mc: fix build if ncurses have been configured without wide characters

Some distros like poky-tiny set ENABLE_WIDEC=false, which disables wide
character support for ncurses. The new patch fixes the build of mc for
this case.

Since 9000f8033662, NCURSES_WIDECHAR is set explicitly to 1 for musl.
This doesn't work for ENABLE_WIDEC==false. In this case,
NCURSES_WIDECHAR must be set explicitly to 0, as curses.h does not
record whether the ncurses library has actually been built with or
without wide characters.

Fixes: 9000f8033662 ("mc: upgrade 4.8.25 -> 4.8.26")
(From OE-Core rev: 1d9dbc540a23a77f6ddfbdf34a81a639f2ff82f5)

Signed-off-by: Christian Eggers <ceggers@arri.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/meta/recipes-extended/mc/mc_4.8.26.bb b/meta/recipes-extended/mc/mc_4.8.26.bb
index 6bc7e6e8e1..906778400e 100644
--- a/meta/recipes-extended/mc/mc_4.8.26.bb
+++ b/meta/recipes-extended/mc/mc_4.8.26.bb
@@ -12,6 +12,7 @@ SRC_URI = "http://www.midnight-commander.org/downloads/${BPN}-${PV}.tar.bz2 \
            file://0001-mc-replace-perl-w-with-use-warnings.patch \
            file://nomandate.patch \
            file://CVE-2021-36370.patch \
+           file://0001-Ticket-4200-fix-FTBFS-with-ncurses-build-with-disabl.patch \
            "
 SRC_URI[sha256sum] = "9d6358d0a351a455a1410aab57f33b6b48b0fcf31344b9a10b0ff497595979d1"
 
@@ -24,7 +25,9 @@ PACKAGECONFIG ??= ""
 PACKAGECONFIG[smb] = "--enable-vfs-smb,--disable-vfs-smb,samba,"
 PACKAGECONFIG[sftp] = "--enable-vfs-sftp,--disable-vfs-sftp,libssh2,"
 
-CFLAGS_append_libc-musl = ' -DNCURSES_WIDECHAR=1 '
+# enable NCURSES_WIDECHAR=1 only if ENABLE_WIDEC has not been explicitly disabled (e.g. by the distro config).
+# When compiling against the ncurses library, NCURSES_WIDECHAR needs to explicitly set to 0 in this case.
+CFLAGS_append_libc-musl = "${@' -DNCURSES_WIDECHAR=1' if bb.utils.to_boolean((d.getVar('ENABLE_WIDEC') or 'True')) else ' -DNCURSES_WIDECHAR=0'}"
 EXTRA_OECONF = "--with-screen=ncurses --without-gpm-mouse --without-x --disable-configure-args"
 
 CACHED_CONFIGUREVARS += "ac_cv_path_PERL='/usr/bin/env perl'"