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AC_DEFUN([AX_GCC_OPTION], [
AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING([if gcc accepts $1 option])
AS_IF([ test "x$GCC" = "xyes" ],[
AS_IF([ test -z "$3" ],[
ax_gcc_option_test="int main()
{
return 0;
}"
],[
ax_gcc_option_test="$3"
])
# Dump the test program to file
cat <<EOF > conftest.c
$ax_gcc_option_test
EOF
# Dump back the file to the log, useful for debugging purposes
AC_TRY_COMMAND(cat conftest.c 1>&AS_MESSAGE_LOG_FD)
AS_IF([ AC_TRY_COMMAND($CC $2 $1 -c conftest.c 1>&AS_MESSAGE_LOG_FD) ],[
AC_MSG_RESULT([yes])
$4
],[
AC_MSG_RESULT([no])
$5
])
],[
AC_MSG_RESULT([no gcc available])
])
])
AC_DEFUN([AX_GCC_VERSION], [
GCC_VERSION=""
AX_GCC_OPTION([-dumpversion],[],[],[
ax_gcc_version_option=yes
],[
ax_gcc_version_option=no
])
AS_IF([test "x$GCC" = "xyes"],[
AS_IF([test "x$ax_gcc_version_option" != "xno"],[
AC_CACHE_CHECK([gcc version],[ax_cv_gcc_version],[
ax_cv_gcc_version="`$CC -dumpversion`"
AS_IF([test "x$ax_cv_gcc_version" = "x"],[
ax_cv_gcc_version=""
])
])
GCC_VERSION=$ax_cv_gcc_version
])
])
AC_SUBST([GCC_VERSION])
])
AC_DEFUN([AX_GXX_VERSION], [
GXX_VERSION=""
AX_GCC_OPTION([-dumpversion],[],[],[
ax_gcc_version_option=yes
],[
ax_gcc_version_option=no
])
AS_IF([test "x$GXX" = "xyes"],[
AS_IF([test "x$ax_gxx_version_option" != "no"],[
AC_CACHE_CHECK([gxx version],[ax_cv_gxx_version],[
ax_cv_gxx_version="`$CXX -dumpversion`"
AS_IF([test "x$ax_cv_gxx_version" = "x"],[
ax_cv_gxx_version=""
])
])
GXX_VERSION=$ax_cv_gxx_version
])
])
AC_SUBST([GXX_VERSION])
])
AC_DEFUN([AX_COMPILER_VENDOR],
[
AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor,
[ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor=unknown
# note: don't check for gcc first since some other compilers define __GNUC__
for ventest in intel:__ICC,__ECC,__INTEL_COMPILER ibm:__xlc__,__xlC__,__IBMC__,__IBMCPP__ pathscale:__PATHCC__,__PATHSCALE__ gnu:__GNUC__ sun:__SUNPRO_C,__SUNPRO_CC hp:__HP_cc,__HP_aCC dec:__DECC,__DECCXX,__DECC_VER,__DECCXX_VER borland:__BORLANDC__,__TURBOC__ comeau:__COMO__ cray:_CRAYC kai:__KCC lcc:__LCC__ metrowerks:__MWERKS__ sgi:__sgi,sgi microsoft:_MSC_VER watcom:__WATCOMC__ portland:__PGI; do
vencpp="defined("`echo $ventest | cut -d: -f2 | sed 's/,/) || defined(/g'`")"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[
#if !($vencpp)
thisisanerror;
#endif
])], [ax_cv_]_AC_LANG_ABBREV[_compiler_vendor=`echo $ventest | cut -d: -f1`; break])
done
])
])
# ============================================================================
# http://www.gnu.org/software/autoconf-archive/ax_cxx_compile_stdcxx_11.html
# ============================================================================
#
# SYNOPSIS
#
# AX_CXX_COMPILE_STDCXX_11([ext|noext],[mandatory|optional])
#
# DESCRIPTION
#
# Check for baseline language coverage in the compiler for the C++11
# standard; if necessary, add switches to CXXFLAGS to enable support.
#
# The first argument, if specified, indicates whether you insist on an
# extended mode (e.g. -std=gnu++11) or a strict conformance mode (e.g.
# -std=c++11). If neither is specified, you get whatever works, with
# preference for an extended mode.
#
# The second argument, if specified 'mandatory' or if left unspecified,
# indicates that baseline C++11 support is required and that the macro
# should error out if no mode with that support is found. If specified
# 'optional', then configuration proceeds regardless, after defining
# HAVE_CXX11 if and only if a supporting mode is found.
#
# LICENSE
#
# Copyright (c) 2008 Benjamin Kosnik <bkoz@redhat.com>
# Copyright (c) 2012 Zack Weinberg <zackw@panix.com>
# Copyright (c) 2013 Roy Stogner <roystgnr@ices.utexas.edu>
# Copyright (c) 2014 Alexey Sokolov <sokolov@google.com>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
m4_define([_AX_CXX_COMPILE_STDCXX_11_testbody], [[
template <typename T>
struct check
{
static_assert(sizeof(int) <= sizeof(T), "not big enough");
};
struct Base {
virtual void f() {}
};
struct Child : public Base {
virtual void f() override {}
};
typedef check<check<bool>> right_angle_brackets;
int a;
decltype(a) b;
typedef check<int> check_type;
check_type c;
check_type&& cr = static_cast<check_type&&>(c);
auto d = a;
auto l = [](){};
]])
AC_DEFUN([AX_CXX_COMPILE_STDCXX_11], [dnl
m4_if([$1], [], [],
[$1], [ext], [],
[$1], [noext], [],
[m4_fatal([invalid argument `$1' to AX_CXX_COMPILE_STDCXX_11])])dnl
m4_if([$2], [], [ax_cxx_compile_cxx11_required=true],
[$2], [mandatory], [ax_cxx_compile_cxx11_required=true],
[$2], [optional], [ax_cxx_compile_cxx11_required=false],
[m4_fatal([invalid second argument `$2' to AX_CXX_COMPILE_STDCXX_11])])
AC_LANG_PUSH([C++])dnl
ac_success=no
AC_CACHE_CHECK(whether $CXX supports C++11 features by default,
ax_cv_cxx_compile_cxx11,
[AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_11_testbody])],
[ax_cv_cxx_compile_cxx11=yes],
[ax_cv_cxx_compile_cxx11=no])])
if test x$ax_cv_cxx_compile_cxx11 = xyes; then
ac_success=yes
fi
m4_if([$1], [noext], [], [dnl
if test x$ac_success = xno; then
for switch in -std=gnu++11 -std=gnu++0x; do
cachevar=AS_TR_SH([ax_cv_cxx_compile_cxx11_$switch])
AC_CACHE_CHECK(whether $CXX supports C++11 features with $switch,
$cachevar,
[ac_save_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS $switch"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_11_testbody])],
[eval $cachevar=yes],
[eval $cachevar=no])
CXXFLAGS="$ac_save_CXXFLAGS"])
if eval test x\$$cachevar = xyes; then
CXXFLAGS="$CXXFLAGS $switch"
ac_success=yes
break
fi
done
fi])
m4_if([$1], [ext], [], [dnl
if test x$ac_success = xno; then
for switch in -std=c++11 -std=c++0x; do
cachevar=AS_TR_SH([ax_cv_cxx_compile_cxx11_$switch])
AC_CACHE_CHECK(whether $CXX supports C++11 features with $switch,
$cachevar,
[ac_save_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS $switch"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_11_testbody])],
[eval $cachevar=yes],
[eval $cachevar=no])
CXXFLAGS="$ac_save_CXXFLAGS"])
if eval test x\$$cachevar = xyes; then
CXXFLAGS="$CXXFLAGS $switch"
ac_success=yes
break
fi
done
fi])
AC_LANG_POP([C++])
if test x$ax_cxx_compile_cxx11_required = xtrue; then
if test x$ac_success = xno; then
AC_MSG_ERROR([*** A compiler with support for C++11 language features is required.])
fi
else
if test x$ac_success = xno; then
HAVE_CXX11=0
AC_MSG_NOTICE([No compiler with C++11 support was found])
else
HAVE_CXX11=1
AC_DEFINE(HAVE_CXX11,1,
[define if the compiler supports basic C++11 syntax])
fi
AC_SUBST(HAVE_CXX11)
fi
])
# ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_lib_hdf5.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_LIB_HDF5([serial/parallel])
#
# DESCRIPTION
#
# This macro provides tests of the availability of HDF5 library.
#
# The optional macro argument should be either 'serial' or 'parallel'. The
# former only looks for serial HDF5 installations via h5cc. The latter
# only looks for parallel HDF5 installations via h5pcc. If the optional
# argument is omitted, serial installations will be preferred over
# parallel ones.
#
# The macro adds a --with-hdf5 option accepting one of three values:
#
# no - do not check for the HDF5 library.
# yes - do check for HDF5 library in standard locations.
# path - complete path to the HDF5 helper script h5cc or h5pcc.
#
# If HDF5 is successfully found, this macro calls
#
# AC_SUBST(HDF5_VERSION)
# AC_SUBST(HDF5_CC)
# AC_SUBST(HDF5_CFLAGS)
# AC_SUBST(HDF5_CPPFLAGS)
# AC_SUBST(HDF5_LDFLAGS)
# AC_SUBST(HDF5_LIBS)
# AC_SUBST(HDF5_FC)
# AC_SUBST(HDF5_FFLAGS)
# AC_SUBST(HDF5_FLIBS)
# AC_DEFINE(HAVE_HDF5)
#
# and sets with_hdf5="yes". Additionally, the macro sets
# with_hdf5_fortran="yes" if a matching Fortran wrapper script is found.
# Note that Autconf's Fortran support is not used to perform this check.
# H5CC and H5FC will contain the appropriate serial or parallel HDF5
# wrapper script locations.
#
# If HDF5 is disabled or not found, this macros sets with_hdf5="no" and
# with_hdf5_fortran="no".
#
# Your configuration script can test $with_hdf to take any further
# actions. HDF5_{C,CPP,LD}FLAGS may be used when building with C or C++.
# HDF5_F{FLAGS,LIBS} should be used when building Fortran applications.
#
# To use the macro, one would code one of the following in "configure.ac"
# before AC_OUTPUT:
#
# 1) dnl Check for HDF5 support
# AX_LIB_HDF5()
#
# 2) dnl Check for serial HDF5 support
# AX_LIB_HDF5([serial])
#
# 3) dnl Check for parallel HDF5 support
# AX_LIB_HDF5([parallel])
#
# One could test $with_hdf5 for the outcome or display it as follows
#
# echo "HDF5 support: $with_hdf5"
#
# You could also for example, override the default CC in "configure.ac" to
# enforce compilation with the compiler that HDF5 uses:
#
# AX_LIB_HDF5([parallel])
# if test "$with_hdf5" = "yes"; then
# CC="$HDF5_CC"
# else
# AC_MSG_ERROR([Unable to find HDF5, we need parallel HDF5.])
# fi
#
# LICENSE
#
# Copyright (c) 2009 Timothy Brown <tbrown@freeshell.org>
# Copyright (c) 2010 Rhys Ulerich <rhys.ulerich@gmail.com>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
AC_DEFUN([AX_LIB_HDF5], [
AC_REQUIRE([AC_PROG_SED])
AC_REQUIRE([AC_PROG_AWK])
AC_REQUIRE([AC_PROG_GREP])
dnl Check first argument is one of the recognized values.
dnl Fail eagerly if is incorrect as this simplifies case statements below.
if test "m4_normalize(m4_default([$1],[]))" = "" ; then
: # Recognized value
elif test "m4_normalize(m4_default([$1],[]))" = "serial" ; then
: # Recognized value
elif test "m4_normalize(m4_default([$1],[]))" = "parallel"; then
: # Recognized value
else
AC_MSG_ERROR([
Unrecognized value for AX[]_LIB_HDF5 within configure.ac.
If supplied, argument 1 must be either 'serial' or 'parallel'.
])
fi
dnl Add a default --with-hdf5 configuration option.
AC_ARG_WITH([hdf5],
AS_HELP_STRING(
[--with-hdf5=[yes/no/PATH]],
m4_case(m4_normalize([$1]),
[serial], [location of h5cc for serial HDF5 configuration],
[parallel], [location of h5pcc for parallel HDF5 configuration],
[location of h5cc or h5pcc for HDF5 configuration])
),
[if test "$withval" = "no"; then
with_hdf5="no"
elif test "$withval" = "yes"; then
with_hdf5="yes"
else
with_hdf5="yes"
H5CC="$withval"
fi],
[with_hdf5="yes"]
)
dnl Set defaults to blank
HDF5_CC=""
HDF5_VERSION=""
HDF5_CFLAGS=""
HDF5_CPPFLAGS=""
HDF5_LDFLAGS=""
HDF5_LIBS=""
HDF5_FC=""
HDF5_FFLAGS=""
HDF5_FLIBS=""
dnl Try and find hdf5 compiler tools and options.
if test "$with_hdf5" = "yes"; then
if test -z "$H5CC"; then
dnl Check to see if H5CC is in the path.
AC_PATH_PROGS(
[H5CC],
m4_case(m4_normalize([$1]),
[serial], [h5cc],
[parallel], [h5pcc],
[h5cc h5pcc]),
[])
else
AC_MSG_CHECKING([Using provided HDF5 C wrapper])
AC_MSG_RESULT([$H5CC])
fi
AC_MSG_CHECKING([for HDF5 libraries])
if test ! -f "$H5CC" || test ! -x "$H5CC"; then
AC_MSG_RESULT([no])
AC_MSG_WARN(m4_case(m4_normalize([$1]),
[serial], [
Unable to locate serial HDF5 compilation helper script 'h5cc'.
Please specify --with-hdf5=<LOCATION> as the full path to h5cc.
HDF5 support is being disabled (equivalent to --with-hdf5=no).
], [parallel],[
Unable to locate parallel HDF5 compilation helper script 'h5pcc'.
Please specify --with-hdf5=<LOCATION> as the full path to h5pcc.
HDF5 support is being disabled (equivalent to --with-hdf5=no).
], [
Unable to locate HDF5 compilation helper scripts 'h5cc' or 'h5pcc'.
Please specify --with-hdf5=<LOCATION> as the full path to h5cc or h5pcc.
HDF5 support is being disabled (equivalent to --with-hdf5=no).
]))
with_hdf5="no"
with_hdf5_fortran="no"
else
dnl Get the h5cc output
HDF5_SHOW=$(eval $H5CC -show)
dnl Get the actual compiler used
HDF5_CC=$(eval $H5CC -show | $AWK '{print $[]1}')
if test "$HDF5_CC" = "ccache"; then
HDF5_CC=$(eval $H5CC -show | $AWK '{print $[]2}')
fi
dnl h5cc provides both AM_ and non-AM_ options
dnl depending on how it was compiled either one of
dnl these are empty. Lets roll them both into one.
dnl Look for "HDF5 Version: X.Y.Z"
HDF5_VERSION=$(eval $H5CC -showconfig | $GREP 'HDF5 Version:' \
| $AWK '{print $[]3}')
dnl A ideal situation would be where everything we needed was
dnl in the AM_* variables. However most systems are not like this
dnl and seem to have the values in the non-AM variables.
dnl
dnl We try the following to find the flags:
dnl (1) Look for "NAME:" tags
dnl (2) Look for "H5_NAME:" tags
dnl (3) Look for "AM_NAME:" tags
dnl
HDF5_tmp_flags=$(eval $H5CC -showconfig \
| $GREP 'FLAGS\|Extra libraries:' \
| $AWK -F: '{printf("%s "), $[]2}' )
dnl Find the installation directory and append include/
HDF5_tmp_inst=$(eval $H5CC -showconfig \
| $GREP 'Installation point:' \
| $AWK '{print $[]NF}' )
dnl Add this to the CPPFLAGS
HDF5_CPPFLAGS="-I${HDF5_tmp_inst}/include"
dnl Now sort the flags out based upon their prefixes
for arg in $HDF5_SHOW $HDF5_tmp_flags ; do
case "$arg" in
-I*) echo $HDF5_CPPFLAGS | $GREP -e "$arg" 2>&1 >/dev/null \
|| HDF5_CPPFLAGS="$arg $HDF5_CPPFLAGS"
;;
-L*) echo $HDF5_LDFLAGS | $GREP -e "$arg" 2>&1 >/dev/null \
|| HDF5_LDFLAGS="$arg $HDF5_LDFLAGS"
;;
-l*) echo $HDF5_LIBS | $GREP -e "$arg" 2>&1 >/dev/null \
|| HDF5_LIBS="$arg $HDF5_LIBS"
;;
esac
done
HDF5_LIBS="$HDF5_LIBS -lhdf5"
AC_MSG_RESULT([yes (version $[HDF5_VERSION])])
dnl See if we can compile
ax_lib_hdf5_save_CC=$CC
ax_lib_hdf5_save_CPPFLAGS=$CPPFLAGS
ax_lib_hdf5_save_LIBS=$LIBS
ax_lib_hdf5_save_LDFLAGS=$LDFLAGS
CC=$HDF5_CC
CPPFLAGS=$HDF5_CPPFLAGS
LIBS=$HDF5_LIBS
LDFLAGS=$HDF5_LDFLAGS
AC_CHECK_HEADER([hdf5.h], [ac_cv_hadf5_h=yes], [ac_cv_hadf5_h=no])
AC_CHECK_LIB([hdf5], [H5Fcreate], [ac_cv_libhdf5=yes],
[ac_cv_libhdf5=no])
if test "$ac_cv_hadf5_h" = "no" && test "$ac_cv_libhdf5" = "no" ; then
AC_MSG_WARN([Unable to compile HDF5 test program])
fi
dnl Look for HDF5's high level library
AC_HAVE_LIBRARY([hdf5_hl], [HDF5_LIBS="$HDF5_LIBS -lhdf5_hl"], [], [])
CC=$ax_lib_hdf5_save_CC
CPPFLAGS=$ax_lib_hdf5_save_CPPFLAGS
LIBS=$ax_lib_hdf5_save_LIBS
LDFLAGS=$ax_lib_hdf5_save_LDFLAGS
AC_MSG_CHECKING([for matching HDF5 Fortran wrapper])
dnl Presume HDF5 Fortran wrapper is just a name variant from H5CC
H5FC=$(eval echo -n $H5CC | $SED -n 's/cc$/fc/p')
if test -x "$H5FC"; then
AC_MSG_RESULT([$H5FC])
with_hdf5_fortran="yes"
AC_SUBST([H5FC])
dnl Again, pry any remaining -Idir/-Ldir from compiler wrapper
for arg in `$H5FC -show`
do
case "$arg" in #(
-I*) echo $HDF5_FFLAGS | $GREP -e "$arg" >/dev/null \
|| HDF5_FFLAGS="$arg $HDF5_FFLAGS"
;;#(
-L*) echo $HDF5_FFLAGS | $GREP -e "$arg" >/dev/null \
|| HDF5_FFLAGS="$arg $HDF5_FFLAGS"
dnl HDF5 installs .mod files in with libraries,
dnl but some compilers need to find them with -I
echo $HDF5_FFLAGS | $GREP -e "-I${arg#-L}" >/dev/null \
|| HDF5_FFLAGS="-I${arg#-L} $HDF5_FFLAGS"
;;
esac
done
dnl Make Fortran link line by inserting Fortran libraries
for arg in $HDF5_LIBS
do
case "$arg" in #(
-lhdf5_hl) HDF5_FLIBS="$HDF5_FLIBS -lhdf5hl_fortran $arg"
;; #(
-lhdf5) HDF5_FLIBS="$HDF5_FLIBS -lhdf5_fortran $arg"
;; #(
*) HDF5_FLIBS="$HDF5_FLIBS $arg"
;;
esac
done
else
AC_MSG_RESULT([no])
with_hdf5_fortran="no"
fi
AC_SUBST([HDF5_VERSION])
AC_SUBST([HDF5_CC])
AC_SUBST([HDF5_CFLAGS])
AC_SUBST([HDF5_CPPFLAGS])
AC_SUBST([HDF5_LDFLAGS])
AC_SUBST([HDF5_LIBS])
AC_SUBST([HDF5_FC])
AC_SUBST([HDF5_FFLAGS])
AC_SUBST([HDF5_FLIBS])
AC_DEFINE([HAVE_HDF5], [1], [Defined if you have HDF5 support])
fi
fi
])
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