I am working on a CMake project that depends on a couple other projects I
have previously written. I would like to include those other projects using
"ExternalProject_Add", but I am having some issues.
The basic layout of the project is this:
cmake_minimum_required(VERSION 3.14.0)
project(ProjectWithDependencies)
include(ExternalProject)
ExternalProject_Add(Dependency1
GIT_REPOSITORY <URL to git repo>
)
ExternalProject_Add(Dependency2
GIT_REPOSITORY <URL to git repo>
)
find_package(Dependency1 Required)
find_package(Dependency2 Required)
# Use targets
I was under the assumption that "ExternalProject_Add" would automatically
build and install the dependencies before getting to the "find_package"
calls (they are CMake projects so the default build and install commands
should be fine) but this doesn't seem to be how it works.
When I get to "find_package" it fails because the dependency hasn't been
installed yet.
How can I ensure that the dependencies are fully compiled and installed
before attempting to find them? (Note: FetchContent doesn't work here
because the two projects "Dependency1" and "Dependency2" have targets with
the same name which causes FetchContent to fail.)
Any help is appreciated.
Thanks,
Tim
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