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Add some comments to the cc wrapper

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This commit is contained in:
Jack Nagel 2014-04-21 10:40:26 -05:00
parent 9d15aefd2e
commit 0682c1ad02
1 changed files with 5 additions and 2 deletions
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7
Library/ENV/4.3/cc
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@ -230,6 +230,7 @@ class Cmd
syspath.reject { |d| d == brewfix }.map! { |d| File.join(d, "lib") }
end
# Paths added as "-isystem<path>" and "-I<path>" flags
def cpath
cpath = path_split("CMAKE_PREFIX_PATH").map! { |d| File.join(d, "include") }
cpath += path_split("CMAKE_INCLUDE_PATH")
@ -238,6 +239,7 @@ class Cmd
[sys, opt]
end
# Paths added as "-L<path>" flags
def libpath
libpath = path_split("CMAKE_PREFIX_PATH").map! { |d| File.join(d, "lib") }
libpath += path_split("CMAKE_LIBRARY_PATH")
@ -258,10 +260,11 @@ class Cmd
args
end
# Keg-only opt paths get the "-I" treatment since it has higher priority that
# "-isystem", and we want them to be searched before system directories as
# well as any directories added by the build system.
def cppflags
sys, opt = cpath
# we want our keg-only includes to be found before system includes *and*
# before any other includes the build-system adds
path_flags("-isystem", sys) + path_flags("-I", opt)
end