configure.ac

dnl __BEGIN_LICENSE__
dnl Copyright (C) 2006-2010 United States Government as represented by
dnl the Administrator of the National Aeronautics and Space Administration.
dnl All Rights Reserved.
dnl __END_LICENSE__


m4_pattern_forbid([^AX_])
m4_pattern_allow([^AX_CFLAGS$])
m4_pattern_allow([^AX_INCLUDE_DIR$])
m4_pattern_allow([^AX_LIBDIR$])
m4_pattern_allow([^AX_OTHER_LIBDIR$])
m4_pattern_allow([^PKG_[A-Z_]+_CPPFLAGS$])
m4_pattern_allow([^PKG_[A-Z_]+_LDFLAGS$])
m4_pattern_allow([^PKG_[A-Z_]+_LIBS$])
m4_pattern_allow([^PKG_PATHS$])
m4_pattern_allow([^PKG_PATHS_[A-Z_]+$])
m4_pattern_allow([^PKG_BOOST_INCDIR$])
m4_pattern_allow([^PKG_BOOST_LIBDIR$])
m4_pattern_allow([^PKG_VW_LIBS_TEMP$])
m4_pattern_allow([^PKG_ARBITRARY_QT_NEEDED_HEADERS$])

##################################################
# A few starting bits
##################################################

AC_PREREQ([2.59])
dnl TODO BEFORE/AFTER RELEASE: update package version
AC_INIT([NASA Vision Workbench], [2.0.0_post], [vision-workbench@lists.nasa.gov], [VisionWorkbench])
AC_CONFIG_AUX_DIR(config)
AC_CONFIG_MACRO_DIR([m4])
AC_CANONICAL_HOST
AM_INIT_AUTOMAKE([nostdinc 1.8.5])
AX_CONFIG_HEADER_PREFIX([src/vw/config.h], [VW_])

dnl Fix for early autoconf that doesn't export these
AC_SUBST([abs_top_srcdir])
AC_SUBST([abs_top_builddir])

m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])

m4_divert_text([INIT_PREPARE], [dnl
# load the config.options
if test -f ./config.options; then
  AX_LOG([using config.options << EOF])
  AX_LOG([`cat ./config.options`])
  AX_LOG([EOF])
  . ./config.options
fi
])

##################################################
# Find the necessary programs
##################################################

# Make sure these are set so AC_PROG_CC doesn't initialize them with
# its defaults, since we take care of setting debug and optimization
# levels ourselves.
CFLAGS="$CFLAGS"
CXXFLAGS="$CXXFLAGS"

# Disable static libraries by default
AM_DISABLE_STATIC

# Find the tools
AC_PROG_CC
AC_PROG_CXX
AC_PROG_INSTALL
AX_PROG_AR
AC_PROG_LIBTOOL
AC_PROG_MAKE_SET
AC_LANG(C++)
AX_COMMON_OPTIONS

# Does the compiler support noreturn?
AX_CHECK_FUNCTION_ATTRIBUTE([noreturn])
AX_CHECK_FUNCTION_ATTRIBUTE([deprecated])

# Looking for posix headers
AC_CHECK_HEADERS([unistd.h pwd.h])
AC_CHECK_FUNCS([getpwuid getpid])

# Find some functions
AC_CHECK_FUNCS([fabsl llabs exp2 log2 tgamma])

# Look for the python stuff
AM_PATH_PYTHON([2.4], [HAVE_PYTHON=yes], [HAVE_PYTHON=no])
AC_PYTHON_DEVEL([HAVE_PYTHON=yes], [HAVE_PYTHON=no])
AC_PROG_SWIG([1.3.29], [HAVE_SWIG=yes], [HAVE_SWIG=no])

AC_SUBST(HAVE_PYTHON)
AC_SUBST(HAVE_SWIG)

if test "$HAVE_SWIG" = "yes"; then
    SWIG_ENABLE_CXX
    if test "$HAVE_PYTHON" = "yes"; then
        SWIG_PYTHON
    fi
fi

# Check for the code coverage programs
AC_CHECK_PROGS(LCOV, lcov, false)
AC_CHECK_PROGS(GENHTML, genhtml, false)

# Check for the Apache Extension Tool
AC_CHECK_PROGS(APXS, apxs2 apxs, false)
if test "$APXS" != "false"; then
  APXS_CFLAGS="`$APXS -q CFLAGS` -I`$APXS -q INCLUDEDIR`"
  APXS_LDFLAGS="`$APXS -q LDFLAGS`"
  APR_CONFIG=`$APXS -q APR_CONFIG`
  APU_CONFIG=`$APXS -q APU_CONFIG`
  APXS_CFLAGS="$APXS_CFLAGS `$APR_CONFIG --cppflags --includes` `$APU_CONFIG --includes`"
  APXS_LDFLAGS="$APXS_LDFLAGS `$APR_CONFIG --ldflags --libs` `$APU_CONFIG --ldflags --libs`"
  APXS_DEFAULT_INSTALLDIR="`$APXS -q LIBEXECDIR`"

  AX_ARG_WITH(apxs_installdir, [], [mk], [Set apache module install dir])

  if test -z "$APXS_INSTALLDIR"; then
    APXS_INSTALLDIR="$APXS_DEFAULT_INSTALLDIR"
  fi

  AC_SUBST(APXS_CFLAGS)
  AC_SUBST(APXS_LDFLAGS)
  fi
AM_CONDITIONAL(MAKE_MODPLATE, [test "$APXS" != "false"])


##################################################
# Compilation options
##################################################

# For the moment this is just a manual switch, defaulting to off.
# Someday this should be sensibly autodetected.
AX_ARG_ENABLE(sse,           no,  [am-yes cpp-bool], [enable SSE optimizations in some places (development)])
AX_ARG_ENABLE(bounds-check,  no,  [am-yes cpp-bool], [enable image bounds checking (SLOW!)])
AX_ARG_ENABLE(test-coverage, no,  [am-yes],          [turn on code coverage analysis tools])
AX_ARG_ENABLE(config-file,   yes, [cpp-bool],        [~/.vwrc support])
AX_ARG_ENABLE(strict-aliasing, no, [none],           [allow strict aliasing (dangerous)])
AX_ARG_ENABLE(qt-qmake,      yes, [none],            [Allow qmake detection of QT])


##################################################
# Handle options
##################################################

# Check for --enable-test-coverate and add appropriate flags for gcc
if test "$ENABLE_TEST_COVERAGE" = "yes"; then
  if CCACHE_CC=echo $CXX i_am_really_ccache 2>&AS_MESSAGE_LOG_FD | grep -q i_am_really_ccache ; then
    AC_MSG_ERROR([compiler CXX ($CXX) appears to be ccache, which breaks test-coverage])
  fi

  AX_TRY_CPPFLAGS([-fprofile-arcs],  [], [AC_MSG_ERROR([test coverage requires -fprofile-arcs])])
  AX_TRY_CPPFLAGS([-ftest-coverage], [], [AC_MSG_ERROR([test coverage requires -ftest-coverage])])

  echo "*** Enabling test coverage and debugging, and disabling optimization ***"

  dnl These two are necessary and already tested for
  CXXFLAGS="$CXXFLAGS -fprofile-arcs -ftest-coverage"
  LDFLAGS="$LDFLAGS -lgcov"
  ENABLE_OPTIMIZE=no
  ENABLE_DEBUG=yes
fi

# Files test-coverage and profile-arcs generate
AC_SUBST([MOSTLYCLEANFILES], "*.bb *.bbg *.da *.gcov *.gcda *.gcno .*.gcov")

# These need to be here because automake-1.6 is dumb and does not properly
# process AM_CONDITIONALs unless the first argument is a simple string.
AM_CONDITIONAL(ENABLE_SSE, [test x"$ENABLE_SSE" = x"yes"])
AM_CONDITIONAL(ENABLE_BOUNDS_CHECK, [test x"$ENABLE_BOUNDS_CHECK" = x"yes"])
AM_CONDITIONAL(ENABLE_TEST_COVERAGE, [test x"$ENABLE_TEST_COVERAGE" = x"yes"])



##################################################
# distribution options
##################################################

AX_ARG_WITH(dist-remove-modules, [Python Geometry GPU gui Photometry Plate], [mk am-set], [remove certain modules from the distribution])

# These need to be here because automake-1.6 is dumb and does not properly
# process AM_CONDITIONALs unless the first argument is a simple string.
AM_CONDITIONAL(DIST_REMOVE_MODULES, [test ! -z "$DIST_REMOVE_MODULES"])



##################################################
# package checks
##################################################

AX_PKG_PTHREADS

AX_PKG_BOOST([BOOST_PROGRAM_OPTIONS BOOST_FILESYSTEM BOOST_THREAD BOOST_GRAPH],
  BOOST_PROGRAM_OPTIONS,
    [AX_PKG_BOOST_LIB(PROGRAM_OPTIONS, [-lboost_program_options], [boost/program_options.hpp], [boost::program_options::options_description("Rawr");])],
  BOOST_SYSTEM,
    [AX_PKG_BOOST_LIB(SYSTEM,          [-lboost_system],          [boost/system/error_code.hpp], [boost::system::error_code();])],
  BOOST_FILESYSTEM,
    [AX_PKG_BOOST_LIB(FILESYSTEM,      [-lboost_filesystem],      [boost/filesystem/path.hpp], [boost::filesystem::path();], [$PKG_BOOST_SYSTEM_LIBS])],
  BOOST_REGEX,
    [AX_PKG_BOOST_LIB(REGEX,           [-lboost_regex],           [boost/regex.hpp], [boost::regex(".*");])],
  BOOST_DATETIME,
    [AX_PKG_BOOST_LIB(DATETIME,        [-lboost_date_time],       [boost/date_time/gregorian/gregorian_types.hpp])],
  BOOST_THREAD,
    [AX_PKG_BOOST_LIB(THREAD,          [-lboost_thread],          [boost/thread/thread.hpp], [boost::mutex();], [$PKG_BOOST_DATETIME_LIBS], [boost/thread/condition.hpp])],
  BOOST_IOSTREAMS,
    [AX_PKG_BOOST_LIB(IOSTREAMS,       [-lboost_iostreams],       [boost/iostreams/device/mapped_file.hpp], [boost::iostreams::mapped_file_source();])],
  BOOST_GRAPH,
    [AX_PKG_BOOST_LIB(GRAPH,           [],                        [boost/graph/adjacency_list.hpp])]
)

if test x"$HAVE_PKG_BOOST" = "xyes"; then
  AX_PKG_BOOST_CHECK_VERSION([VW_])
  AC_MSG_NOTICE([Using Boost header version $BOOST_VERSION, library suffix $PKG_BOOST_SAME_SUFFIX])
fi

# This provides an easy way for users to override the threads options
# if they are replacing Boost threads with something else for their platform.
AX_PKG(THREADS, [BOOST_THREAD], [], [])

AX_PKG(M, [], [-lm], [math.h])

AX_PKG_ONE_OF(LAPACK,
  APPLE_LAPACK,
    [AX_PKG_APPLE(LAPACK, [], [-framework vecLib])],
  INTEL_LAPACK,
    [case $host_cpu in
       ia64)   AX_PKG(INTEL_LAPACK, [PTHREADS M], [-lmkl_lapack -lmkl -lmkl_i2p -lguide], [mkl_lapack.h], [], [64],    [dgelss_]);;
       x86_64) AX_PKG(INTEL_LAPACK, [PTHREADS M], [-lmkl_lapack -lmkl -lmkl_def -lguide], [mkl_lapack.h], [], [em64t], [dgelss_]);;
       *)      AX_PKG(INTEL_LAPACK, [PTHREADS M], [-lmkl_lapack -lmkl -lguide],           [mkl_lapack.h], [], [32],    [dgelss_]);;
     esac],
  CLAPACK,
    [AX_PKG(CLAPACK, [], [-lclapack -lblas -lf2c],     [], [], [], [dgelss_])],
  SLAPACK,
    [AX_PKG(SLAPACK, [], [-llapack -lblas],            [], [], [], [dgelss_])],
  FLAPACK,
    [AX_PKG(FLAPACK, [], [-llapack -lblas -lgfortran], [], [], [], [dgelss_])],
  STANDALONE_LAPACK_BLAS,
    [AX_PKG(STANDALONE_BLAS, [], [-lblas], [])
     AX_PKG(STANDALONE_LAPACK, [STANDALONE_BLAS], [-llapack], [], [], [], [dgelss_])
     AX_GROUP_PKG(STANDALONE_LAPACK_AND_BLAS, [STANDALONE_LAPACK STANDALONE_BLAS])],
  STANDALONE_FLAPACK_FBLAS,
    [AX_PKG(STANDALONE_F2C, [], [-lf2c], [])
     AX_PKG(STANDALONE_FBLAS, [STANDALONE_F2C], [-lblas], [])
     AX_PKG(STANDALONE_FLAPACK, [STANDALONE_FBLAS STANDALONE_F2C], [-llapack], [], [], [], [dgelss_])
     AX_GROUP_PKG(STANDALONE_FLAPACK_FBLAS, [STANDALONE_FLAPACK STANDALONE_FBLAS STANDALONE_F2C])])

AX_PKG(Z, [], [-lz], [zlib.h])

AX_PKG(PNG,  [Z], [-lpng], [png.h])
AX_PKG(JPEG, [], [-ljpeg], [stdio.h jpeglib.h]) # jpeglib.h requires stdio.h to have been included

AX_PKG(ILMBASE, [M Z PTHREADS], [-lImath -lHalf -lIex -lIlmThread], [Iex.h], [OpenEXR])
AX_PKG(OPENEXR, [ILMBASE], [-lIlmImf], [ImfOutputFile.h], [OpenEXR])

AX_PKG_ONE_OF(HDF,
    HDF_PLAIN,  [AX_PKG(HDF_PLAIN,  [M JPEG], [-ldf -lmfhdf], [mfhdf.h]       )],
    HDF_SUBDIR, [AX_PKG(HDF_SUBDIR, [M JPEG], [-ldf -lmfhdf], [mfhdf.h], [hdf])]
)

AX_PKG_ONE_OF(GL,
  APPLE_GL,
    [AX_PKG_APPLE([GL], [], [-framework OpenGL -framework GLUT -Wl,-dylib_file,/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib:/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib])],
  LINUX_GL,
    [AX_PKG(X11, [], [-lXext -lX11 -lXmu -lXi -lXt], [])
     AX_PKG(LINUX_GL, [X11], [-lglut -lGLU -lGL], [GL/gl.h GL/glu.h GL/glut.h], [], [], [glCreateShader])])

AX_PKG(GLEW, [GL M], [-lGLEW], [GL/glew.h])
AX_PKG(CG, [GL], [-lCg -lCgGL], [Cg/cg.h])

AX_PKG(GDAL, [], [-lgdal], [gdal.h])

# GDAL requires tiff support, but it can be internal or external.
PKG_CHECK_FUNCTION(GDAL, [TIFFScanlineSize], [External_LibTIFF])

if test x"$HAVE_PKG_GDAL" = "xyes"; then
  HAVE_PKG_TIFF="no:gdal has tiff support"
  if test x"$GDAL_HAS_EXTERNAL_LIBTIFF" = "xyes"; then
    PKG_CHECK_FUNCTION(GDAL, [TIFFScanlineSize64], [BigTIFF])
  else
    GDAL_HAS_BIGTIFF=yes
  fi
  VW_HAS_BIGTIFF="$GDAL_HAS_BIGTIFF"
fi

AX_PKG(TIFF, [], [-ltiff], [tiff.h])
if test x"$HAVE_PKG_TIFF" = "xyes"; then
  PKG_CHECK_FUNCTION(TIFF, [TIFFScanlineSize64], [BigTIFF])
  VW_HAS_BIGTIFF="$TIFF_HAS_BIGTIFF"
fi

AC_MSG_CHECKING([if VW has BigTIFF support])
if test x"$VW_HAS_BIGTIFF" = "xyes"; then
  has_bigtiff=1
else
  has_bigtiff=0
fi
AC_DEFINE_UNQUOTED(HAS_BIGTIFF, [$has_bigtiff], [Define to 1 if VW has BigTIFF support])
AC_MSG_RESULT([$VW_HAS_BIGTIFF])

AX_PKG(PROJ4, [M], [-lproj], [projects.h])

if test "$HAVE_PKG_QT" = no; then
    ENABLE_QT_QMAKE=no
fi

if test "$ENABLE_QT_QMAKE" = no; then
  AX_GROUP_PKG([QT_QMAKE])
else
  # Qt with AutoTroll.
  AT_WITH_QT([+gui +sql +opengl +network], [], [], [HAVE_PKG_QT_QMAKE="no:missing QT"], [])

  if test x"$HAVE_PKG_QT_QMAKE" != x"no:missing QT"; then
      AT_REQUIRE_QT_VERSION([4.0], [HAVE_PKG_QT_QMAKE="no:wrong QT version"], [])
  fi

  # We seed QT_QMAKE's cppflags and libs with the ones qmake figured out
  PKG_QT_QMAKE_CPPFLAGS="$PKG_QT_QMAKE_CPPFLAGS $QT_CPPFLAGS"
  AX_PKG(QT_QMAKE, [], [$QT_LIBS], [QVector])
fi

AX_PKG_ONE_OF(QT,
    ARBITRARY_QT,
     [if test -z "$QT_ARBITRARY_MODULES" -a -z "$HAVE_PKG_ARBITRARY_MODULES"; then
        HAVE_PKG_ARBITRARY_QT="no:Set \$QT_ARBITRARY_MODULES"
      else
        for module in $QT_ARBITRARY_MODULES; do
          PKG_ARBITRARY_QT_NEEDED_HEADERS="$PKG_ARBITRARY_QT_NEEDED_HEADERS Qt${module}"
          PKG_ARBITRARY_QT_LIBS="-lQt${module} $PKG_ARBITRARY_QT_LIBS"
        done
      fi
      PKG_ARBITRARY_QT_CPPFLAGS="$PKG_ARBITRARY_QT_CPPFLAGS -DQT_SHARED"
      AX_PKG(ARBITRARY_QT, [], [-lQtCore], [$PKG_ARBITRARY_QT_NEEDED_HEADERS])],
    APPLE_QMAKE_QT, [AX_PKG_APPLE(QMAKE_QT, [GL QT_QMAKE], [])],
    LINUX_QMAKE_QT,
     [AX_PKG(QT_QMAKE_OPENGL, [QT_QMAKE], [], [QtOpenGL])
      AX_PKG(QT_QMAKE_GUI,    [QT_QMAKE], [], [QLabel])
      AX_PKG(QT_QMAKE_SQL,    [QT_QMAKE], [], [QtSql])
      AX_PKG(QT_QMAKE_NETWORK,    [QT_QMAKE], [], [QtNetwork])
      AX_GROUP_PKG(LINUX_QMAKE_QT, [QT_QMAKE QT_QMAKE_GUI QT_QMAKE_OPENGL QT_QMAKE_SQL QT_QMAKE_NETWORK])],
    GUESS_QT,
     [PKG_QT_GUESS_BASE_CPPFLAGS="$PKG_QT_GUESS_BASE_CPPFLAGS -DQT_SHARED"
      AX_PKG(QT_GUESS_BASE,   [],                           [],           [QtCore/qstring.h])
      AX_PKG(QT_GUESS_CORE,   [QT_GUESS_BASE],              [-lQtCore],   [QtCore],   [QtCore])
      AX_PKG(QT_GUESS_GUI,    [QT_GUESS_CORE],              [-lQtGui],    [QtGui],    [QtGui])
      AX_PKG(QT_GUESS_SQL,    [QT_GUESS_CORE],              [-lQtSql],    [QtSql],    [QtSql])
      AX_PKG(QT_GUESS_NETWORK,[QT_GUESS_CORE],              [-lQtNetwork],[QtNetwork],[QtNetwork])
      AX_PKG(QT_GUESS_OPENGL, [QT_GUESS_CORE QT_GUESS_GUI], [-lQtOpenGL], [QtOpenGL], [QtOpenGL])
      AX_GROUP_PKG(GUESS_QT,  [QT_GUESS_BASE QT_GUESS_CORE QT_GUESS_GUI QT_GUESS_SQL QT_GUESS_NETWORK QT_GUESS_OPENGL])])

PKG_CHECK_MODULES([CAIROMM], [cairomm-1.0], [
  PKG_CAIROMM_CPPFLAGS="$PKG_CAIROMM_CPPFLAGS $CAIROMM_CFLAGS"
  ], [HAVE_PKG_CAIROMM="no:$CAIROMM_PKG_ERRORS"])
AX_PKG(CAIROMM, [], [$CAIROMM_LIBS], [cairomm/cairomm.h])

AX_PKG(RABBITMQ_C, [], [-lrabbitmq], [stdlib.h stdint.h amqp.h])
AX_PKG(PROTOBUF, [PTHREADS], [-lprotobuf], [google/protobuf/stubs/common.h])
AX_PKG(OPENCV, [], [-lcxcore], [opencv/cxcore.h])


dnl check for recent rabbitmq; this can go away soon, it's just to prevent a
dnl flag-day upgrade
if test x"$HAVE_PKG_RABBITMQ_C" = "xyes"; then
  AS_VAR_PUSHDEF([ac_var], rabbitmq_void_rpc_reply)dnl
  AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[
    #include <stdlib.h>
    #include <stdint.h>
    #include <amqp.h>
  ]], [[
    amqp_get_rpc_reply();
  ]]), [AS_VAR_SET(ac_var,yes)], [AS_VAR_SET(ac_var,no)])

  AS_IF([test x"$ac_var" = "xyes"],
    [AC_DEFINE([RABBITMQ_VOID_RPC_REPLY], [1], [Is amqp_get_rpc_reply void?])],
    [AC_DEFINE([RABBITMQ_VOID_RPC_REPLY], [0], [Is amqp_get_rpc_reply void?])])
  AS_VAR_POPDEF([ac_var])dnl
fi

# These are here (instead of inside the PKG macro where they belong)
# for backwards compatability with older versions of automake.
AM_CONDITIONAL(HAVE_PKG_LAPACK, [test "$HAVE_PKG_LAPACK" = "yes"])
AM_CONDITIONAL(HAVE_PKG_PNG, [test "$HAVE_PKG_PNG" = "yes"])
AM_CONDITIONAL(HAVE_PKG_JPEG, [test "$HAVE_PKG_JPEG" = "yes"])
AM_CONDITIONAL(HAVE_PKG_TIFF, [test "$HAVE_PKG_TIFF" = "yes"])
AM_CONDITIONAL(HAVE_PKG_OPENEXR, [test "$HAVE_PKG_OPENEXR" = "yes"])
AM_CONDITIONAL(HAVE_PKG_HDF, [test "$HAVE_PKG_HDF" = "yes"])
AM_CONDITIONAL(HAVE_PKG_GDAL, [test "$HAVE_PKG_GDAL" = "yes"])
AM_CONDITIONAL(HAVE_PKG_CAIROMM, [test "$HAVE_PKG_CAIROMM" = "yes"])
AM_CONDITIONAL(HAVE_PKG_RABBITMQ_C, [test "$HAVE_PKG_RABBITMQ_C" = "yes"])
AM_CONDITIONAL(HAVE_PKG_PROTOBUF, [test "$HAVE_PKG_PROTOBUF" = "yes"])
AM_CONDITIONAL(HAVE_PKG_OPENCV, [test "$HAVE_PKG_OPENCV" = "yes"])
AM_CONDITIONAL(HAVE_PYTHON, [test "$HAVE_PYTHON" = "yes"])


##################################################
# module definitions
##################################################

AX_MODULE(CORE,          [src/vw/Core],          [libvwCore.la],          yes, [],      [BOOST BOOST_PROGRAM_OPTIONS THREADS M], [PTHREADS])
AX_MODULE(MATH,          [src/vw/Math],          [libvwMath.la],          yes, [CORE],  [BOOST_GRAPH],                           [LAPACK])
AX_MODULE(IMAGE,         [src/vw/Image],         [libvwImage.la],         yes, [MATH],  [],                                      [OPENCV])
AX_MODULE(FILEIO,        [src/vw/FileIO],        [libvwFileIO.la],        yes, [IMAGE], [BOOST_FILESYSTEM],                      [Z PNG JPEG TIFF OPENEXR HDF GDAL])
AX_MODULE(VW,            [src/vw],               [libvw.la],              yes, [],      [IMAGE MATH CORE],                       [FILEIO])

if test "${MAKE_MODULE_VW}" != "yes"; then
  AC_MSG_ERROR([cannot build the Vision Workbench core modules!])
fi

# remove libvw.la from this. it's a convenience library that just happens to be
# installed, but if we link against it, we create multi-path problems
PKG_VW_LIBS_TEMP=
for i in $PKG_VW_LIBS; do
    case $i in
        *libvw\.*) ;;
        *) PKG_VW_LIBS_TEMP="$PKG_VW_LIBS_TEMP $i" ;;
    esac
done
PKG_VW_LIBS="$PKG_VW_LIBS_TEMP"

AX_MODULE(CAMERA,           [src/vw/Camera],           [libvwCamera.la],           yes, [VW],               [],                      [BOOST_IOSTREAMS PROTOBUF])
AX_MODULE(MOSAIC,           [src/vw/Mosaic],           [libvwMosaic.la],           yes, [VW])
AX_MODULE(INTERESTPOINT,    [src/vw/InterestPoint],    [libvwInterestPoint.la],    yes, [VW])
AX_MODULE(CARTOGRAPHY,      [src/vw/Cartography],      [libvwCartography.la],      yes, [VW],        [PROJ4],            [GDAL])
AX_MODULE(HDR,              [src/vw/HDR],              [libvwHDR.la],              yes, [CAMERA VW], [LAPACK])
AX_MODULE(STEREO,           [src/vw/Stereo],           [libvwStereo.la],           yes, [CAMERA VW])
AX_MODULE(GEOMETRY,         [src/vw/Geometry],         [libvwGeometry.la],         yes, [VW])
AX_MODULE(PHOTOMETRY,       [src/vw/Photometry],       [libvwPhotometry.la],        no, [CARTOGRAPHY VW], [BOOST_FILESYSTEM BOOST_PROGRAM_OPTIONS])
AX_MODULE(BUNDLEADJUSTMENT, [src/vw/BundleAdjustment], [libvwBundleAdjustment.la], yes, [CAMERA CARTOGRAPHY INTERESTPOINT STEREO VW])
AX_MODULE(PLATE,            [src/vw/Plate],            [libvwPlate.la],             no, [CARTOGRAPHY VW], [RABBITMQ_C PROTOBUF BOOST_FILESYSTEM BOOST_REGEX BOOST_IOSTREAMS BOOST_PROGRAM_OPTIONS THREADS])
AX_MODULE(TOOLS,            [src/vw/tools],            [],                         yes, [VW], [BOOST_FILESYSTEM BOOST_PROGRAM_OPTIONS THREADS])
AX_MODULE(GUI,              [src/vw/gui],              [],                          no, [PLATE VW], [QT BOOST_PROGRAM_OPTIONS GL])
AX_MODULE_PYTHON(           [src/vw/Python], [no])

if test $host_vendor = apple; then
  AX_MODULE(GPU,         [src/vw/GPU],           [libvwGPU.la],           no,  [VW],        [GL],               [CG])
else
  AX_MODULE(GPU,         [src/vw/GPU],           [libvwGPU.la],           no,  [VW],        [GL GLEW],          [CG])
fi

# These are here (instead of inside the MODULE macro where they belong)
# for backwards compatability with older versions of automake.
AM_CONDITIONAL(MAKE_MODULE_CORE,             [test "$MAKE_MODULE_CORE" = "yes"])
AM_CONDITIONAL(MAKE_MODULE_MATH,             [test "$MAKE_MODULE_MATH" = "yes"])
AM_CONDITIONAL(MAKE_MODULE_IMAGE,            [test "$MAKE_MODULE_IMAGE" = "yes"])
AM_CONDITIONAL(MAKE_MODULE_FILEIO,           [test "$MAKE_MODULE_FILEIO" = "yes"])
AM_CONDITIONAL(MAKE_MODULE_VW,               [test "$MAKE_MODULE_VW" = "yes"])
AM_CONDITIONAL(MAKE_MODULE_CAMERA,           [test "$MAKE_MODULE_CAMERA" = "yes"])
AM_CONDITIONAL(MAKE_MODULE_MOSAIC,           [test "$MAKE_MODULE_MOSAIC" = "yes"])
AM_CONDITIONAL(MAKE_MODULE_INTERESTPOINT,    [test "$MAKE_MODULE_INTERESTPOINT" = "yes"])
AM_CONDITIONAL(MAKE_MODULE_CARTOGRAPHY,      [test "$MAKE_MODULE_CARTOGRAPHY" = "yes"])
AM_CONDITIONAL(MAKE_MODULE_HDR,              [test "$MAKE_MODULE_HDR" = "yes"])
AM_CONDITIONAL(MAKE_MODULE_STEREO,           [test "$MAKE_MODULE_STEREO" = "yes"])
AM_CONDITIONAL(MAKE_MODULE_GEOMETRY,         [test "$MAKE_MODULE_GEOMETRY" = "yes"])
AM_CONDITIONAL(MAKE_MODULE_PHOTOMETRY,       [test "$MAKE_MODULE_PHOTOMETRY" = "yes"])
AM_CONDITIONAL(MAKE_MODULE_BUNDLEADJUSTMENT, [test "$MAKE_MODULE_BUNDLEADJUSTMENT" = "yes"])
AM_CONDITIONAL(MAKE_MODULE_PLATE,            [test "$MAKE_MODULE_PLATE" = "yes"])
AM_CONDITIONAL(MAKE_MODULE_TOOLS,            [test "$MAKE_MODULE_TOOLS" = "yes"])
AM_CONDITIONAL(MAKE_MODULE_GUI,              [test "$MAKE_MODULE_GUI" = "yes"])
AM_CONDITIONAL(MAKE_MODULE_PYTHON,           [test "$MAKE_MODULE_PYTHON" = "yes"])
AM_CONDITIONAL(MAKE_MODULE_GPU,              [test "$MAKE_MODULE_GPU" = "yes"])


##################################################
# final processing
##################################################

VW_CPPFLAGS="-I\${top_srcdir}/src $OTHER_CPPFLAGS"
VW_LDFLAGS="$OTHER_LDFLAGS"

# Do this last, to make sure it's not overridden
if test x"$ENABLE_STRICT_ALIASING" = x"no"; then
    CXXFLAGS="$CXXFLAGS -fno-strict-aliasing"
fi

AX_LOG([using CPPFLAGS=$CPPFLAGS])
AX_LOG([using VW_CPPFLAGS=$VW_CPPFLAGS])
AX_LOG([using CFLAGS=$CFLAGS])
AX_LOG([using CXXFLAGS=$CXXFLAGS])
AX_LOG([using LDFLAGS=$LDFLAGS])
AX_LOG([using VW_LDFLAGS=$VW_LDFLAGS])
AX_LOG([using VW_ENABLE_EXCEPTIONS=$ENABLE_EXCEPTIONS])

AC_SUBST(VW_CPPFLAGS)
AC_SUBST(VW_LDFLAGS)
AC_SUBST(LCOV_REMOTE_PATH)
AC_SUBST(DEHYDRA_GCC)
AC_SUBST(DEHYDRA_PLUGIN)

##################################################
# makefiles to process
##################################################

AC_CONFIG_FILES([                       \
  Makefile                              \
  src/Makefile                          \
  src/vw/Makefile                       \
  src/vw/tools/Makefile                 \
  src/vw/gui/Makefile                   \
  src/vw/Plate/Makefile                 \
  src/vw/Plate/tests/Makefile           \
  src/vw/Plate/google/Makefile          \
  src/vw/Plate/google/sparsehash/Makefile \
  src/vw/Core/Makefile                  \
  src/vw/Core/tests/Makefile            \
  src/vw/Math/Makefile                  \
  src/vw/Math/tests/Makefile            \
  src/vw/Image/Makefile                 \
  src/vw/Image/tests/Makefile           \
  src/vw/FileIO/Makefile                \
  src/vw/FileIO/tests/Makefile          \
  src/vw/Camera/Makefile                \
  src/vw/Camera/tests/Makefile          \
  src/vw/Mosaic/Makefile                \
  src/vw/Mosaic/tests/Makefile          \
  src/vw/Cartography/Makefile           \
  src/vw/Cartography/tests/Makefile     \
  src/vw/HDR/Makefile                   \
  src/vw/HDR/tests/Makefile             \
  src/vw/Stereo/Makefile                \
  src/vw/Stereo/tests/Makefile          \
  src/vw/GPU/Makefile                   \
  src/vw/GPU/tests/Makefile             \
  src/vw/Geometry/Makefile              \
  src/vw/Geometry/tests/Makefile        \
  src/vw/InterestPoint/Makefile         \
  src/vw/InterestPoint/tests/Makefile   \
  src/vw/Photometry/Makefile            \
  src/vw/Photometry/tests/Makefile      \
  src/vw/Python/vw/Makefile             \
  src/vw/Python/Makefile                \
  src/vw/BundleAdjustment/Makefile      \
  src/vw/BundleAdjustment/tests/Makefile \
])

AC_OUTPUT