Do not break lines in Makefile

Author: thejohnfreeman

Makefile.common

@@ -47,9 +47,7 @@ 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} \
-		--profile:build default --profile:host default
+	${CMAKE} -E chdir ${build_dir} ${CONAN} install ${source_dir} --build missing -s build_type=${flavor} --profile:build default --profile:host default
 
 conan : ${conan_toolchain}