[glibc] Don't provide XXXf128_do_not_use aliases [BZ #31757]

[glibc] Don't provide XXXf128_do_not_use aliases [BZ #31757]

[H.J. Lu]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=43d41ae6d74441dd5d21045324ff7391e7b0f545

commit 43d41ae6d74441dd5d21045324ff7391e7b0f545
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon May 20 05:25:34 2024 -0700

    Don't provide XXXf128_do_not_use aliases [BZ #31757]
    
    Don't provide __nexttowardf128_do_not_use, nexttowardf128_do_not_use,
    finitef128_do_not_use, isinff128_do_not_use and isnanf128_do_not_use.
    This fixes BZ #31757.
    
    Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
    Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

Diff:
---
 sysdeps/ieee754/float128/s_isnanf128.c  | 2 ++
 sysdeps/ieee754/ldbl-128/s_finitel.c    | 2 ++
 sysdeps/ieee754/ldbl-128/s_isinfl.c     | 2 ++
 sysdeps/ieee754/ldbl-128/s_nextafterl.c | 4 ++++
 4 files changed, 10 insertions(+)

diff --git a/sysdeps/ieee754/float128/s_isnanf128.c b/sysdeps/ieee754/float128/s_isnanf128.c
index b73a4e80d7..291d4427f5 100644
--- a/sysdeps/ieee754/float128/s_isnanf128.c
+++ b/sysdeps/ieee754/float128/s_isnanf128.c
@@ -16,7 +16,9 @@ hidden_ver (__isnanf128_impl, __isnanf128)
 #else
 strong_alias (__isnanf128_impl, __isnanf128)
 #endif
+#ifndef isnanl
 _weak_alias (__isnanf128_impl, isnanl)
+#endif
 versioned_symbol (libc, __isnanf128_impl, __isnanf128, GLIBC_2_34);
 #if (SHLIB_COMPAT (libc, FLOAT128_VERSION_M, GLIBC_2_34))
 strong_alias (__isnanf128_impl, __isnanf128_alias)
diff --git a/sysdeps/ieee754/ldbl-128/s_finitel.c b/sysdeps/ieee754/ldbl-128/s_finitel.c
index bfdd88fbbb..f1fff0ced2 100644
--- a/sysdeps/ieee754/ldbl-128/s_finitel.c
+++ b/sysdeps/ieee754/ldbl-128/s_finitel.c
@@ -32,4 +32,6 @@ int __finitel(_Float128 x)
 				-0x7fff000000000000LL)>>63);
 }
 mathx_hidden_def (__finitel)
+#ifndef finitel
 weak_alias (__finitel, finitel)
+#endif
diff --git a/sysdeps/ieee754/ldbl-128/s_isinfl.c b/sysdeps/ieee754/ldbl-128/s_isinfl.c
index baa9a98e80..a0fa0ba659 100644
--- a/sysdeps/ieee754/ldbl-128/s_isinfl.c
+++ b/sysdeps/ieee754/ldbl-128/s_isinfl.c
@@ -24,4 +24,6 @@ __isinfl (_Float128 x)
 	return ~(lx >> 63) & (hx >> 62);
 }
 mathx_hidden_def (__isinfl)
+#ifndef isinfl
 weak_alias (__isinfl, isinfl)
+#endif
diff --git a/sysdeps/ieee754/ldbl-128/s_nextafterl.c b/sysdeps/ieee754/ldbl-128/s_nextafterl.c
index 90e71e3907..f3f3b138dd 100644
--- a/sysdeps/ieee754/ldbl-128/s_nextafterl.c
+++ b/sysdeps/ieee754/ldbl-128/s_nextafterl.c
@@ -83,5 +83,9 @@ _Float128 __nextafterl(_Float128 x, _Float128 y)
 	return x;
 }
 libm_alias_ldouble (__nextafter, nextafter)
+#ifndef __nexttowardl
 strong_alias (__nextafterl, __nexttowardl)
+#endif
+#ifndef nexttowardl
 weak_alias (__nextafterl, nexttowardl)
+#endif