mirror of git://sourceware.org/git/glibc.git
1abdb38135
Work around the clang limitation wrt inline function and attribute
definition, where it does not allow to 'add' new attribute if a
function is already defined:
clang on x86_64 fails to build s_fabsf128.c with:
../sysdeps/ieee754/float128/../ldbl-128/s_fabsl.c:32:1: error: attribute declaration must precede definition [-Werror,-Wignored-attributes]
32 | libm_alias_ldouble (__fabs, fabs)
| ^
../sysdeps/generic/libm-alias-ldouble.h:63:38: note: expanded from macro 'libm_alias_ldouble'
63 | #define libm_alias_ldouble(from, to) libm_alias_ldouble_r (from, to, )
| ^
../sysdeps/ieee754/float128/float128_private.h:133:43: note: expanded from macro 'libm_alias_ldouble_r'
133 | #define libm_alias_ldouble_r(from, to, r) libm_alias_float128_r (from, to, r)
| ^
../sysdeps/ieee754/float128/s_fabsf128.c:5:3: note: expanded from macro 'libm_alias_float128_r'
5 | static_weak_alias (from ## f128 ## r, to ## f128 ## r); \
| ^
./../include/libc-symbols.h:166:46: note: expanded from macro 'static_weak_alias'
166 | # define static_weak_alias(name, aliasname) weak_alias (name, aliasname)
| ^
./../include/libc-symbols.h:154:38: note: expanded from macro 'weak_alias'
154 | # define weak_alias(name, aliasname) _weak_alias (name, aliasname)
| ^
./../include/libc-symbols.h:156:52: note: expanded from macro '_weak_alias'
156 | extern __typeof (name) aliasname __attribute__ ((weak, alias (#name))) \
| ^
../include/math.h:134:1: note: previous definition is here
134 | fabsf128 (_Float128 x)
If compiler does not support __USE_EXTERN_INLINES we need to route
fabsf128 call to an internal symbol.
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| bits | ||
| gnu | ||
| net | ||
| netinet | ||
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| rpc | ||
| rpcsvc | ||
| sys | ||
| aio.h | ||
| aliases.h | ||
| alloc_buffer.h | ||
| alloca.h | ||
| allocate_once.h | ||
| ar.h | ||
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| assert.h | ||
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| complex.h | ||
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| dlfcn.h | ||
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| errno.h | ||
| error.h | ||
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| fcntl.h | ||
| features-time64.h | ||
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| fenv.h | ||
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| filename.h | ||
| float.h | ||
| fmtmsg.h | ||
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| ifunc-impl-list.h | ||
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| inttypes.h | ||
| langinfo.h | ||
| lastlog.h | ||
| libc-diag.h | ||
| libc-internal.h | ||
| libc-misc.h | ||
| libc-pointer-arith.h | ||
| libc-symbols.h | ||
| libgen.h | ||
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| limits.h | ||
| link.h | ||
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| locale.h | ||
| loop_unroll.h | ||
| malloc.h | ||
| math-narrow-eval.h | ||
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