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[SCons] Add test for Fortran library

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Check for both the Fortran compiler and the corresponding Fortran library before
deciding whether to build the F90 interface. This will automatically disable the
F90 interface on platforms that provide gfortran but don't put libgfortran in a
standard location.
This commit is contained in:
Ray Speth 2014-02-24 03:25:19 +00:00
parent 7edc16d7c1
commit ae5fa4a042
1 changed files with 57 additions and 43 deletions
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100
SConstruct
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@ -662,49 +662,6 @@ env['extra_lib_dirs'] = [d for d in env['extra_lib_dirs'].split(':') if d]
env.Append(CPPPATH=env['extra_inc_dirs'],
LIBPATH=env['extra_lib_dirs'])
# Try to find a Fortran compiler:
if env['f90_interface'] in ('y','default'):
foundF90 = False
if env['FORTRAN']:
env['f90_interface'] = 'y'
if which(env['FORTRAN']) is not None:
foundF90 = True
else:
print "WARNING: Couldn't find specified Fortran compiler: '%s'" % env['FORTRAN']
for compiler in ['gfortran', 'ifort', 'g95']:
if foundF90:
break
if which(compiler) is not None:
print "INFO: Using '%s' to build the Fortran 90 interface" % which(compiler)
env['FORTRAN'] = compiler
foundF90 = True
if foundF90:
env['f90_interface'] = 'y'
elif env['f90_interface'] == 'y':
print "ERROR: Couldn't find a suitable Fortran compiler to build the Fortran 90 interface."
sys.exit(1)
else:
print "INFO: Skipping compilation of the Fortran 90 interface."
if 'gfortran' in env['FORTRAN']:
env['FORTRANMODDIRPREFIX'] = '-J'
env['FORTRANSYSLIBS'] = ['gfortran']
elif 'g95' in env['FORTRAN']:
env['FORTRANMODDIRPREFIX'] = '-fmod='
env['FORTRANSYSLIBS'] = ['f95']
elif 'ifort' in env['FORTRAN']:
env['FORTRANMODDIRPREFIX'] = '-module '
env['FORTRANSYSLIBS'] = []
else:
env['FORTRANSYSLIBS'] = []
env['F77'] = env['F90'] = env['F95'] = env['F03'] = env['FORTRAN']
env['F77FLAGS'] = env['F90FLAGS'] = env['F95FLAGS'] = env['F03FLAGS'] = env['FORTRANFLAGS']
env['FORTRANMODDIR'] = '${TARGET.dir}'
if env['CC'] == 'cl':
# embed manifest file
env['LINKCOM'] = [env['LINKCOM'],
@ -845,6 +802,63 @@ if env['HAS_SUNDIALS'] and env['use_sundials'] != 'n':
print ('WARNING: External BLAS/LAPACK has been specified for Cantera '
'but Sundials was built without this support.')
# Try to find a working Fortran compiler:
env['FORTRANSYSLIBS'] = []
fortran_libs = {'gfortran':'gfortran', 'g95':'f95'}
def check_fortran(compiler, expected=False):
if which(compiler) is not None:
lib = fortran_libs.get(compiler)
if lib:
have_lib = conf.CheckLib(lib)
if have_lib:
env.Append(FORTRANSYSLIBS=lib)
env['FORTRAN'] = compiler
return True
else:
print ("WARNING: Unable to use '%s' to compile the Fortran "
"interface because the library '%s' could not be found." %
(compiler, lib))
else:
env['FORTRAN'] = compiler
return True
elif expected:
print "WARNING: Couldn't find specified Fortran compiler: '%s'" % compiler
return False
if env['f90_interface'] in ('y','default'):
foundF90 = False
if env['FORTRAN']:
foundF90 = check_fortran(env['FORTRAN'], True)
for compiler in ('gfortran', 'ifort', 'g95'):
if foundF90:
break
foundF90 = check_fortran(compiler)
if foundF90:
print "INFO: Using '%s' to build the Fortran 90 interface" % env['FORTRAN']
env['f90_interface'] = 'y'
else:
if env['f90_interface'] == 'y':
print "ERROR: Couldn't find a suitable Fortran compiler to build the Fortran 90 interface."
sys.exit(1)
else:
env['f90_interface'] = 'n'
print "INFO: Skipping compilation of the Fortran 90 interface."
if 'gfortran' in env['FORTRAN']:
env['FORTRANMODDIRPREFIX'] = '-J'
elif 'g95' in env['FORTRAN']:
env['FORTRANMODDIRPREFIX'] = '-fmod='
elif 'ifort' in env['FORTRAN']:
env['FORTRANMODDIRPREFIX'] = '-module '
env['F77'] = env['F90'] = env['F95'] = env['F03'] = env['FORTRAN']
env['F77FLAGS'] = env['F90FLAGS'] = env['F95FLAGS'] = env['F03FLAGS'] = env['FORTRANFLAGS']
env['FORTRANMODDIR'] = '${TARGET.dir}'
env = conf.Finish()