[RFC PATCH 1/8] handle sysroot flags

[Paolo Bonzini]

---
 libltdl/config/ltmain.m4sh |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/libltdl/config/ltmain.m4sh b/libltdl/config/ltmain.m4sh
index ebd3909..8864916 100644
--- a/libltdl/config/ltmain.m4sh
+++ b/libltdl/config/ltmain.m4sh
@@ -4155,7 +4155,7 @@ func_mode_link ()
       # Tru64 UNIX uses -model [arg] to determine the layout of C++
       # classes, name mangling, and exception handling.
       # Darwin uses the -arch flag to determine output architecture.
-      -model|-arch|-isysroot)
+      -model|-arch|-isysroot|--sysroot)
        compiler_flags="$compiler_flags $arg"
        func_append compile_command " $arg"
        func_append finalize_command " $arg"
@@ -4352,8 +4352,9 @@ func_mode_link ()
       # -p, -pg, --coverage, -fprofile-* pass through profiling flag for GCC
       # @file GCC response files
       # -tp=* Portland pgcc target processor selection
+      # --sysroot=* for sysroot support
       -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
-      -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*)
+      -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*)
         func_quote_for_eval "$arg"
        arg="$func_quote_for_eval_result"
         func_append compile_command " $arg"
-- 
1.7.1