On 10/19/2009 04:35 PM, David Doria wrote:
On Mon, Oct 19, 2009 at 4:31 PM, Eric Noulard<[email protected]> wrote:
2009/10/19 David Doria<[email protected]>:
You can use $ENV{CPLUS_INCLUDE_PATH} to get the contents of the path.
I tried to do this:
INCLUDE_DIRECTORIES(${INCLUDE_DIRECTORIES} $ENV{CPLUS_INCLUDE_PATH})
I think the appropriate syntax should be:
INCLUDE_DIRECTORIES($ENV{CPLUS_INCLUDE_PATH}))
even if I don't know if comma separated value is supported because
the doc says:
My understanding was that:
INCLUDE_DIRECTORIES(a)
sets INCLUDE_DIRECTORIES to a
where
INCLUDE_DIRECTORIES(${INCLUDE_DIRECTORIES} a)
sets INCLUDE_DIRECTORIES to what it was PLUS a
Is this correct?
Also, these are colon separated values in the .bashrc file - so is the
answer that cmake cannot do this? If so, does it seem like a
reasonable feature request?
Thanks,
David
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The CPLUS_INCLUDE_PATH variable is separated with colons (':'). For
cmake you need to replace those with either spaces or semicolons (sorry,
can't remember exactly). This is what I have in one of my files.
if (NOT $ENV{CPLUS_INCLUDE_PATH} STREQUAL "")
string (REPLACE ":" " " INCLUDES $ENV{CPLUS_INCLUDE_PATH})
string (REPLACE "//" "/" INCLUDES ${INCLUDES})
string(REGEX MATCHALL "[^ ]+" LIST_INCLUDES ${INCLUDES})
endif (NOT $ENV{CPLUS_INCLUDE_PATH} STREQUAL "")
I forgot why I needed the second REPLACE. The first one replaces the ':'
with spaces. The REGEX_MATCHALL creates a list with all paths in the
original CPLUS_INCLUDE_PATH. At the end you probably want
include_directories(LIST_INCLUDES)
Sorry it's been a while since I wrote this and didn't do a good job
documenting. Let me know if it does not solve your problem.
a
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