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-rw-r--r--lib/spack/spack/build_systems/autotools.py24
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/spack/spack/build_systems/autotools.py b/lib/spack/spack/build_systems/autotools.py
index eb237bcc4e..ce0e40b34c 100644
--- a/lib/spack/spack/build_systems/autotools.py
+++ b/lib/spack/spack/build_systems/autotools.py
@@ -5,10 +5,12 @@
import inspect
+import fileinput
import os
import os.path
import shutil
import stat
+import sys
from subprocess import PIPE
from subprocess import check_call
@@ -56,6 +58,9 @@ class AutotoolsPackage(PackageBase):
build_system_class = 'AutotoolsPackage'
#: Whether or not to update ``config.guess`` on old architectures
patch_config_guess = True
+ #: Whether or not to update ``libtool``
+ #: (currently only for Arm/Clang/Fujitsu compilers)
+ patch_libtool = True
#: Targets for ``make`` during the :py:meth:`~.AutotoolsPackage.build`
#: phase
@@ -148,6 +153,25 @@ class AutotoolsPackage(PackageBase):
raise RuntimeError('Failed to find suitable config.guess')
+ @run_after('configure')
+ def _do_patch_libtool(self):
+ """If configure generates a "libtool" script that does not correctly
+ detect the compiler (and patch_libtool is set), patch in the correct
+ flags for the Arm, Clang/Flang, and Fujitsu compilers."""
+
+ libtool = os.path.join(self.build_directory, "libtool")
+ if self.patch_libtool and os.path.exists(libtool):
+ if self.spec.satisfies('%arm') or self.spec.satisfies('%clang') \
+ or self.spec.satisfies('%fj'):
+ for line in fileinput.input(libtool, inplace=True):
+ # Replace missing flags with those for Arm/Clang
+ if line == 'wl=""\n':
+ line = 'wl="-Wl,"\n'
+ if line == 'pic_flag=""\n':
+ line = 'pic_flag="{0}"\n'\
+ .format(self.compiler.pic_flag)
+ sys.stdout.write(line)
+
@property
def configure_directory(self):
"""Returns the directory where 'configure' resides.