Allow conanfile to be generated #549
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Instead of using CMAKE_SOURCE_DIR for the automatic detection of the conanfile.txt or conanfile.py, the conan_install function also checks if a <build_dir>/conanfile.txt or <build_dir>/conanfile.py exists. If yes, it will use those in the conan install run. This allows to generate those files from within CMakeList.txt before the first find_package call happens.
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Instead of using CMAKE_SOURCE_DIR for the automatic detection of the conanfile.txt or conanfile.py, the conan_install function also checks if a <build_dir>/conanfile.txt or <build_dir>/conanfile.py exists. If yes, it will use those in the conan install run.
This allows to generate those files from within CMakeList.txt before the first find_package call happens.