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49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
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#!/usr/bin/env python
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# encoding: utf-8
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# Rafaël Kooi 2019
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from waflib import TaskGen
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banned_extensions_list = ["rc", "asm", "masm"]
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@TaskGen.feature('c', 'cxx', 'fc')
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@TaskGen.after_method('propagate_uselib_vars')
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def add_pdb_per_object(self):
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"""For msvc/fortran, specify a unique compile pdb per object, to work
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around LNK4099. Flags are updated with a unique /Fd flag based on the
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task output name. This is separate from the link pdb.
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"""
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if not hasattr(self, 'compiled_tasks'):
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return
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link_task = getattr(self, 'link_task', None)
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for task in self.compiled_tasks:
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if task.inputs and (task.inputs[0].name.lower().split(".")[-1] in banned_extensions_list):
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continue
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add_pdb = False
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for flagname in ('CFLAGS', 'CXXFLAGS', 'FCFLAGS'):
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# several languages may be used at once
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for flag in task.env[flagname]:
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if flag[1:].lower() == 'zi':
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add_pdb = True
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break
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if add_pdb:
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node = task.outputs[0].change_ext('.pdb')
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pdb_flag = '/Fd:' + node.abspath()
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for flagname in ('CFLAGS', 'CXXFLAGS', 'FCFLAGS'):
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buf = [pdb_flag]
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for flag in task.env[flagname]:
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if flag[1:3] == 'Fd' or flag[1:].lower() == 'fs' or flag[1:].lower() == 'mp':
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continue
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buf.append(flag)
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task.env[flagname] = buf
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if link_task and not node in link_task.dep_nodes:
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link_task.dep_nodes.append(node)
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if not node in task.outputs:
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task.outputs.append(node)
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