mirror of https://github.com/BOINC/boinc.git
66 lines
2.8 KiB
Plaintext
66 lines
2.8 KiB
Plaintext
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# OpenCL support
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AC_DEFUN([AX_CHECK_CL],
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[AC_ARG_WITH([opencl],
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[AS_HELP_STRING([--with-opencl],
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[build OpenClApp with OpenCL @<:@default=check@:>@])],
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[],
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[with_opencl=check])
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# detect/verify we have a working OpenCL header and library
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AS_IF([test "x$with_opencl" != xno],
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[
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# check for usable OpenCL header
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# note C++ binding uses opencl.h, not just cl.h
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AC_MSG_NOTICE([checking for usable OpenCL opencl.h header])
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AC_CHECK_HEADER([OpenCL/opencl.h],
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[OPENCL_HEADER='"OpenCL/opencl.h"'],
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[AC_CHECK_HEADER([CL/opencl.h],
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[OPENCL_HEADER='"CL/opencl.h"'],
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[if test "x$with_opencl" != xcheck; then
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AC_MSG_FAILURE([OpenCL support was requested, but no usable OpenCL header was found])
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fi
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]
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)
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]
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)
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AS_IF([test "x$OPENCL_HEADER" != x],
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[
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# we have a header, check for usable OpenCL library
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# we cannot use AC_CHECK_LIB because we want to check
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# using the OS X OpenCL framework, and AC_CHECK_LIB does not
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# know how to use the framework linker syntax.
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# (we also do not want the OpenCL libs to be added to the
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# LIBS variable, and AC_CHECK_LIB does that if it succeeds)
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AC_MSG_CHECKING([for usable OpenCL library])
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savedLIBS=$LIBS
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OPENCL_LIBS="-framework OpenCL"
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LIBS="$OPENCL_LIBS $savedLIBS"
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AC_LINK_IFELSE( [AC_LANG_PROGRAM([@%:@include $OPENCL_HEADER],[clGetPlatformIDs(0,0,0);])],
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[AC_MSG_RESULT($OPENCL_LIBS)],
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[OPENCL_LIBS="-lOpenCL"
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LIBS="$OPENCL_LIBS $savedLIBS"
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AC_LINK_IFELSE( [AC_LANG_PROGRAM([@%:@include $OPENCL_HEADER],[clGetPlatformIDs(0,0,0);])],
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[AC_MSG_RESULT($OPENCL_LIBS)],
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[AC_MSG_RESULT([no])
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if test "x$with_opencl" != xcheck; then
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AC_MSG_FAILURE([OpenCL support was requested, but no usable OpenCL library was found])
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fi
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]
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)
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]
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)
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LIBS=$savedLIBS
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]
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)
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AS_IF([test "x$OPENCL_HEADER" != "x" -a "x$OPENCL_LIBS" != "x"],
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[with_opencl=yes
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MPI_SUBDIRS="$MPI_SUBDIRS opencl"
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AC_SUBST([OPENCL_LIBS])
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],
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[AC_MSG_NOTICE([no usable OpenCL installation found])
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with_opencl=no
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])
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])
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])dnl
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