linux-kernel - [PATCH 1/2] menuconfig: use config scripts to detect ncurses libs

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Date:	Fri,  1 Mar 2013 16:50:43 +0100
From:	jlec@...too.org
To:	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Justin Lecher <jlec@...too.org>
Subject: [PATCH 1/2] menuconfig: use config scripts to detect ncurses libs

From: Justin Lecher <jlec@...too.org>

When building ncurses with --with-termlib several symbols get moved from
libncurses.so to libtinfo.so. Thus when linking with libncurses.so, one
additionally needs to link with libtinfo.so. Ncurses provides a config script
(ncurses5-config) or in very recent version even a pkg-config module to assist
finding ncurses.

The old heuristic for detection of ncurses libs will be extended to the
pkg-config and the config scripts.

Signed-off-by: Justin Lecher <jlec@...too.org>
---
 scripts/kconfig/lxdialog/check-lxdialog.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scripts/kconfig/lxdialog/check-lxdialog.sh b/scripts/kconfig/lxdialog/check-lxdialog.sh
index 8078813..8086874 100644
--- a/scripts/kconfig/lxdialog/check-lxdialog.sh
+++ b/scripts/kconfig/lxdialog/check-lxdialog.sh
@@ -4,6 +4,12 @@
 # What library to link
 ldflags()
 {
+	pkg-config --libs ncursesw 2>/dev/null && exit
+	pkg-config --libs ncurses 2>/dev/null && exit
+	ncursesw5-config --libs 2>/dev/null && exit
+	ncurses5-config --libs 2>/dev/null && exit
+	ncursesw6-config --libs 2>/dev/null && exit
+	ncurses6-config --libs 2>/dev/null && exit
 	for ext in so a dll.a dylib ; do
 		for lib in ncursesw ncurses curses ; do
 			$cc -print-file-name=lib${lib}.${ext} | grep -q /
-- 
1.8.1.4

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