Fix gcc 5.x build failure
Extracted from upstream commit
http://ncurses.scripts.mit.edu/?p=ncurses.git;a=commit;h=97bb4678dc03e753290b39bbff30ba2825df9517.
+ modify MKlib_gen.sh to work around change in development version of
https://gcc.gnu.org/ml/gcc-patches/2014-06/msg02185.html
https://gcc.gnu.org/ml/gcc-patches/2014-07/msg00236.html
(reports by Marcus Shawcroft, Maohui Lei).
Original author: Thomas E. Dickey <dickey@invisible-island.net>
Signed-off-by: Mikhail Peselnik <bas@bmail.ru>
--- a/ncurses/base/MKlib_gen.sh.orig 2015-07-23 21:52:32.239481505 +0300
+++ b/ncurses/base/MKlib_gen.sh 2015-07-23 21:53:20.772966587 +0300
+s/P_NCURSES_BOOL/NCURSES_BOOL/g
+# A patch discussed here:
+# https://gcc.gnu.org/ml/gcc-patches/2014-06/msg02185.html
+# introduces spurious #line markers. Work around that by ignoring the system's
+# attempt to define "bool" and using our own symbol here.
+sed -e 's/bool/P_NCURSES_BOOL/g' $TMP > $ED2
$preprocessor $TMP 2>/dev/null \
- -e 's/_Bool/NCURSES_BOOL/g' \