Commit 0c49aa06 authored by Jason Ekstrand's avatar Jason Ekstrand

util: Add a NORETURN macro

Reviewed-by: default avatarTapani Pälli <tapani.palli@intel.com>
Reviewed-by: default avatarIan Romanick <idr@freedesktop.org>
parent 591a0763
......@@ -250,6 +250,7 @@ AX_GCC_FUNC_ATTRIBUTE([visibility])
AX_GCC_FUNC_ATTRIBUTE([warn_unused_result])
AX_GCC_FUNC_ATTRIBUTE([weak])
AX_GCC_FUNC_ATTRIBUTE([alias])
AX_GCC_FUNC_ATTRIBUTE([noreturn])
AM_CONDITIONAL([GEN_ASM_OFFSETS], test "x$GEN_ASM_OFFSETS" = xyes)
......
......@@ -479,6 +479,10 @@ if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("
name : '__attribute__((alias(...)))')
pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
endif
if cc.compiles('int foo(void) __attribute__((__noreturn__));',
name : '__attribute__((__noreturn__))')
pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
endif
# TODO: this is very incomplete
if ['linux', 'cygwin'].contains(host_machine.system())
......
......@@ -171,6 +171,12 @@ do { \
#define ATTRIBUTE_RETURNS_NONNULL
#endif
#ifdef HAVE_FUNC_ATTRIBUTE_NORETURN
#define NORETURN __attribute__((__noreturn__))
#else
#define NORETURN
#endif
#ifdef __cplusplus
/**
* Macro function that evaluates to true if T is a trivially
......
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