still need to disable variable tracking to silence unwanted warnings on ubuntu (60dfb6f7) · Commits · 郑智淋 / lammps

src/lmptype.h

+11 −5

Original line number	Diff line number	Diff line
		@@ -250,18 +250,24 @@ The typecast prevents compiler warnings about possible truncations.
		// functions and avoid compiler warnings about variable tracking.
		// Disable for broken -D_FORTIFY_SOURCE feature.

		#if defined(_FORTIFY_SOURCE) && (_FORTIFY_SOURCE > 0)
		#define _noopt
		#elif defined(__clang__)
		#if defined(__clang__)
		# define _noopt __attribute__((optnone))
		#elif defined(__INTEL_COMPILER)
		# define _noopt
		#elif defined(__GNUC__)
		# if (__GNUC__ > 4) \|\| ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 9))
		# if defined(_FORTIFY_SOURCE) && (_FORTIFY_SOURCE > 0)
		# define _noopt __attribute__((optimize("no-var-tracking-assignments")))
		# else
		# define _noopt __attribute__((optimize("O0","no-var-tracking-assignments")))
		# endif
		# else
		# if defined(_FORTIFY_SOURCE) && (_FORTIFY_SOURCE > 0)
		# define _noopt
		# else
		# define _noopt __attribute__((optimize("O0")))
		# endif
		# endif
		#else
		# define _noopt
		#endif