mirror of https://gitlab.com/ita1024/waf.git
46 lines
1.7 KiB
Python
46 lines
1.7 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, Tools
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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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link_task = getattr(self, 'link_task', None)
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for task in self.compiled_tasks:
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node = task.outputs[0].change_ext('.pdb')
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pdb_flag = '/Fd:' + node.abspath()
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canAddNode = False
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for flagname in ('CFLAGS', 'CXXFLAGS', 'FCFLAGS'):
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if not flagname in task.env:
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continue
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flags = task.env[flagname]
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for i, flag in reversed(list(enumerate(flags))):
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# Capture both /Zi and /ZI, which cause the compiler to emit a PDB file.
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if flag[1:].lower() == 'zi':
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canAddNode = True
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task.env.append_unique(flagname, pdb_flag)
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# Strip existing /Fd, /FS, or /MP flags.
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# We have to check for /Fd case sensitive, so that we won't accidentally
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# overwrite GCC flags such as "-fdata-sections".
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if flag[1:3] == 'Fd' \
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or flag[1:].lower() == 'fs' \
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or flag[1:].lower() == 'mp':
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del task.env[flagname][i]
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if canAddNode:
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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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