On 5/13/19 3:20 AM, Adrian Bunk wrote:
On Sun, May 12, 2019 at 04:16:28PM +0800, Hongxu Jia wrote:
..
--- /dev/null
+++ b/meta/recipes-extended/groff/files/0001-support-musl.patch
@@ -0,0 +1,46 @@
+From f73df5196c35ef9c4531e4b6b26800c41954fd77 Mon Sep 17 00:00:00 2001
+From: Hongxu Jia <[email protected]>
+Date: Sat, 11 May 2019 20:00:29 +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: Pending
+
+Signed-off-by: Hongxu Jia <[email protected]>
+---
+ lib/math.in.h | 2 ++
+ 1 file changed, 2 insertions(+)
...
The upstream fix seems to be different, the signbit.m4 part of
http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=commit;h=453ff940449bbbde9ec00f0bbf82a359c5598fc7
It's a long story, the git version groff is using submodule gnulib
rather than itself
http://git.savannah.gnu.org/cgit/groff.git/commit/?id=5fec19d453983bc3127052e4f100110efda93786
Your suggestion works in this situation.
But we do not use git groff, we are building from the source as in
distributed tarball files which
does not require gnulib any more, so your fix is not suitable for us
SRC_URI = "${GNU_MIRROR}/groff/groff-${PV}.tar.gz \
//Hongxu
cu
Adrian
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