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meson.build: Support ncurses on MacOS

Message ID 20210612085101.61304-1-sw@weilnetz.de
State New
Headers show
Series meson.build: Support ncurses on MacOS | expand

Commit Message

Stefan Weil June 12, 2021, 8:51 a.m. UTC 
MacOS provides header files for curses 5.7 with support
for wide characters, but requires _XOPEN_SOURCE_EXTENDED=1
to activate that.

By default those old header files are used even if there
is a newer Homebrew installation of ncurses 6.2 available.

Change also the old macro definition of NCURSES_WIDECHAR
and set it to 1 like it is done in newer versions of
curses.h when _XOPEN_SOURCE_EXTENDED=1 is defined.

Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
---
 meson.build | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
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Patch

diff --git a/meson.build b/meson.build
index d2a9ce91f5..3ca8faa264 100644
--- a/meson.build
+++ b/meson.build
@@ -606,7 +606,11 @@  if have_system and not get_option('curses').disabled()
     endif
   endforeach
   msg = get_option('curses').enabled() ? 'curses library not found' : ''
-  curses_compile_args = ['-DNCURSES_WIDECHAR']
+  if host_machine.system() == 'darwin'
+    curses_compile_args = [ '-D_XOPEN_SOURCE_EXTENDED=1']
+  else
+    curses_compile_args = ['-DNCURSES_WIDECHAR=1']
+  endif
   if curses.found()
     if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
       curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])