nl-unit-test/third_party/nlbuild-autotools/repo/examples/configure.ac - nest-guard/1.0/nl-unit-test - Git at Google

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

 #
 #    Copyright 2016 Nest Labs Inc. All Rights Reserved.
 #
 #    Licensed under the Apache License, Version 2.0 (the "License");
 #    you may not use this file except in compliance with the License.
 #    You may obtain a copy of the License at
 #
 #    http://www.apache.org/licenses/LICENSE-2.0
 #
 #    Unless required by applicable law or agreed to in writing, software
 #    distributed under the License is distributed on an "AS IS" BASIS,
 #    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
 #

 #
 #    Description:
 #      This file is the GNU autoconf input source file for
 #      @PACKAGE_DESCRIPTION@.
 #

 #
 # Declare autoconf version requirements
 #
 AC_PREREQ([2.68])

 #
 # Initialize autoconf for the package
 #
 AC_INIT([@PACKAGE_SHORT_UPPER@],
         m4_esyscmd([@NLBUILD_AUTOTOOLS_STEM@/scripts/mkversion -b `cat .default-version` .]),
         [@PACKAGE_EMAIL@],
         [@PACKAGE_SHORT_LOWER@],
         [@PACKAGE_URL@])

 # Tell the rest of the build system the absolute path where the
 # nlbuild-autotools repository is rooted at.

 AC_SUBST(nlbuild_autotools_stem,[@NLBUILD_AUTOTOOLS_STEM@])
 AC_SUBST(abs_top_nlbuild_autotools_dir,[\${abs_top_srcdir}/\${nlbuild_autotools_stem}])

 #
 # @PACKAGE_SHORT_UPPER@ interface current, revision, and age versions.
 #
 # Maintainters: Please manage these fields as follows:
 #
 #   Interfaces removed:    CURRENT++, AGE = 0, REVISION = 0
 #   Interfaces added:      CURRENT++, AGE++,   REVISION = 0
 #   No interfaces changed:                     REVISION++
 #
 #
 AC_SUBST(LIB@PACKAGE_SHORT_UPPER@_VERSION_CURRENT,  [1])
 AC_SUBST(LIB@PACKAGE_SHORT_UPPER@_VERSION_AGE,      [0])
 AC_SUBST(LIB@PACKAGE_SHORT_UPPER@_VERSION_REVISION, [0])
 AC_SUBST(LIB@PACKAGE_SHORT_UPPER@_VERSION_INFO,     [${LIB@PACKAGE_SHORT_UPPER@_VERSION_CURRENT}:${LIB@PACKAGE_SHORT_UPPER@_VERSION_REVISION}:${LIB@PACKAGE_SHORT_UPPER@_VERSION_AGE}])

 #
 # Check the sanity of the source directory by checking for the
 # presence of a key watch file
 #
 AC_CONFIG_SRCDIR([include/@PACKAGE_SHORT_LOWER@.h])

 #
 # Tell autoconf where to find auxilliary build tools (e.g. config.guess,
 # install-sh, missing, etc.)
 #
 AC_CONFIG_AUX_DIR([@NLBUILD_AUTOTOOLS_STEM@/autoconf])

 #
 # Tell autoconf where to find auxilliary M4 macros
 #
 AC_CONFIG_MACRO_DIR([@NLBUILD_AUTOTOOLS_STEM@/autoconf/m4])

 #
 # Tell autoconf what file the package is using to aggregate C preprocessor
 # defines.
 #
 AC_CONFIG_HEADERS([include/@PACKAGE_SHORT_LOWER@-config.h])

 #
 # Figure out what the canonical build, host and target tuples are.
 #
 AC_CANONICAL_BUILD
 AC_CANONICAL_HOST
 AC_CANONICAL_TARGET

 #
 # Mac OS X / Darwin ends up putting some versioning cruft on the end of its
 # tuple that we don't care about in this script. Create "clean" variables
 # devoid of it.
 #

 NL_FILTERED_CANONICAL_BUILD
 NL_FILTERED_CANONICAL_HOST
 NL_FILTERED_CANONICAL_TARGET

 #
 # Configure automake with the desired options, indicating that this is not
 # a native GNU package, that we want "silent" build rules, and that we want
 # objects built in the same subdirectory as their source rather than collapsed
 # together at the top-level directory.
 #
 # Disable silent build rules by either passing --disable-silent-rules to
 # configure or passing V=1 to make
 #
 AM_INIT_AUTOMAKE([1.14 foreign silent-rules subdir-objects tar-pax])

 #
 # Silent build rules requires at least automake-1.11. Employ
 # techniques for not breaking earlier versions of automake.
 #
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 AM_SILENT_RULES([yes])

 #
 # Enable maintainer mode to prevent the package from constantly trying
 # to rebuild configure, Makefile.in, etc. Rebuilding such files rarely,
 # if ever, needs to be done "in the field".
 #
 # Use the included 'bootstrap' script instead when necessary.
 #
 AM_MAINTAINER_MODE

 #
 # Checks for build host programs
 #

 # If we are cross-compiling and we are on an embedded target that
 # doesn't support independent, standalone executables, then all
 # compiler tests that attempt to create an executable will fail. In
 # such circumstances, set AC_NO_EXECUTABLES (see http://sourceware.org/
 # ml/newlib/2006/msg00353.html).

 AC_MSG_CHECKING([whether to disable executable checking])
 if test "$cross_compiling" = yes; then
     AC_NO_EXECUTABLES
     AC_MSG_RESULT([yes])
 else
     AC_MSG_RESULT([no])
 fi

 # Passing -Werror to GCC-based or -compatible compilers breaks some
 # autoconf tests (see
 # http://lists.gnu.org/archive/html/autoconf-patches/2008-09/msg00014.html).
 #
 # If -Werror has been passed transform it into -Wno-error. We'll
 # transform it back later with NL_RESTORE_WERROR.

 NL_SAVE_WERROR

 # Check for compilers.
 #
 # These should be checked BEFORE we check for and, implicitly,
 # initialize libtool such that libtool knows what languages it has to
 # work with.

 AC_PROG_CPP
 AC_PROG_CPP_WERROR

 AC_PROG_CC
 AC_PROG_CC_C_O

 AC_PROG_CXXCPP

 AC_PROG_CXX
 AC_PROG_CXX_C_O

 # Check for other compiler toolchain tools.

 AC_CHECK_TOOL(AR, ar)
 AC_CHECK_TOOL(RANLIB, ranlib)
 AC_CHECK_TOOL(OBJCOPY, objcopy)
 AC_CHECK_TOOL(STRIP, strip)

 # Check for other host tools.

 AC_PROG_INSTALL
 AC_PROG_LN_S

 AC_PATH_PROG(CMP, cmp)
 AC_PATH_PROG(PERL, perl)

 #
 # Checks for specific compiler characteristics
 #

 #
 # Common compiler flags we would like to have.
 #
 #   -Wall                        CC, CXX
 #

 PROSPECTIVE_CFLAGS="-Wall"
 PROSPECTIVE_CXXFLAGS=""

 AX_CHECK_COMPILER_OPTIONS([C],   ${PROSPECTIVE_CFLAGS})
 AX_CHECK_COMPILER_OPTIONS([C++], ${PROSPECTIVE_CFLAGS} ${PROSPECTIVE_CXXFLAGS})

 # Check for and initialize libtool

 LT_INIT

 #
 # Debug instances
 #
 AC_MSG_NOTICE([checking whether to build debug instances])

 # Debug

 NL_ENABLE_DEBUG([no])

 AM_CONDITIONAL([@PACKAGE_SHORT_UPPER@_BUILD_DEBUG], [test "${nl_cv_build_debug}" = "yes"])

 #
 # Code coverage and compiler optimization
 #

 # Coverage

 NL_ENABLE_COVERAGE([no])

 AM_CONDITIONAL([@PACKAGE_SHORT_UPPER@_BUILD_COVERAGE], [test "${nl_cv_build_coverage}" = "yes"])

 NL_ENABLE_COVERAGE_REPORTS([auto])

 AM_CONDITIONAL([@PACKAGE_SHORT_UPPER@_BUILD_COVERAGE_REPORTS], [test "${nl_cv_build_coverage_reports}" = "yes"])

 # Optimization

 NL_ENABLE_OPTIMIZATION([yes])

 AM_CONDITIONAL([@PACKAGE_SHORT_UPPER@_BUILD_OPTIMIZED], [test "${nl_cv_build_optimized}" = "yes"])

 #
 # Tests
 #
 AC_MSG_NOTICE([checking whether to build tests])

 # Tests

 NL_ENABLE_TESTS([yes])

 AM_CONDITIONAL([@PACKAGE_SHORT_UPPER@_BUILD_TESTS], [test "${nl_cv_build_tests}" = "yes"])

 #
 # Documentation
 #

 # Determine whether or not documentation (via Doxygen) should be built
 # or not, with 'auto' as the default and establish a default support
 # value for GraphViz 'dot' support.

 NL_ENABLE_DOCS([auto],[NO])

 AM_CONDITIONAL(@PACKAGE_SHORT_UPPER@_BUILD_DOCS, [test "${nl_cv_build_docs}" = "yes"])

 #
 # Checks for libraries and packages.
 #
 # At minimum, the following packages are optional, depending on
 # configuration:
 #
 #   * TBD
 #
 AC_MSG_NOTICE([checking required package dependencies])

 # NL_WITH_PACKAGE(...)

 # Check if the build host has pkg-config

 AC_PATH_PROG([PKG_CONFIG],[pkg-config])

 #
 # Check for headers
 #
 AC_HEADER_STDBOOL
 AC_HEADER_STDC

 AC_CHECK_HEADERS([stdint.h])
 AC_CHECK_HEADERS([string.h])

 #
 # Check for types and structures
 #
 AC_TYPE_INT8_T
 AC_TYPE_INT16_T
 AC_TYPE_INT32_T
 AC_TYPE_INT64_T
 AC_TYPE_UINT8_T
 AC_TYPE_UINT16_T
 AC_TYPE_UINT32_T
 AC_TYPE_UINT64_T

 #
 # Checks for library functions
 #

 if test "${ac_no_link}" != "yes"; then
     AC_CHECK_FUNCS([memcpy])
 fi

 # Add any code coverage CPPFLAGS and LDFLAGS

 CPPFLAGS="${CPPFLAGS} ${NL_COVERAGE_CPPFLAGS}"
 LDFLAGS="${LDFLAGS} ${NL_COVERAGE_LDFLAGS}"

 # At this point, we can restore the compiler flags to whatever the
 # user passed in, now that we're clear of an -Werror issues by
 # transforming -Wno-error back to -Werror.

 NL_RESTORE_WERROR

 #
 # Identify the various makefiles and auto-generated files for the package
 #
 AC_CONFIG_FILES([
 Makefile
 third_party/Makefile
 src/Makefile
 tests/Makefile
 doc/Makefile
 ])

 #
 # Generate the auto-generated files for the package
 #
 AC_OUTPUT

 #
 # Summarize the package configuration
 #

 AC_MSG_NOTICE([

   Configuration Summary
   ---------------------
   Package                                   : ${PACKAGE_NAME}
   Version                                   : ${PACKAGE_VERSION}
   Interface                                 : ${LIB@PACKAGE_SHORT_UPPER@_VERSION_INFO//:/.}
   Build system                              : ${build}
   Host system                               : ${host}
   Target system                             : ${target}
   Target architecture                       : ${target_cpu}
   Target OS                                 : ${target_os}
   Cross compiling                           : ${cross_compiling}
   Build shared libraries                    : ${enable_shared}
   Build static libraries                    : ${enable_static}
   Build debug libraries                     : ${nl_cv_build_debug}
   Build optimized libraries                 : ${nl_cv_build_optimized}
   Build coverage libraries                  : ${nl_cv_build_coverage}
   Build coverage reports                    : ${nl_cv_build_coverage_reports}
   Lcov                                      : ${LCOV:--}
   Genhtml                                   : ${GENHTML:--}
   Build tests                               : ${nl_cv_build_tests}
   Prefix                                    : ${prefix}
   Shadow directory program                  : ${LNDIR}
   Documentation support                     : ${nl_cv_build_docs}
   Doxygen                                   : ${DOXYGEN:--}
   GraphViz dot                              : ${DOT:--}
   PERL                                      : ${PERL:--}
   C Preprocessor                            : ${CPP}
   C Compiler                                : ${CC}
   C++ Preprocessor                          : ${CXXCPP}
   C++ Compiler                              : ${CXX}
   Archiver                                  : ${AR}
   Archive Indexer                           : ${RANLIB}
   Symbol Stripper                           : ${STRIP}
   Object Copier                             : ${OBJCOPY}
   C Preprocessor flags                      : ${CPPFLAGS:--}
   C Compile flags                           : ${CFLAGS:--}
   C++ Compile flags                         : ${CXXFLAGS:--}
   Link flags                                : ${LDFLAGS:--}
   Link libraries                            : ${LIBS}

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

	#
	# Copyright 2016 Nest Labs Inc. All Rights Reserved.
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.
	#

	#
	# Description:
	# This file is the GNU autoconf input source file for
	# @PACKAGE_DESCRIPTION@.
	#

	#
	# Declare autoconf version requirements
	#
	AC_PREREQ([2.68])

	#
	# Initialize autoconf for the package
	#
	AC_INIT([@PACKAGE_SHORT_UPPER@],
	m4_esyscmd([@NLBUILD_AUTOTOOLS_STEM@/scripts/mkversion -b `cat .default-version` .]),
	[@PACKAGE_EMAIL@],
	[@PACKAGE_SHORT_LOWER@],
	[@PACKAGE_URL@])

	# Tell the rest of the build system the absolute path where the
	# nlbuild-autotools repository is rooted at.

	AC_SUBST(nlbuild_autotools_stem,[@NLBUILD_AUTOTOOLS_STEM@])
	AC_SUBST(abs_top_nlbuild_autotools_dir,[\${abs_top_srcdir}/\${nlbuild_autotools_stem}])

	#
	# @PACKAGE_SHORT_UPPER@ interface current, revision, and age versions.
	#
	# Maintainters: Please manage these fields as follows:
	#
	# Interfaces removed: CURRENT++, AGE = 0, REVISION = 0
	# Interfaces added: CURRENT++, AGE++, REVISION = 0
	# No interfaces changed: REVISION++
	#
	#
	AC_SUBST(LIB@PACKAGE_SHORT_UPPER@_VERSION_CURRENT, [1])
	AC_SUBST(LIB@PACKAGE_SHORT_UPPER@_VERSION_AGE, [0])
	AC_SUBST(LIB@PACKAGE_SHORT_UPPER@_VERSION_REVISION, [0])
	AC_SUBST(LIB@PACKAGE_SHORT_UPPER@_VERSION_INFO, [${LIB@PACKAGE_SHORT_UPPER@_VERSION_CURRENT}:${LIB@PACKAGE_SHORT_UPPER@_VERSION_REVISION}:${LIB@PACKAGE_SHORT_UPPER@_VERSION_AGE}])

	#
	# Check the sanity of the source directory by checking for the
	# presence of a key watch file
	#
	AC_CONFIG_SRCDIR([include/@PACKAGE_SHORT_LOWER@.h])

	#
	# Tell autoconf where to find auxilliary build tools (e.g. config.guess,
	# install-sh, missing, etc.)
	#
	AC_CONFIG_AUX_DIR([@NLBUILD_AUTOTOOLS_STEM@/autoconf])

	#
	# Tell autoconf where to find auxilliary M4 macros
	#
	AC_CONFIG_MACRO_DIR([@NLBUILD_AUTOTOOLS_STEM@/autoconf/m4])

	#
	# Tell autoconf what file the package is using to aggregate C preprocessor
	# defines.
	#
	AC_CONFIG_HEADERS([include/@PACKAGE_SHORT_LOWER@-config.h])

	#
	# Figure out what the canonical build, host and target tuples are.
	#
	AC_CANONICAL_BUILD
	AC_CANONICAL_HOST
	AC_CANONICAL_TARGET

	#
	# Mac OS X / Darwin ends up putting some versioning cruft on the end of its
	# tuple that we don't care about in this script. Create "clean" variables
	# devoid of it.
	#

	NL_FILTERED_CANONICAL_BUILD
	NL_FILTERED_CANONICAL_HOST
	NL_FILTERED_CANONICAL_TARGET

	#
	# Configure automake with the desired options, indicating that this is not
	# a native GNU package, that we want "silent" build rules, and that we want
	# objects built in the same subdirectory as their source rather than collapsed
	# together at the top-level directory.
	#
	# Disable silent build rules by either passing --disable-silent-rules to
	# configure or passing V=1 to make
	#
	AM_INIT_AUTOMAKE([1.14 foreign silent-rules subdir-objects tar-pax])

	#
	# Silent build rules requires at least automake-1.11. Employ
	# techniques for not breaking earlier versions of automake.
	#
	m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
	AM_SILENT_RULES([yes])

	#
	# Enable maintainer mode to prevent the package from constantly trying
	# to rebuild configure, Makefile.in, etc. Rebuilding such files rarely,
	# if ever, needs to be done "in the field".
	#
	# Use the included 'bootstrap' script instead when necessary.
	#
	AM_MAINTAINER_MODE

	#
	# Checks for build host programs
	#

	# If we are cross-compiling and we are on an embedded target that
	# doesn't support independent, standalone executables, then all
	# compiler tests that attempt to create an executable will fail. In
	# such circumstances, set AC_NO_EXECUTABLES (see http://sourceware.org/
	# ml/newlib/2006/msg00353.html).

	AC_MSG_CHECKING([whether to disable executable checking])
	if test "$cross_compiling" = yes; then
	AC_NO_EXECUTABLES
	AC_MSG_RESULT([yes])
	else
	AC_MSG_RESULT([no])
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	# Passing -Werror to GCC-based or -compatible compilers breaks some
	# autoconf tests (see
	# http://lists.gnu.org/archive/html/autoconf-patches/2008-09/msg00014.html).
	#
	# If -Werror has been passed transform it into -Wno-error. We'll
	# transform it back later with NL_RESTORE_WERROR.

	NL_SAVE_WERROR

	# Check for compilers.
	#
	# These should be checked BEFORE we check for and, implicitly,
	# initialize libtool such that libtool knows what languages it has to
	# work with.

	AC_PROG_CPP
	AC_PROG_CPP_WERROR

	AC_PROG_CC
	AC_PROG_CC_C_O

	AC_PROG_CXXCPP

	AC_PROG_CXX
	AC_PROG_CXX_C_O

	# Check for other compiler toolchain tools.

	AC_CHECK_TOOL(AR, ar)
	AC_CHECK_TOOL(RANLIB, ranlib)
	AC_CHECK_TOOL(OBJCOPY, objcopy)
	AC_CHECK_TOOL(STRIP, strip)

	# Check for other host tools.

	AC_PROG_INSTALL
	AC_PROG_LN_S

	AC_PATH_PROG(CMP, cmp)
	AC_PATH_PROG(PERL, perl)

	#
	# Checks for specific compiler characteristics
	#

	#
	# Common compiler flags we would like to have.
	#
	# -Wall CC, CXX
	#

	PROSPECTIVE_CFLAGS="-Wall"
	PROSPECTIVE_CXXFLAGS=""

	AX_CHECK_COMPILER_OPTIONS([C], ${PROSPECTIVE_CFLAGS})
	AX_CHECK_COMPILER_OPTIONS([C++], ${PROSPECTIVE_CFLAGS} ${PROSPECTIVE_CXXFLAGS})

	# Check for and initialize libtool

	LT_INIT

	#
	# Debug instances
	#
	AC_MSG_NOTICE([checking whether to build debug instances])

	# Debug

	NL_ENABLE_DEBUG([no])

	AM_CONDITIONAL([@PACKAGE_SHORT_UPPER@_BUILD_DEBUG], [test "${nl_cv_build_debug}" = "yes"])

	#
	# Code coverage and compiler optimization
	#

	# Coverage

	NL_ENABLE_COVERAGE([no])

	AM_CONDITIONAL([@PACKAGE_SHORT_UPPER@_BUILD_COVERAGE], [test "${nl_cv_build_coverage}" = "yes"])

	NL_ENABLE_COVERAGE_REPORTS([auto])

	AM_CONDITIONAL([@PACKAGE_SHORT_UPPER@_BUILD_COVERAGE_REPORTS], [test "${nl_cv_build_coverage_reports}" = "yes"])

	# Optimization

	NL_ENABLE_OPTIMIZATION([yes])

	AM_CONDITIONAL([@PACKAGE_SHORT_UPPER@_BUILD_OPTIMIZED], [test "${nl_cv_build_optimized}" = "yes"])

	#
	# Tests
	#
	AC_MSG_NOTICE([checking whether to build tests])

	# Tests

	NL_ENABLE_TESTS([yes])

	AM_CONDITIONAL([@PACKAGE_SHORT_UPPER@_BUILD_TESTS], [test "${nl_cv_build_tests}" = "yes"])

	#
	# Documentation
	#

	# Determine whether or not documentation (via Doxygen) should be built
	# or not, with 'auto' as the default and establish a default support
	# value for GraphViz 'dot' support.

	NL_ENABLE_DOCS([auto],[NO])

	AM_CONDITIONAL(@PACKAGE_SHORT_UPPER@_BUILD_DOCS, [test "${nl_cv_build_docs}" = "yes"])

	#
	# Checks for libraries and packages.
	#
	# At minimum, the following packages are optional, depending on
	# configuration:
	#
	# * TBD
	#
	AC_MSG_NOTICE([checking required package dependencies])

	# NL_WITH_PACKAGE(...)

	# Check if the build host has pkg-config

	AC_PATH_PROG([PKG_CONFIG],[pkg-config])

	#
	# Check for headers
	#
	AC_HEADER_STDBOOL
	AC_HEADER_STDC

	AC_CHECK_HEADERS([stdint.h])
	AC_CHECK_HEADERS([string.h])

	#
	# Check for types and structures
	#
	AC_TYPE_INT8_T
	AC_TYPE_INT16_T
	AC_TYPE_INT32_T
	AC_TYPE_INT64_T
	AC_TYPE_UINT8_T
	AC_TYPE_UINT16_T
	AC_TYPE_UINT32_T
	AC_TYPE_UINT64_T

	#
	# Checks for library functions
	#

	if test "${ac_no_link}" != "yes"; then
	AC_CHECK_FUNCS([memcpy])
	fi

	# Add any code coverage CPPFLAGS and LDFLAGS

	CPPFLAGS="${CPPFLAGS} ${NL_COVERAGE_CPPFLAGS}"
	LDFLAGS="${LDFLAGS} ${NL_COVERAGE_LDFLAGS}"

	# At this point, we can restore the compiler flags to whatever the
	# user passed in, now that we're clear of an -Werror issues by
	# transforming -Wno-error back to -Werror.

	NL_RESTORE_WERROR

	#
	# Identify the various makefiles and auto-generated files for the package
	#
	AC_CONFIG_FILES([
	Makefile
	third_party/Makefile
	src/Makefile
	tests/Makefile
	doc/Makefile
	])

	#
	# Generate the auto-generated files for the package
	#
	AC_OUTPUT

	#
	# Summarize the package configuration
	#

	AC_MSG_NOTICE([

	Configuration Summary
	---------------------
	Package : ${PACKAGE_NAME}
	Version : ${PACKAGE_VERSION}
	Interface : ${LIB@PACKAGE_SHORT_UPPER@_VERSION_INFO//:/.}
	Build system : ${build}
	Host system : ${host}
	Target system : ${target}
	Target architecture : ${target_cpu}
	Target OS : ${target_os}
	Cross compiling : ${cross_compiling}
	Build shared libraries : ${enable_shared}
	Build static libraries : ${enable_static}
	Build debug libraries : ${nl_cv_build_debug}
	Build optimized libraries : ${nl_cv_build_optimized}
	Build coverage libraries : ${nl_cv_build_coverage}
	Build coverage reports : ${nl_cv_build_coverage_reports}
	Lcov : ${LCOV:--}
	Genhtml : ${GENHTML:--}
	Build tests : ${nl_cv_build_tests}
	Prefix : ${prefix}
	Shadow directory program : ${LNDIR}
	Documentation support : ${nl_cv_build_docs}
	Doxygen : ${DOXYGEN:--}
	GraphViz dot : ${DOT:--}
	PERL : ${PERL:--}
	C Preprocessor : ${CPP}
	C Compiler : ${CC}
	C++ Preprocessor : ${CXXCPP}
	C++ Compiler : ${CXX}
	Archiver : ${AR}
	Archive Indexer : ${RANLIB}
	Symbol Stripper : ${STRIP}
	Object Copier : ${OBJCOPY}
	C Preprocessor flags : ${CPPFLAGS:--}
	C Compile flags : ${CFLAGS:--}
	C++ Compile flags : ${CXXFLAGS:--}
	Link flags : ${LDFLAGS:--}
	Link libraries : ${LIBS}

	])