[PATCH 1 of 2] libc: add disable-versioning and enable-oldest-abi to (e)glibc

[Bryan Hundven <bryanhundven at gmail dot com>]

# HG changeset patch
# User Bryan Hundven <bryanhundven@gmail.com>
# Date 1289413962 28800
# Node ID 9c71049a2a36a3d4bbc30d3032175be618b312b5
# Parent  42cc9bd0db7ea6d690efab40742881414f7c1277
libc: add disable-versioning and enable-oldest-abi to (e)glibc

diff -r 42cc9bd0db7e -r 9c71049a2a36 config/libc/glibc-eglibc.in-common
--- a/config/libc/glibc-eglibc.in-common	Tue Nov 09 10:44:29 2010 +0100
+++ b/config/libc/glibc-eglibc.in-common	Wed Nov 10 10:32:42 2010 -0800
@@ -58,6 +58,23 @@
       Seldom used, except for sparc64 which seems to need the flag -64
       to be passed onto gcc.
 
+config LIBC_DISABLE_VERSIONING
+    bool
+    prompt "Disable versioning information in library objects"
+    default n
+    help
+      Do not include versioning information in the library objects.
+
+config LIBC_OLDEST_ABI
+    string
+    prompt "Configure the oldest ABI supported [e.g. 2.2]"
+    default ""
+    help
+      Setting this option, for example, to 2.2 will provide ABI support
+      back to (e)glibc-2.2.
+
+      If this option is not set, (e)glibc will choose for you.
+
 config LIBC_GLIBC_USE_PORTS
     bool
     prompt "Use the ports addon"
diff -r 42cc9bd0db7e -r 9c71049a2a36 scripts/build/libc/eglibc.sh
--- a/scripts/build/libc/eglibc.sh	Tue Nov 09 10:44:29 2010 +0100
+++ b/scripts/build/libc/eglibc.sh	Wed Nov 10 10:32:42 2010 -0800
@@ -292,6 +292,14 @@
         ,y) extra_config+=("--without-fp");;
     esac
 
+    if [ "${CT_LIBC_DISABLE_VERSIONING}" = "y" ]; then
+        extra_config+=("--disable-versioning")
+    fi
+
+    if [ "${CT_LIBC_OLDEST_ABI}" != "" ]; then
+        extra_config+=("--enable-oldest-abi=${CT_LIBC_OLDEST_ABI}")
+    fi
+
     case "$(do_libc_add_ons_list ,)" in
         "") ;;
         *)  extra_config+=("--enable-add-ons=$(do_libc_add_ons_list ,)");;
diff -r 42cc9bd0db7e -r 9c71049a2a36 scripts/build/libc/glibc.sh
--- a/scripts/build/libc/glibc.sh	Tue Nov 09 10:44:29 2010 +0100
+++ b/scripts/build/libc/glibc.sh	Wed Nov 10 10:32:42 2010 -0800
@@ -369,6 +369,14 @@
         ,y) extra_config+=("--without-fp");;
     esac
 
+    if [ "${CT_LIBC_DISABLE_VERSIONING}" = "y" ]; then
+        extra_config+=("--disable-versioning")
+    fi
+
+    if [ "${CT_LIBC_OLDEST_ABI}" != "" ]; then
+        extra_config+=("--enable-oldest-abi=${CT_LIBC_OLDEST_ABI}")
+    fi
+
     case "$(do_libc_add_ons_list ,)" in
         "") ;;
         *)  extra_config+=("--enable-add-ons=$(do_libc_add_ons_list ,)");;

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