From 354abbb54d0c4f42fa05afb85424955ffd3f4214 Mon Sep 17 00:00:00 2001
From: Renato Golin <renato.golin@linaro.org>
Date: Fri, 1 Aug 2014 11:44:04 +0100
Subject: LLVM changes

Allows creation of clang/clang++ configs, so they can be used anywhere.
Adding -mfpu specific style for clang variant
Calls clang/gcc for version (as base_cc_name)
---
 spec2xxx-prepare | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/spec2xxx-prepare b/spec2xxx-prepare
index 58a86aa..b7cbd36 100755
--- a/spec2xxx-prepare
+++ b/spec2xxx-prepare
@@ -23,7 +23,13 @@ spec=$(cd $spec; pwd)
 
 $local || sshfs $target:$spec $spec
 
-for cc in gcc g++ gfortran; do
+for cc in gcc g++ gfortran clang clang++; do
+    base_cc_name=gcc
+    base_cxx_name=g++
+    if [ "`echo $cc | grep clang`" != "" ]; then
+      base_cc_name=clang
+      base_cxx_name=clang++
+    fi
     cat > $spec/bin/ssh-$config-$cc <<EOF
 #!/bin/sh
 
@@ -44,8 +50,8 @@ hw_fpu="$(cat $cpuinfo | grep Features | head -n 1 | sed -e 's/.*: //')"
 
 sw_os="$(ssh $target uname -r | head -n 1)"
 
-sw_compiler="$(${cc_prefix}gcc -v 2>&1 | tail -n 1)"
-sw_compiler="$sw_compiler $(${cc_prefix}gcc -v 2>&1 | grep 'Configured with' | head -n 1)"
+sw_compiler="$(${cc_prefix}$base_cc_name -v 2>&1 | tail -n 1)"
+sw_compiler="$sw_compiler $(${cc_prefix}$base_cc_name -v 2>&1 | grep 'Configured with' | head -n 1)"
 
 case "$hw_cpu" in
     *"v7l"*) mcpu="-mcpu=cortex-a15" ;;
@@ -54,7 +60,13 @@ case "$hw_cpu" in
 esac
 
 case "$hw_fpu" in
-    *"neon"*"vfpv4"*) mfpu="-mfpu=neon-vfpv4" ;;
+    *"neon"*"vfpv4"*)
+      if [ "`echo $cc | sed 's/+//g'`" = "clang" ]; then
+        mfpu="-mfpu=neon"
+      else
+        mfpu="-mfpu=neon-vfpv4"
+      fi
+      ;;
     *) mfpu="" ;;
 esac
 
@@ -99,8 +111,8 @@ cat $cfg_tmpl | sed \
     -e "s#@ITERATIONS@#5#g" \
     -e "s#@ITERATIONS_2@#7#g" \
     -e "s#@ITERATIONS_4@#9#g" \
-    -e "s#@CC@#ssh-$config-gcc#g" \
-    -e "s#@CXX@#ssh-$config-g++#g" \
+    -e "s#@CC@#ssh-$config-$base_cc_name#g" \
+    -e "s#@CXX@#ssh-$config-$base_cxx_name#g" \
     -e "s#@FORTRAN@#ssh-$config-gfortran#g" \
     -e "s#@OPTIMIZE@#$optimize#g" \
     -e "s#@MCPU@#$mcpu#g" \
-- 
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