[Click] click crosscompile configure with target specific CXXFLAGS

[Harald Schiöberg]

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click configure fails with target specific CXXFLAGS (e.g. -mtune=xscale)

here is a quick fix:

- --- a/m4/click.m4     2007-09-18 22:28:36.000000000 +0200
+++ b/m4/click.m4     2007-10-16 17:24:34.392490297 +0200
@@ -223,6 +223,8 @@
 AC_DEFUN([CLICK_CHECK_BUILD_DYNAMIC_LINKING], [
     saver="CXX='$CXX' CXXCPP='$CXXCPP'
ac_cv_header_dlfcn_h='$ac_cv_header_dlfcn_h'
ac_cv_func_dlopen='$ac_cv_func_dlopen'
ac_cv_lib_dl_dlopen='$ac_cv_lib_dl_dlopen'"
     CXX="$BUILD_CXX"; CXXCPP="$BUILD_CXX -E"
+    CXXFLAGS=""
+    CPPFLAGS=""
     unset ac_cv_header_dlfcn_h ac_cv_func_dlopen ac_cv_lib_dl_dlopen
     BUILD_DL_LIBS=
     AC_CHECK_HEADERS(dlfcn.h, ac_build_have_dlfcn_h=yes,
ac_build_have_dlfcn_h=no)


- --
Harald Schiöberg
Technische Universität Berlin | T-Laboratories | FG INET
www: http://www.net.t-labs.tu-berlin.de
Phone: +49-(0)30-8353-58476 | Fax: +49-(0)391 534 783 47
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