
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endef
|
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|
|
$(foreach v, $(class.sources), $(eval $(add-class-source)))
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|
|
# derive class names from <classname>.class.sources variables
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|
sourcevariables := $(filter %.class.sources, $(.VARIABLES))
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|
classes := $(basename $(basename $(sourcevariables)))
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|
|
|
# accumulate all source files specified in makefile
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|
classes.sources := $(sort $(foreach v, $(sourcevariables), $($v)))
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|
all.sources := $(classes.sources) $(lib.setup.sources) \
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$(shared.sources) $(common.sources)
|
|
|
|
|
|
#=== object files ==============================================================
|
|
|
|
|
|
# construct object filenames from all C and C++ source file names
|
|
classes.objects := $(addsuffix .o, $(basename $(classes.sources)))
|
|
common.objects := $(addsuffix .o, $(basename $(common.sources)))
|
|
shared.objects := $(addsuffix .o, $(basename $(shared.sources)))
|
|
lib.setup.objects := $(addsuffix .o, $(basename $(lib.setup.sources)))
|
|
all.objects = $(classes.objects) $(common.objects) $(shared.objects) \
|
|
$(lib.setup.objects)
|
|
|
|
|
|
#=== executables ===============================================================
|
|
|
|
|
|
# use recursive variables here because executable extension is not yet known
|
|
|
|
# construct class executable names from class names
|
|
classes.executables = $(addsuffix .$(extension), $(classes))
|
|
|
|
# construct shared lib executable name if shared sources are defined
|
|
ifdef shared.sources
|
|
shared.lib = lib$(lib.name).$(shared.extension)
|
|
else
|
|
shared.lib =
|
|
endif
|
|
|
|
|
|
################################################################################
|
|
### platform detection #########################################################
|
|
################################################################################
|
|
|
|
|
|
#=== operating system ==========================================================
|
|
|
|
|
|
# The following systems are defined: Linux, Darwin, Windows. GNU and
|
|
# GNU/kFreeBSD are treated as Linux to get the same options.
|
|
|
|
uname := $(shell uname)
|
|
|
|
ifeq ($(findstring $(uname), Linux GNU GNU/kFreeBSD), $(uname))
|
|
system = Linux
|
|
endif
|
|
|
|
ifeq ($(uname), Darwin)
|
|
system = Darwin
|
|
endif
|
|
|
|
ifeq ($(filter MINGW% MSYS%, $(uname)), $(uname))
|
|
system = Windows
|
|
endif
|
|
|
|
# Unfortunately not all Mingw versions provide a link cc > gcc, therefore
|
|
# gcc is hardcoded here (but not if CC is redefined).
|
|
ifeq ($(system), Windows)
|
|
ifeq ($(origin CC), default)
|
|
CC = gcc
|
|
endif
|
|
endif
|
|
|
|
# evaluate possible system-specific multiline defines from library makefile
|
|
$(eval $(for$(system)))
|
|
|
|
|
|
# TODO: Cygwin, Android
|
|
|
|
|
|
#=== architecture ==============================================================
|
|
|
|
|
|
# native architecture of the build machine
|
|
build.arch := $(shell uname -m)
|
|
|
|
# Target architecture as reported by compiler. Give precedence to eventual
|
|
# user-defined compiler. The first field of <cpu>-<vendor>-<os> is extracted.
|
|
ifneq ($(origin CXX), default)
|
|
dumpmachine.cpu = $(firstword $(subst -, ,$(shell $(CXX) -dumpmachine)))
|
|
else
|
|
dumpmachine.cpu = $(firstword $(subst -, ,$(shell $(CC) -dumpmachine)))
|
|
endif
|
|
|
|
# Target architecture as reported by compiler is only used for Windows at the
|
|
# moment. For other systems this still has to be tested.
|
|
ifeq ($(system), Windows)
|
|
target.arch = $(dumpmachine.cpu)
|
|
else
|
|
target.arch = $(build.arch)
|
|
endif
|
|
|
|
|
|
################################################################################
|
|
### variables per platform #####################################################
|
|
################################################################################
|
|
|
|
|
|
#=== flags per architecture ====================================================
|
|
|
|
|
|
# Set architecture-dependent cflags, mainly for Linux. For Mac and Windows,
|
|
# arch.c.flags are overriden below.
|
|
|
|
# Raspberry Pi 1st generation
|
|
ifeq ($(target.arch), armv6l)
|
|
arch.c.flags = -march=armv6 -mfpu=vfp -mfloat-abi=hard
|
|
|
|
# Beagle, Udoo, RPi2 etc.
|
|
else ifeq ($(target.arch), armv7l)
|
|
arch.c.flags = -march=armv7-a -mfpu=vfpv3 -mfloat-abi=hard
|
|
|
|
# Intel 32 bit, build with SSE and SSE2 instructions
|
|
else ifeq ($(findstring $(target.arch), i386 i686), $(target.arch))
|
|
arch.c.flags = -march=pentium4 -mfpmath=sse -msse -msse2
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|
|
|
# Intel/AMD 64 bit, build with SSE, SSE2 and SSE3 instructions
|
|
else ifeq ($(findstring $(target.arch), x86_64), $(target.arch))
|
|
arch.c.flags = -march=core2 -mfpmath=sse -msse -msse2 -msse3
|
|
|
|
# if none of the above architectures detected
|
|
else
|
|
arch.c.flags =
|
|
endif
|
|
|
|
|
|
#=== flags and paths for Linux =================================================
|
|
|
|
|
|
ifeq ($(system), Linux)
|
|
prefix = /usr/local
|
|
libdir := $(prefix)/lib
|
|
pkglibdir = $(libdir)/pd-externals
|
|
pdincludepath := $(wildcard /usr/include/pd)
|
|
extension = pd_linux
|
|
cpp.flags := -DUNIX
|
|
c.flags := -fPIC
|
|
c.ldflags := -rdynamic -shared -fPIC -Wl,-rpath,"\$$ORIGIN",--enable-new-dtags
|
|
c.ldlibs := -lc -lm
|
|
cxx.flags := -fPIC -fcheck-new
|
|
cxx.ldflags := -rdynamic -shared -fPIC -Wl,-rpath,"\$$ORIGIN",--enable-new-dtags
|
|
cxx.ldlibs := -lc -lm -lstdc++
|
|
shared.extension = so
|
|
shared.ldflags := -rdynamic -fPIC -shared -Wl,-soname,$(shared.lib)
|
|
endif
|
|
|
|
|
|
#=== flags and paths for Darwin ================================================
|
|
|
|
|
|
# On OSX we try to build fat binaries by default. It is assumed that OSX i386
|
|
# can build for ppc and OSX x86_64 can't. TODO: try to refine this condition.
|
|
# LLVM-clang doesn't support -fcheck-new, therefore this flag is omitted for
|
|
# OSX x86_64.
|
|
|
|
|
|
ifeq ($(system), Darwin)
|
|
pkglibdir = $(HOME)/Library/Pd
|
|
pdincludepath := $(firstword $(wildcard \
|
|
/Applications/Pd*.app/Contents/Resources/src))
|
|
extension = pd_darwin
|
|
cpp.flags := -DUNIX -DMACOSX -I /sw/include
|
|
c.flags :=
|
|
c.ldflags := -undefined suppress -flat_namespace -bundle
|
|
c.ldlibs := -lc
|
|
cxx.ldflags := -undefined suppress -flat_namespace -bundle
|
|
cxx.ldlibs := -lc
|
|
shared.extension = dylib
|
|
shared.ldflags = -dynamiclib -undefined dynamic_lookup \
|
|
-install_name @loader_path/$(shared.lib) \
|
|
-compatibility_version 1 -current_version 1.0
|
|
version.flag := $(filter $(cflags), -mmacosx-version-min=%)
|
|
ifeq ($(target.arch), i386)
|
|
cxx.flags := -fcheck-new
|
|
arch := ppc i386 x86_64
|
|
version.flag ?= -mmacosx-version-min=10.4
|
|
endif
|
|
ifeq ($(target.arch), x86_64)
|
|
arch := i386 x86_64
|
|
version.flag ?= -mmacosx-version-min=10.5
|
|
endif
|
|
arch.c.flags := $(addprefix -arch , $(arch)) $(version.flag)
|
|
arch.ld.flags := $(arch.c.flags)
|
|
endif
|
|
|
|
|
|
#=== flags and paths for Windows ===============================================
|
|
|
|
|
|
# Standard paths on Windows contain spaces, and GNU make functions treat such
|
|
# paths as lists, with unintended effects. Therefore we must use shell function
|
|
# ls instead of make's wildcard when probing for a path, and use double quotes
|
|
# when specifying a path in a command argument.
|
|
|
|
# Default paths in Mingw / Mingw-w64 environments. 'PROGRAMFILES' is standard
|
|
# location for builds with native architecture, 'ProgramFiles(x86)' for i686
|
|
# builds on x86_64 Windows (detection method by Lucas Cordiviola). Curly braces
|
|
# required because of parentheses in variable name.
|
|
ifeq ($(system), Windows)
|
|
pkglibdir := $(APPDATA)/Pd
|
|
ifeq ($(MINGW_CHOST), i686-w64-mingw32)
|
|
programfiles := ${ProgramFiles(x86)}
|
|
else
|
|
programfiles := $(PROGRAMFILES)
|
|
endif
|
|
pdbinpath := $(programfiles)/Pd/bin
|
|
pdincludepath := $(programfiles)/Pd/src
|
|
endif
|
|
|
|
# Store default path to pd.dll in PDBINDIR if the latter is not user-defined.
|
|
# For include path this is done in the platform-independent paths section below,
|
|
# but for PDBINDIR it is done here so ld flags can be evaluated as immediate
|
|
# variables.
|
|
ifeq ($(system), Windows)
|
|
ifdef PDDIR
|
|
PDBINDIR := $(PDDIR)/bin
|
|
endif
|
|
PDBINDIR ?= $(pdbinpath)
|
|
endif
|
|
|
|
# TODO: decide whether -mms-bitfields should be specified.
|
|
ifeq ($(system), Windows)
|
|
cpp.flags := -DMSW -DNT
|
|
ifeq ($(filter i%86 mingw32, $(target.arch)), $(target.arch))
|
|
arch.c.flags := -march=pentium4 -msse -msse2 -mfpmath=sse
|
|
else ifeq (x86_64, $(target.arch))
|
|
cpp.flags := -DMSW -DNT -DPD_LONGINTTYPE=__int64
|
|
arch.c.flags := -march=core2 -msse -msse2 -msse3 -mfpmath=sse
|
|
else
|
|
arch.c.flags =
|
|
endif
|
|
extension = dll
|
|
c.flags :=
|
|
c.ldflags := -static-libgcc -shared \
|
|
-Wl,--enable-auto-import "$(PDBINDIR)/pd.dll"
|
|
c.ldlibs :=
|
|
cxx.flags := -fcheck-new
|
|
cxx.ldflags := -static-libgcc -static-libstdc++ -shared \
|
|
-Wl,--enable-auto-import "$(PDBINDIR)/pd.dll"
|
|
cxx.ldlibs :=
|
|
shared.extension = dll
|
|
shared.ldflags := -static-libgcc -shared "$(PDBINDIR)/pd.dll"
|
|
stripflags = --strip-all
|
|
endif
|
|
|
|
|
|
#=== paths =====================================================================
|
|
|
|
|
|
# Platform-dependent default paths are specified above, but overridable.
|
|
# Path variables in upper case can be defined as make command argument or in the
|
|
# environment. Variable 'objectsdir' is supported for compatibility with
|
|
# the build system that pd-l2ork has inherited from pd-extended.
|
|
|
|
PDINCLUDEDIR ?= $(pdincludepath)
|
|
PDLIBDIR ?= $(firstword $(objectsdir) $(pkglibdir))
|
|
|
|
ifdef PDDIR
|
|
PDINCLUDEDIR := $(wildcard $(PDDIR)/src)
|
|
endif
|
|
|
|
# base path where all components of the lib will be installed by default
|
|
installpath := $(DESTDIR)$(PDLIBDIR)/$(lib.name)
|
|
|
|
# check if include path contains spaces (as is often the case on Windows)
|
|
# if so, store the path so we can later do checks with it
|
|
pdincludepathwithspaces := $(if $(word 2, $(PDINCLUDEDIR)), $(PDINCLUDEDIR))
|
|
|
|
|
|
#=== accumulated build flags ===================================================
|
|
|
|
|
|
# From GNU make docs: 'Users expect to be able to specify CFLAGS freely
|
|
# themselves.' So we use CFLAGS to define options which are not strictly
|
|
# required for compilation: optimizations, architecture specifications, and
|
|
# warnings. CFLAGS can be safely overriden using a make command argument.
|
|
# Variables cflags, ldflags and ldlibs may be defined in including makefile.
|
|
|
|
optimization.flags = -O3 -ffast-math -funroll-loops -fomit-frame-pointer
|
|
warn.flags = -Wall -Wextra -Wshadow -Winline -Wstrict-aliasing
|
|
|
|
# suppress -Wunused-variable & Co if you don't want to clutter a build log
|
|
ifdef suppress-wunused
|
|
warn.flags += $(addprefix -Wno-unused-, function parameter value variable)
|
|
endif
|
|
|
|
CFLAGS = $(warn.flags) $(optimization.flags) $(arch.c.flags)
|
|
|
|
# preprocessor flags
|
|
cpp.flags := -DPD -I "$(PDINCLUDEDIR)" $(cpp.flags) $(CPPFLAGS)
|
|
|
|
# flags for dependency checking (cflags from makefile may define -I options)
|
|
depcheck.flags := $(cpp.flags) $(cflags)
|
|
|
|
# architecture specifications for linker are overridable by LDFLAGS
|
|
LDFLAGS := $(arch.ld.flags)
|
|
|
|
# now add the same ld flags to shared dynamic lib
|
|
shared.ldflags := $(shared.ldflags) $(LDFLAGS)
|
|
|
|
# accumulated flags for C compiler / linker
|
|
c.flags := $(cpp.flags) $(c.flags) $(cflags) $(CFLAGS)
|
|
c.ldflags := $(c.ldflags) $(ldflags) $(LDFLAGS)
|
|
c.ldlibs := $(c.ldlibs) $(ldlibs)
|
|
|
|
# accumulated flags for C++ compiler / linker
|
|
cxx.flags := $(cpp.flags) $(cxx.flags) $(cflags) $(CFLAGS)
|
|
cxx.ldflags := $(cxx.ldflags) $(ldflags) $(LDFLAGS)
|
|
cxx.ldlibs := $(cxx.ldlibs) $(ldlibs)
|
|
|
|
|
|
################################################################################
|
|
### variables: tools ###########################################################
|
|
################################################################################
|
|
|
|
|
|
# aliases so we can later define 'compile-$1' and set 'c' or 'cxx' as argument
|
|
compile-c := $(CC)
|
|
compile-cxx := $(CXX)
|
|
|
|
|
|
################################################################################
|
|
### checks #####################################################################
|
|
################################################################################
|
|
|
|
|
|
# At this point most variables are defined. Now do some checks and info's
|
|
# before rules begin.
|
|
|
|
# 'forward declaration' of default target, needed to do checks
|
|
all:
|
|
|
|
# To avoid unpredictable results, make sure the default target is not redefined
|
|
# by including makefile.
|
|
ifneq ($(.DEFAULT_GOAL), all)
|
|
$(error Default target must be 'all'.)
|
|
endif
|
|
|
|
# find out which target(s) will be made
|
|
ifdef MAKECMDGOALS
|
|
goals := $(MAKECMDGOALS)
|
|
else
|
|
goals := all
|
|
endif
|
|
|
|
# store path to Pd API m_pd.h if it is found
|
|
ifdef PDINCLUDEDIR
|
|
mpdh := $(shell ls "$(PDINCLUDEDIR)/m_pd.h")
|
|
endif
|
|
|
|
# store path to pd.dll; if not found, ls will give a useful error
|
|
ifeq ($(system), Windows)
|
|
pddll := $(shell ls "$(PDBINDIR)/pd.dll")
|
|
endif
|
|
|
|
# print Makefile.pdlibbuilder version
|
|
$(info ++++ info: using Makefile.pdlibbuilder version $(version))
|
|
|
|
# when making target all, check if m_pd.h is found and print info about it
|
|
ifeq ($(goals), all)
|
|
$(if $(mpdh), \
|
|
$(info ++++ info: using Pd API $(mpdh)), \
|
|
$(warning Where is Pd API m_pd.h? Do 'make help' for info.))
|
|
endif
|
|
|
|
# print target info
|
|
$(info ++++ info: making target $(goals) $(if $(lib.name),in lib $(lib.name)))
|
|
|
|
# when installing, print installpath info
|
|
$(if $(filter install install-lib, $(goals)), $(info ++++ info: \
|
|
installpath is '$(installpath)'))
|
|
|
|
|
|
#=== define executables ========================================================
|
|
|
|
|
|
# By default we build class executables, and optionally a shared dynamic link
|
|
# lib. When make-lib-executable=yes we build all classes into a single lib
|
|
# executable, on the condition that variable lib.setup.sources is defined.
|
|
|
|
ifeq ($(make-lib-executable),yes)
|
|
$(if $(lib.setup.sources), ,\
|
|
$(error Can not build library blob because lib.setup.sources is undefined))
|
|
executables := $(lib.name).$(extension)
|
|
else
|
|
executables := $(classes.executables) $(shared.lib)
|
|
endif
|
|
|
|
|
|
################################################################################
|
|
### rules: special targets #####################################################
|
|
################################################################################
|
|
|
|
|
|
# Disable built-in rules. If some target can't be built with the specified
|
|
# rules, it should not be built at all.
|
|
MAKEFLAGS += --no-builtin-rules
|
|
|
|
.PRECIOUS:
|
|
.SUFFIXES:
|
|
.PHONY: all post build-lib \
|
|
$(classes) $(makefiledirs) $(makefiles) \
|
|
install install-executables install-datafiles install-datadirs \
|
|
force clean vars allvars depend help
|
|
|
|
|
|
################################################################################
|
|
### rules: build targets #######################################################
|
|
################################################################################
|
|
|
|
|
|
# Target all forces the build of targets [$(executables) post] in
|
|
# deterministic order. Target $(executables) builds class executables plus
|
|
# optional shared lib or alternatively a single lib executable when
|
|
# make-lib-executable=true. Target post is optionally defined by
|
|
# library makefile.
|
|
|
|
all: post
|
|
post: $(executables)
|
|
|
|
all:
|
|
$(info ++++info: target all in lib $(lib.name) completed)
|
|
|
|
# build all with -g option turned on for debug symbols
|
|
alldebug: c.flags += -g
|
|
alldebug: cxx.flags += -g
|
|
alldebug: all
|
|
|
|
|
|
#=== class executable ==========================================================
|
|
|
|
|
|
# recipe for linking objects in class executable
|
|
# argument $1 = compiler type (c or cxx)
|
|
# argument $2 = class basename
|
|
define link-class
|
|
$(compile-$1) \
|
|
$($1.ldflags) $($2.class.ldflags) \
|
|
-o $2.$(extension) \
|
|
$(addsuffix .o, $(basename $($2.class.sources))) \
|
|
$(addsuffix .o, $(basename $(common.sources))) \
|
|
$($1.ldlibs) $($2.class.ldlibs) $(shared.lib)
|
|
endef
|
|
|
|
# general rule for linking object files in class executable
|
|
%.$(extension): $(shared.lib)
|
|
$(info ++++ info: linking objects in $@ for lib $(lib.name))
|
|
$(if $(filter %.cc %.cpp, $($*.class.sources)), \
|
|
$(call link-class,cxx,$*), \
|
|
$(call link-class,c,$*))
|
|
|
|
|
|
#=== library blob ==============================================================
|
|
|
|
|
|
# build all classes into single executable
|
|
build-lib: $(lib.name).$(extension)
|
|
$(info ++++ info: library blob $(lib.name).$(extension) completed)
|
|
|
|
# recipe for linking objects in lib executable
|
|
# argument $1 = compiler type (c or cxx)
|
|
define link-lib
|
|
$(compile-$1) \
|
|
$($1.ldflags) $(lib.ldflags) \
|
|
-o $(lib.name).$(extension) $(all.objects) \
|
|
$($1.ldlibs) $(lib.ldlibs)
|
|
endef
|
|
|
|
# rule for linking objects in lib executable
|
|
# declared conditionally to avoid name clashes
|
|
ifeq ($(make-lib-executable),yes)
|
|
$(lib.name).$(extension): $(all.objects)
|
|
$(if $(filter %.cc %.cpp, $(all.sources)), \
|
|
$(call link-lib,cxx), \
|
|
$(call link-lib,c))
|
|
endif
|
|
|
|
|
|
#=== shared dynamic lib ========================================================
|
|
|
|
|
|
# recipe for linking objects in shared executable
|
|
# argument $1 = compiler type (c or cxx)
|
|
define link-shared
|
|
$(compile-$1) \
|
|
$(shared.ldflags) \
|
|
-o lib$(lib.name).$(shared.extension) $(shared.objects) \
|
|
$($1.ldlibs) $(shared.ldlibs)
|
|
endef
|
|
|
|
# rule for linking objects in shared executable
|
|
# build recipe is in macro 'link-shared'
|
|
lib$(lib.name).$(shared.extension): $(shared.objects)
|
|
$(info ++++ info: linking objects in shared lib $@)
|
|
$(if $(filter %.cc %.cpp, $(shared.sources)), \
|
|
$(call link-shared,cxx), \
|
|
$(call link-shared,c))
|
|
|
|
|
|
#=== object files ==============================================================
|
|
|
|
|
|
# recipe to make .o file from source
|
|
# argument $1 is compiler type (c or cxx)
|
|
define make-object-file
|
|
$(info ++++ info: making $@ in lib $(lib.name))
|
|
$(compile-$1) \
|
|
$($1.flags) \
|
|
-o $@ -c $<
|
|
endef
|
|
|
|
# Three rules to create .o files. These are double colon 'terminal' rules,
|
|
# meaning they are the last in a rules chain.
|
|
|
|
%.o:: %.c
|
|
$(call make-object-file,c)
|
|
|
|
%.o:: %.cc
|
|
$(call make-object-file,cxx)
|
|
|
|
%.o:: %.cpp
|
|
$(call make-object-file,cxx)
|
|
|
|
|
|
#=== explicit prerequisites for class executables ==============================
|
|
|
|
|
|
# For class executables, prerequisite rules are declared in run time. Target
|
|
# 'depend' prints these rules for debugging purposes.
|
|
|
|
# declare explicit prerequisites rule like 'class: class.extension'
|
|
# argument $v is class basename
|
|
define declare-class-target
|
|
$v: $v.$(extension)
|
|
endef
|
|
|
|
# declare explicit prerequisites rule like 'class.extension: object1.o object2.o'
|
|
# argument $v is class basename
|
|
define declare-class-executable-target
|
|
$v.$(extension): $(addsuffix .o, $(basename $($v.class.sources))) \
|
|
$(addsuffix .o, $(basename $(common.sources)))
|
|
endef
|
|
|
|
# evaluate explicit prerequisite rules for all classes
|
|
$(foreach v, $(classes), $(eval $(declare-class-target)))
|
|
$(foreach v, $(classes), $(eval $(declare-class-executable-target)))
|
|
|
|
|
|
#=== implicit prerequisites for class executables ==============================
|
|
|
|
|
|
# Evaluating implicit prerequisites (header files) with help from the
|
|
# preprocessor is 'expensive' so this is done conditionally and selectively.
|
|
# Note that it is also possible to trigger a build via install targets, in
|
|
# which case implicit prerequisites are not checked.
|
|
|
|
# When the Pd include path contains spaces it will mess up the implicit
|
|
# prerequisites rules.
|
|
disable-dependency-tracking := $(strip $(pdincludepathwithspaces))
|
|
|
|
ifndef disable-dependency-tracking
|
|
must-build-everything := $(filter all, $(goals))
|
|
must-build-class := $(filter $(classes), $(goals))
|
|
must-build-sources := $(foreach v, $(must-build-class), $($v.class.sources))
|
|
endif
|
|
|
|
# declare implicit prerequisites rule like 'object.o: header1.h header2.h ...'
|
|
# argument $1 is input source file(s)
|
|
# dir is explicitly added because option -MM strips it by default
|
|
define declare-object-target
|
|
$(dir $1)$(filter %.o: %.h, $(shell $(CPP) $(depcheck.flags) -MM $1)) $(MAKEFILE_LIST)
|
|
endef
|
|
|
|
# evaluate implicit prerequisite rules when rebuilding everything
|
|
ifdef must-build-everything
|
|
$(if $(wildcard $(all.objects)), \
|
|
$(info ++++ info: evaluating implicit prerequisites in lib $(lib.name).....) \
|
|
$(foreach v, $(all.sources), $(eval $(call declare-object-target, $v))))
|
|
endif
|
|
|
|
# evaluate implicit prerequisite rules when selectively building classes
|
|
ifdef must-build-class
|
|
$(foreach v, $(must-build-sources), \
|
|
$(eval $(call declare-object-target, $v)))
|
|
$(foreach v, $(shared.sources), \
|
|
$(eval $(call declare-object-target, $v)))
|
|
endif
|
|
|
|
|
|
################################################################################
|
|
### rules: preprocessor and assembly files #####################################
|
|
################################################################################
|
|
|
|
|
|
# Preprocessor and assembly output files for bug tracing etc. They are not part
|
|
# of the build processes for executables. By default these files are created in
|
|
# the current working directory. Dependency tracking is not performed, the build
|
|
# is forced instead to make sure it's up to date.
|
|
|
|
force:
|
|
|
|
|
|
#=== preprocessor file =========================================================
|
|
|
|
|
|
# make preprocessor output file with extension .pre
|
|
# argument $1 = compiler type (c or cxx)
|
|
define make-preprocessor-file
|
|
$(info ++++ info: making preprocessor output file $(notdir $*.pre) \
|
|
in current working directory)
|
|
$(compile-$1) -E $< $(c.flags) $($1.flags) -o $(notdir $*.pre)
|
|
endef
|
|
|
|
%.pre:: %.c force
|
|
$(call make-preprocessor-file,c)
|
|
|
|
%.pre:: %.cc force
|
|
$(call make-preprocessor-file,cxx)
|
|
|
|
%.pre:: %.cpp force
|
|
$(call make-preprocessor-file,cxx)
|
|
|
|
|
|
#=== assembly file =============================================================
|
|
|
|
|
|
# make C / assembly interleaved output file with extension .lst
|
|
# argument $1 = compiler type (c or cxx)
|
|
define make-assembly-file
|
|
$(info ++++ info: making assembly output file $(notdir $*.lst) \
|
|
in current working directory)
|
|
$(compile-$1) \
|
|
-c -Wa,-a,-ad -fverbose-asm \
|
|
$($1.flags) \
|
|
$< > $(notdir $*.lst)
|
|
endef
|
|
|
|
%.lst:: %.c force
|
|
$(call make-assembly-file,c)
|
|
|
|
%.lst:: %.cc force
|
|
$(call make-assembly-file,cxx)
|
|
|
|
%.lst:: %.cpp force
|
|
$(call make-assembly-file,cxx)
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|
|
|
|
|
################################################################################
|
|
### rules: installation targets ################################################
|
|
################################################################################
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|
|
|
|
|
#=== strip =====================================================================
|
|
|
|
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|
# Stripping of installed binaries will only be done when variable 'stripflags'
|
|
# is defined non-empty. No default definition is provided except for Windows
|
|
# where the unstripped binaries are large, especially in the case of Mingw-w64.
|
|
|
|
# Note: while stripping all symbols ('-s' or '--strip-all') is possible for
|
|
# Linux and Windows, in the case of OSX only non-global symbols can be stripped
|
|
# (option '-x' or '--discard-all').
|
|
|
|
# Make definition of strip command overridable so it can be defined in an
|
|
# environment for cross-compilation.
|
|
STRIP ?= strip
|
|
|
|
# Commands in 'strip-executables' will be executed conditionally in the rule for
|
|
# target 'install-executables'.
|
|
strip-executables = cd "$(installpath)" && \
|
|
$(foreach v, $(executables), $(STRIP) $(stripflags) '$v';)
|
|
|
|
|
|
#=== install ===================================================================
|
|
|
|
|
|
# Install targets depend on successful exit status of target all because nothing
|
|
# must be installed in case of a build error.
|
|
|
|
# -p = preserve time stamps
|
|
# -m = set permission mode (as in chmod)
|
|
# -d = create all components of specified directories
|
|
INSTALL = install
|
|
INSTALL_PROGRAM := $(INSTALL) -p -m 644
|
|
INSTALL_DATA := $(INSTALL) -p -m 644
|
|
INSTALL_DIR := $(INSTALL) -m 755 -d
|
|
|
|
# strip spaces from file names
|
|
executables := $(strip $(executables))
|
|
datafiles := $(strip $(datafiles))
|
|
datadirs := $(strip $(datadirs))
|
|
|
|
# Do not make any install sub-target with empty variable definition because the
|
|
# install program would exit with an error.
|
|
install: $(if $(executables), install-executables)
|
|
install: $(if $(datafiles), install-datafiles)
|
|
install: $(if $(datadirs), install-datadirs)
|
|
|
|
install-executables: all
|
|
$(INSTALL_DIR) -v "$(installpath)"
|
|
$(foreach v, $(executables), \
|
|
$(INSTALL_PROGRAM) '$v' "$(installpath)";)
|
|
$(info ++++ info: executables of lib $(lib.name) installed \
|
|
from $(CURDIR) to $(installpath))
|
|
$(if $(stripflags), $(strip-executables),)
|
|
|
|
install-datafiles: all
|
|
$(INSTALL_DIR) -v "$(installpath)"
|
|
$(foreach v, $(datafiles), \
|
|
$(INSTALL_DATA) '$(v)' "$(installpath)";)
|
|
$(info ++++ info: data files of lib $(lib.name) installed \
|
|
from $(CURDIR) to $(installpath))
|
|
|
|
install-datadirs: all
|
|
$(foreach v, $(datadirs), $(INSTALL_DIR) "$(installpath)/$v";)
|
|
$(foreach v, $(datadirs), \
|
|
$(INSTALL_DATA) $(wildcard $v/*) "$(installpath)/$v";)
|
|
$(info ++++ info: data directories of lib $(lib.name) installed \
|
|
from $(CURDIR) to $(installpath))
|
|
|
|
|
|
################################################################################
|
|
### rules: distribution targets ################################################
|
|
################################################################################
|
|
|
|
|
|
# TODO
|
|
# These targets are implemented in Makefile Template, but I have to figure out
|
|
# how to do it under the not-so-strict conditions of Makefile.pdlibbuilder.
|
|
|
|
# make source package
|
|
dist:
|
|
@echo "target dist not yet implemented"
|
|
|
|
# make Debian source package
|
|
dpkg-source:
|
|
@echo "target dpkg-source not yet implemented"
|
|
|
|
$(ORIGDIR):
|
|
|
|
$(DISTDIR):
|
|
|
|
|
|
################################################################################
|
|
### rules: clean targets #######################################################
|
|
################################################################################
|
|
|
|
|
|
# delete build products from build tree
|
|
clean:
|
|
rm -f $(all.objects)
|
|
rm -f $(classes.executables) $(lib.name).$(extension) $(shared.lib)
|
|
rm -f *.pre *.lst
|
|
|
|
# remove distribution directories and tarballs from build tree
|
|
distclean: clean
|
|
@echo "target distclean not yet implemented"
|
|
|
|
|
|
################################################################################
|
|
### rules: submake targets #####################################################
|
|
################################################################################
|
|
|
|
|
|
# Iterate over sub-makefiles or makefiles in other directories.
|
|
|
|
# When 'continue-make=yes' is set, sub-makes will report 'true' to the parent
|
|
# process regardless of their real exit status. This prevents the parent make
|
|
# from being aborted by a sub-make error. Useful when you want to quickly find
|
|
# out which sub-makes from a large set will succeed.
|
|
ifeq ($(continue-make),yes)
|
|
continue = || true
|
|
endif
|
|
|
|
# These targets will trigger sub-make processes for entries in 'makefiledirs'
|
|
# and 'makefiles'.
|
|
all alldebug install clean distclean dist dkpg-source: \
|
|
$(makefiledirs) $(makefiles)
|
|
|
|
# this expands to identical rules for each entry in 'makefiledirs'
|
|
$(makefiledirs):
|
|
$(MAKE) --directory=$@ $(MAKECMDGOALS) $(continue)
|
|
|
|
# this expands to identical rules for each entry in 'makefiles'
|
|
$(makefiles):
|
|
$(MAKE) --directory=$(dir $@) --makefile=$(notdir $@) $(MAKECMDGOALS) $(continue)
|
|
|
|
|
|
################################################################################
|
|
### rules: convenience targets #################################################
|
|
################################################################################
|
|
|
|
|
|
#=== show variables ============================================================
|
|
|
|
|
|
# Several 'function' macro's cause errors when expanded within a rule or without
|
|
# proper arguments. Variables which are set with the define directive are only
|
|
# shown by name for that reason.
|
|
functions = \
|
|
add-class-source \
|
|
declare-class-target \
|
|
declare-class-executable-target \
|
|
declare-object-target \
|
|
link-class \
|
|
link-lib \
|
|
link-shared \
|
|
make-object-file \
|
|
make-preprocessor-file \
|
|
make-assembly-file
|
|
|
|
|
|
# show variables from makefiles
|
|
vars:
|
|
$(info ++++ info: showing makefile variables:)
|
|
$(foreach v,\
|
|
$(sort $(filter-out $(functions) functions, $(.VARIABLES))),\
|
|
$(if $(filter file, $(origin $v)),\
|
|
$(info variable $v = $($v))))
|
|
$(foreach v, $(functions), $(info 'function' name: $v))
|
|
@echo
|
|
|
|
# show all variables
|
|
allvars:
|
|
$(info ++++ info: showing default, automatic and makefile variables:)
|
|
$(foreach v, \
|
|
$(sort $(filter-out $(functions) functions, $(.VARIABLES))), \
|
|
$(info variable ($(origin $v)) $v = $($v)))
|
|
$(foreach v, $(functions), $(info 'function' name: $v))
|
|
@echo
|
|
|
|
|
|
#=== show dependencies =========================================================
|
|
|
|
|
|
# show generated prerequisites rules
|
|
depend:
|
|
$(info ++++ info: generated prerequisite rules)
|
|
$(foreach v, $(classes), $(info $(declare-class-target)))
|
|
$(foreach v, $(classes), $(info $(declare-class-executable-target)))
|
|
$(foreach v, $(all.sources), $(info $(call declare-object-target, $v)))
|
|
@echo
|
|
|
|
|
|
#=== show help text ============================================================
|
|
|
|
|
|
# brief info about targets and paths
|
|
|
|
ifdef mpdh
|
|
mpdhinfo := $(mpdh)
|
|
else
|
|
mpdhinfo := m_pd.h was not found. Is Pd installed?
|
|
endif
|
|
|
|
help:
|
|
@echo
|
|
@echo " Main targets:"
|
|
@echo " all: build executables (default target)"
|
|
@echo " install: install all components of the library"
|
|
@echo " vars: print makefile variables for troubleshooting"
|
|
@echo " allvars: print all variables for troubleshooting"
|
|
@echo " help: print this help text"
|
|
@echo
|
|
@echo " Pd API m_pd.h:"
|
|
@echo " $(mpdhinfo)"
|
|
@echo " You may specify your preferred Pd include directory as argument"
|
|
@echo " to the make command, like 'PDINCLUDEDIR=path/to/pd/src'."
|
|
@echo
|
|
@echo " Path for installation of your libdir(s):"
|
|
@echo " $(PDLIBDIR)"
|
|
@echo " Alternatively you may specify your path for installation as argument"
|
|
@echo " to the make command, like 'PDLIBDIR=path/to/pd-externals'."
|
|
@echo
|
|
@echo " Default paths are listed in the doc sections in Makefile.pdlibbuilder."
|
|
@echo
|
|
|
|
|
|
#=== dummy target ==============================================================
|
|
|
|
|
|
coffee:
|
|
@echo "Makefile.pdlibbuilder: Can not make coffee. Sorry."
|
|
|
|
|
|
################################################################################
|
|
### end of rules sections ######################################################
|
|
################################################################################
|
|
|
|
|
|
# for syntax highlighting in vim and github
|
|
# vim: set filetype=make:
|
|
|