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#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

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m4_pattern_forbid([^OLN_])
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AC_PREREQ([2.61])
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## ---------------- ##
## Package set up.  ##
## ---------------- ##

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AC_INIT([Olena], [1.0], [olena@lrde.epita.fr], [olena])
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# M4 macros.
AC_CONFIG_MACRO_DIR([m4])

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# Auxiliary files.
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_FILES([build-aux/Makefile])

# Automake.
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AM_INIT_AUTOMAKE([1.10 foreign check-news dist-bzip2 nostdinc -Wall])
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# Package metadata.
AC_CONFIG_FILES([milena/mln/version.hh])
AC_DEFINE_UNQUOTED([OLN_PACKAGE_NAME], ["$PACKAGE_NAME"],
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		   [Package Full name.])
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AC_DEFINE_UNQUOTED([OLN_PACKAGE_BUGREPORT], ["$PACKAGE_BUGREPORT"],
		   [Bug report address.])
AC_DEFINE_UNQUOTED([OLN_PACKAGE_STRING], ["$PACKAGE_STRING"],
		   [Full name and version.])
AC_DEFINE_UNQUOTED([OLN_PACKAGE_VERSION], ["$PACKAGE_VERSION"],
		   [Package Version.])
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## --------------------- ##
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## C++ compiler set up.  ##
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## --------------------- ##

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# If the user doesn't provide any CXXFLAGS, prevent Autoconf from
# settings its own default ones (e.g., `-g -O2' for g++).
if test ! ${CXXFLAGS+set}; then
   CXXFLAGS=""
fi

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# Look for a C++ compiler.
AC_LANG([C++])
AC_PROG_CXX

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# Speed up compiling times.
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if test "$GXX" = yes; then
  CXXFLAGS="$CXXFLAGS -pipe"
fi

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# ------------------------------ #
# C++ compiler flags for tests.  #
# ------------------------------ #

# FIXME: We might want to write an Autoconf macro to factor this.

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# Standard flags for tests.
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AC_ARG_VAR([TESTS_CXXFLAGS])
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# We want no optimization for the tests (it slows down compiling
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# times), and debugging information.
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if test "$GXX" = yes && test -z "$TESTS_CXXFLAGS"; then
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  TESTS_CXXFLAGS="-O0 -ggdb -Wall -W"
fi

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# Flags for complex tests.
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AC_ARG_VAR([TESTS_CXXFLAGS_SPEED])
# We want optimization for complex tests, and keep debugging flags
# (still useful).
if test "$GXX" = yes && test -z "$TESTS_CXXFLAGS_SPEED"; then
  TESTS_CXXFLAGS_SPEED="-O3 -DNDEBUG -ggdb -Wall -W"
fi

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# Flags for tests with with all debugging features turned on.
AC_ARG_VAR([TESTS_CXXFLAGS_DEBUG])
# We want no optimization for the tests (it slows down compiling
# times), and a lot of debugging features.
# * GNU C++ Library Debug Mode:
#   http://gcc.gnu.org/onlinedocs/libstdc++/manual/debug_mode.html
# * GNU C++ Library Compile Time Checks (a.k.a. concept checking):
#   http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt12ch29.html
if test "$GXX" = yes && test -z "$TESTS_CXXFLAGS_DEBUG"; then
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  TESTS_CXXFLAGS_DEBUG="-O0 -ggdb -Wall -W -D_GLIBCXX_DEBUG -D_GLIBCXX_CONCEPT_CHECKS"
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fi


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## ------------------------------ ##
## ``Enable Everything'' Switch.  ##
## ------------------------------ ##

# Enable all bundled features (trimesh2, Swilena, apps, tools).  This
# option is useful to maintainers to ensure they do not break optional
# parts while modifying the core of the project. If both
# ``--enable-all'' is set and a given feature is disabled (say,
# ``--disable-apps''), then the disable flag has priority.

# FIXME: Due to with-swilena.m4's limitations, we have to explicitly
# enable SWIG.  Will be repaired when OLN_WITH_SWILENA is revamped.

AC_ARG_ENABLE([all],
              [AS_HELP_STRING([--enable-all],
                              [enable maintainer mode])],
              [
               enable_trimesh=yes
               with_swig=yes
               enable_swilena=yes
               enable_apps=yes
               enable_tools=yes
              ])
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## ------------------ ##
## Libraries set up.  ##
## ------------------ ##

# Use Libtool.
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# To be replaced by a call to LT_INIT as soon as Libtool 2.2 is used.
AC_PROG_LIBTOOL
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# Check for Darwin.
AC_CANONICAL_HOST
AM_CONDITIONAL([DARWIN], [echo "$host_os" | grep '^darwin'])

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## -------------------- ##
## External libraries.  ##
## -------------------- ##
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# FreeImage library.
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OLN_WITH_FREEIMAGEPLUS
AM_CONDITIONAL([FREEIMAGEPLUS], [test x$oln_have_freeimageplus = xyes])
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# CFITSIO library.
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OLN_WITH_CFITSIO
AM_CONDITIONAL([CFITSIO], [test x$oln_have_cfitsio = xyes])

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## ---------------------------- ##
## (Bundled) trimesh2 library.  ##
## ---------------------------- ##

AC_ARG_ENABLE([trimesh],
              [AS_HELP_STRING([--with-trimesh],
                              [build the (bundled) trimesh2 library])])
AM_CONDITIONAL([ENABLE_TRIMESH], [test x$enable_trimesh = xyes])
AC_CONFIG_SUBDIRS([external/trimesh])

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## --------- ##
## Swilena.  ##
## --------- ##

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OLN_WITH_SWILENA([enable_swilena=yes], [])
AM_CONDITIONAL([ENABLE_SWILENA], [test x$enable_swilena = xyes])
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AC_CONFIG_FILES([swilena/Makefile
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		 swilena/python/Makefile])
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AC_CONFIG_FILES([swilena/run], [chmod +x swilena/run])

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AC_CONFIG_FILES(m4_do([swilena/python/sps],
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		      [:swilena/python/sps-common.in],
		      [:swilena/python/sps.in]),
		[chmod +x swilena/python/sps])
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AC_CONFIG_FILES(m4_do([swilena/python/sps-local],
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		      [:swilena/python/sps-common.in],
		      [:swilena/python/sps-local.in]),
		[chmod +x swilena/python/sps-local])
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## --------------- ##
## Configuration.  ##
## --------------- ##

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# Ask for config.h creation.
AC_CONFIG_HEADERS([config.h])
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# Ask for the Makefile creations.
AC_CONFIG_FILES([
  Makefile
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    external/Makefile
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    milena/Makefile
      milena/doc/Makefile
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      milena/doc/examples/Makefile
      milena/doc/ref_guide/Makefile
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      milena/doc/tutorial/Makefile
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      milena/doc/white_paper/Makefile
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      milena/mesh/Makefile
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])
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## ------- ##
## Tests.  ##
## ------- ##

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# Ask for the creation of a milena/tests/data.hh, used to access to
# data (images) from tests.
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AC_CONFIG_FILES([milena/tests/data.hh])

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# Ask for the creation of tests' Makefiles.
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# FIXME: Should it be achieved through oln.m4 macros, as we did in Olena 0.11?
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AC_CONFIG_FILES([
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  milena/tests/Makefile
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    milena/tests/accu/Makefile
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    milena/tests/accu/image/Makefile
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    milena/tests/accu/site_set/Makefile
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    milena/tests/accu/stat/Makefile
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    milena/tests/algebra/Makefile
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    milena/tests/arith/Makefile
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    milena/tests/binarization/Makefile
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    milena/tests/border/Makefile
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    milena/tests/canvas/Makefile
      milena/tests/canvas/browsing/Makefile
      milena/tests/canvas/morpho/Makefile
    milena/tests/convert/Makefile
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    milena/tests/convert/impl/Makefile
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    milena/tests/core/Makefile
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      milena/tests/core/alias/Makefile
      milena/tests/core/image/Makefile
      milena/tests/core/other/Makefile
      milena/tests/core/routine/Makefile
      milena/tests/core/site_set/Makefile
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    milena/tests/data/Makefile
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    milena/tests/debug/Makefile
    milena/tests/display/Makefile
    milena/tests/draw/Makefile
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    milena/tests/estim/Makefile
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    milena/tests/extension/Makefile
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    milena/tests/extract/Makefile
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    milena/tests/fun/Makefile
      milena/tests/fun/i2v/Makefile
      milena/tests/fun/p2b/Makefile
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      milena/tests/fun/p2p/Makefile
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      milena/tests/fun/p2v/Makefile
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      milena/tests/fun/stat/Makefile
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      milena/tests/fun/v2v/Makefile
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      milena/tests/fun/vv2v/Makefile
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      milena/tests/fun/x2x/Makefile
    milena/tests/geom/Makefile
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    milena/tests/graph/Makefile
      milena/tests/graph/attribute/Makefile
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    milena/tests/histo/Makefile
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    milena/tests/io/Makefile
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      milena/tests/io/dicom/Makefile
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      milena/tests/io/dump/Makefile
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      milena/tests/io/fits/Makefile
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      milena/tests/io/magick/Makefile
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      milena/tests/io/off/Makefile
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      milena/tests/io/pnm/Makefile
      milena/tests/io/ppm/Makefile
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      milena/tests/io/tiff/Makefile
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    milena/tests/labeling/Makefile
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    milena/tests/level/Makefile
      milena/tests/level/approx/Makefile
      milena/tests/level/naive/Makefile
    milena/tests/linear/Makefile
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      milena/tests/linear/gaussian/Makefile
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      milena/tests/linear/local/Makefile
    milena/tests/literal/Makefile
    milena/tests/logical/Makefile
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    milena/tests/make/Makefile
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    milena/tests/math/Makefile
    milena/tests/metal/Makefile
      milena/tests/metal/make/Makefile
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    milena/tests/morpho/Makefile
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      milena/tests/morpho/approx/Makefile
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      milena/tests/morpho/attribute/Makefile
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    milena/tests/trace/Makefile
    milena/tests/trait/Makefile
      milena/tests/trait/image/Makefile
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      milena/tests/trait/value/Makefile
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    milena/tests/unit_test/Makefile
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    milena/tests/util/Makefile
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    milena/tests/value/Makefile
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	milena/tests/world/inter_pixel/dim2/Makefile
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])
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## -------------- ##
## Applications.  ##
## -------------- ##

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AC_ARG_ENABLE([apps],
              [AS_HELP_STRING([--enable-apps],
                              [enable application])])
AM_CONDITIONAL([ENABLE_APPS], [test "x$enable_apps" = "xyes"])

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# Ask for the creation of applications' Makefiles.
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AC_CONFIG_FILES([
  milena/apps/Makefile
    milena/apps/statues/Makefile
])
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# Configure tests.
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# FIXME: Consider using `sed' instead of `configure' to create these
# tests for the sake of speed.
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AC_CONFIG_FILES([milena/apps/statues/test-mesh-max-curv],
		[chmod +x milena/apps/statues/test-mesh-max-curv])
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AC_CONFIG_FILES([milena/apps/statues/test-mesh-complex-max-curv],
		[chmod +x milena/apps/statues/test-mesh-complex-max-curv])
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AC_CONFIG_FILES([milena/apps/statues/test-mesh-segm],
		[chmod +x milena/apps/statues/test-mesh-segm])
AC_CONFIG_FILES([milena/apps/statues/test-mesh-complex-segm],
		[chmod +x milena/apps/statues/test-mesh-complex-segm])
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AC_CONFIG_FILES([milena/apps/statues/test-mesh-complex-max-curv-segm],
		[chmod +x milena/apps/statues/test-mesh-complex-max-curv-segm])
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AC_CONFIG_FILES([milena/apps/statues/test-mesh-complex-skel],
		[chmod +x milena/apps/statues/test-mesh-complex-skel])
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# Flags for apps.
AC_ARG_VAR([APPS_CXXFLAGS])
# We want fast binaries for apps.
if test "$GXX" = yes && test -z "$APPS_CXXFLAGS"; then
  APPS_CXXFLAGS="-O3 -DNDEBUG -ggdb -Wall -W"
fi

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## ------- ##
## Tools.  ##
## ------- ##

AC_ARG_ENABLE([tools],
              [AS_HELP_STRING([--enable-tools],
                              [enable tools])])
AM_CONDITIONAL([ENABLE_TOOLS], [test "x$enable_tools" = "xyes"])

# Ask for the creation of tools' Makefiles.
AC_CONFIG_FILES([milena/tools/Makefile])

# Flags for tools.
AC_ARG_VAR([TOOLS_CXXFLAGS])
# We want fast binaries for tools.
if test "$GXX" = yes && test -z "$TOOLS_CXXFLAGS"; then
  TOOLS_CXXFLAGS="-O3 -DNDEBUG -ggdb -Wall -W"
fi


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AC_OUTPUT