On Thu, 2011-11-24 at 23:37 +0800, Cui, Dexuan wrote:
> Richard Purdie wrote on 2011-11-24:
> > On Thu, 2011-11-24 at 18:08 +0800, Dexuan Cui wrote:
> >> --- a/meta/recipes-devtools/gcc/gcc-package-target.inc
> >> +++ b/meta/recipes-devtools/gcc/gcc-package-target.inc
> >> @@ -122,6 +122,8 @@ do_install () {
> >> ln -sf ${TARGET_PREFIX}g++ g++
> >> ln -sf ${TARGET_PREFIX}gcc gcc
> >> ln -sf ${TARGET_PREFIX}cpp cpp
> >> + install -d ${D}${base_libdir}
> >> + ln -sf ${bindir}/${TARGET_PREFIX}cpp ${D}${base_libdir}/cpp
> >> ln -sf g++ c++
> >> ln -sf gcc cc
> >
> > Why do we need this change?
> When I was trying self-hosted-image, eglibc's do_install failed in the target:
> ERROR: cannot stat bootparam_prot.h: the cause is: rpcgen doesn't work
> properly: rpcgen can't exec /lib/cpp since it doesn't exist.
>
> According to http://tldp.org/LDP/Linux-Filesystem-Hierarchy/html/lib.html,
> "if a C preprocessor is installed, /lib/cpp must be a reference to it, for
> historical reasons. The usual placement of this binary is /usr/bin/cpp".
>
> Typical distros, like Ubuntu, openSuSE, Fedora, RHEL, all comply with the
> rule.
>
> Actually in meta/recipes-devtools/gcc/gcc-package-target.inc, we do try to
> package ${base_libdir}/cpp:
> FILES_cpp = "\
> ${bindir}/${TARGET_PREFIX}cpp \
> ${base_libdir}/cpp \
> ${libexecdir}/gcc/${TARGET_SYS}/${BINV}/cc1"
> But unluckily we didn't to create a symbol link in do_install. This patch
> adds the symbol link.
Ok, this sounds great. Put this in the commit message though please!
Cheers,
Richard
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