mk/pthread.builtin.mk

   1 # $NetBSD: pthread.builtin.mk,v 1.9 2005/06/09 06:03:40 jlam 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
   9 .include "../../mk/buildlink3/bsd.builtin.mk"
  10
  11 ###
  12 ### Determine if there is a built-in implementation of the package and
  13 ### set IS_BUILTIN.<pkg> appropriately ("yes" or "no").
  14 ###
  15 .if !defined(IS_BUILTIN.pthread)
  16 IS_BUILTIN.pthread=     no
  17 .  if empty(H_PTHREAD:M${LOCALBASE}/*) && exists(${H_PTHREAD})
  18 IS_BUILTIN.pthread=     yes
  19 .  endif
  20 .endif
  21 MAKEVARS+=      IS_BUILTIN.pthread
  22
  23 ###
  24 ### Determine whether we should use the built-in implementation if it
  25 ### exists, and set USE_BUILTIN.<pkg> appropriate ("yes" or "no").
  26 ###
  27 #
  28 # We ignore the value of PREFER_PKGSRC and PREFER_NATIVE.  Whether we
  29 # prefer one or the other is dependent on the value of
  30 # PREFER_NATIVE_PTHREADS, which is yes/no.
  31 #
  32 .if !defined(USE_BUILTIN.pthread)
  33 USE_BUILTIN.pthread=    ${IS_BUILTIN.pthread}
  34 .  if !empty(PREFER_NATIVE_PTHREADS:M[nN][oO])
  35 USE_BUILTIN.pthread=    no
  36 .  endif
  37 .endif
  38 MAKEVARS+=      USE_BUILTIN.pthread
  39
  40 ###
  41 ### The section below only applies if we are not including this file
  42 ### solely to determine whether a built-in implementation exists.
  43 ###
  44 CHECK_BUILTIN.pthread?= no
  45 .if !empty(CHECK_BUILTIN.pthread:M[nN][oO])
  46
  47 .  if !empty(USE_BUILTIN.pthread:M[yY][eE][sS])
  48 BUILDLINK_PREFIX.pthread=       /usr
  49 BUILDLINK_CFLAGS.pthread=       # empty
  50 BUILDLINK_LDFLAGS.pthread=      # empty
  51
  52 # only pass -pthread on platforms known to support it.
  53 # XXX
  54 # XXX This should really be a check for GCC!
  55 # XXX
  56 BUILDLINK_OPSYS_SUPPORT_PTHREAD=        DragonFly FreeBSD Linux NetBSD
  57 .    if !empty(BUILDLINK_OPSYS_SUPPORT_PTHREAD:M${OPSYS})
  58 BUILDLINK_CFLAGS.pthread+=      -pthread
  59 BUILDLINK_LDFLAGS.pthread+=     -pthread
  60 .    elif ${OPSYS} == "OSF1"
  61 BUILDLINK_CFLAGS.pthread+=      -pthread
  62 CFLAGS+=                        -D_REENTRANT
  63 .    else
  64 BUILDLINK_CPPFLAGS.pthread+=    -D_REENTRANT
  65 .    endif
  66 .    if ${OPSYS} == "FreeBSD"
  67 BUILDLINK_CPPFLAGS.pthread+=    -D_THREAD_SAFE
  68 .    endif
  69
  70 # Handle systems which have pthreads functions in libc_r such as
  71 # FreeBSD 5.x, or fall back to libc if we don't find libc_r.
  72 #
  73 .    if ${OPSYS} == "NetBSD"
  74 BUILDLINK_LIBS.pthread=         # empty
  75 .    elif !empty(BUILTIN_LIB_FOUND.pthread:M[yY][eE][sS])
  76 BUILDLINK_LIBS.pthread=         -lpthread
  77 .      if !empty(BUILTIN_LIB_FOUND.rt:M[yY][eE][sS])
  78 BUILDLINK_LIBS.pthread+=        -lrt
  79 .      endif
  80 .    elif !empty(BUILTIN_LIB_FOUND.c_r:M[yY][eE][sS])
  81 BUILDLINK_LIBS.pthread=         -lc_r
  82 .    else
  83 BUILDLINK_LIBS.pthread=         # empty
  84 .    endif
  85 .  endif
  86
  87 .endif  # CHECK_BUILTIN.pthread