166 lines
5.7 KiB
Makefile
166 lines
5.7 KiB
Makefile
# $NetBSD: pthread.buildlink3.mk,v 1.33 2019/06/30 21:28:28 rillig Exp $
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#
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# The pthreads strategy for pkgsrc is to "bless" a particular pthread
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# package as the Official Pthread Replacement (OPR). The following
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# variables may be set before including this file:
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#
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# PTHREAD_OPTS?= # empty
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# A list of options to configure the search for a suitable pthreads
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# implementation.
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#
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# "native" means that only a native pthreads implementation is
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# acceptable.
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#
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# "optional" will override the effects of any instance of
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# "require". This should _only_ be used by those packages
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# that can be built with or without pthreads independently
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# of whether any of its dependencies need pthreads.
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# Currently, this is only www/mozilla, which uses its own
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# threading library if native pthreads are unavailable,
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# despite that it uses GTK+, which _does_ need pthreads.
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#
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# "require" means that the package is skipped silently when no
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# implementation can be found.
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#
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# By default, the native pthreads implementation is used if it's
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# available. Otherwise the OPR is used.
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#
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# PTHREAD_AUTO_VARS?= no
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# This variable specifies whether the values of the variables
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# PTHREAD_{CFLAGS,CPPFLAGS,LDFLAGS,LIBS} should be automatically
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# added to their respective variables.
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#
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# After inclusion of this file, the following variables may be examined:
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#
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# PTHREAD_TYPE
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# The type of pthreads implementation that has been found.
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#
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# "native" means that the native pthreads implementation is used.
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#
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# "none" means that no suitable pthreads implementation could be
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# found.
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#
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# Any other value is the name of the package that is used as the
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# pthread implementation.
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#
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# Note that it's only safe to check and use the value of PTHREAD_TYPE
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# after all other buildlink3.mk files have been included.
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#
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# The case where a package must use either the native pthread library or
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# some pthread package aside from the OPR (e.g. "ptl2") can be solved as
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# follows:
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#
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# PTHREAD_OPTS+= native
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# #
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# # more package Makefile stuff...
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# #
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# .include "../../mk/pthread.buildlink3.mk"
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#
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# .if defined(PTHREAD_TYPE) && ${PTHREAD_TYPE} == "none"
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# . include "../../devel/ptl2/buildlink3.mk"
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# .endif
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#
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# .include "../../mk/bsd.pkg.mk"
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PTHREAD_BUILDLINK3_MK:= ${PTHREAD_BUILDLINK3_MK}+
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_VARGROUPS+= pthread
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_PKG_VARS.pthread= PTHREAD_OPTS PTHREAD_AUTO_VARS
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_SYS_VARS.pthread= PTHREAD_TYPE PTHREAD_CFLAGS PTHREAD_LDFLAGS PTHREAD_LIBS
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# The fall-back package pthread implementation
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_PKG_PTHREAD?= pth
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_PKG_PTHREAD_DEPENDS?= pth>=2.0.0
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_PKG_PTHREAD_PKGSRCDIR?= ../../devel/${_PKG_PTHREAD}
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_PKG_PTHREAD_BUILDLINK3_MK?= ${_PKG_PTHREAD_PKGSRCDIR}/buildlink3.mk
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# _PKG_PTHREAD_COMPAT_PATTERNS matches the ONLY_FOR_PLATFORMS from the
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# Makefile for ${_PKG_PTHREAD}. It is used to see if ${_PKG_PTHREADS}
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# can actually be used to replace a native pthreads.
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_PKG_PTHREAD_COMPAT_PATTERNS= *-*-*
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.include "bsd.fast.prefs.mk"
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PTHREAD_OPTS?= # empty
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CHECK_BUILTIN.pthread:= yes
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.include "pthread.builtin.mk"
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CHECK_BUILTIN.pthread:= no
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#
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# Set the value of PTHREAD_TYPE depending on the platform and what's
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# available in the base system.
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#
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.undef PTHREAD_TYPE
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.if defined(USE_BUILTIN.pthread) && \
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!empty(USE_BUILTIN.pthread:M[yY][eE][sS]) && \
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!empty(PREFER_NATIVE_PTHREADS:M[yY][eE][sS])
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PTHREAD_TYPE= native
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.else
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. if !empty(PTHREAD_OPTS:Mnative)
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PTHREAD_TYPE= none
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. if !empty(PTHREAD_OPTS:Mrequire) && empty(PTHREAD_OPTS:Moptional)
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PKG_SKIP_REASON+= "${PKGNAME} requires a native pthreads implementation."
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. endif
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. else
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PTHREAD_TYPE= none
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. for _pattern_ in ${_PKG_PTHREAD_COMPAT_PATTERNS}
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. if !empty(MACHINE_PLATFORM:M${_pattern_})
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PTHREAD_TYPE= ${_PKG_PTHREAD}
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. endif
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. endfor
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. if ${PTHREAD_TYPE} == "none" && \
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!empty(PTHREAD_OPTS:Mrequire) && empty(PTHREAD_OPTS:Moptional)
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PKG_SKIP_REASON+= "${PKGNAME} requires a working pthreads implementation."
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. endif
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. endif
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.endif
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PTHREAD_AUTO_VARS?= no
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.if ${PTHREAD_TYPE} == "native"
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BUILDLINK_TREE+= pthread -pthread
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BUILDLINK_BUILTIN_MK.pthread= ../../mk/pthread.builtin.mk
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BUILDLINK_AUTO_VARS.pthread?= ${PTHREAD_AUTO_VARS}
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.elif ${PTHREAD_TYPE} == "${_PKG_PTHREAD}"
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. if exists(${_PKG_PTHREAD_BUILDLINK3_MK})
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. if !empty(_PKG_PTHREAD_DEPENDS)
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BUILDLINK_API_DEPENDS.${_PKG_PTHREAD}+= ${_PKG_PTHREAD_DEPENDS}
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. endif
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. include "${_PKG_PTHREAD_BUILDLINK3_MK}"
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BUILDLINK_PREFIX.pthread= ${BUILDLINK_PREFIX.${_PKG_PTHREAD}}
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BUILDLINK_CFLAGS.pthread= ${BUILDLINK_CFLAGS.${_PKG_PTHREAD}}
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BUILDLINK_CPPFLAGS.${_PKG_PTHREAD}?= -D_REENTRANT
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BUILDLINK_CPPFLAGS.pthread= ${BUILDLINK_CPPFLAGS.${_PKG_PTHREAD}}
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BUILDLINK_LDFLAGS.pthread= ${BUILDLINK_LDFLAGS.${_PKG_PTHREAD}}
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BUILDLINK_LIBS.${_PKG_PTHREAD}?= -lpthread
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BUILDLINK_LIBS.pthread= ${BUILDLINK_LIBS.${_PKG_PTHREAD}}
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BUILDLINK_AUTO_VARS.${_PKG_PTHREAD}?= ${PTHREAD_AUTO_VARS}
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BUILDLINK_AUTO_VARS.pthread= ${BUILDLINK_AUTO_VARS.${_PKG_PTHREAD}}
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. else
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PKG_FAIL_REASON+= ${PKGNAME:Q}" needs pthreads, but "${_PKG_PTHREAD_BUILDLINK3_MK:Q}" is missing."
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. endif
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.endif
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.if !empty(PTHREAD_BUILDLINK3_MK:M+)
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#
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# Define user-visible PTHREAD_{CFLAGS,LDFLAGS,LIBS} as compiler options
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# used to compile/link pthreaded code.
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#
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PTHREAD_CFLAGS= ${BUILDLINK_CFLAGS.pthread}
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PTHREAD_CFLAGS+= ${BUILDLINK_CPPFLAGS.pthread}
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PTHREAD_LDFLAGS= ${BUILDLINK_LDFLAGS.pthread}
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PTHREAD_LIBS= ${BUILDLINK_LIBS.pthread}
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CONFIGURE_ENV+= PTHREAD_CFLAGS=${PTHREAD_CFLAGS:Q}
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CONFIGURE_ENV+= PTHREAD_LDFLAGS=${PTHREAD_LDFLAGS:Q}
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CONFIGURE_ENV+= PTHREAD_LIBS=${PTHREAD_LIBS:Q}
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MAKE_ENV+= PTHREAD_CFLAGS=${PTHREAD_CFLAGS:Q}
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MAKE_ENV+= PTHREAD_LDFLAGS=${PTHREAD_LDFLAGS:Q}
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MAKE_ENV+= PTHREAD_LIBS=${PTHREAD_LIBS:Q}
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PTHREADBASE= ${BUILDLINK_PREFIX.pthread}
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CONFIGURE_ENV+= PTHREADBASE=${PTHREADBASE:Q}
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MAKE_ENV+= PTHREADBASE=${PTHREADBASE:Q}
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.endif # PTHREAD_BUILDLINK3_MK
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