package/utils/util-linux/patches/070-meson-fix-isnan-check.patch

   1 From 777652585924034deeba98ae3192f26bc32bb661 Mon Sep 17 00:00:00 2001
   2 From: Rosen Penev <rosenp@gmail.com>
   3 Date: Fri, 29 Apr 2022 18:19:53 -0700
   4 Subject: [PATCH 6/7] meson: fix isnan check
   5
   6 musl only has isnan as a macro, not as a function. Handle the former
   7 case.
   8
   9 Signed-off-by: Rosen Penev <rosenp@gmail.com>
  10 ---
  11  meson.build | 2 +-
  12  1 file changed, 1 insertion(+), 1 deletion(-)
  13
  14 --- a/meson.build
  15 +++ b/meson.build
  16 @@ -622,7 +622,7 @@ rtas_libs = cc.find_library('rtas', requ
  17  conf.set('HAVE_LIBRTAS', rtas_libs.found() ? 1 : false)
  18
  19  math_libs = []
  20 -if not cc.has_function('isnan')
  21 +if not cc.has_header_symbol('math.h', 'isnan')
  22    lib = cc.find_library('m', required : true)
  23    if (cc.has_function('isnan', dependencies : lib) and
  24        cc.has_function('__isnan', dependencies : lib))