cmake: only enable CXX by default (2797afbf) · Commits · 郑智淋 / lammps

cmake/CMakeLists.txt

+4 −5

Original line number	Diff line number	Diff line
		@@ -4,7 +4,7 @@
		# Created by Christoph Junghans and Richard Berger
		cmake_minimum_required(VERSION 3.1)

		project(lammps)
		project(lammps LANGUAGES CXX)
		set(SOVERSION 0)
		set(LAMMPS_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../src)
		set(LAMMPS_LIB_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../lib)
		@@ -39,8 +39,6 @@ if(NOT SRC_FILES STREQUAL SRC_FILES_CACHED)
		set(SRC_FILES_CACHED "${SRC_FILES}" CACHE INTERNAL "List of file in LAMMPS_SOURCE_DIR" FORCE)
		endif()

		enable_language(CXX)

		######################################################################
		# compiler tests
		# these need ot be done early (before further tests).
		@@ -73,6 +71,7 @@ if(ENABLE_MPI)
		add_definitions(-DLAMMPS_LONGLONG_TO_LONG)
		endif()
		else()
		enable_language(C)
		file(GLOB MPI_SOURCES ${LAMMPS_SOURCE_DIR}/STUBS/mpi.c)
		add_library(mpi_stubs STATIC ${MPI_SOURCES})
		include_directories(${LAMMPS_SOURCE_DIR}/STUBS)
		@@ -359,9 +358,9 @@ endif()
		########################################################################
		# Basic system tests (standard libraries, headers, functions, types) #
		########################################################################
		include(CheckIncludeFile)
		include(CheckIncludeFileCXX)
		foreach(HEADER math.h)
		check_include_file(${HEADER} FOUND_${HEADER})
		check_include_file_cxx(${HEADER} FOUND_${HEADER})
		if(NOT FOUND_${HEADER})
		message(FATAL_ERROR "Could not find needed header - ${HEADER}")
		endif(NOT FOUND_${HEADER})