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Diff for /pkgsrc/mk/pthread.buildlink3.mk between version 1.20 and 1.21

version 1.20, 2005/04/13 16:16:50 version 1.21, 2005/11/04 14:36:23
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 # $NetBSD$  # $NetBSD$
 #  #
 # The pthreads strategy for pkgsrc is to "bless" a particular pthread  # The pthreads strategy for pkgsrc is to "bless" a particular pthread
 # package as the Official Pthread Replacement (OPR).  A package that uses  # package as the Official Pthread Replacement (OPR).  The following
 # pthreads may do one of the following:  # variables may be set before including this file:
 #  #
 #   (1) Simply include pthread.buildlink3.mk.  This will make the package  # PTHREAD_OPTS?= # empty
 #       use the native pthread library if it's available, or else the OPR  #       A list of options to configure the search for a suitable pthreads
 #       package.  The value of PTHREAD_TYPE may be checked to be either  #       implementation.
 #       "native", or the name of the OPR package, or "none", e.g.  
 #  #
 #       #  #       "native" means that only a native pthreads implementation is
 #       # package Makefile stuff...  #               acceptable.
 #       #  
 #       .include "../../mk/pthread.buildlink3.mk"  
 #  #
 #       .if defined(PTHREAD_TYPE) && ${PTHREAD_TYPE} == "none"  #       "optional" will override the effects of any instance of
 #       CONFIGURE_ARGS+=        --without-pthreads  #               "require".  This should _only_ be used by those packages
 #       .endif  #               that can be built with or without pthreads independently
   #               of whether any of its dependencies need pthreads.
   #               Currently, this is only www/mozilla, which uses its own
   #               threading library if native pthreads are unavailable,
   #               despite that it uses GTK+, which _does_ need pthreads.
 #  #
 #       .include "../../mk/bsd.pkg.mk"  #       "require" means that the package is skipped silently when no
   #               implementation can be found.
 #  #
 #       Note that it's only safe to check and use the value of PTHREAD_TYPE  #       By default, the native pthreads implementation is used if it's
 #       after all other buildlink3.mk files have been included.  #       available. Otherwise the OPR is used.
 #  #
 #   (2) Add "native" to PTHREAD_OPTS prior to including  # PTHREAD_AUTO_VARS?= no
 #       pthread.buildlink3.mk.  This is like case (1), but we only check for  #       This variable specifies whether the values of the variables
 #       the native pthread library, e.g.,  #       PTHREAD_{CFLAGS,CPPFLAGS,LDFLAGS,LIBS} should be automatically
   #       added to their respective variables.
 #  #
 #       PTHREAD_OPTS+=  native  # After inclusion of this file, the following variables may be examined:
 #       #  
 #       # package Makefile stuff...  
 #       #  
 #       .include "../../mk/pthread.buildlink3.mk"  
 #  #
 #       .if defined(PTHREAD_TYPE) && ${PTHREAD_TYPE} == "none"  # PTHREAD_TYPE
 #       CONFIGURE_ARGS+=        --without-pthreads  #       The type of pthreads implementation that has been found.
 #       .endif  
 #  #
 #       .include "../../mk/bsd.pkg.mk"  #       "native" means that the native pthreads implementation is used.
 #  #
 #   (3) Add "require" to PTHREAD_OPTS prior to including  #       "none" means that no suitable pthreads implementation could be
 #       pthread.buildlink3.mk.  This will make the package use the native  #               found.
 #       pthread library or else use the OPR package, and will otherwise set  
 #       PKG_SKIP_REASON if neither can be used, e.g.,  
 #  #
 #       PTHREAD_OPTS+=  require  #       Any other value is the name of the package that is used as the
 #       #  #       pthread implementation.
 #       # package Makefile stuff...  
 #       #  
 #       .include "../../mk/pthread.buildlink3.mk"  
 #       .include "../../mk/bsd.pkg.mk"  
 #  
 #   (4) Add both "require" and "native" to PTHREAD_OPTS prior to including  
 #       pthread.buildlink3.mk.  This is like case (3), but we only check for  
 #       the native pthread library, e.g.,  
 #  #
 #       PTHREAD_OPTS+=  require native  #       Note that it's only safe to check and use the value of PTHREAD_TYPE
 #       #  #       after all other buildlink3.mk files have been included.
 #       # more package Makefile stuff...  
 #       #  
 #       .include "../../mk/pthread.buildlink3.mk"  
 #       .include "../../mk/bsd.pkg.mk"  
 #  #
 # The case where a package must use either the native pthread library or  # The case where a package must use either the native pthread library or
 # some pthread package aside from the OPR is a special case of (2), e.g.,  # some pthread package aside from the OPR (e.g. "ptl2") can be solved as
 # if the required pthread package is "ptl2", then:  # follows:
 #  #
 #       PTHREAD_OPTS+=  native  #       PTHREAD_OPTS+=  native
 #       #  #       #
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 #       .endif  #       .endif
 #  #
 #       .include "../../mk/bsd.pkg.mk"  #       .include "../../mk/bsd.pkg.mk"
 #  
 # A package Makefile may add the word "optional" to PTHREAD_OPTS, which  
 # will override the effects of any instance of the word "require".  This  
 # should _only_ be used by those packages that can be built with or  
 # without pthreads _independently_ of whether any of its dependencies need  
 # pthreads.  Currently, this only only www/mozilla, which uses its own  
 # threading library if native pthreads is unavailable, despite that it  
 # uses GTK+, which _does_ need pthreads.  
 #  
 ###########################################################################  
 #  
 # PTHREAD_OPTS represents whether this package requires pthreads, and also  
 #       whether it needs to be native.  It may include the word "require"  
 #       to denote that a pthreads implementation is required, and may also  
 #       include the word "native" to denote that only native pthreads are  
 #       acceptable.  
 #  
 # PTHREAD_AUTO_VARS is "yes" or "no" for whether the values of the variables  
 #       PTHREAD_{CFLAGS,CPPFLAGS,LDFLAGS,LIBS} should be automatically added  
 #       to their respective variables.  Defaults to "no".  
 #  
 # _PKG_PTHREAD is the fall-back package pthread implementation use by  
 #       pthread.buildlink3.mk.  
 #  
 # _PKG_PTHREAD_COMPAT_PATTERNS matches the ONLY_FOR_PLATFORMS from the  
 #       Makefile for ${_PKG_PTHREAD}.  It's used to see if ${_PKG_PTHREADS}  
 #       can actually be used to replace a native pthreads.  
 #  
 PTHREAD_BUILDLINK3_MK:= ${PTHREAD_BUILDLINK3_MK}+  PTHREAD_BUILDLINK3_MK:= ${PTHREAD_BUILDLINK3_MK}+
   
   # The fall-back package pthread implementation
 _PKG_PTHREAD?=                  pth  _PKG_PTHREAD?=                  pth
 _PKG_PTHREAD_DEPENDS?=          pth>=2.0.0  _PKG_PTHREAD_DEPENDS?=          pth>=2.0.0
 _PKG_PTHREAD_PKGSRCDIR?=        ../../devel/${_PKG_PTHREAD}  _PKG_PTHREAD_PKGSRCDIR?=        ../../devel/${_PKG_PTHREAD}
 _PKG_PTHREAD_BUILDLINK3_MK?=    ${_PKG_PTHREAD_PKGSRCDIR}/buildlink3.mk  _PKG_PTHREAD_BUILDLINK3_MK?=    ${_PKG_PTHREAD_PKGSRCDIR}/buildlink3.mk
   
   # _PKG_PTHREAD_COMPAT_PATTERNS matches the ONLY_FOR_PLATFORMS from the
   # Makefile for ${_PKG_PTHREAD}.  It is used to see if ${_PKG_PTHREADS}
   # can actually be used to replace a native pthreads.
 _PKG_PTHREAD_COMPAT_PATTERNS=   *-*-*  _PKG_PTHREAD_COMPAT_PATTERNS=   *-*-*
   
 .include "../../mk/bsd.prefs.mk"  .include "../../mk/bsd.prefs.mk"
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