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Viewing changes to m4/pandora_pthread.m4

  • Committer: Jay Pipes
  • Date: 2009-09-21 18:35:01 UTC
  • mfrom: (1126.6.7 pandora-build)
  • mto: This revision was merged to the branch mainline in revision 1132.
  • Revision ID: jpipes@serialcoder-20090921183501-g9abe5t4j8518mjk
Merge Pandora-build.

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m4/pandora_pthread.m4
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dnl  Check for libpthread
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dnl --------------------------------------------------------------------
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AC_DEFUN([PANDORA_PTHREAD_YIELD],[
 
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  AC_REQUIRE([ACX_PTHREAD])
 
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  save_CFLAGS="${CFLAGS}"
 
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  save_CXXFLAGS="${CXXFLAGS}"
 
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  CFLAGS="${PTHREAD_CFLAGS} ${CFLAGS}"
 
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  CXXFLAGS="${PTHREAD_CFLAGS} ${CXXFLAGS}"
 
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  dnl Some OSes like Mac OS X have that as a replacement for pthread_yield()
 
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  AC_CHECK_FUNCS(pthread_yield_np)
 
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  AC_CACHE_CHECK([if pthread_yield takes zero arguments],
 
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    [pandora_cv_pthread_yield_zero_arg],
 
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    [AC_LINK_IFELSE([
 
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      AC_LANG_PROGRAM([[
 
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#include <pthread.h>
 
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        ]],[[
 
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  pthread_yield();
 
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        ]])],
 
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      [pandora_cv_pthread_yield_zero_arg=yes],
 
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      [pandora_cv_pthread_yield_zero_arg=no])])
 
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  AS_IF([test "$pandora_cv_pthread_yield_zero_arg" = "yes"],[
 
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    AC_DEFINE([HAVE_PTHREAD_YIELD_ZERO_ARG], [1],
 
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              [pthread_yield that doesn't take any arguments])
 
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  ])
 
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  AC_CACHE_CHECK([if pthread_yield takes one argument],
 
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    [pandora_cv_pthread_yield_one_arg],
 
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    [AC_LINK_IFELSE([
 
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      AC_LANG_PROGRAM([[
 
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#include <pthread.h>
 
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        ]],[[
 
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  pthread_yield(0);
 
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        ]])],
 
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      [pandora_cv_pthread_yield_one_arg=yes],
 
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      [pandora_cv_pthread_yield_one_arg=no])])
 
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  AS_IF([test "$pandora_cv_pthread_yield_one_arg" = "yes"],[
 
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    AC_DEFINE([HAVE_PTHREAD_YIELD_ONE_ARG], [1],
 
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              [pthread_yield function with one argument])
 
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  ])
 
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  CFLAGS="${save_CFLAGS}"
 
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  CXXFLAGS="${save_CXXFLAGS}"
 
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])
 
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AC_DEFUN([_PANDORA_SEARCH_PTHREAD],[
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  ACX_PTHREAD
 
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  AC_REQUIRE([ACX_PTHREAD])
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  LIBS="${PTHREAD_LIBS} ${LIBS}"
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  AM_CFLAGS="${PTHREAD_CFLAGS} ${AM_CFLAGS}"
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  AM_CXXFLAGS="${PTHREAD_CFLAGS} ${AM_CXXFLAGS}"
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  CC="$PTHREAD_CC"
 
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  PANDORA_PTHREAD_YIELD
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])
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