add CMake support for fetching external potential files (f36a84bd) · Commits · 郑智淋 / lammps

cmake/CMakeLists.txt

+9 −0

Original line number	Diff line number	Diff line
		@@ -365,6 +365,15 @@ target_link_libraries(lammps PRIVATE ${MATH_LIBRARIES})
		include(StyleHeaderUtils)
		RegisterStyles(${LAMMPS_SOURCE_DIR})

		########################################################
		# Fetch missing external files and archives for packages
		########################################################
		foreach(PKG ${STANDARD_PACKAGES} ${SUFFIX_PACKAGES})
		if(PKG_${PKG})
		FetchPotentials(${${PKG}_SOURCES_DIR} ${LAMMPS_POTENTIALS_DIR})
		endif()
		endforeach()

		##############################################
		# add sources of enabled packages
		############################################

+17 −0

Original line number	Diff line number	Diff line
		@@ -85,3 +85,20 @@ function(GenerateBinaryHeader varname outfile files)
		file(APPEND ${outfile} "const unsigned int ${varname}_size = sizeof(${varname});\n")
		endforeach()
		endfunction(GenerateBinaryHeader)

		# fetch missing potential files
		function(FetchPotentials pkgfolder potfolder)
		if (EXISTS "${pkgfolder}/potentials.txt")
		set(LAMMPS_POTENTIALS_URL "https://download.lammps.org/potentials")
		file(STRINGS "${pkgfolder}/potentials.txt" linelist REGEX "^[^#].")
		foreach(line ${linelist})
		string(FIND ${line} " " blank)
		math(EXPR plusone "${blank}+1")
		string(SUBSTRING ${line} 0 ${blank} pot)
		string(SUBSTRING ${line} ${plusone} -1 sum)
		message("Checking whether to download external potential ${pot} from ${LAMMPS_POTENTIALS_URL}")
		file(DOWNLOAD "${LAMMPS_POTENTIALS_URL}/${pot}.${sum}" "${LAMMPS_POTENTIALS_DIR}/${pot}"
		EXPECTED_HASH MD5=${sum} SHOW_PROGRESS)
		endforeach()
		endif()
		endfunction(FetchPotentials)