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From: Adhemerval Zanella <azanella@sourceware.org>
To: glibc-cvs@sourceware.org
Subject: [glibc/azanella/clang] math: Suppress clang -Wincompatible-library-redeclaration on s_llround
Date: Tue,  4 Oct 2022 12:58:45 +0000 (GMT)	[thread overview]
Message-ID: <20221004125845.A164F3857C71@sourceware.org> (raw)

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b4ea0d9899c0acd31769239cb2673a9e29bbf24a

commit b4ea0d9899c0acd31769239cb2673a9e29bbf24a
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Wed Aug 24 12:41:39 2022 -0300

    math: Suppress clang -Wincompatible-library-redeclaration on s_llround
    
    Clang issues:
    
      ../sysdeps/ieee754/dbl-64/s_llround.c:83:30: error: incompatible
      redeclaration of library function 'lround'
      [-Werror,-Wincompatible-library-redeclaration]
      libm_alias_double (__lround, lround)
                                   ^
      ../sysdeps/ieee754/dbl-64/s_llround.c:83:30: note: 'lround' is a builtin
      with type 'long (double)'

Diff:
---
 sysdeps/ieee754/dbl-64/Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sysdeps/ieee754/dbl-64/Makefile b/sysdeps/ieee754/dbl-64/Makefile
index 78530b5966..9f1226326c 100644
--- a/sysdeps/ieee754/dbl-64/Makefile
+++ b/sysdeps/ieee754/dbl-64/Makefile
@@ -2,4 +2,7 @@ ifeq ($(subdir),math)
 # branred depends on precise IEEE double rounding
 CFLAGS-branred.c += $(config-cflags-nofma)
 CFLAGS-e_sqrt.c += $(config-cflags-nofma)
+
+# The symbols alias to lround
+CFLAGS-s_llround.c += -fno-builtin-lround
 endif

             reply	other threads:[~2022-10-04 12:58 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-04 12:58 Adhemerval Zanella [this message]
2022-10-28 17:40 Adhemerval Zanella
2023-02-09 19:47 Adhemerval Zanella
2023-08-30 12:35 Adhemerval Zanella
2023-09-28 17:51 Adhemerval Zanella
2023-12-21 18:52 Adhemerval Zanella
2024-01-29 17:56 Adhemerval Zanella
2024-02-07 14:06 Adhemerval Zanella
2024-02-09 17:30 Adhemerval Zanella

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