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Add a keep_system_flag #48

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Add a keep_system_flag #48

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14 changes: 10 additions & 4 deletions pkgconfig/pkgconfig.py
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Original file line number Diff line number Diff line change
Expand Up @@ -135,14 +135,17 @@ def requires(package):
return _query(package, '--print-requires').split('\n')


def cflags(package):
def cflags(package, keep_system=False):
"""
Return the CFLAGS string returned by pkg-config.

If ``pkg-config`` is not on path, raises ``EnvironmentError``.
"""
_raise_if_not_exists(package)
return _query(package, '--cflags')
option = "--cflags"
if keep_system:
option += " --keep-system-cflags"
return _query(package, option)


def modversion(package):
Expand All @@ -155,15 +158,18 @@ def modversion(package):
return _query(package, '--modversion')


def libs(package, static=False):
def libs(package, static=False, keep_system=False):
"""
Return the LDFLAGS string returned by pkg-config.

The static specifier will also include libraries for static linking (i.e.,
includes any private libraries).
"""
_raise_if_not_exists(package)
return _query(package, *_build_options('--libs', static=static))
option = "--libs"
if keep_system:
option += " --keep-system-libs"
return _query(package, *_build_options(option, static=static))


def variables(package):
Expand Down