FetchContent usage fails on current main

[swordfatih]

Using the FetchContent setup from the docs currently fails with :

CMake Error at build/_deps/sl3-src/CMakeLists.txt:101 (include):
  include could not find requested file:

    lib/find_sqlite


CMake Error at build/_deps/sl3-src/CMakeLists.txt:133 (include):
  include could not find requested file:

    lib/install

Reproducer :

cmake_minimum_required(VERSION 3.31)

project(sl3_consumer LANGUAGES C CXX)

include(FetchContent)

FetchContent_Declare(
    sl3
    GIT_REPOSITORY https://github.com/a4z/libsl3.git
    GIT_TAG main
    OVERRIDE_FIND_PACKAGE
)

set(BUILD_TESTING OFF)
set(sl3_USE_INTERNAL_SQLITE3 ON)
set(sl3_USE_COMMON_COMPILER_WARNINGS OFF)

find_package(sl3 CONFIG REQUIRED)

Looks like CMAKE_MODULE_PATH is only updated inside if(PROJECT_IS_TOP_LEVEL) in cmake/project-setup.cmake

When sl3 is consumed through FetchContent that condition is false, but lib/find_sqlite and lib/install are still included from the main CMakeLists.txt.

Adding ${libsl3_SOURCE_DIR}/cmake to CMAKE_MODULE_PATH fixes the issue locally

It looks like this should be outside the top lvl check

list(PREPEND CMAKE_MODULE_PATH "${libsl3_SOURCE_DIR}/cmake")

[a4z]

Thank you so much for the report!

The analysis is correct.

I made a PR that should fix the issue: #73. You can try the branch.
Will merge it tomorrow, if it works

[swordfatih]

works for me now. Thanks !