This declaration in the file libpfm-4.8.0/lib/pfmlib_intel_rapl.c
149 /*
150 * number modifiers for RAPL
151 * define an empty modifier to avoid firing the
152 * sanity pfm_intel_x86_validate_table(). We are
153 * using this function to avoid duplicating code.
154 */
155 static const pfmlib_attr_desc_t rapl_mods[]=
*156 {};*
may be GNU-compatible, but it isn't standard C. By the description
6.7.6.2 Array declarators
Constraints
1 In addition to optional type qualifiers and the keyword static,
*the [ and ] may delimit**
**an expression or *. If they delimit an expression (which specifies
the size of an array), the**
**expression shall have an integer type.* If the expression is a
constant expression, it shall
have a value greater than zero. The element type shall not be an
incomplete or function
type. The optional type qualifiers and the keyword static shall
appear only in a
declaration of a function
there has to be a non-empty expression, and in the construction
6.7.9 Initialization
Syntax
1 initializer:
assignment-expression
{ initializer-list }
{ initializer-list , }
the initiializer-list can't resolve to an empty string.
With the PGI compiler, I can get the statement to compile by using
static const pfmlib_attr_desc_t rapl_mods[]=
{0,};
which qualifies as a non-empty list (and not merely a zero expression).
Can you add this (or equivalent) change to the code?
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