mk/pthread.builtin.mk

   1 # $NetBSD: pthread.builtin.mk,v 1.12 2012/05/04 07:24:50 obache Exp $
   2
   3 BUILTIN_PKG:=   pthread
   4
   5 BUILTIN_FIND_LIBS:=             pthread c_r rt
   6 BUILTIN_FIND_FILES_VAR=         H_PTHREAD
   7 BUILTIN_FIND_FILES.H_PTHREAD=   /usr/include/pthread.h  \
   8                                 /boot/develop/headers/posix/pthread.h
   9
  10 .include "../../mk/buildlink3/bsd.builtin.mk"
  11
  12 ###
  13 ### Determine if there is a built-in implementation of the package and
  14 ### set IS_BUILTIN.<pkg> appropriately ("yes" or "no").
  15 ###
  16 .if !defined(IS_BUILTIN.pthread)
  17 IS_BUILTIN.pthread=     no
  18 .  if empty(H_PTHREAD:M${LOCALBASE}/*) && exists(${H_PTHREAD})
  19 IS_BUILTIN.pthread=     yes
  20 .  endif
  21 .endif
  22 MAKEVARS+=      IS_BUILTIN.pthread
  23
  24 ###
  25 ### Determine whether we should use the built-in implementation if it
  26 ### exists, and set USE_BUILTIN.<pkg> appropriate ("yes" or "no").
  27 ###
  28 #
  29 # We ignore the value of PREFER_PKGSRC and PREFER_NATIVE.  Whether we
  30 # prefer one or the other is dependent on the value of
  31 # PREFER_NATIVE_PTHREADS, which is yes/no.
  32 #
  33 .if !defined(USE_BUILTIN.pthread)
  34 USE_BUILTIN.pthread=    ${IS_BUILTIN.pthread}
  35 .  if !empty(PREFER_NATIVE_PTHREADS:M[nN][oO])
  36 USE_BUILTIN.pthread=    no
  37 .  endif
  38 .endif
  39 MAKEVARS+=      USE_BUILTIN.pthread
  40
  41 ###
  42 ### The section below only applies if we are not including this file
  43 ### solely to determine whether a built-in implementation exists.
  44 ###
  45 CHECK_BUILTIN.pthread?= no
  46 .if !empty(CHECK_BUILTIN.pthread:M[nN][oO])
  47
  48 .  if !empty(USE_BUILTIN.pthread:M[yY][eE][sS])
  49 BUILDLINK_PREFIX.pthread=       /usr
  50 .    if empty(H_PTHREAD:M__nonexistent__)
  51 .      if!empty(H_PTHREAD:M/usr/*)
  52 BUILDLINK_PREFIX.pthread=       /usr
  53 .      else
  54 BUILDLINK_PREFIX.pthread=       # empty
  55 .      endif
  56 .    endif
  57 BUILDLINK_CFLAGS.pthread=       # empty
  58 BUILDLINK_LDFLAGS.pthread=      # empty
  59
  60 # only pass -pthread on platforms known to support it.
  61 # XXX
  62 # XXX This should really be a check for GCC!
  63 # XXX
  64 BUILDLINK_OPSYS_SUPPORT_PTHREAD=        DragonFly FreeBSD Linux MirBSD NetBSD OpenBSD
  65 .    if !empty(BUILDLINK_OPSYS_SUPPORT_PTHREAD:M${OPSYS})
  66 BUILDLINK_CFLAGS.pthread+=      -pthread
  67 BUILDLINK_LDFLAGS.pthread+=     -pthread
  68 .    elif ${OPSYS} == "OSF1"
  69 BUILDLINK_CFLAGS.pthread+=      -pthread
  70 CFLAGS+=                        -D_REENTRANT
  71 .    else
  72 BUILDLINK_CPPFLAGS.pthread+=    -D_REENTRANT
  73 .    endif
  74 .    if ${OPSYS} == "FreeBSD"
  75 BUILDLINK_CPPFLAGS.pthread+=    -D_THREAD_SAFE
  76 .    endif
  77
  78 # Handle systems which have pthreads functions in libc_r such as
  79 # FreeBSD 5.x, or fall back to libc if we don't find libc_r.
  80 #
  81 .    if ${OPSYS} == "NetBSD"
  82 BUILDLINK_LIBS.pthread=         # empty
  83 .    elif !empty(BUILTIN_LIB_FOUND.pthread:M[yY][eE][sS])
  84 BUILDLINK_LIBS.pthread=         -lpthread
  85 .      if !empty(BUILTIN_LIB_FOUND.rt:M[yY][eE][sS])
  86 BUILDLINK_LIBS.pthread+=        -lrt
  87 .      endif
  88 .    elif !empty(BUILTIN_LIB_FOUND.c_r:M[yY][eE][sS])
  89 BUILDLINK_LIBS.pthread=         -lc_r
  90 .    else
  91 BUILDLINK_LIBS.pthread=         # empty
  92 .    endif
  93 .  endif
  94
  95 .endif  # CHECK_BUILTIN.pthread