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From 695965c27be74acb5968f19d51af86065c4b71a9 Mon Sep 17 00:00:00 2001
From: Hongxu Jia <hongxu.jia@windriver.com>
Date: Mon, 13 May 2019 09:48:14 +0800
Subject: [PATCH] support musl
...
|./lib/math.h:2877:1: error: 'int signbit(float)' conflicts with a previous declaration
| _GL_MATH_CXX_REAL_FLOATING_DECL_2 (signbit)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|In file included from recipe-sysroot/usr/include/c++/8.3.0/math.h:36,
| from ./lib/math.h:27,
| from ./src/include/driver.h:27,
| from src/devices/grodvi/dvi.cpp:20:
|recipe-sysroot/usr/include/c++/8.3.0/cmath:661:3: note: previous declaration 'constexpr bool std::signbit(float)'
| signbit(float __x)
| ^~~~~~~
...
Upstream-Status: Backport [http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=commit;h=453ff940449bbbde9ec00f0bbf82a359c5598fc7]
Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
---
gnulib_m4/signbit.m4 | 2 ++
1 file changed, 2 insertions(+)
diff --git a/gnulib_m4/signbit.m4 b/gnulib_m4/signbit.m4
index 9e7884d..8b9c70c 100644
--- a/gnulib_m4/signbit.m4
+++ b/gnulib_m4/signbit.m4
@@ -31,6 +31,8 @@ AC_DEFUN([gl_SIGNBIT],
[case "$host_os" in
# Guess yes on glibc systems.
*-gnu* | gnu*) gl_cv_func_signbit="guessing yes" ;;
+ # Guess yes on musl systems.
+ *-musl*) gl_cv_func_signbit="guessing yes" ;;
# Guess yes on native Windows.
mingw*) gl_cv_func_signbit="guessing yes" ;;
# If we don't know, assume the worst.
--
2.7.4
|
