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add check for opencl requirements

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This commit is contained in:
Zdenko Podobný 2015-07-22 14:40:07 +02:00
parent 71e226c44f
commit ffbe610349
1 changed files with 19 additions and 4 deletions
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23
configure.ac Normal file → Executable file
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@ -160,12 +160,27 @@ AC_ARG_ENABLE([opencl],
[enable_opencl=$enableval],
[enable_opencl="no"])
AC_MSG_RESULT($enable_opencl)
AM_CONDITIONAL([USE_OPENCL], [test "$enable_opencl" = "yes"])
if test "$enable_opencl" = "yes"; then
AC_SUBST([AM_CPPFLAGS], [-DUSE_OPENCL])
AC_SUBST([OPENCL_HDR_PATH],[$OPENCL_INC])
AC_SUBST([OPENCL_LIB],[$OPENCL_LIBS])
# check for opencl header
AC_CHECK_HEADERS(CL/cl.h, [], [
AC_CHECK_HEADERS(OpenCL/cl.h, [], [
AC_MSG_ERROR(OpenCL headers file was not found)
])
])
# check for libtiff
have_tiff=false
AC_CHECK_HEADERS(tiffio.h, have_tiff=true, have_tiff=false)
if !($have_tiff); then
AC_MSG_WARN(OpenCL will not be used - required TIFF headers not found)
AC_MSG_WARN(Try to install libtiff-dev?? package.)
enable_opencl="no"
else
AC_SUBST([AM_CPPFLAGS], [-DUSE_OPENCL])
AC_SUBST([OPENCL_HDR_PATH],[$OPENCL_INC])
AC_SUBST([OPENCL_LIB],[$OPENCL_LIBS])
fi
fi
AM_CONDITIONAL([USE_OPENCL], [test "$enable_opencl" = "yes"])
# check whether to build tesseract with -fvisibility=hidden -fvisibility-inlines-hidden
# http://gcc.gnu.org/wiki/Visibility