c++ - How can CDT project be compilable by itself, but not compilable as linked folder? -


i have c++ project compilable (the project leptonica). consists of configure script , compiles make.

if import project eclipse cdt, compiles (with autotools toolchain).

but then, if create empty cdt static library project, , refer project above within it, becomes not compilable. tries compile referred project , produces bad errors include file not found , on.

my question how can be?

update

sorry, referring project linking folder.

i.e. project properties -> c/c++ general -> paths , symbols -> source location -> link folder -> link folder in file system

when linking, message 

location 'mylocation' may overlap resource. can cause unexpected side-effects.

appears.

update 2

actual error 

building file: <mypath>/leptonica-1.69/src/freetype.c invoking: gcc c compiler gcc -o0 -g3 -wall -c -fmessage-length=0 -mmd -mp -mf"leptonica-1.69/src/freetype.d" -mt"leptonica-1.69/src/freetype.d" -o "leptonica-1.69/src/freetype.o" "<mypath>/leptonica-1.69/src/freetype.c" in file included <mypath>/leptonica-1.69/src/freetype.c:31:0: /usr/include/ft2build.h:56:38: fatal error: freetype/config/ftheader.h: no such file or directory compilation terminated. make: *** [leptonica-1.69/src/freetype.o] error 1

i.e. can't find file finds if compiled standalone.


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