gecko-dev/build/autoconf/wrapper.m4

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dnl This Source Code Form is subject to the terms of the Mozilla Public
dnl License, v. 2.0. If a copy of the MPL was not distributed with this
dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
dnl =======================================================================
dnl = Enable compiling with various compiler wrappers (distcc, ccache, etc)
dnl =======================================================================
AC_DEFUN([MOZ_CHECK_COMPILER_WRAPPER],
[
MOZ_ARG_WITH_STRING(compiler_wrapper,
[ --with-compiler-wrapper[=path/to/wrapper]
Enable compiling with wrappers such as distcc and ccache],
COMPILER_WRAPPER=$withval, COMPILER_WRAPPER="no")
if test "$COMPILER_WRAPPER" != "no"; then
case "$CC" in
$COMPILER_WRAPPER\ *)
:
;;
*)
CC="$COMPILER_WRAPPER $CC"
CXX="$COMPILER_WRAPPER $CXX"
_SUBDIR_CC="$CC"
_SUBDIR_CXX="$CXX"
ac_cv_prog_CC="$CC"
ac_cv_prog_CXX="$CXX"
MOZ_USING_COMPILER_WRAPPER=1
;;
esac
fi
AC_SUBST(MOZ_USING_COMPILER_WRAPPER)
])