conan/tools/_check_build_profile.py
check_msg = "Using the new toolchains and generators without specifying " \
"a build profile (e.g: -pr:b=default) is discouraged and "\
"might cause failures and unexpected behavior"
def check_using_build_profile(conanfile):
"""FIXME: Remove this in Conan 2.0 where the two profiles are always applied"""
if not hasattr(conanfile, "settings_build"):
conanfile.output.warn(check_msg)