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# Copyright (C) 2001-2018 Quantum ESPRESSO group
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License. See the file `License' in the root directory
# of the present distribution.
AC_INIT(ESPRESSO, 6.6, , espresso)
AC_PREREQ(2.64)
AC_CONFIG_MACRO_DIR([m4/])
# Initialize variables, filling with one comes from the environment...
X_AC_QE_DEFAULT_ENV()
# configure for current directory by default
if test "$topdir" = "" ; then topdir="`pwd`" ; fi
# check system type (no cross-compilation for now)
AC_CANONICAL_BUILD
# Checking Architecture...
X_AC_QE_ARCH()
# Add all needed -D options to try_dflags
try_dflags=""
# Add needed include directories
try_iflags="-I\$(TOPDIR)/include -I\$(TOPDIR)/FoX/finclude "
# Checking archiver...
X_AC_QE_AR()
# Checking OpenMP...
X_AC_QE_OPENMP()
# Checking MPIF90...
X_AC_QE_MPIF90()
# Check environ...
X_AC_QE_ENVIRON()
# Checking CC...
X_AC_QE_CC()
# Checking F90...
X_AC_QE_F90()
# Checking preprocessor...
X_AC_QE_CPP()
# Checking linker...
X_AC_QE_LD()
# Checking CUDA...
X_AC_QE_CUDA()
# Checking F90 rule...
X_AC_QE_F90RULE()
AC_LANG_PUSH(Fortran 77)
F77=$f90 # use Fortran 90 actually
FFLAGS="$test_fflags"
LDFLAGS="$test_ldflags"
# Checking BLAS...
X_AC_QE_BLAS()
# Checking LAPACK...
X_AC_QE_LAPACK()
# Checking for FFT...
X_AC_QE_FFT()
# Setting libxc...
ACX_LIBXC()
# Checking for IBM MASS library...
X_AC_QE_MASS()
# check for MPI library...
X_AC_QE_MPI()
# Setting ScaLAPACK...
X_AC_QE_SCALAPACK()
# Setting ELPA...
X_AC_QE_ELPA()
# Setting BEEF...
X_AC_QE_BEEF()
# Setting HDF5...
X_AC_QE_HDF5()
# Checking SIGNAL...
X_AC_QE_SIGNAL()
# Checking for ranlib...
X_AC_QE_RANLIB()
# Checking wget or curl...
X_AC_QE_WGET()
# Show dflags before adding $(MANUAL_DFLAGS) and adapt to XLF (if needed)
if test "$dflags" = "" ; then dflags="$try_dflags" ; fi
echo setting DFLAGS... $try_dflags
# xlf compilers (AIX and powerpc) want comma-separated -D directives
X_AC_QE_AIX_DFLAGS()
if test "$iflags" = "" ; then iflags="$try_iflags" ; fi
echo setting IFLAGS... $iflags
# export additional settings to generated files
AC_SUBST(dflags)
AC_SUBST(fdflags)
AC_SUBST(iflags)
AC_SUBST(ld_libs)
AC_SUBST(topdir)
AC_SUBST(extlib_flags)
AC_CONFIG_HEADERS([include/qe_cdefs.h:include/qe_cdefs.h.in])
AC_CONFIG_FILES([include/configure.h:include/configure.h.in])
#AC_CONFIG_FILES(Makefile.cpu)
AC_CONFIG_FILES(make.inc)
AC_CONFIG_FILES(configure.msg)
AC_CONFIG_FILES(install/make_wannier90.inc)
AC_OUTPUT
# final messages
sed '/@delete@/d' configure.msg
echo configure: success
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