mirror of
https://gitlab.com/mbunkus/mkvtoolnix.git
synced 2025-01-18 16:04:52 +00:00
38 lines
893 B
Plaintext
38 lines
893 B
Plaintext
AC_DEFUN([AX_COMPILER_IS_CLANG],[
|
|
AC_CACHE_CHECK([compiler is clang], [ac_cv_compiler_is_clang], [
|
|
if $CXX --version | grep -q -i 'clang.*llvm' ; then
|
|
ac_cv_compiler_is_clang=yes
|
|
else
|
|
ac_cv_compiler_is_clang=no
|
|
fi
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([AX_QUNUSED_ARGUMENTS_FLAG],[
|
|
AC_CACHE_CHECK([for the compiler flag "-Qunused-arguments"], [ax_cv_qunused_arguments_flag],[
|
|
|
|
CXXFLAGS_SAVED=$CXXFLAGS
|
|
CXXFLAGS="$CXXFLAGS -Qunused-arguments"
|
|
export CXXFLAGS
|
|
|
|
AC_LANG_PUSH(C++)
|
|
AC_TRY_COMPILE(
|
|
[],
|
|
[1;],
|
|
[ax_cv_qunused_arguments_flag="yes"],
|
|
[ax_cv_qunused_arguments_flag="no"])
|
|
AC_LANG_POP
|
|
|
|
CXXFLAGS="$CXXFLAGS_SAVED"
|
|
])
|
|
|
|
QUNUSED_ARGUMENTS=""
|
|
if test x"$ax_cv_qunused_arguments_flag" = xyes ; then
|
|
QUNUSED_ARGUMENTS="-Qunused-arguments"
|
|
fi
|
|
AC_SUBST(QUNUSED_ARGUMENTS)
|
|
])
|
|
|
|
AX_QUNUSED_ARGUMENTS_FLAG
|
|
AX_COMPILER_IS_CLANG
|