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scons: prevent duplication of linker flags

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This commit is contained in:
Mickey Rose 2020-01-30 18:38:20 +01:00
parent 6f4c15d077
commit be017f1945
1 changed files with 5 additions and 3 deletions
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8
SConstruct
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@ -1423,14 +1423,16 @@ if not preconfigured:
env.Append(LINKFLAGS = DEFAULT_CXX14_LINKFLAGS)
custom_ldflags = env.ParseFlags(env['CUSTOM_LDFLAGS'])
# ParseFlags puts everything it does not recognize into CCFLAGS,
# but let's assume the user knows better, put those in LINKFLAGS
env.Append(LINKFLAGS = custom_ldflags.pop('CCFLAGS'))
env.Append(LINKFLAGS = custom_ldflags.pop('LINKFLAGS'),
LIBS = custom_ldflags.pop('LIBS'))
env.AppendUnique(FRAMEWORKS = custom_ldflags.pop('FRAMEWORKS'),
LIBPATH = custom_ldflags.pop('LIBPATH'),
RPATH = custom_ldflags.pop('RPATH'))
# ParseFlags puts everything it does not recognize into CCFLAGS,
# but let's assume the user knows better: add those to LINKFLAGS.
# In order to prevent duplication of flags which ParseFlags puts
# into both CCFLAGS and LINKFLAGS, call AppendUnique.
env.AppendUnique(LINKFLAGS = custom_ldflags.pop('CCFLAGS'))
invalid_ldflags = {k:v for k,v in custom_ldflags.items() if v}
if invalid_ldflags: