# HG changeset patch
# User "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
# Date 1246036162 -7200
# Node ID 4131f2e955aa99bfac97d2402f335f6a78308ba9
# Parent  8e87e701cf4c038dcc212ab8486837cffa23494a
Add support code for the canadian-cross case.

Add implementation for a candadian build option already
present in crosstool in order to build a cross-compiler
where build != host != target

Signed-off-by: Bart van der Meulen <bartvdrmeulen@gmail.com>

diff -r 8e87e701cf4c -r 4131f2e955aa config/toolchain.in
--- a/config/toolchain.in	Fri Jun 26 19:09:22 2009 +0200
+++ b/config/toolchain.in	Fri Jun 26 19:09:22 2009 +0200
@@ -123,7 +123,7 @@
 
 config CANADIAN
     bool
-    prompt "Canadian     (NO CODE!) (EXPERIMENTAL)"
+    prompt "Canadian     (EXPERIMENTAL)"
     depends on EXPERIMENTAL
     help
       Build a canadian-toolchain.
diff -r 8e87e701cf4c -r 4131f2e955aa scripts/build/cc/gcc.sh
--- a/scripts/build/cc/gcc.sh	Fri Jun 26 19:09:22 2009 +0200
+++ b/scripts/build/cc/gcc.sh	Fri Jun 26 19:09:22 2009 +0200
@@ -41,6 +41,10 @@
 #------------------------------------------------------------------------------
 # Core gcc pass 1
 do_cc_core_pass_1() {
+    # If we're building a canadian compiler no use to build the CC
+    # core compiler, we're not using it
+    [ -n "${CT_CANADIAN}" ] && return 0
+
     # If we're building for bare metal, build the static core gcc,
     # with libgcc.
     # In case we're not bare metal, and we're NPTL, build the static core gcc.
@@ -54,6 +58,10 @@
 
 # Core gcc pass 2
 do_cc_core_pass_2() {
+    # If we're building a canadian compiler no use to build the CC
+    # core compiler, we're not using it
+    [ -n "${CT_CANADIAN}" ] && return 0
+
     # In case we're building for bare metal, do nothing, we already have
     # our compiler.
     # In case we're NPTL, build the shared core gcc and the target libgcc.
diff -r 8e87e701cf4c -r 4131f2e955aa scripts/crosstool-NG.sh.in
--- a/scripts/crosstool-NG.sh.in	Fri Jun 26 19:09:22 2009 +0200
+++ b/scripts/crosstool-NG.sh.in	Fri Jun 26 19:09:22 2009 +0200
@@ -223,8 +223,10 @@
 CT_DoExecLog ALL mkdir -p "${CT_CONFIG_DIR}"
 CT_DoExecLog ALL mkdir -p "${CT_INSTALL_DIR}"
 CT_DoExecLog ALL mkdir -p "${CT_PREFIX_DIR}"
-CT_DoExecLog ALL mkdir -p "${CT_CC_CORE_STATIC_PREFIX_DIR}"
-CT_DoExecLog ALL mkdir -p "${CT_CC_CORE_SHARED_PREFIX_DIR}"
+if [ -z "${CT_CANADIAN}" ]; then
+    CT_DoExecLog ALL mkdir -p "${CT_CC_CORE_STATIC_PREFIX_DIR}"
+    CT_DoExecLog ALL mkdir -p "${CT_CC_CORE_SHARED_PREFIX_DIR}"
+fi
 
 # Only create the state dir if asked for a restartable build
 [ -n "${CT_DEBUG_CT_SAVE_STEPS}" ] && CT_DoExecLog ALL mkdir -p "${CT_STATE_DIR}"
@@ -319,10 +321,17 @@
 
     # Prepare mangling patterns to later modify BUILD and HOST (see below)
     case "${CT_TOOLCHAIN_TYPE}" in
+        canadian)
+            CT_REAL_TARGET="${CT_TARGET}"
+            build_mangle="build_"
+            host_mangle="host_"
+            install_build_tools_for="BUILD HOST TARGET"
+            ;;
         cross)
             CT_HOST="${CT_BUILD}"
             build_mangle="build_"
             host_mangle="build_"
+            install_build_tools_for="BUILD HOST"
             ;;
         *)  CT_Abort "No code for '${CT_TOOLCHAIN_TYPE}' toolchain type!"
             ;;
@@ -350,7 +359,7 @@
     # cross-tools for those mangled tuples.
     CT_DoLog DEBUG "Making build system tools available"
     CT_DoExecLog ALL mkdir -p "${CT_PREFIX_DIR}/buildtools"
-    for m in BUILD HOST; do
+    for m in ${install_build_tools_for}; do
         r="CT_REAL_${m}"
         v="CT_${m}"
         p="CT_${m}_PREFIX"
@@ -418,6 +427,7 @@
     # so don't add those PATHs in this case...
     case "${CT_TOOLCHAIN_TYPE}" in
         cross)  export PATH="${CT_PREFIX_DIR}/buildtools:${CT_PREFIX_DIR}/bin:${CT_CC_CORE_SHARED_PREFIX_DIR}/bin:${CT_CC_CORE_STATIC_PREFIX_DIR}/bin:${PATH}";;
+        canadian) export PATH="${CT_PREFIX_DIR}/buildtools:${PATH}";;
         *)  ;;
     esac