configure: quote some uses of source_path

doesn't completely fix configure/build in directories with spaces, but
it's good practice

Change-Id: Ic7a5b3a0aa9e297b34061af07e099de8b1f003cd

build/make/configure.sh

@@ -864,7 +864,7 @@ EOF
             CC=armcc
             AR=armar
             AS=armasm
-            LD=${source_path}/build/make/armlink_adapter.sh
+            LD="${source_path}/build/make/armlink_adapter.sh"
             STRIP=arm-none-linux-gnueabi-strip
             NM=arm-none-linux-gnueabi-nm
             tune_cflags="--cpu="
@@ -1339,10 +1339,10 @@ process() {
     if enabled source_path_used; then
     # Prepare the PWD for building.
     for f in ${OOT_INSTALLS}; do
-            install -D ${source_path}/$f $f
+            install -D "${source_path}/$f" "$f"
     done
     fi
-    cp ${source_path}/build/make/Makefile .
+    cp "${source_path}/build/make/Makefile" .
 
     clean_temp_files
     true

build/make/version.sh

@@ -24,9 +24,9 @@ out_file=${2}
 id=${3:-VERSION_STRING}
 
 git_version_id=""
-if [ -d ${source_path}/.git ]; then
+if [ -d "${source_path}/.git" ]; then
     # Source Path is a git working copy. Check for local modifications.
-    export GIT_DIR=${source_path}/.git
+    export GIT_DIR="${source_path}/.git"
     git_version_id=`git describe --match=v[0-9]* 2>/dev/null`
 fi
 

configure

@@ -158,7 +158,7 @@ all_targets="libs examples docs"
 
 # all targets available are enabled, by default.
 for t in ${all_targets}; do
-    [ -f ${source_path}/${t}.mk ] && enable_feature ${t}
+    [ -f "${source_path}/${t}.mk" ] && enable_feature ${t}
 done
 
 if ! perl --version >/dev/null; then
@@ -166,9 +166,9 @@ if ! perl --version >/dev/null; then
 fi
 
 
-if [ "`cd ${source_path} && pwd`" != "`pwd`" ]; then
+if [ "`cd \"${source_path}\" && pwd`" != "`pwd`" ]; then
   # test to see if source_path already configured
-  if [ -f ${source_path}/vpx_config.h ]; then
+  if [ -f "${source_path}/vpx_config.h" ]; then
     die "source directory already configured; run 'make distclean' there first"
   fi
 fi
@@ -201,27 +201,27 @@ enable_feature multithread
 enable_feature os_support
 enable_feature temporal_denoising
 
-[ -d ${source_path}/../include ] && enable_feature alt_tree_layout
+[ -d "${source_path}/../include" ] && enable_feature alt_tree_layout
 for d in vp8 vp9; do
-    [ -d ${source_path}/${d} ] && disable_feature alt_tree_layout;
+    [ -d "${source_path}/${d}" ] && disable_feature alt_tree_layout;
 done
 
 if ! enabled alt_tree_layout; then
 # development environment
-[ -d ${source_path}/vp8 ] && CODECS="${CODECS} vp8_encoder vp8_decoder"
-[ -d ${source_path}/vp9 ] && CODECS="${CODECS} vp9_encoder vp9_decoder"
+[ -d "${source_path}/vp8" ] && CODECS="${CODECS} vp8_encoder vp8_decoder"
+[ -d "${source_path}/vp9" ] && CODECS="${CODECS} vp9_encoder vp9_decoder"
 else
 # customer environment
-[ -f ${source_path}/../include/vpx/vp8cx.h ] && CODECS="${CODECS} vp8_encoder"
-[ -f ${source_path}/../include/vpx/vp8dx.h ] && CODECS="${CODECS} vp8_decoder"
-[ -f ${source_path}/../include/vpx/vp9cx.h ] && CODECS="${CODECS} vp9_encoder"
-[ -f ${source_path}/../include/vpx/vp9dx.h ] && CODECS="${CODECS} vp9_decoder"
-[ -f ${source_path}/../include/vpx/vp8cx.h ] || disable_feature vp8_encoder
-[ -f ${source_path}/../include/vpx/vp8dx.h ] || disable_feature vp8_decoder
-[ -f ${source_path}/../include/vpx/vp9cx.h ] || disable_feature vp9_encoder
-[ -f ${source_path}/../include/vpx/vp9dx.h ] || disable_feature vp9_decoder
+[ -f "${source_path}/../include/vpx/vp8cx.h" ] && CODECS="${CODECS} vp8_encoder"
+[ -f "${source_path}/../include/vpx/vp8dx.h" ] && CODECS="${CODECS} vp8_decoder"
+[ -f "${source_path}/../include/vpx/vp9cx.h" ] && CODECS="${CODECS} vp9_encoder"
+[ -f "${source_path}/../include/vpx/vp9dx.h" ] && CODECS="${CODECS} vp9_decoder"
+[ -f "${source_path}/../include/vpx/vp8cx.h" ] || disable_feature vp8_encoder
+[ -f "${source_path}/../include/vpx/vp8dx.h" ] || disable_feature vp8_decoder
+[ -f "${source_path}/../include/vpx/vp9cx.h" ] || disable_feature vp9_encoder
+[ -f "${source_path}/../include/vpx/vp9dx.h" ] || disable_feature vp9_decoder
 
-[ -f ${source_path}/../lib/*/*mt.lib ] && soft_enable static_msvcrt
+[ -f "${source_path}/../lib/*/*mt.lib" ] && soft_enable static_msvcrt
 fi
 
 CODECS="$(echo ${CODECS} | tr ' ' '\n')"
@@ -468,7 +468,7 @@ process_targets() {
           ;;
     esac
     if [ -f "${source_path}/build/make/version.sh" ]; then
-        local ver=`"$source_path/build/make/version.sh" --bare $source_path`
+        local ver=`"$source_path/build/make/version.sh" --bare "$source_path"`
         DIST_DIR="${DIST_DIR}-${ver}"
         VERSION_STRING=${ver}
         ver=${ver%%-*}