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configure.ac
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configure.ac
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# -*- Autoconf -*-
## Process this file with autoconf to produce a configure script.
# This is part of Unidata's netCDF package. Copyright 2005-2018, see
# the COPYRIGHT file for more information.
# Ed Hartnett, Ward Fisher, Dennis Heimbigner
# Running autoconf on this file will trigger a warning if
# autoconf is not at least the specified version.
AC_PREREQ([2.59])
# Initialize with name, version, and support email address.
AC_INIT([netCDF], [4.7.4-development], [support-netcdf@unidata.ucar.edu], [netcdf-c])
##
# Prefer an empty CFLAGS variable instead of the default -g -O2.
# See:
# * http://www.gnu.org/savannah-checkouts/gnu/autoconf/manual/autoconf-2.69/html_node/C-Compiler.html#C-Compiler
##
: ${CFLAGS=""}
AC_SUBST([NC_VERSION_MAJOR]) NC_VERSION_MAJOR=4
AC_SUBST([NC_VERSION_MINOR]) NC_VERSION_MINOR=7
AC_SUBST([NC_VERSION_PATCH]) NC_VERSION_PATCH=4
AC_SUBST([NC_VERSION_NOTE]) NC_VERSION_NOTE="-development"
#####
# Set some variables used to generate a libnetcdf.settings file,
# pattered after the files generated by libhdf4, libhdf5.
#####
# Create the VERSION file, which contains the package version from
# AC_INIT.
echo AC_PACKAGE_VERSION>VERSION
AC_SUBST(PACKAGE_VERSION)
AC_MSG_NOTICE([netCDF AC_PACKAGE_VERSION])
# Keep libtool macros in an m4 directory.
AC_CONFIG_MACRO_DIR([m4])
# Configuration Date
if test "x$SOURCE_DATE_EPOCH" != "x" ; then
AC_SUBST([CONFIG_DATE]) CONFIG_DATE="`date -u -d "${SOURCE_DATE_EPOCH}"`"
else
AC_SUBST([CONFIG_DATE]) CONFIG_DATE="`date`"
fi
# Find out about the host we're building on.
AC_CANONICAL_HOST
# Find out about the target we're building for.
AC_CANONICAL_TARGET
AC_CONFIG_HEADERS([config.h])
##
# Some files need to exist in build directories
# that do not correspond to their source directory, or
# the test program makes an assumption about where files
# live. AC_CONFIG_LINKS provides a mechanism to link/copy files
# if an out-of-source build is happening.
##
AC_CONFIG_LINKS([nc_test4/ref_hdf5_compat1.nc:nc_test4/ref_hdf5_compat1.nc])
AC_CONFIG_LINKS([nc_test4/ref_hdf5_compat2.nc:nc_test4/ref_hdf5_compat2.nc])
AC_CONFIG_LINKS([nc_test4/ref_hdf5_compat3.nc:nc_test4/ref_hdf5_compat3.nc])
AC_CONFIG_LINKS([hdf4_test/ref_chunked.hdf4:hdf4_test/ref_chunked.hdf4])
AC_CONFIG_LINKS([hdf4_test/ref_contiguous.hdf4:hdf4_test/ref_contiguous.hdf4])
AM_INIT_AUTOMAKE([foreign dist-zip subdir-objects])
# Check for the existence of this file before proceeding.
AC_CONFIG_SRCDIR([include/netcdf.h])
AC_MSG_NOTICE([checking user options])
# Did the user specify a default minimum blocksize (NCIO_MINBLOCKSIZE) for posixio?
AC_MSG_CHECKING([whether a NCIO_MINBLOCKSIZE was specified])
AC_ARG_WITH([minblocksize],
[AS_HELP_STRING([--with-minblocksize=<integer>],
[Specify minimum I/O blocksize for netCDF classic and 64-bit offset format files.])],
[NCIO_MINBLOCKSIZE=$with_minblocksize], [NCIO_MINBLOCKSIZE=256])
AC_MSG_RESULT([$NCIO_MINBLOCKSIZE])
AC_DEFINE_UNQUOTED([NCIO_MINBLOCKSIZE], [$NCIO_MINBLOCKSIZE], [min blocksize for posixio.])
# Find valgrind, if available, and add targets for it.
AX_VALGRIND_DFLT([sgcheck], [off])
AX_VALGRIND_CHECK
AM_CONDITIONAL(ENABLE_VALGRIND, [test "x$VALGRIND_ENABLED" = xyes])
###
# Doxygen and doxygen-related options.
###
AC_ARG_ENABLE([doxygen],
[AS_HELP_STRING([--enable-doxygen],
[Enable generation of documentation.])])
test "x$enable_doxygen" = xyes || enable_doxygen=no
AM_CONDITIONAL([BUILD_DOCS], [test "x$enable_doxygen" = xyes])
AC_ARG_ENABLE([doxygen-tasks],
[AS_HELP_STRING([--enable-doxygen-tasks],
[Enable Doxygen-generated test, todo and bug list documentation. Developers only.])])
test "x$enable_doxygen_tasks" = xyes || enable_doxygen_tasks=no
AM_CONDITIONAL([SHOW_DOXYGEN_TAG_LIST], [test "x$enable_doxygen_tasks" = xyes])
AC_SUBST([SHOW_DOXYGEN_TAG_LIST], [$enable_doxygen_tasks])
###
# Determine if we should build documentation
# configured for releases on the Unidata web server.
###
AC_ARG_ENABLE([doxygen-build-release-docs],
[AS_HELP_STRING([--enable-doxygen-build-release-docs],
[Build release documentation. This is of interest only to developers.])])
test "x$enable_doxygen_build_release_docs" = xyes || enable_doxygen_build_release_docs=no
AM_CONDITIONAL([DOXYGEN_BUILD_RELEASE_DOCS], [test "x$enable_doxygen_build_release_docs" = xyes])
if test $enable_doxygen_build_release_docs = yes; then
AC_SUBST([DOXYGEN_CSS_FILE], ["release.css"])
AC_SUBST([DOXYGEN_HEADER_FILE], ["release_header.html"])
AC_SUBST([DOXYGEN_SEARCHENGINE], ["NO"])
else
AC_SUBST([DOXYGEN_CSS_FILE], [])
AC_SUBST([DOXYGEN_HEADER_FILE], [])
AC_SUBST([DOXYGEN_SEARCHENGINE], ["YES"])
fi
AC_SUBST([DOXYGEN_SERVER_BASED_SEARCH], ["NO"])
AC_ARG_ENABLE([doxygen-pdf-output],
[AS_HELP_STRING([--enable-doxygen-pdf-output],
[Build netCDF library documentation in PDF format. Experimental.])])
AM_CONDITIONAL([NC_ENABLE_DOXYGEN_PDF_OUTPUT], [test "x$enable_doxygen_pdf_output" = xyes])
AC_SUBST([NC_ENABLE_DOXYGEN_PDF_OUTPUT], [$enable_doxygen_pdf_output])
AC_ARG_ENABLE([dot],
[AS_HELP_STRING([--enable-dot],
[Use dot (provided by graphviz) to generate charts and graphs in the doxygen-based documentation.])])
test "x$enable_dot" = xyes || enable_dot=no
AC_ARG_ENABLE([internal-docs],
[AS_HELP_STRING([--enable-internal-docs],
[Include documentation of library internals. This is of interest only to those developing the netCDF library.])])
test "x$enable_internal_docs" = xyes || enable_internal_docs=no
AC_SUBST([BUILD_INTERNAL_DOCS], [$enable_internal_docs])
# Doxygen is apparently buggy when trying to combine a markdown
# file with @internal. The equivalent can be faked using
# the Doxygen ENABLED_SECTIONS mechanism. See docs/testserver.dox
# to see how this is done.
sections=
if test "x$enable_internal_docs" = xyes ; then
sections="$sections INTERNAL"
fi
AC_SUBST([ENABLED_DOC_SECTIONS], [$sections])
AC_MSG_CHECKING([if fsync support is enabled])
AC_ARG_ENABLE([fsync],
[AS_HELP_STRING([--enable-fsync],
[enable fsync support])],
[],
[enable_fsync=no])
test "x$enable_fsync" = xno || enable_fsync=yes
AC_MSG_RESULT($enable_fsync)
if test "x$enable_fsync" = xyes ; then
AC_DEFINE([USE_FSYNC], [1], [if true, include experimental fsync code])
fi
# Temporary until JNA bug is fixed (which is probably never).
# The problem being solved is this:
# > On Windows using the microsoft runtime, it is an error
# > for one library to free memory allocated by a different library.
# This is probably only an issue when using the netcdf-c library
# via JNA under Java.
AC_MSG_CHECKING([if jna bug workaround is enabled])
AC_ARG_ENABLE([jna],
[AS_HELP_STRING([--enable-jna],
[enable jna bug workaround])],
[],
[enable_jna=no])
test "x$enable_jna" = xno || enable_jna=yes
AC_MSG_RESULT($enable_jna)
if test "x$enable_jna" = xyes ; then
AC_DEFINE([JNA], [1], [if true, include jna bug workaround code])
fi
# Does the user want to turn off unit tests (useful for test coverage
# analysis).
AC_ARG_ENABLE([unit-tests],
[AS_HELP_STRING([--disable-unit-tests],
[Disable tests in unit_test directory. Other tests still run.])])
test "x$enable_unit_tests" = xno || enable_unit_tests=yes
AM_CONDITIONAL([BUILD_UNIT_TESTS], [test "x$enable_unit_tests" = xyes])
# Does the user want to build netcdf-4?
AC_MSG_CHECKING([whether we should build netCDF-4])
AC_ARG_ENABLE([netcdf-4], [AS_HELP_STRING([--disable-netcdf-4],
[do not build with netcdf-4 (else HDF5 and zlib required)])])
test "x$enable_netcdf_4" = xno || enable_netcdf_4=yes
# Synonym
AC_ARG_ENABLE([netcdf4], [AS_HELP_STRING([--disable-netcdf4],
[(just a synonym for --disable-netcdf-4)])])
test "x$enable_netcdf4" = xno || enable_netcdf4=yesi
if test "x$enable_netcdf4" = xno ; then
enable_netcdf_4=no
fi
AC_MSG_RESULT([$enable_netcdf_4])
# Does the user want to use HDF5?
AC_MSG_CHECKING([whether we should build with HDF5])
#enable_hdf5=$enable_netcdf_4
AC_ARG_ENABLE([hdf5], [AS_HELP_STRING([--disable-hdf5],
[do not build with HDF5])])
test "x$enable_hdf5" = xno || enable_hdf5=yes
if test "x$enable_netcdf_4" = xno ; then
enable_hdf5=no
fi
AC_MSG_RESULT([$enable_hdf5])
# Does the user require dynamic loading?
# This is only for those hdf5 installs that support it.
AC_MSG_CHECKING([do we require hdf5 dynamic-loading support])
AC_ARG_ENABLE([dynamic-loading], [AS_HELP_STRING([--enable-dynamic-loading],
[enable dynamic loading for use with supported hdf5 installs (libdl, HDF5 required)])])
test "x$enable_dynamic_loading" = xno || enable_dynamic_loading=yes
AC_MSG_RESULT([$enable_dynamic_loading])
# Does the user want to turn on HDF4 read ability?
AC_MSG_CHECKING([whether reading of HDF4 SD files is to be enabled])
AC_ARG_ENABLE([hdf4], [AS_HELP_STRING([--enable-hdf4],
[build netcdf-4 with HDF4 read capability (HDF4, HDF5 and zlib required)])])
test "x$enable_hdf4" = xyes || enable_hdf4=no
if test "x$enable_hdf4" = xyes -a "x$enable_netcdf_4" = xno; then
AC_MSG_ERROR([NetCDF-4 is required for HDF4 features])
fi
AC_MSG_RESULT($enable_hdf4)
# Does the user want to turn on extra HDF4 file tests?
AC_MSG_CHECKING([whether to fetch some sample HDF4 files from Unidata ftp site to test HDF4 reading (requires wget)])
AC_ARG_ENABLE([hdf4-file-tests], [AS_HELP_STRING([--enable-hdf4-file-tests],
[get some HDF4 files from Unidata ftp site and test that they can be read])])
test "x$enable_hdf4" = xyes -a "x$enable_hdf4_file_tests" = xyes || enable_hdf4_file_tests=no
if test "x$enable_hdf4_file_tests" = xyes; then
AC_DEFINE([USE_HDF4_FILE_TESTS], 1, [If true, use use wget to fetch some sample HDF4 data, and then test against it.])
fi
AC_MSG_RESULT($enable_hdf4_file_tests)
# Does the user want to try to install netcdf-fortran
# automatically?
AC_MSG_CHECKING([whether we should attempt to install netcdf-fortran (EXPERIMENTAL)])
AC_ARG_ENABLE([remote-fortran-bootstrap], [AS_HELP_STRING([--enable-remote-fortran-bootstrap],
[Download and install netcdf-fortran (EXPERIMENTAL)])])
test "x$enable_remote_fortran_bootstrap" = xyes || enable_remote_fortran_bootstrap=no
AC_MSG_RESULT([$enable_remote_fortran_bootstrap])
# Does the user want to run extra parallel tests when parallel netCDF-4 is built?
AC_MSG_CHECKING([whether parallel IO tests should be run])
AC_ARG_ENABLE([parallel-tests],
[AS_HELP_STRING([--enable-parallel-tests],
[Run extra parallel IO tests. Requires netCDF-4
with parallel I/O support.])])
test "x$enable_parallel_tests" = xyes || enable_parallel_tests=no
AC_MSG_RESULT($enable_parallel_tests)
# Did the user specify an MPI launcher other than mpiexec?
AC_MSG_CHECKING([whether a user specified program to run mpi programs])
AC_ARG_WITH([mpiexec],
[AS_HELP_STRING([--with-mpiexec=<command>],
[Specify command to launch MPI parallel tests.])],
[MPIEXEC=$with_mpiexec], [MPIEXEC=mpiexec])
AC_MSG_RESULT([$MPIEXEC])
AC_SUBST([MPIEXEC], [$MPIEXEC])
# Did the user specify a default chunk size?
AC_MSG_CHECKING([whether a default chunk size in bytes was specified])
AC_ARG_WITH([default-chunk-size],
[AS_HELP_STRING([--with-default-chunk-size=<integer>],
[Specify default size of chunks in bytes.])],
[DEFAULT_CHUNK_SIZE=$with_default_chunk_size], [DEFAULT_CHUNK_SIZE=4194304])
AC_MSG_RESULT([$DEFAULT_CHUNK_SIZE])
AC_DEFINE_UNQUOTED([DEFAULT_CHUNK_SIZE], [$DEFAULT_CHUNK_SIZE], [default chunk size in bytes])
# Did the user specify a max per-var cache size?
AC_MSG_CHECKING([whether a maximum per-variable cache size for HDF5 was specified])
AC_ARG_WITH([max-default-cache-size],
[AS_HELP_STRING([--with-max-default-cache-size=<integer>],
[Specify maximum size (in bytes) for the default per-var chunk cache.])],
[MAX_DEFAULT_CACHE_SIZE=$with_max_default_cache_size], [MAX_DEFAULT_CACHE_SIZE=67108864])
AC_MSG_RESULT([$MAX_DEFAULT_CACHE_SIZE])
AC_DEFINE_UNQUOTED([MAX_DEFAULT_CACHE_SIZE], [$MAX_DEFAULT_CACHE_SIZE], [max size of the default per-var chunk cache.])
# Did the user specify a number of chunks in default per-var cache size?
AC_MSG_CHECKING([whether a number of chunks for the default per-variable cache was specified])
AC_ARG_WITH([default-chunks-in-cache],
[AS_HELP_STRING([--with-default-chunks-in-cache=<integer>],
[Specify the number of chunks to store in default per-variable cache.])],
[DEFAULT_CHUNKS_IN_CACHE=$with_default_chunks_in_cache], [DEFAULT_CHUNKS_IN_CACHE=10])
AC_MSG_RESULT([$DEFAULT_CHUNKS_IN_CACHE])
AC_DEFINE_UNQUOTED([DEFAULT_CHUNKS_IN_CACHE], [$DEFAULT_CHUNKS_IN_CACHE], [num chunks in default per-var chunk cache.])
# Did the user specify a default cache size?
AC_MSG_CHECKING([whether a default file cache size for HDF5 was specified])
AC_ARG_WITH([chunk-cache-size],
[AS_HELP_STRING([--with-chunk-cache-size=<integer>],
[Specify default file cache chunk size for HDF5 files in bytes.])],
[CHUNK_CACHE_SIZE=$with_chunk_cache_size], [CHUNK_CACHE_SIZE=16777216])
AC_MSG_RESULT([$CHUNK_CACHE_SIZE])
AC_DEFINE_UNQUOTED([CHUNK_CACHE_SIZE], [$CHUNK_CACHE_SIZE], [default file chunk cache size in bytes.])
# Did the user specify a default cache nelems?
AC_MSG_CHECKING([whether a default file cache maximum number of elements for HDF5 was specified])
AC_ARG_WITH([chunk-cache-nelems],
[AS_HELP_STRING([--with-chunk-cache-nelems=<integer>],
[Specify default maximum number of elements in the file chunk cache chunk for HDF5 files (should be prime number).])],
[CHUNK_CACHE_NELEMS=$with_chunk_cache_nelems], [CHUNK_CACHE_NELEMS=4133])
AC_MSG_RESULT([$CHUNK_CACHE_NELEMS])
AC_DEFINE_UNQUOTED([CHUNK_CACHE_NELEMS], [$CHUNK_CACHE_NELEMS], [default file chunk cache nelems.])
# Did the user specify a default cache preemption?
AC_MSG_CHECKING([whether a default cache preemption for HDF5 was specified])
AC_ARG_WITH([chunk-cache-preemption],
[AS_HELP_STRING([--with-chunk-cache-preemption=<float between 0 and 1 inclusive>],
[Specify default file chunk cache preemption policy for HDF5 files (a number between 0 and 1, inclusive).])],
[CHUNK_CACHE_PREEMPTION=$with_chunk_cache_preemption], [CHUNK_CACHE_PREEMPTION=0.75])
AC_MSG_RESULT([$CHUNK_CACHE_PREEMPTION])
AC_DEFINE_UNQUOTED([CHUNK_CACHE_PREEMPTION], [$CHUNK_CACHE_PREEMPTION], [default file chunk cache preemption policy.])
# Does the user want to enable netcdf-4 logging?
AC_MSG_CHECKING([whether netCDF-4 logging is enabled])
AC_ARG_ENABLE([logging],
[AS_HELP_STRING([--enable-logging],
[enable logging capability (only applies when netCDF-4 is built). \
This debugging features is only of interest to netCDF developers. \
Ignored if netCDF-4 is not enabled.])])
test "x$enable_logging" = xyes || enable_logging=no
AC_MSG_RESULT([$enable_logging])
# Does the user want to turn off nc_set_log_level() function? (It will
# always be defined if --enable-logging is used.)
AC_MSG_CHECKING([whether nc_set_log_level() function is included (will do nothing unless enable-logging is also used)])
AC_ARG_ENABLE([set_log_level_func], [AS_HELP_STRING([--disable-set-log-level-func],
[disable the nc_set_log_level function])])
test "x$enable_set_log_level_func" = xno -a "x$enable_logging" = xno || enable_set_log_level_func=yes
if test "x$enable_set_log_level_func" = xyes -a "x$enable_netcdf_4" = xyes; then
AC_DEFINE([ENABLE_SET_LOG_LEVEL], 1, [If true, define nc_set_log_level.])
fi
AC_MSG_RESULT($enable_set_log_level_func)
## Capture the state of the --enable-dap flag => enable dap2+dap4
AC_MSG_CHECKING([whether DAP client(s) are to be built])
AC_ARG_ENABLE([dap],
[AS_HELP_STRING([--disable-dap],
[build without DAP client support.])])
test "x$enable_dap" = xno || enable_dap=yes
AC_MSG_RESULT($enable_dap)
# We need curl for DAP and byterange
AC_CHECK_LIB([curl],[curl_easy_setopt],[found_curl=yes],[found_curl=no])
if test "x$enable_dap" = "xyes" ; then
AC_SEARCH_LIBS([curl_easy_setopt],[curl curl.dll], [],
[AC_MSG_ERROR([curl required for remote access. Install curl or build with --disable-dap.])])
fi
# --enable-dap => enable-dap4
enable_dap4=$enable_dap
# Default is to do the short remote tests.
# Temporary: Change default to npt do these tests
AC_MSG_CHECKING([whether dap remote testing should be enabled (default on)])
AC_ARG_ENABLE([dap-remote-tests],
[AS_HELP_STRING([--disable-dap-remote-tests],
[disable dap remote tests])])
test "x$enable_dap_remote_tests" = xyes || enable_dap_remote_tests=no
if test "x$enable_dap" = "xno" ; then
enable_dap_remote_tests=no
fi
AC_MSG_RESULT($enable_dap_remote_tests)
# Default is not to do the remote authorization tests.
AC_MSG_CHECKING([whether dap remote authorization testing should be enabled (default off)])
AC_ARG_ENABLE([dap-auth-tests],
[AS_HELP_STRING([--enable-dap-auth-tests],
[enable dap remote authorization tests])])
test "x$enable_dap_auth_tests" = xyes || enable_dap_auth_tests=no
# dap must be enabled
if test "x$enable_dap" = "xno" ; then
enable_dap_auth_tests=no
fi
# if remote tests are disabled, then so is this
if test "x$enable_dap_remote_tests" = "xno" ; then
enable_dap_remote_tests=no
fi
AC_MSG_RESULT($enable_dap_auth_tests)
# Did the user specify a list of test servers to try for remote tests?
AC_MSG_CHECKING([which remote test server(s) to use])
AC_ARG_WITH([testservers],
[AS_HELP_STRING([--with-testservers=<host:port>,<host:port>...],
[Specify the testserver(s) to try for remote tests.])],
[REMOTETESTSERVERS=$with_testservers], [REMOTETESTSERVERS=no])
msg="$REMOTETESTSERVERS"
if test "x$REMOTETESTSERVERS" = xno ; then
svclist="remotetest.unidata.ucar.edu"
REMOTETESTSERVERS="$svclist"
fi
AC_MSG_RESULT([$svclist])
AC_DEFINE_UNQUOTED([REMOTETESTSERVERS], ["$REMOTETESTSERVERS"], [the testservers for remote tests.])
# Set the config.h flags
if test "x$enable_dap" = xyes; then
AC_DEFINE([USE_DAP], [1], [if true, build DAP Client])
AC_DEFINE([ENABLE_DAP], [1], [if true, build DAP Client])
fi
if test "x$enable_dap_remote_tests" = xyes; then
AC_DEFINE([ENABLE_DAP_REMOTE_TESTS], [1], [if true, do remote tests])
fi
AC_MSG_CHECKING([whether the time-consuming dap tests should be enabled (default off)])
AC_ARG_ENABLE([dap-long-tests],
[AS_HELP_STRING([--enable-dap-long-tests],
[enable dap long tests])])
test "x$enable_dap_long_tests" = xyes || enable_dap_long_tests=no
if test "x$enable_dap_remote_tests" = "xno" ; then
enable_dap_long_tests=no
fi
AC_MSG_RESULT([$enable_dap_long_tests])
AM_CONDITIONAL(INTERNAL_OCLIB,[test "x" = "x"])
# Check whether we want to enable strict null byte header padding.
# See https://github.com/Unidata/netcdf-c/issues/657 for more information.
AC_MSG_CHECKING([whether to enable strict null-byte header padding when reading (default off)])
AC_ARG_ENABLE([strict-null-byte-header-padding],
[AS_HELP_STRING([--enable-strict-null-byte-header-padding],
[enable strict null-byte header padding when reading netCDF3 files.])])
test "x$enable_strict_null_byte_header_padding" = xyes || enable_strict_null_byte_header_padding=no
AC_MSG_RESULT($enable_strict_null_byte_header_padding)
if test "x$enable_strict_null_byte_header_padding" = xyes; then
AC_DEFINE([USE_STRICT_NULL_BYTE_HEADER_PADDING], [1], [if true, enable strict null byte header padding])
fi
AM_CONDITIONAL(USE_STRICT_NULL_BYTE_HEADER_PADDING, [test x$enable_strict_null_byte_header_padding = xyes ])
# Does the user want to use the ffio module?
AC_MSG_CHECKING([whether FFIO will be used])
AC_ARG_ENABLE([ffio],
[AS_HELP_STRING([--enable-ffio],
[use ffio instead of posixio (ex. on the Cray)])])
test "x$enable_ffio" = xyes || enable_ffio=no
AC_MSG_RESULT($enable_ffio)
if test "x$enable_ffio" = xyes; then
AC_DEFINE([USE_FFIO], [1], [if true, use ffio instead of posixio])
fi
AM_CONDITIONAL(USE_FFIO, [test x$enable_ffio = xyes])
# Does the user want to use the stdio module?
AC_MSG_CHECKING([whether STDIO will be used])
AC_ARG_ENABLE([stdio],
[AS_HELP_STRING([--enable-stdio],
[use stdio instead of posixio (ex. on the Cray)])])
test "x$enable_stdio" = xyes || enable_stdio=no
AC_MSG_RESULT($enable_stdio)
if test "x$enable_stdio" = xyes; then
AC_DEFINE([USE_STDIO], [1], [if true, use stdio instead of posixio])
fi
AM_CONDITIONAL(USE_STDIO, [test x$enable_stdio = xyes])
nc_build_c=yes
nc_build_v2=yes
nc_build_utilities=yes
nc_build_tests=yes
nc_build_examples=yes
# Does the user want to build examples?
AC_MSG_CHECKING([whether examples should be built])
AC_ARG_ENABLE([examples],
[AS_HELP_STRING([--disable-examples],
[don't build the netCDF examples during make check \
(examples are treated as extra tests by netCDF)])])
test "x$enable_examples" = xno && nc_build_examples=no
AC_MSG_RESULT($nc_build_examples)
AM_CONDITIONAL(BUILD_EXAMPLES, [test x$nc_build_examples = xyes])
# Does the user want to disable the V2 API?
AC_MSG_CHECKING([whether v2 netCDF API should be built])
AC_ARG_ENABLE([v2],
[AS_HELP_STRING([--disable-v2],
[turn off the netCDF version 2 API])])
test "x$enable_v2" = xno && nc_build_v2=no
AC_MSG_RESULT($nc_build_v2)
AM_CONDITIONAL(BUILD_V2, [test x$nc_build_v2 = xyes])
if test "x$nc_build_v2" = xno; then
AC_DEFINE_UNQUOTED(NO_NETCDF_2, 1, [do not build the netCDF version 2 API])
else
AC_DEFINE_UNQUOTED(USE_NETCDF_2, 1, [build the netCDF version 2 API])
fi
# Does the user want to disable ncgen/ncdump/nccopy?
AC_MSG_CHECKING([whether the ncgen/ncdump/nccopy should be built])
AC_ARG_ENABLE([utilities],
[AS_HELP_STRING([--disable-utilities],
[don't build netCDF utilities ncgen, ncdump, and nccopy])])
test "x$nc_build_c" = xno && enable_utilities=no
test "x$enable_utilities" = xno && nc_build_utilities=no
AC_MSG_RESULT($nc_build_utilities)
AM_CONDITIONAL(BUILD_UTILITIES, [test x$nc_build_utilities = xyes])
# Does the user want to disable all tests?
AC_MSG_CHECKING([whether test should be built and run])
AC_ARG_ENABLE([testsets],
[AS_HELP_STRING([--disable-testsets],
[don't build or run netCDF tests])])
test "x$enable_testsets" = xno || enable_testsets=yes
nc_build_tests=$enable_testsets
AC_MSG_RESULT($nc_build_tests)
AM_CONDITIONAL(BUILD_TESTSETS, [test x$nc_build_tests = xyes])
# Does the user want to run tests for large files (> 2GiB)?
AC_MSG_CHECKING([whether large file (> 2GB) tests should be run])
AC_ARG_ENABLE([large-file-tests],
[AS_HELP_STRING([--enable-large-file-tests],
[Run tests which create very large data files (~13 GB disk space
required, but it will be recovered when tests are complete). See
option --with-temp-large to specify temporary directory])])
test "x$enable_large_file_tests" = xyes || enable_large_file_tests=no
AC_MSG_RESULT($enable_large_file_tests)
AM_CONDITIONAL(LARGE_FILE_TESTS, [test x$enable_large_file_tests = xyes])
if test "x$enable_large_file_tests" = xyes; then
AC_DEFINE([LARGE_FILE_TESTS], [1], [do large file tests])
fi
# Does the user want to run benchmarks?
AC_MSG_CHECKING([whether benchmarks should be run])
AC_ARG_ENABLE([benchmarks],
[AS_HELP_STRING([--enable-benchmarks],
[Run benchmarks. This will cause sample data files from the Unidata ftp
site to be fetched. The benchmarks are a bunch of extra tests, which
are timed. We use these tests to check netCDF performance.])])
test "x$enable_benchmarks" = xyes || enable_benchmarks=no
AC_MSG_RESULT($enable_benchmarks)
if test "x$enable_netcdf4" = xno -a "x$enable_benchmarks" = xyes; then
AC_MSG_ERROR([Can't use benchmarks if netCDF-4 is disabled.])
fi
AM_CONDITIONAL(BUILD_BENCHMARKS, [test x$enable_benchmarks = xyes])
# Does the user want to use extreme numbers in testing.
AC_MSG_CHECKING([whether extreme numbers should be used in tests])
AC_ARG_ENABLE([extreme-numbers],
[AS_HELP_STRING([--disable-extreme-numbers],
[don't use extreme numbers during testing, such as MAX_INT - 1])])
case "$host_cpu $host_os" in
*386*solaris*)
test "x$enable_extreme_numbers" = xyes || enable_extreme_numbers=no
;;
*)
test "x$enable_extreme_numbers" = xno || enable_extreme_numbers=yes
;;
esac
AC_MSG_RESULT($enable_extreme_numbers)
if test "x$enable_extreme_numbers" = xyes; then
AC_DEFINE(USE_EXTREME_NUMBERS, 1, [set this to use extreme numbers in tests])
fi
# If the env. variable TEMP_LARGE is set, or if
# --with-temp-large=<directory>, use it as a place for the large
# (i.e. > 2 GiB) files created during the large file testing.
AC_MSG_CHECKING([where to put large temp files if large file tests are run])
AC_ARG_WITH([temp-large],
[AS_HELP_STRING([--with-temp-large=<directory>],
[specify directory where large files (i.e. >2 GB) \
will be written, if large files tests are run with
--enable-large-file-tests])],
[TEMP_LARGE=$with_temp_large])
TEMP_LARGE=${TEMP_LARGE-.}
AC_MSG_RESULT($TEMP_LARGE)
#AC_SUBST(TEMP_LARGE)
AC_DEFINE_UNQUOTED([TEMP_LARGE], ["$TEMP_LARGE"], [Place to put very large netCDF test files.])
# Specify extra values to add to _NCProperties attribute
# --with-ncproperties-extra="<name>=<value>|...".
# Note: need to figure out a way to do this programmatically also
AC_MSG_CHECKING([Extra values for _NCProperties])
AC_ARG_WITH([ncproperties-extra],
[AS_HELP_STRING([--with-ncproperties-extra="<name>=<value>,...],
[specify extra pairs for _NCProperties])],
[NCPROPERTIES_EXTRA=$with_ncproperties_extra],
[NCPROPERTIES_EXTRA=""])
AC_MSG_RESULT([$NCPROPERTIES_EXTRA])
AC_DEFINE_UNQUOTED([NCPROPERTIES_EXTRA], ["$NCPROPERTIES_EXTRA"], [Extra pairs for _NCProperties])
# Did the user specify a user-defined format 0?
AC_MSG_CHECKING([whether user-defined format 0 was specified])
AC_ARG_WITH([udf0],
[AS_HELP_STRING([--with-udf0=<dispatch_name>],
[Specify a dispatch table for user-defined format 0.])],
[UDF0_DISPATCH=$with_udf0])
AC_MSG_RESULT([$UDF0_DISPATCH])
if test -n "$UDF0_DISPATCH"; then
AC_DEFINE_UNQUOTED([UDF0_DISPATCH], [$UDF0_DISPATCH], [dispatch table for user-defined format 0.])
AC_DEFINE_UNQUOTED([UDF0_DISPATCH_FUNC], [get_$UDF0_DISPATCH()], [function to get dispatch table for user-defined format 0.])
AC_DEFINE([USE_UDF0], [1], [if true, use user-defined format 0 in utilities])
AC_CHECK_LIB([$UDF0_DISPATCH], [get_$UDF0_DISPATCH], [],
[AC_MSG_ERROR([Can't find or link to the user-defined format 0 library.])],
[])
fi
# Did the user specify a magic number for user-defined format 0?
AC_MSG_CHECKING([whether a magic number for user-defined format 0 was specified])
AC_ARG_WITH([udf0-magic-number],
[AS_HELP_STRING([--with-udf0-magic-number=<magic_number>],
[Specify a magic number for user-defined format 0 (ignored unless --with-udf0 is also used).])],
[UDF0_MAGIC_NUMBER=$with_udf0_magic_number])
AC_MSG_RESULT([$UDF0_MAGIC_NUMBER])
# Did the user specify a user-defined format 1?
AC_MSG_CHECKING([whether user-defined format 1 was specified])
AC_ARG_WITH([udf1],
[AS_HELP_STRING([--with-udf1=<dispatch_name>],
[Specify a dispatch table for user-defined format 1.])],
[UDF1_DISPATCH=$with_udf1])
AC_MSG_RESULT([$UDF1_DISPATCH])
if test -n "$UDF1_DISPATCH"; then
AC_DEFINE_UNQUOTED([UDF1_DISPATCH], [$UDF1_DISPATCH], [dispatch table for user-defined format 1.])
AC_DEFINE_UNQUOTED([UDF1_DISPATCH_FUNC], [get_$UDF1_DISPATCH()], [function to get dispatch table for user-defined format 1.])
AC_DEFINE([USE_UDF1], [1], [if true, use user-defined format 1 in utilities])
AC_CHECK_LIB([$UDF1_DISPATCH], [get_$UDF1_DISPATCH], [],
[AC_MSG_ERROR([Can't find or link to the user-defined format 1 library.])],
[])
fi
# Did the user specify a magic number for user-defined format 0?
AC_MSG_CHECKING([whether a magic number for user-defined format 1 was specified])
AC_ARG_WITH([udf1-magic-number],
[AS_HELP_STRING([--with-udf1-magic-number=<magic_number>],
[Specify a magic number for user-defined format 1 (ignored unless --with-udf1 is also used).])],
[UDF1_MAGIC_NUMBER=$with_udf1_magic_number])
AC_MSG_RESULT([$UDF1_MAGIC_NUMBER])
# According to the autoconf mailing list gurus, we must test for
# compilers unconditionally. That is, we can't skip looking for the
# fortran compilers, just because the user doesn't want fortran. This
# is due to a limitation in autoconf.
# Find the C compiler.
AC_MSG_NOTICE([finding C compiler])
## Compiler with version information. This consists of the full path
## name of the compiler and the reported version number.
AC_SUBST([CC_VERSION])
## Strip anything that looks like a flag off of $CC
CC_NOFLAGS=`echo $CC | sed 's/ -.*//'`
if `echo $CC_NOFLAGS | grep ^/ >/dev/null 2>&1`; then
CC_VERSION="$CC"
else
CC_VERSION="$CC";
for x in `echo $PATH | sed -e 's/:/ /g'`; do
if test -x $x/$CC_NOFLAGS; then
CC_VERSION="$x/$CC"
break
fi
done
fi
if test -n "$cc_version_info"; then
CC_VERSION="$CC_VERSION ( $cc_version_info)"
fi
AC_PROG_CC
AM_PROG_CC_C_O
AC_C_CONST
# CURLOPT_USERNAME is not defined until curl version 7.19.1
# CURLOPT_PASSWORD is not defined until curl version 7.19.1
# CURLOPT_KEYPASSWD is not defined until curl version 7.16.4
# CURLINFO_RESPONSE_CODE is not defined until curl version 7.10.7
# CURLOPT_CHUNK_BGN_FUNCTION is not defined until curl version 7.21.0
# CURL_MAX_READ_SIZE is not defined until 7.59
# Save/restore CFLAGS
SAVECFLAGS="$CFLAGS"
CFLAGS="${curl_cflags}"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[#include "curl/curl.h"],
[[int x = CURLOPT_USERNAME;]])],
[haveusername=yes],
[haveusername=no])
AC_MSG_CHECKING([whether CURLOPT_USERNAME is defined])
AC_MSG_RESULT([${haveusername}])
if test $haveusername = yes; then
AC_DEFINE([HAVE_CURLOPT_USERNAME],[1],[Is CURLOPT_USERNAME defined])
fi
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[#include "curl/curl.h"],
[[int x = CURLOPT_PASSWORD;]])],
[havepassword=yes],
[havepassword=no])
AC_MSG_CHECKING([whether CURLOPT_PASSWORD is defined])
AC_MSG_RESULT([${havepassword}])
if test $havepassword = yes; then
AC_DEFINE([HAVE_CURLOPT_PASSWORD],[1],[Is CURLOPT_PASSWORD defined])
fi
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[#include "curl/curl.h"],
[[int x = CURLOPT_KEYPASSWD;]])],
[havekeypassword=yes],
[havekeypassword=no])
AC_MSG_CHECKING([whether CURLOPT_KEYPASSWD is defined])
AC_MSG_RESULT([${havekeypassword}])
if test $havekeypassword = yes; then
AC_DEFINE([HAVE_CURLOPT_KEYPASSWD],[1],[Is CURLOPT_KEYPASSWD defined])
fi
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[#include "curl/curl.h"],
[[int x = CURLINFO_RESPONSE_CODE;]])],
[haveresponsecode=yes],
[haveresponsecode=no])
AC_MSG_CHECKING([whether CURLINFO_RESPONSE_CODE is defined])
AC_MSG_RESULT([${haveresponsecode}])
if test $haveresponsecode = yes; then
AC_DEFINE([HAVE_CURLINFO_RESPONSE_CODE],[1],[Is CURLINFO_RESPONSE_CODE defined])
fi
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[#include "curl/curl.h"],
[[int x = CURLOPT_BUFFERSIZE;]])],
[havecurloption=yes],
[havecurloption=no])
AC_MSG_CHECKING([whether CURLOPT_BUFFERSIZE is defined])
AC_MSG_RESULT([${havecurloption}])
if test $havecurloption = yes; then
AC_DEFINE([HAVE_CURLOPT_BUFFERSIZE],[1],[Is CURLOPT_BUFFERSIZE defined])
fi
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[#include "curl/curl.h"],
[[int x = CURLOPT_TCP_KEEPALIVE;]])],
[havecurloption=yes],
[havecurloption=no])
AC_MSG_CHECKING([whether CURLOPT_TCP_KEEPALIVE is defined])
AC_MSG_RESULT([${havecurloption}])
if test $havecurloption = yes; then
AC_DEFINE([HAVE_CURLOPT_KEEPALIVE],[1],[Is CURLOPT_TCP_KEEPALIVE defined])
fi
CFLAGS="$SAVECFLAGS"
# Set up libtool.
AC_MSG_NOTICE([setting up libtool])
LT_PREREQ([2.2])
LT_INIT()
AC_MSG_NOTICE([finding other utilities])
# Is m4 installed? If not, bail.
AC_CHECK_PROGS([NC_M4], [m4])
if test -z "$NC_M4"; then
AC_MSG_ERROR([Cannot find m4 utility. Install m4 and try again.])
fi
# Is doxygen installed? If so, have configure construct the Doxyfile.
AC_CHECK_PROGS([DOXYGEN], [doxygen])
if test -z "$DOXYGEN"; then
AC_MSG_WARN([Doxygen not found - documentation will not be built])
fi
# Is graphviz/dot installed? If so, we'll use dot to create
# graphs in the documentation.
AC_CHECK_PROGS([DOT], [dot])
if test -z "$DOT"; then
AC_MSG_WARN([dot not found - will use simple charts in documentation])
HAVE_DOT=NO
elif test "x$enable_dot" = xno; then
HAVE_DOT=NO
else
HAVE_DOT=YES
fi
# If we have doxygen, and it's enabled, then process the file.
if test "x$enable_doxygen" != xno; then
if test -n "$DOXYGEN"; then
AC_SUBST(HAVE_DOT)
AC_CONFIG_FILES([docs/Doxyfile])
fi
# Note: the list of files to input to doxygen
# has been moved to docs/Doxyfile.in so
# that make distcheck works correctly.
# Any new inputs should be inserted into
# docs/Doxyfile.in and possibley docs/Makefile.am
fi
# Find the install program.
AC_PROG_INSTALL
# Check to see if any macros must be set to enable large (>2GB) files.
AC_SYS_LARGEFILE
AC_MSG_NOTICE([displaying some results])
## This next macro just prints some results for debugging
## support issues.
UD_DISPLAY_RESULTS
# For nightly build testing, output CC, FC, etc.
echo "CPPFLAGS=$CPPFLAGS CC=$CC CFLAGS=$CFLAGS LDFLAGS=$LDFLAGS LIBS=$LIBS" >> comps.txt
AC_MSG_NOTICE([checking types, headers, and functions])
AC_CHECK_HEADERS([sys/param.h])
AC_CHECK_HEADERS([libgen.h])
#AC_CHECK_HEADERS([locale.h])
AC_HEADER_STDC
AC_CHECK_HEADERS([locale.h stdio.h stdarg.h fcntl.h malloc.h stdlib.h string.h strings.h unistd.h sys/stat.h getopt.h sys/time.h sys/types.h])
# Do sys/resource.h separately
#AC_CHECK_HEADERS([sys/resource.h],[havesysresource=1],[havesysresource=0])
#if test "x$enable_dll" != xyes ; then
AC_CHECK_HEADERS([sys/resource.h])
#fi
# See if we have ftw.h to walk directory trees
AC_CHECK_HEADERS([ftw.h])
# Check for these functions...
AC_CHECK_FUNCS([strlcat snprintf strcasecmp fileno \
strdup strtoll strtoull \
mkstemp mktemp random \
getrlimit gettimeofday fsync MPI_Comm_f2c MPI_Info_f2c])
# disable dap4 if netcdf-4 is disabled
#if test "x$enable_netcdf_4" = "xno" ; then
if test "x$enable_hdf5" = "xno" ; then
AC_MSG_WARN([netcdf-4 not enabled; disabling DAP4])
enable_dap4=no
fi
if test "x$enable_dap4" = xyes; then
AC_DEFINE([ENABLE_DAP4], [1], [if true, build DAP4 Client])
fi
# check for useful, but not essential, memio support
AC_CHECK_FUNCS([memmove getpagesize sysconf])
# Does the user want to allow use of mmap for NC_DISKLESS?
AC_MSG_CHECKING([whether mmap is enabled for in-memory files])
AC_ARG_ENABLE([mmap],
[AS_HELP_STRING([--enable-mmap],
[allow mmap for in-memory files])])
test "x$enable_mmap" = xyes || enable_mmap=no
AC_MSG_RESULT($enable_mmap)
# check for mmap availability before committing to use mmap
have_mmap="$enable_mmap"
AC_CHECK_FUNCS([mmap],[havemmapfcn=yes],[havemmapfcn=no])
if test "x$havemmapfcn" = xno ; then
have_mmap=no
fi
# check for mremap availability; not strictly needed
AC_CHECK_FUNCS([mremap],[havemremapfcn=yes],[havemmapfcn=no])
# Check for MAP_ANONYMOUS
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[#include <sys/mman.h>],
[[int x = MAP_ANONYMOUS;]])],
[havemapanon=yes],
[havemapanon=no])
AC_MSG_CHECKING([whether MAP_ANONYMOUS is defined])
AC_MSG_RESULT([${havemapanon}])
if test "x$havemapanon" != xyes ; then
have_mmap=no
fi
if test "x$have_mmap" != xyes ; then
echo "mmap functionality is not available: disabling mmap"
enable_mmap=no
fi
if test "x$enable_mmap" = xyes; then
AC_DEFINE([USE_MMAP], [1], [if true, use mmap for in-memory files])
fi
# Does the user want to allow reading of remote data via range headers?
AC_MSG_CHECKING([whether byte range support is enabled])
AC_ARG_ENABLE([byterange],
[AS_HELP_STRING([--enable-byterange],
[allow byte-range I/O])])
test "x$enable_byterange" = xyes || enable_byterange=no
AC_MSG_RESULT($enable_byterange)
# Need curl for byte ranges
if test "x$found_curl" = xno && test "x$enable_byterange" = xyes ; then
AC_MSG_ERROR([curl required for byte range support. Install curl or build without --enable-byterange.])
enable_byterange=no
fi
if test "x$enable_byterange" = xyes; then
AC_DEFINE([ENABLE_BYTERANGE], [1], [if true, support byte-range read of remote datasets.])
fi
AC_FUNC_ALLOCA
AC_CHECK_DECLS([isnan, isinf, isfinite],,,[#include <math.h>])
AC_STRUCT_ST_BLKSIZE
UD_CHECK_IEEE
AC_CHECK_TYPES([size_t, ssize_t, schar, uchar, longlong, ushort, uint, int64, uint64])
AC_TYPE_OFF_T
AC_TYPE_UINTPTR_T
AC_C_CHAR_UNSIGNED
AC_C_BIGENDIAN
###
# Crude hack to work around an issue
# in Cygwin.
###
SLEEPCMD=""
PLTFORMOUT="$(uname | cut -d '_' -f 1)"
if test "$PLTFORMOUT" = "CYGWIN"; then
ISCYGWIN=yes
SLEEPCMD="sleep 5"
AC_MSG_NOTICE([Pausing between sizeof() checks to mitigate a Cygwin issue.])
fi
AM_CONDITIONAL(ISCYGWIN, [test "x$ISCYGWIN" = xyes])
$SLEEPCMD
AC_CHECK_SIZEOF(short)
$SLEEPCMD
AC_CHECK_SIZEOF(int)
$SLEEPCMD
AC_CHECK_SIZEOF(long)
$SLEEPCMD
AC_CHECK_SIZEOF(long long)
$SLEEPCMD
AC_CHECK_SIZEOF(float)
$SLEEPCMD
AC_CHECK_SIZEOF(double)
$SLEEPCMD
AC_CHECK_SIZEOF(off_t)
$SLEEPCMD
AC_CHECK_SIZEOF(size_t)
$SLEEPCMD
AC_CHECK_SIZEOF(unsigned long long)
# Check whether we want to enable CDF5 support.
AC_MSG_CHECKING([whether CDF5 support should be disabled])
AC_ARG_ENABLE([cdf5],
[AS_HELP_STRING([--disable-cdf5],
[build without CDF5 support. @<:@default: auto@:>@])],
[enable_cdf5=${enableval}], [enable_cdf5=auto]
)
if test "$ac_cv_sizeof_size_t" -lt "8" ; then
if test "x${enable_cdf5}" = xyes ; then
dnl unable to support CDF5, but --enable-cdf5 is explicitly set
AC_MSG_ERROR([Unable to support CDF5 feature because size_t is less than 8 bytes])
fi
enable_cdf5=no
else
if test "x${enable_cdf5}" != xno ; then
enable_cdf5=yes
fi
fi
AC_MSG_RESULT($enable_cdf5)
if test "x${enable_cdf5}" = xyes; then
AC_DEFINE([ENABLE_CDF5], [1], [if true, enable CDF5 Support])
fi
AM_CONDITIONAL(ENABLE_CDF5, [test x$enable_cdf5 = xyes ])
$SLEEPCMD
if test "$ac_cv_type_uchar" = yes ; then
AC_CHECK_SIZEOF(uchar)
else
AC_CHECK_SIZEOF(unsigned char)
fi
$SLEEPCMD
if test "$ac_cv_type_ushort" = yes ; then
AC_CHECK_SIZEOF(ushort)
else
AC_CHECK_SIZEOF(unsigned short int)
fi
$SLEEPCMD
if test "$ac_cv_type_uint" = yes ; then
AC_CHECK_SIZEOF(uint)
else
AC_CHECK_SIZEOF(unsigned int)
fi
$SLEEPCMD
if test "$ac_cv_type_ushort" = yes ; then
AC_CHECK_SIZEOF(ushort)
else
AC_CHECK_SIZEOF(unsigned short int)
fi
$SLEEPCMD
if test "$ac_cv_type_uint" = yes ; then