define _noopt macro with -D_FORTIFY_SOURCE to be empty to avoid false positives (afd76931) · Commits · 郑智淋 / lammps

src/lmptype.h

+6 −3

Original line number	Diff line number	Diff line
		@@ -206,10 +206,13 @@ typedef int bigint;
		#define _noalias
		#endif

		// declaration to turn off optimization for specific functions
		// and avoid compiler warnings about variable tracking
		// Declaration to turn off optimization for specific noncritical
		// functions and avoid compiler warnings about variable tracking.
		// Disable for broken -D_FORTIFY_SOURCE feature.

		#if defined(__clang__)
		#if defined(_FORTIFY_SOURCE) && (_FORTIFY_SOURCE > 0)
		#define _noopt
		#elif defined(__clang__)
		# define _noopt __attribute__((optnone))
		#elif defined(__INTEL_COMPILER)
		# define _noopt