share/mk/cython.mk

   1 # RCSid:
   2 #       $Id: cython.mk,v 1.6 2014/10/15 06:23:51 sjg Exp $
   3 #
   4 #       @(#) Copyright (c) 2014, Simon J. Gerraty
   5 #
   6 #       This file is provided in the hope that it will
   7 #       be of use.  There is absolutely NO WARRANTY.
   8 #       Permission to copy, redistribute or otherwise
   9 #       use this file is hereby granted provided that
  10 #       the above copyright notice and this notice are
  11 #       left intact.
  12 #
  13 #       Please send copies of changes and bug-fixes to:
  14 #       sjg@crufty.net
  15 #
  16
  17 # this is what we build
  18 CYTHON_MODULE = ${CYTHON_MODULE_NAME}${CYTHON_PYVERSION}.so
  19
  20 CYTHON_MODULE_NAME?= it
  21 CYTHON_SRCS?= ${CYTHON_MODULE_NAME}.pyx
  22
  23 # this is where we save generated src
  24 CYTHON_SAVEGENDIR?= ${.CURDIR}/gen
  25
  26 # pyprefix is where python bits are
  27 # which may not be where we want to put ours (prefix)
  28 .if exists(/usr/pkg/include)
  29 pyprefix?= /usr/pkg
  30 .endif
  31 pyprefix?= /usr/local
  32
  33 PYTHON_VERSION?= 2.7
  34 PYTHON_H?= ${pyprefix}/include/python${PYTHON_VERSION}/Python.h
  35 PYVERSION:= ${PYTHON_VERSION:C,\..*,,}
  36
  37 # set this empty if you don't want to handle multiple versions
  38 .if !defined(CYTHON_PYVERSION)
  39 CYTHON_PYVERSION:= ${PYVERSION}
  40 .endif
  41
  42 CFLAGS+= -I${PYTHON_H:H}
  43
  44 CYTHON_GENSRCS= ${CYTHON_SRCS:R:S,$,${CYTHON_PYVERSION}.c,}
  45 SRCS+= ${CYTHON_GENSRCS}
  46
  47 .SUFFIXES: .pyx .c .So
  48
  49 CYTHON?= ${pyprefix}/bin/cython
  50
  51 # if we don't have cython we can use pre-generated srcs
  52 .if ${type ${CYTHON} 2> /dev/null || echo:L:sh:M/*} == ""
  53 .PATH: ${CYTHON_SAVEGENDIR}
  54 .else
  55
  56 .if !empty(CYTHON_PYVERSION)
  57 .for c in ${CYTHON_SRCS}
  58 ${c:R}${CYTHON_PYVERSION}.${c:E}: $c
  59         ln -sf ${.ALLSRC:M*pyx} ${.TARGET}
  60 .endfor
  61 .endif
  62
  63 .pyx.c:
  64         ${CYTHON} ${CYTHON_FLAGS} -${PYVERSION} -o ${.TARGET} ${.IMPSRC}
  65
  66
  67 save-gen: ${CYTHON_GENSRCS}
  68         mkdir -p ${CYTHON_SAVEGENDIR}
  69         cp -p ${.ALLSRC} ${CYTHON_SAVEGENDIR}
  70
  71 .endif
  72
  73 COMPILE.c?= ${CC} -c ${CFLAGS}
  74
  75 .c.So:
  76         ${COMPILE.c} ${PICFLAG} ${CC_PIC} ${.IMPSRC} -o ${.TARGET}
  77
  78 ${CYTHON_MODULE}: ${SRCS:S,.c,.So,}
  79         ${CC} ${CC_SHARED:U-shared} -o ${.TARGET} ${.ALLSRC:M*.So} ${LDADD}
  80
  81 # conf.host_target() is limited to uname -m rather than uname -p
  82 _HOST_MACHINE!= uname -m
  83 .if ${HOST_TARGET:M*${_HOST_MACHINE}} == ""
  84 PY_HOST_TARGET:= ${HOST_TARGET:S,${_HOST_ARCH:U${uname -p:L:sh}}$,${_HOST_MACHINE},}
  85 .endif
  86
  87 MODULE_BINDIR?= ${.CURDIR:H}/${PY_HOST_TARGET:U${HOST_TARGET}}
  88
  89 build-cython-module: ${CYTHON_MODULE}
  90
  91 install-cython-module: ${CYTHON_MODULE}
  92         ${INSTALL} -d ${DESTDIR}${MODULE_BINDIR}
  93         ${INSTALL} -m 755 ${.ALLSRC} ${DESTDIR}${MODULE_BINDIR}
  94
  95 CLEANFILES+= *.So ${CYTHON_MODULE}