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Emply __used attribute to prevent compiler from removing unreferenced

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static symbols. This wasn't a problem with previous GCC releases, but
unit-at-a-time mode of GCC 3.4.2 prevents linker set components from
being emitted at all.
This commit is contained in:
kan 2004-07-28 07:07:16 +00:00
parent 88d0e4fb93
commit 4427f9af51
1 changed files with 1 additions and 1 deletions
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2
sys/sys/linker_set.h
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@ -42,7 +42,7 @@
#if defined(__GNUC__) || defined(__INTEL_COMPILER)
#define __MAKE_SET(set, sym) \
static void const * const __set_##set##_sym_##sym \
__section("set_" #set) __unused = &sym
__section("set_" #set) __used = &sym
#else /* !(__GNUC__ || __INTEL_COMPILER) */
#ifndef lint
#error "This file needs to be compiled by GCC, an Intel compiler or lint"