diff options
Diffstat (limited to 'sysdeps/unix/make-syscalls.sh')
| -rw-r--r-- | sysdeps/unix/make-syscalls.sh | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/sysdeps/unix/make-syscalls.sh b/sysdeps/unix/make-syscalls.sh index fbf96605e0..58d165e015 100644 --- a/sysdeps/unix/make-syscalls.sh +++ b/sysdeps/unix/make-syscalls.sh @@ -1,4 +1,4 @@ -#! /bin/sh +#!/bin/sh # Usage: make-syscalls.sh ../sysdeps/unix/common # Expects $sysdirs in environment. @@ -81,12 +81,9 @@ emit_weak_aliases() # We use the <shlib-compat.h> macros to generate the versioned aliases # so that the version sets can be mapped to the configuration's - # minimum version set as per shlib-versions DEFAULT lines. But note - # we don't generate any "#if SHLIB_COMPAT (...)" conditionals. To do - # that we'd need to change the syscalls.list format so that it can - # list the "obsoleted" version set too. If it ever arises that we - # have a syscall entry point that is obsoleted by a newer version set, - # we'll have to revamp all this. + # minimum version set as per shlib-versions DEFAULT lines. If an + # entry point is specified in the form NAME@VERSION:OBSOLETED, a + # SHLIB_COMPAT conditional is generated. if [ $any_versioned = t ]; then echo " echo '#include <shlib-compat.h>'; \\" fi @@ -113,7 +110,17 @@ emit_weak_aliases() *@*) base=`echo $name | sed 's/@.*//'` ver=`echo $name | sed 's/.*@//;s/\./_/g'` - echo " echo '#if defined SHARED && IS_IN (libc)'; \\" + case $ver in + *:*) + compat_ver=${ver#*:} + ver=${ver%%:*} + compat_cond=" && SHLIB_COMPAT (libc, $ver, $compat_ver)" + ;; + *) + compat_cond= + ;; + esac + echo " echo '#if defined SHARED && IS_IN (libc)$compat_cond'; \\" if test -z "$vcount" ; then source=$strong vcount=1 |