From 66a2b086805dea2898191cca50b0ced33f7ad67a Mon Sep 17 00:00:00 2001
From: David Holsgrove <david.holsgrove@xilinx.com>
Date: Thu, 11 Oct 2012 14:39:45 +1000
Subject: libc/newlib: Add CUSTOM version and CUSTOM_LOCATION config options
 and GetCustom

CUSTOM_LOCATION config options only presented in menuconfig if component
CUSTOM version selected.

Signed-off-by: "David Holsgrove" <david.holsgrove@xilinx.com>
[yann.morin.1998@free.fr: fix indentation]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Message-Id: <d02252752d4dc5e68ae3.1349931202@localhost.localdomain>
PatchWork-Id: 190795

diff --git a/config/libc/newlib.in b/config/libc/newlib.in
index 35c3fcf..16ac247 100644
--- a/config/libc/newlib.in
+++ b/config/libc/newlib.in
@@ -52,8 +52,25 @@ config LIBC_NEWLIB_CVS
       
       In a word: use the CVS snapshot at your own risk! 
 
+config LIBC_NEWLIB_CUSTOM
+    bool
+    prompt "Custom newlib"
+    depends on EXPERIMENTAL
+
 endchoice
 
+if LIBC_NEWLIB_CUSTOM
+
+config LIBC_NEWLIB_CUSTOM_LOCATION
+    string
+    prompt "Full path to custom newlib source"
+    default ""
+    help
+      Enter the path to the directory (or tarball) of your source for newlib,
+      or leave blank to use default CT_CUSTOM_LOCATION_ROOT_DIR/newlib
+
+endif # LIBC_NEWLIB_CUSTOM
+
 config LIBC_VERSION
     string
     prompt "use CVS tag" if LIBC_NEWLIB_CVS
@@ -63,6 +80,7 @@ config LIBC_VERSION
     default "1.19.0" if LIBC_NEWLIB_V_1_19_0
     default "1.18.0" if LIBC_NEWLIB_V_1_18_0
     default "1.17.0" if LIBC_NEWLIB_V_1_17_0
+    default "custom" if LIBC_NEWLIB_CUSTOM
     help
       Enter the tag you want to use.
       Leave empty to use the 'head' of the repository.
diff --git a/scripts/build/libc/newlib.sh b/scripts/build/libc/newlib.sh
index 3907d7b..3e91631 100644
--- a/scripts/build/libc/newlib.sh
+++ b/scripts/build/libc/newlib.sh
@@ -20,7 +20,10 @@ do_libc_get() {
     libc_src="ftp://sources.redhat.com/pub/newlib"
     avr32headers_src="http://dev.doredevelopment.dk/avr32-toolchain/sources"
 
-    if [ -z "${CT_LIBC_NEWLIB_CVS}" ]; then
+    if [ "${CT_LIBC_NEWLIB_CUSTOM}" = "y" ]; then
+        CT_GetCustom "newlib" "${CT_LIBC_VERSION}"      \
+                     "${CT_LIBC_NEWLIB_CUSTOM_LOCATION}"
+    elif [ -z "${CT_LIBC_NEWLIB_CVS}" ]; then
         CT_GetFile "newlib-${CT_LIBC_VERSION}" ${libc_src}
     else
         CT_GetCVS "newlib-$(libc_newlib_version)"                   \
@@ -36,6 +39,12 @@ do_libc_get() {
 }
 
 do_libc_extract() {
+    # If using custom directory location, nothing to do
+    if [    "${CT_LIBC_NEWLIB_CUSTOM}" != "y"                \
+         -a -d "${CT_SRC_DIR}/newlib-$(libc_newlib_version)" ]; then
+        return 0
+    fi
+
     CT_Extract "newlib-$(libc_newlib_version)"
     CT_Patch "newlib" "$(libc_newlib_version)"
 
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