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Add DIAG_WARN() diagnostic macros 

This enable the warning at "warning" level (neither ignored nor
an error). This is used to selectively disable -Werror for a section
of code but keep the warning enabled as useful and relevant.

For example it can be used to defer replacing deprecated declarations
and still build with -Werror enabled globally.
This commit is contained in:
João Valverde 2022-10-04 16:22:24 +01:00
parent 1ef5af31ce
commit f6de88707c
1 changed files with 4 additions and 0 deletions
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4
include/ws_diag_control.h
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@ -46,6 +46,7 @@ extern "C" {
*/
#define DIAG_PRAGMA(x) DIAG_DO_PRAGMA(clang diagnostic x)
#define DIAG_OFF(x) DIAG_PRAGMA(push) DIAG_PRAGMA(ignored DIAG_JOINSTR(-W,x))
#define DIAG_WARN(x) DIAG_PRAGMA(push) DIAG_PRAGMA(warning DIAG_JOINSTR(-W,x))
#define DIAG_ON(x) DIAG_PRAGMA(pop)
#endif
@ -87,6 +88,7 @@ extern "C" {
*/
#define DIAG_PRAGMA(x) DIAG_DO_PRAGMA(GCC diagnostic x)
#define DIAG_OFF(x) DIAG_PRAGMA(push) DIAG_PRAGMA(ignored DIAG_JOINSTR(-W,x))
#define DIAG_WARN(x) DIAG_PRAGMA(push) DIAG_PRAGMA(warning DIAG_JOINSTR(-W,x))
#define DIAG_ON(x) DIAG_PRAGMA(pop)
/*
@ -119,6 +121,7 @@ extern "C" {
* warning flag for GCC and Clang and the error number for MSVC.
*/
#define DIAG_OFF(x)
#define DIAG_WARN(x)
#define DIAG_ON(x)
#define DIAG_OFF_PEDANTIC
#define DIAG_ON_PEDANTIC
@ -129,6 +132,7 @@ extern "C" {
/* Use for clang specific pragmas, so we can keep -Wpragmas enabled */
#ifdef __clang__
# define DIAG_OFF_CLANG(x) DIAG_OFF(x)
# define DIAG_WARN_CLANG(x) DIAG_WARN(x)
# define DIAG_ON_CLANG(x) DIAG_ON(x)
#else
# define DIAG_OFF_CLANG(x)