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[SCons] Add INFO output for Eigen

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Prints whether system or private installation is used and the version of
Eigen
This commit is contained in:
Bryan W. Weber 2018-05-28 13:11:11 -04:00 • committed by Ray Speth
parent 3be3f7dad5
commit e42b952a8a
1 changed files with 25 additions and 16 deletions
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41
SConstruct
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@ -852,6 +852,21 @@ def config_error(message):
if not conf.CheckCXXHeader('cmath', '<>'):
config_error('The C++ compiler is not correctly configured.')
def get_expression_value(includes, expression):
s = ['#include ' + i for i in includes]
s.extend(('#define Q(x) #x',
'#define QUOTE(x) Q(x)',
'#include <iostream>',
'#ifndef SUNDIALS_PACKAGE_VERSION', # name change in Sundials >= 3.0
'#define SUNDIALS_PACKAGE_VERSION SUNDIALS_VERSION',
'#endif',
'int main(int argc, char** argv) {',
' std::cout << %s << std::endl;' % expression,
' return 0;',
'}\n'))
return '\n'.join(s)
# Check for fmt library and checkout submodule if needed
# Test for 'ostream.h' to ensure that version >= 3.0.0 is available
if env['system_fmt'] in ('y', 'default'):
@ -912,12 +927,14 @@ if env['system_googletest'] in ('n', 'default'):
if env['system_eigen'] in ('y', 'default'):
if conf.CheckCXXHeader('Eigen/Dense', '<>'):
env['system_eigen'] = True
print("""INFO: Using system installation of Eigen.""")
elif env['system_eigen'] == 'y':
config_error('Expected system installation of Eigen, but it '
'could not be found.')
if env['system_eigen'] in ('n', 'default'):
env['system_eigen'] = False
print("""INFO: Using private installation of Eigen.""")
if not os.path.exists('ext/eigen/Eigen/Dense'):
if not os.path.exists('.git'):
config_error('Eigen is missing. Install Eigen in ext/eigen.')
@ -932,20 +949,12 @@ if env['system_eigen'] in ('n', 'default'):
'Try manually checking out the submodule with:\n\n'
' git submodule update --init --recursive ext/eigen\n')
def get_expression_value(includes, expression):
s = ['#include ' + i for i in includes]
s.extend(('#define Q(x) #x',
'#define QUOTE(x) Q(x)',
'#include <iostream>',
'#ifndef SUNDIALS_PACKAGE_VERSION', # name change in Sundials >= 3.0
'#define SUNDIALS_PACKAGE_VERSION SUNDIALS_VERSION',
'#endif',
'int main(int argc, char** argv) {',
' std::cout << %s << std::endl;' % expression,
' return 0;',
'}\n'))
return '\n'.join(s)
eigen_include = '<Eigen/Core>' if env['system_eigen'] else '"../ext/eigen/Eigen/Core"'
eigen_versions = 'QUOTE(EIGEN_WORLD_VERSION) "." QUOTE(EIGEN_MAJOR_VERSION) "." QUOTE(EIGEN_MINOR_VERSION)'
eigen_version_source = get_expression_value([eigen_include], eigen_versions)
retcode, eigen_lib_version = conf.TryRun(eigen_version_source, '.cpp')
env['EIGEN_LIB_VERSION'] = eigen_lib_version.strip()
print('INFO: Found Eigen version {}'.format(env['EIGEN_LIB_VERSION']))
# Determine which standard library to link to when using Fortran to
# compile code that links to Cantera
@ -954,8 +963,8 @@ env['HAS_LIBCPP'] = conf.CheckDeclaration('_LIBCPP_VERSION', '#include <iostream
boost_version_source = get_expression_value(['<boost/version.hpp>'], 'BOOST_LIB_VERSION')
retcode, boost_lib_version = conf.TryRun(boost_version_source, '.cpp')
env['BOOST_LIB_VERSION'] = boost_lib_version.strip()
print('INFO: Found Boost version {0!r}'.format(env['BOOST_LIB_VERSION']))
env['BOOST_LIB_VERSION'] = '.'.join(boost_lib_version.strip().split('_'))
print('INFO: Found Boost version {0}'.format(env['BOOST_LIB_VERSION']))
if not env['BOOST_LIB_VERSION']:
config_error("Boost could not be found. Install Boost headers or set"
" 'boost_inc_dir' to point to the boost headers.")