mkvtoolnix/ac/clang.m4

AC_DEFUN([AX_COMPILER_IS_CLANG],[
  AC_CACHE_CHECK([compiler is clang], [ac_cv_compiler_is_clang], [
    if $CXX --version | grep -q -i clang ; then
      ac_cv_compiler_is_clang=yes
    else
      ac_cv_compiler_is_clang=no
    fi
  ])
])

AX_COMPILER_IS_CLANG

if test x"$ac_cv_compiler_is_clang" = xyes; then
  USE_CLANG=yes
fi

AC_SUBST(USE_CLANG)
Don't build with full optimization with clang Due to bug 11962 in llvm/clang. 2012-09-02 11:25:57 +00:00			`AC_DEFUN([AX_COMPILER_IS_CLANG],[`
			`AC_CACHE_CHECK([compiler is clang], [ac_cv_compiler_is_clang], [`
build system: avoid certain warnings with Qt and clang 2013-04-01 18:40:30 +00:00			`if $CXX --version \| grep -q -i clang ; then`
Don't build with full optimization with clang Due to bug 11962 in llvm/clang. 2012-09-02 11:25:57 +00:00			`ac_cv_compiler_is_clang=yes`
			`else`
			`ac_cv_compiler_is_clang=no`
			`fi`
			`])`
			`])`

build system: only add clang-specific flags for clang 2013-05-02 09:37:31 +00:00			`AX_COMPILER_IS_CLANG`
build system: avoid certain warnings with clang & libstdc++ 2013-04-13 17:24:11 +00:00
build system: fix setting USE_CLANG when cache files are used 2015-03-25 16:25:25 +00:00			`if test x"$ac_cv_compiler_is_clang" = xyes; then`
			`USE_CLANG=yes`
			`fi`

build system: avoid certain warnings with Qt and clang 2013-04-01 18:40:30 +00:00			`AC_SUBST(USE_CLANG)`