icecc-create-env: merge latest changes from icecc upstreamjoshuagl/icecc

Based on the updated script from Iyad Qumei[1] this change imports
the latest changes for the icecc-create-env script from the upstream
icecc git repository.

1. http://patchwork.openembedded.org/patch/62997/

Signed-off-by: Joshua Lock <joshua.lock@collabora.co.uk>

1 files changed, 298 insertions, 52 deletions

diff --git a/meta/recipes-devtools/icecc-create-env/icecc-create-env/icecc-create-env b/meta/recipes-devtools/icecc-create-env/icecc-create-env/icecc-create-env
index 7e4dbc4..bababfa 100755..100644
--- a/meta/recipes-devtools/icecc-create-env/icecc-create-env/icecc-create-env
+++ b/meta/recipes-devtools/icecc-create-env/icecc-create-env/icecc-create-env
@@ -6,6 +6,18 @@
 
 target_files=
 
+is_darwin=0
+if test `uname` = Darwin; then
+  is_darwin=1
+fi
+
+usage ()
+{
+    echo "usage: $0 --gcc <gcc_path> <g++_path>"
+    echo "usage: $0 --clang <clang_path>"
+    echo "usage: Use --addfile <file> to add extra files."
+}
+
 is_contained ()
 {
   case " $target_files " in
@@ -27,9 +39,12 @@ add_file ()
   # readlink is not portable enough.
   path=`ls -H $path`
   toadd="$name=$path"
+  if test "$name" = "$path"; then
+    toadd=$path
+  fi
   is_contained "$toadd" && return
   if test -z "$silent"; then
-  echo "adding file $toadd"
+    echo "adding file $toadd"
   fi
   target_files="$target_files $toadd"
   if test -x "$path"; then
@@ -43,86 +58,305 @@ add_file ()
 		#         libc.so.6 => /lib/tls/libc.so.6 (0xb7e81000)
 		#         /lib/ld-linux.so.2 (0xb7fe8000)
 		# covering both situations ( with => and without )
-          for lib in `ldd "$path" | sed -n 's,^[^/]*\(/[^ ]*\).*,\1,p'`; do
+           for lib in `ldd "$path" | sed -n 's,^[^/]*\(/[^ ]*\).*,\1,p'`; do
+	      test -f "$lib" || continue
+	      # Check wether the same library also exists in the parent directory,
+	      # and prefer that on the assumption that it is a more generic one.
+	      local baselib=`echo "$lib" | sed 's,\(/[^/]*\)/.*\(/[^/]*\)$,\1\2,'`
+	      test -f "$baselib" && lib=$baselib
+              add_file "$lib"
+           done
+        fi
+    elif test "$is_darwin" = 1; then
+          # this regexp parse the outputs like:
+          # $ otool -L /usr/llvm-gcc-4.2/libexec/gcc/i686-apple-darwin11/4.2.1/cc1
+          #         @executable_path/libllvmgcc.dylib
+          #         /usr/lib/libiconv.2.dylib
+          #         /usr/lib/libSystem.B.dylib
+          #         /usr/lib/libstdc++.6.dylib
+          for lib in `otool -L "$path" | sed -n 's,^[^/@]*\([/@][^ ]*\).*,\1,p'`; do
+            local libinstall=""
+            if test "${lib%%/*}" = "@executable_path"; then
+              # Installs libs like @executable_path/libllvmgcc.dylib
+              # that contains @executable_path in its path in `dirname ${name}`
+              # (the same install path of the executable program)
+              libinstall="${name%/*}${lib#@executable_path}"
+              lib="${path%/*}${lib#@executable_path}"
+            fi
 	    test -f "$lib" || continue
 	    # Check wether the same library also exists in the parent directory,
 	    # and prefer that on the assumption that it is a more generic one.
 	    local baselib=`echo "$lib" | sed 's,\(/[^/]*\)/.*\(/[^/]*\)$,\1\2,'`
 	    test -f "$baselib" && lib=$baselib
-	  add_file "$lib"
-        done
-      fi
+            add_file "$lib" "$libinstall"
+         done
     fi
   fi
 }
 
+# returns abs path to filedir
+abs_path()
+{
+    local path=$1
+    if test -f "$path"; then
+        pushd $(dirname $path) > /dev/null 2>&1
+        dir_path=`pwd -P`
+        path=$dir_path/$(basename $path)
+        popd > /dev/null 2>&1
+    elif test -d "$path"; then
+        pushd $path > /dev/null 2>&1
+        path=`pwd -P`
+        popd > /dev/null 2>&1
+    fi
+    echo $path
+}
+
+# Search and add file to the tarball file.
+search_addfile()
+{
+    local compiler=$1
+    local file_name=$2
+    local file_installdir=$3
+    local file=""
+
+    file=$($compiler -print-prog-name=$file_name)
+
+    if test -z "$file" || test "$file" = "$file_name" || ! test -e "$file"; then
+        file=`$compiler -print-file-name=$file_name`
+    fi
+
+    if ! test -e "$file"; then
+        return 1
+    fi
+
+    if test -z "$file_installdir"; then
+        # The file is going to be added to the tarball
+        # in the same path where the compiler found it.
+
+        file_installdir=$(dirname $file)
+        abs_installdir=$(abs_path $file_installdir)
+
+        if test "$file_installdir" != "$abs_installdir"; then
+            # The path where the compiler found the file is relative!
+            # If the path where the compiler found the file is relative
+            # to compiler's path, we must change it to be relative to
+            # /usr/bin path where the compiler is going to be installed
+            # in the tarball file.
+            # Replacing relative path by abs path because the tar command
+            # used to create the tarball file doesn't work well with
+            # relative path as installdir.
+
+            compiler_basedir=$(abs_path ${compiler%/*/*})
+            file_installdir=${abs_installdir/$compiler_basedir/"/usr"}
+        fi
+    fi
+
+    add_file "$file" "$file_installdir/$file_name"
+
+    return 0
+}
+
 # backward compat
 if test "$1" = "--respect-path"; then
   shift
 fi
 
-#add a --silent switch to avoid "broken pipe" errors when calling this scipt from within OE
+# add a --silent switch to avoid "broken pipe" errors when calling this scipt from within OE
 if test "$1" = "--silent"; then
  silent=1
  shift
 fi
 
+if test "$1" != "--gcc" -a "$1" != "--clang"; then
+    # backward compat
+    added_gcc=$1
+    shift
+    added_gxx=$1
+    shift
+    added_as=$1
+    shift
+    archive_name=$1
+    shift
+    gcc=1
+else
+    if test "$1" = "--gcc"; then
+        shift
+        added_gcc=$1
+        shift
+        added_gxx=$1
+        shift
+        added_as=$1
+        shift
+        archive_name=$1
+        shift
+        gcc=1
+    elif test "$1" = "--clang"; then
+        shift
+        added_clang=$1
+        shift
+        added_compilerwrapper=$1
+        if test -n "$added_compilerwrapper"; then
+            # accept 2nd argument being the compilerwrapper binary, for backwards compatibility
+            shift
+        else
+            added_compilerwrapper=@PKGLIBEXECDIR@/compilerwrapper
+        fi
+        clang=1
+    else
+        usage
+        exit 1
+    fi
+fi
 
-added_gcc=$1
-shift
-added_gxx=$1
-shift
-added_as=$1
-shift
-archive_name=$1
-
-if test -z "$added_gcc" || test -z "$added_gxx" ; then
-	echo "usage: $0 <gcc_path> <g++_path>"
-	exit 1
+if test -n "$gcc"; then
+    if test -z "$added_gcc" || test -z "$added_gxx"; then
+        usage
+        exit 1
+    fi
+    if ! test -x "$added_gcc" ; then
+        echo "'$added_gcc' is no executable."
+        exit 1
+    fi
+    if ! test -x "$added_gxx" ; then
+        echo "'$added_gxx' is no executable."
+        exit 1
+    fi
+    if test -z "$added_as" ; then
+      add_file /usr/bin/as /usr/bin/as
+    else
+      if ! test -x "$added_as" ; then
+        echo "'$added_as' is no executable."
+        exit 1
+      fi
+      add_file $added_as  /usr/bin/as
+    fi
+    if ! file --mime-type -L "$added_gcc" | grep -q ': application/'; then
+        echo "$added_gcc is not a binary file."
+        exit 1
+    fi
+    if ! file --mime-type -L "$added_gxx" | grep -q ': application/'; then
+        echo "$added_gxx is not a binary file."
+        exit 1
+    fi
+    if ! file --mime-type -L "$added_as" | grep -q ': application/'; then
+        echo "$added_as is not a binary file."
+        exit 1
+    fi
 fi
 
-if ! test -x "$added_gcc" ; then
-  echo "'$added_gcc' is no executable."
-  exit 1
+if test -n "$clang"; then
+    if ! test -x "$added_clang" ; then
+        echo "'$added_clang' is no executable."
+        exit 1
+    fi
+    if ! file --mime-type -L "$added_clang" | grep -q ': application/'; then
+        echo "$added_clang is not a binary file."
+        exit 1
+    fi
+    if ! test -x "$added_compilerwrapper" ; then
+        echo "'$added_compilerwrapper' is no executable."
+        exit 1
+    fi
 fi
 
-if ! test -x "$added_gxx" ; then
-  echo "'$added_gcc' is no executable."
-  exit 1
+extrafiles=
+while test "x$1" = "x--addfile"; do
+    shift
+    extrafiles="$extrafiles $1"
+    shift
+done
+
+tempdir=`mktemp -d /tmp/iceccenvXXXXXX`
+
+# for testing the environment is usable at all
+if test -x /bin/true; then
+    add_file /bin/true
+elif test -x /usr/bin/true; then
+    add_file /usr/bin/true /bin/true
 fi
 
+if test -n "$gcc"; then
+    # getting compilers abs path
+    added_gcc=$(abs_path $added_gcc)
+    added_gxx=$(abs_path $added_gxx)
 
+    if test -z "$clang"; then
+        add_file $added_gcc /usr/bin/gcc
+        add_file $added_gxx /usr/bin/g++
+    else
+        # HACK: The clang case below will add a wrapper in place of gcc, so add the real
+        # gcc under a different name that the wrapper will call.
+        add_file $added_gcc /usr/bin/gcc.bin
+        add_file $added_gxx /usr/bin/g++.bin
+    fi
+    add_file `$added_gcc -print-prog-name=cc1` /usr/bin/cc1
+    add_file `$added_gxx -print-prog-name=cc1plus` /usr/bin/cc1plus
 
-add_file $added_gcc /usr/bin/gcc
-add_file $added_gxx /usr/bin/g++
+    gcc_as=$($added_gcc -print-prog-name=as)
+    if test "$gcc_as" = "as"; then
+      add_file /usr/bin/as
+    else
+      add_file "$gcc_as" /usr/bin/as
+    fi
 
-if test -z "$added_as" ; then
- add_file /usr/bin/as /usr/bin/as
-else
- if ! test -x "$added_as" ; then
-  echo "'$added_as' is no executable."
-  exit 1
- fi
+    search_addfile $added_gcc specs
+    search_addfile $added_gcc liblto_plugin.so
+fi
+
+if test -n "$clang"; then
+    add_file $added_clang /usr/bin/clang
+    # HACK: Older icecream remotes have /usr/bin/{gcc|g++} hardcoded and wouldn't
+    # call /usr/bin/clang at all. So include a wrapper binary that will call gcc or clang
+    # depending on an extra argument added by icecream.
+    add_file $added_compilerwrapper /usr/bin/gcc
+    add_file $added_compilerwrapper /usr/bin/g++
+
+    add_file $($added_clang -print-prog-name=as) /usr/bin/as
 
- add_file $added_as  /usr/bin/as
+    # clang always uses its internal .h files
+    clangincludes=$(dirname $($added_clang -print-file-name=include/limits.h))
+    clangprefix=$(dirname $(dirname $added_clang))
+    for file in $(find $clangincludes -type f); do
+      # get path without ..
+      # readlink is not portable enough.
+      destfile=$(abs_path $file)
+      # and convert from <prefix> to /usr if needed
+      destfile=$(echo $destfile | sed "s#$clangprefix#/usr#" )
+      add_file "$file" "$destfile"
+    done
 fi
 
-add_file `$added_gcc -print-prog-name=cc1` /usr/bin/cc1
-add_file `$added_gxx -print-prog-name=cc1plus` /usr/bin/cc1plus
-specfile=`$added_gcc -print-file-name=specs`
-if test -n "$specfile" && test -e "$specfile"; then
-  add_file "$specfile"
+for extrafile in $extrafiles; do
+    add_file $extrafile
+done
+
+if test "$is_darwin" = 1; then
+    # add dynamic linker
+    add_file /usr/lib/dyld
+    add_file /usr/bin/gcc
+    add_file /usr/bin/g++
+    real_file=`/usr/bin/as -micha -- < /dev/null 2>&1 | sed -n 's,^[^/]*\(/[^ :]*\).*,\1,p'`
+    add_file $(abs_path "$real_file")
 fi
 
-ltofile=`$added_gcc -print-prog-name=lto1`
-pluginfile="${ltofile%lto1}liblto_plugin.so"
-if test -r "$pluginfile"
-then
-  add_file $pluginfile  ${pluginfile#*usr}
-  add_file $pluginfile  /usr${pluginfile#*usr}
+# for ldconfig -r to work, ld.so.conf must not contain relative paths
+# in include directives. Make them absolute.
+if test -f /etc/ld.so.conf; then
+  tmp_ld_so_conf=`mktemp /tmp/icecc_ld_so_confXXXXXX`
+  while read directive path; do
+    if [ "$directive" = "include" -a "${path:0:1}" != "/" ]; then
+      path="/etc/$path"
+    fi
+    echo "$directive $path"
+  done </etc/ld.so.conf >$tmp_ld_so_conf
+  add_file $tmp_ld_so_conf /etc/ld.so.conf
 fi
 
-tempdir=`mktemp -d /tmp/iceccenvXXXXXX`
+# special case for weird multilib setups
+for dir in /lib /lib64 /usr/lib /usr/lib64; do
+    test -L $dir && cp -p $dir $tempdir$dir
+done
+
 new_target_files=
 for i in $target_files; do
  case $i in
@@ -144,14 +378,21 @@ for i in $target_files; do
   new_target_files="$new_target_files $target"
 done
 
-#sort the files
+if test -x /sbin/ldconfig; then
+   mkdir -p $tempdir/var/cache/ldconfig
+   /sbin/ldconfig -r $tempdir
+   new_target_files="$new_target_files etc/ld.so.cache"
+fi
+
+# now sort the files in order to make the md5sums independent
+# of ordering
 target_files=`for i in $new_target_files; do echo $i; done | sort`
 
 #test if an archive name was supplied
 #if not use the md5 of all files as the archive name
 if test -z "$archive_name"; then
   md5sum=NONE
-  for file in /usr/bin/md5sum /bin/md5 /usr/bin/md5; do
+  for file in /usr/bin/md5sum /bin/md5 /usr/bin/md5 /sbin/md5; do
     if test -x $file; then
       md5sum=$file
       break
@@ -159,7 +400,7 @@ if test -z "$archive_name"; then
   done
 
   #calculate md5 and use it as the archive name
-  archive_name=`for i in $target_files; do test -f $tempdir/$i && $md5sum $tempdir/$i; done | sed -e 's/ .*$//' | $md5sum | sed -e 's/ .*$//'`.tar.gz || {
+  archive_name=`for i in $target_files; do $md5sum $tempdir/$i; done | sed -e 's/ .*$//' | $md5sum | sed -e 's/ .*$//'`.tar.gz || {
     if test -z "$silent"; then
      echo "Couldn't compute MD5 sum."
     fi
@@ -182,11 +423,16 @@ echo "creating $archive_name"
 fi
 
 cd $tempdir
-tar -czhf "$mydir/$archive_name" $target_files || {
- if test -z "$silent"; then
-  echo "Couldn't create archive"
- fi
+tar -czh --numeric-owner -f "$mydir/$archive_name" $target_files || {
+  if test -z "$silent"; then
+    echo "Couldn't create archive"
+  fi
   exit 3
 }
 cd ..
 rm -rf $tempdir
+rm -f $tmp_ld_so_conf
+
+# Print the tarball name to fd 5 (if it's open, created by whatever has invoked this)
+( echo $archive_name >&5 ) 2>/dev/null
+exit 0