[CMake] using ExternalProject_Add when cmake is launched

[Kai Wolf]

You probably need to manually add a dependency from your ExternalProject to
your target that needs the libraries.
For instance

    ExternalProject_Add(fetch_win32_libs ...)
    add_library(your_other_target ...)
    add_dependencies(your_other_target fetch_win32_libs)

Greetings

Kai Wolf

http://kai-wolf.me/
kai.wolf at gmail.com

2018-05-02 8:47 GMT+02:00 Stéphane Ancelot <sancelot at numalliance.com>:

> Hi,
>
> I have got some win32 libraries dependencies stored in a project .
>
> Then I added ExternalProject_Add at beginning of my cmakelists file in
> order to clone this dependency to be available.
>
> and then provide the root path as follow:
>
> SET(CMAKE_FIND_ROOT_PATH /usr/i586-mingw32msvc
> ${CMAKE_CURRENT_SOURCE_DIR}/WIN32DEPS/JPEGLIB/jpegsrc-9c
> ${CMAKE_CURRENT_SOURCE_DIR}/WIN32DEPS/zlib-1.2.3-lib
> ${CMAKE_CURRENT_SOURCE_DIR}/WIN32DEPS/libpng-1.2.37-lib
> ${CMAKE_CURRENT_SOURCE_DIR}/WIN32DEPS/ftgl-binary
> ${CMAKE_CURRENT_SOURCE_DIR}/WIN32DEPS/freetype-dev_2.4.2-1
> ${CMAKE_CURRENT_SOURCE_DIR}/WIN32DEPS/iconv-1.9.2.1
>                         )
>
>
> unfortunately, the project is not cloned when cmake is launched and the
> next dependencies don't find the packages :-(
>
> What Can I do ?
>
> Regards,
>
> S.Ancelot
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