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ncurses: fix gcc 5 compile issue for real

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The previous patch didn't work in all cases. The new patch is taken from
upstream: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=commit;h=97bb4678dc03e753290b39bbff30ba2825df9517

Fetch from: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff;f=ncurses/base/MKlib_gen.sh;h=b91398c740a266f10edbbce19f19c52b9709556f;hp=d8cc3c9751faa157d0c8cb8e16fbe4217703966b;hb=97bb4678dc03e753290b39bbff30ba2825df9517;hpb=762520a7930d7f698d542628d3c04bc201f7dac2

[Thomas:
  - removed Signed-off-by in the Buildroot commit from the ncurses
    author: the ncurses author never submitted this patch to
    Buildroot.
  - fixed the Author of the Buildroot commit, it was still "kyak"
  - added a description + Signed-off-by in the patch itself.]

Signed-off-by: Mikhail Peselnik <bas@bmail.ru>
Acked-by: Jaap Crezee <jaap@jcz.nl>
Tested-by: Jaap Crezee <jaap@jcz.nl>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Mikhail Peselnik 2015-07-24 16:00:43 +03:00 committed by Thomas Petazzoni
parent 0ad6ee7f36
commit 7b432660c2
1 changed files with 38 additions and 28 deletions
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66
package/ncurses/0002-gcc-5.x-MKlib_gen.patch
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@ -1,33 +1,43 @@
Fix GCC 5.x preprocessor failure Fix gcc 5.x build failure
Building ncurses 5.9 with GCC 5.x fails with a syntax error, caused by Extracted from upstream commit
earlier preprocessing. This failure is more likely when building for http://ncurses.scripts.mit.edu/?p=ncurses.git;a=commit;h=97bb4678dc03e753290b39bbff30ba2825df9517.
host (e.g. host-ncurses) that recently updated to GCC 5.x.
This patch is taken from the following link (more information is also + modify MKlib_gen.sh to work around change in development version of
available here): gcc introduced here:
https://groups.google.com/forum/#!topic/sage-trac/U31shviuqzk 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).
Signed-off-by: Doug Kehn <rdkehn@yahoo.com> Original author: Thomas E. Dickey <dickey@invisible-island.net>
Signed-off-by: Mikhail Peselnik <bas@bmail.ru>
Index: b/ncurses/base/MKlib_gen.sh --- 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
--- a/ncurses/base/MKlib_gen.sh @@ -437,11 +437,22 @@
+++ b/ncurses/base/MKlib_gen.sh -e 's/gen_$//' \
@@ -62,7 +62,15 @@ if test "${LC_MESSAGES+set}" = set; then -e 's/ / /g' >>$TMP
if test "${LC_CTYPE+set}" = set; then LC_CTYPE=C; export LC_CTYPE; fi
if test "${LC_COLLATE+set}" = set; then LC_COLLATE=C; export LC_COLLATE; fi
-preprocessor="$1 -DNCURSES_INTERNALS -I../include"
+# Work around "unexpected" output of GCC 5.1.0's cpp w.r.t. #line directives
+# by simply suppressing them:
+case `$1 -dumpversion 2>/dev/null` in
+ 5.[01].*) # assume a "broken" one
+ preprocessor="$1 -P -DNCURSES_INTERNALS -I../include"
+ ;;
+ *)
+ preprocessor="$1 -DNCURSES_INTERNALS -I../include"
+esac
AWK="$2"
USE="$3"
+cat >$ED1 <<EOF
+s/ / /g
+s/^ //
+s/ $//
+s/P_NCURSES_BOOL/NCURSES_BOOL/g
+EOF
+
+# 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
+cat $ED2 >$TMP
+
$preprocessor $TMP 2>/dev/null \
-| sed \
- -e 's/ / /g' \
- -e 's/^ //' \
- -e 's/_Bool/NCURSES_BOOL/g' \
+| sed -f $ED1 \
| $AWK -f $AW2 \
| sed -f $ED3 \
| sed \