[oe-commits] Xiaofeng Yan : ncurses: Avoid occasional builling failure when having parallel processable task

[git at git.openembedded.org]

Module: openembedded-core.git
Branch: denzil
Commit: 6993570787a97fbca5ea81513b0120c6d7563484
URL:    http://git.openembedded.org/?p=openembedded-core.git&a=commit;h=6993570787a97fbca5ea81513b0120c6d7563484

Author: Xiaofeng Yan <xiaofeng.yan at windriver.com>
Date:   Mon May 21 14:59:22 2012 +0800

ncurses: Avoid occasional builling failure when having parallel processable task

ncurses failure non-gplv3 build (race issue) like the following \
error information:

| tic: error while loading shared libraries: /srv/home/pokybuild \
/yocto-autobuilder/yocto-slave/nightly-non-gpl3/build/build/tmp/\
work/x86_64-linux/ncurses-native-5.9-r8.1/ncurses-5.9/narrowc/lib\
/libtinfo.so.5: file too short
| ? tic could not build /srv/home/pokybuild/yocto-autobuilder/\
yocto-slave/nightly-non-gpl3/build/build/tmp/work/x86_64-linux/\
ncurses-native-5.9-r8.1/image/srv/home/pokybuild/yocto-autobuilder\
/yocto-slave/nightly-non-gpl3/build/build/tmp/sysroots/x86_64-linux\
/usr/share/terminfo
| make[1]: *** [install.data] Error 1

This is a race issue which is caused by
install.libs and install.data:

1) install.data needs run tic
2) tic needs libtinfo.so
3) install.libs would regenerate libtinfo.so
4) but install.data doesn't depend on install.libs, and they can run
   parallelly

So there would be errors in a very critical condition: tic is begining
to run at the same time when install.libs is generating libtinfo.so, and
this libtinfo.so is not integrity, then there would be the  above error.

Let task install.libs run before install.data for fixing this bug.

[YOCTO #2298]

Signed-off-by: Xiaofeng Yan <xiaofeng.yan at windriver.com>

---

 meta/recipes-core/ncurses/ncurses.inc |   23 ++++++++++++++++++-----
 1 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/meta/recipes-core/ncurses/ncurses.inc b/meta/recipes-core/ncurses/ncurses.inc
index ae99e2c..b031119 100644
--- a/meta/recipes-core/ncurses/ncurses.inc
+++ b/meta/recipes-core/ncurses/ncurses.inc
@@ -6,7 +6,7 @@ LIC_FILES_CHKSUM = "file://ncurses/base/version.c;beginline=1;endline=27;md5=cbc
 SECTION = "libs"
 DEPENDS = "ncurses-native"
 DEPENDS_virtclass-native = ""
-INC_PR = "r8"
+INC_PR = "r9"
 
 inherit autotools binconfig multilib_header
 
@@ -107,10 +107,15 @@ do_test() {
         diff curses-narrowc.h curses-widec.h
 }
 
+# Split original _install_opts to two parts.
+# One is the options to install contents, the other is the parameters \
+# when running command "make install"
 _install_opts = "\
+  install.libs install.includes install.man \
+"
+_install_cfgs = "\
   DESTDIR='${D}' \
   PKG_CONFIG_LIBDIR='${libdir}/pkgconfig' \
-  install.libs install.includes install.man \
 "
 
 python do_install () {
@@ -122,11 +127,19 @@ shell_do_install() {
         # Order of installation is important; widec installs a 'curses.h'
         # header with more definitions and must be installed last hence.
         # Compatibility of these headers will be checked in 'do_test()'.
-        oe_runmake -C narrowc ${_install_opts} \
-                install.data install.progs
+        oe_runmake -C narrowc ${_install_cfgs} ${_install_opts} \
+                install.progs
+
+        # The install.data should run after install.libs, otherwise
+        # there would be a race issue in a very critical conditon, since
+        # tic will be run by install.data, and tic needs libtinfo.so
+        # which would be regenerated by install.libs.
+        oe_runmake -C narrowc ${_install_cfgs} \
+                install.data
+
 
         ! ${ENABLE_WIDEC} || \
-            oe_runmake -C widec ${_install_opts}
+            oe_runmake -C widec ${_install_cfgs} ${_install_opts}
 
         cd narrowc