print C++ standard in use message with help page and "info config" command (65807009) · Commits · 郑智淋 / lammps

src/info.cpp

+18 −0

Original line number	Diff line number	Diff line
		@@ -281,6 +281,7 @@ void Info::command(int narg, char **arg)
		infobuf = get_compiler_info();
		fprintf(out,"\nCompiler: %s with %s\n",infobuf,get_openmp_info());
		delete[] infobuf;
		fprintf(out,"C++ standard: %s\n",get_cxx_info());

		fputs("\nActive compile time flags:\n\n",out);
		if (has_gzip_support()) fputs("-DLAMMPS_GZIP\n",out);
		@@ -1208,6 +1209,23 @@ const char *Info::get_openmp_info()
		#endif
		}

		const char *Info::get_cxx_info()
		{
		#if __cplusplus > 201703L
		return (const char *)"newer than C++17";
		#elif __cplusplus == 201703L
		return (const char *)"C++17";
		#elif __cplusplus == 201402L
		return (const char *)"C++14";
		#elif __cplusplus == 201103L
		return (const char *)"C++11";
		#elif __cplusplus == 199711L
		return (const char *)"C++98";
		#else
		return (const char *)"unknown";
		#endif
		}

		/* ---------------------------------------------------------------------- */

		char **Info::get_variable_names(int &num) {

+1 −0

Original line number	Diff line number	Diff line
		@@ -43,6 +43,7 @@ class Info : protected Pointers {
		static char *get_os_info();
		static char *get_compiler_info();
		static const char *get_openmp_info();
		static const char *get_cxx_info();

		char **get_variable_names(int &num);

+2 −1

Original line number	Diff line number	Diff line
		@@ -1276,8 +1276,9 @@ void LAMMPS::print_config(FILE *fp)
		delete[] infobuf;

		infobuf = Info::get_compiler_info();
		fprintf(fp,"Compiler: %s with %s\n\n",infobuf,Info::get_openmp_info());
		fprintf(fp,"Compiler: %s with %s\n",infobuf,Info::get_openmp_info());
		delete[] infobuf;
		fprintf(fp,"C++ standard: %s\n\n",Info::get_cxx_info());

		fputs("Active compile time flags:\n\n",fp);
		if (Info::has_gzip_support()) fputs("-DLAMMPS_GZIP\n",fp);