Eliminate some warnings

00-upstream/conanfile.py

@@ -8,6 +8,7 @@ class Zero(ConanFile):
     license = 'ISC'
     author = 'John Freeman <[email protected]>'
     url = 'https://github.com/thejohnfreeman/project-template-cpp'
+    description = 'A project with no binary requirements.'
 
     settings = 'os', 'compiler', 'build_type', 'arch'
     options = {'shared': [True, False], 'fPIC': [True, False]}

Makefile.common

@@ -47,7 +47,9 @@ conanfile := $(wildcard conanfile.*)
 conan_toolchain := ${build_dir}/conan_toolchain.cmake
 
 ${conan_toolchain} : ${conanfile} | ${build_dir}
-	${CMAKE} -E chdir ${build_dir} ${CONAN} install ${source_dir} --build missing -s build_type=${flavor}
+	${CMAKE} -E chdir ${build_dir} ${CONAN} install ${source_dir} \
+		--build missing -s build_type=${flavor} \
+		--profile:build default --profile:host default
 
 conan : ${conan_toolchain}