2012-09-02 11:25:57 +00:00
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AC_DEFUN([AX_COMPILER_IS_CLANG],[
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AC_CACHE_CHECK([compiler is clang], [ac_cv_compiler_is_clang], [
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2013-04-01 18:40:30 +00:00
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if $CXX --version | grep -q -i clang ; then
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2012-09-02 11:25:57 +00:00
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ac_cv_compiler_is_clang=yes
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2013-04-01 18:40:30 +00:00
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USE_CLANG=yes
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2012-09-02 11:25:57 +00:00
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else
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ac_cv_compiler_is_clang=no
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fi
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])
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])
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2012-08-19 21:24:06 +00:00
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AC_DEFUN([AX_QUNUSED_ARGUMENTS_FLAG],[
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AC_CACHE_CHECK([for the compiler flag "-Qunused-arguments"], [ax_cv_qunused_arguments_flag],[
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CXXFLAGS_SAVED=$CXXFLAGS
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CXXFLAGS="$CXXFLAGS -Qunused-arguments"
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export CXXFLAGS
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AC_LANG_PUSH(C++)
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AC_TRY_COMPILE(
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[],
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[1;],
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[ax_cv_qunused_arguments_flag="yes"],
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[ax_cv_qunused_arguments_flag="no"])
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AC_LANG_POP
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CXXFLAGS="$CXXFLAGS_SAVED"
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])
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QUNUSED_ARGUMENTS=""
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if test x"$ax_cv_qunused_arguments_flag" = xyes ; then
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QUNUSED_ARGUMENTS="-Qunused-arguments"
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fi
|
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|
AC_SUBST(QUNUSED_ARGUMENTS)
|
|
|
|
|
])
|
|
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|
|
|
2013-04-01 18:40:30 +00:00
|
|
|
AC_DEFUN([AX_WNO_SELF_ASSIGN_FLAG],[
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|
|
|
AC_CACHE_CHECK([for the compiler flag "-Wno-self-assign"], [ax_cv_wno_self_assign_flag],[
|
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|
|
|
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|
|
|
CXXFLAGS_SAVED=$CXXFLAGS
|
|
|
|
|
CXXFLAGS="$CXXFLAGS -Wno-self-assign"
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|
|
|
export CXXFLAGS
|
|
|
|
|
|
|
|
|
|
AC_LANG_PUSH(C++)
|
|
|
|
|
AC_TRY_COMPILE(
|
|
|
|
|
[],
|
|
|
|
|
[1;],
|
|
|
|
|
[ax_cv_wno_self_assign_flag="yes"],
|
|
|
|
|
[ax_cv_wno_self_assign_flag="no"])
|
|
|
|
|
AC_LANG_POP
|
|
|
|
|
|
|
|
|
|
CXXFLAGS="$CXXFLAGS_SAVED"
|
|
|
|
|
])
|
|
|
|
|
|
|
|
|
|
WNO_SELF_ASSIGN=""
|
|
|
|
|
if test x"$ax_cv_wno_self_assign_flag" = xyes ; then
|
|
|
|
|
WNO_SELF_ASSIGN="-Wno-self-assign"
|
|
|
|
|
fi
|
|
|
|
|
AC_SUBST(WNO_SELF_ASSIGN)
|
|
|
|
|
])
|
|
|
|
|
|
2013-04-13 17:24:11 +00:00
|
|
|
AC_DEFUN([AX_WNO_MISMATCHED_TAGS_FLAG],[
|
|
|
|
|
AC_CACHE_CHECK([for the compiler flag "-Wno-mismatched-tags"], [ax_cv_wno_mismatched_tags_flag],[
|
|
|
|
|
|
|
|
|
|
CXXFLAGS_SAVED=$CXXFLAGS
|
|
|
|
|
CXXFLAGS="$CXXFLAGS -Wno-mismatched-tags"
|
|
|
|
|
export CXXFLAGS
|
|
|
|
|
|
|
|
|
|
AC_LANG_PUSH(C++)
|
|
|
|
|
AC_TRY_COMPILE(
|
|
|
|
|
[],
|
|
|
|
|
[1;],
|
|
|
|
|
[ax_cv_wno_mismatched_tags_flag="yes"],
|
|
|
|
|
[ax_cv_wno_mismatched_tags_flag="no"])
|
|
|
|
|
AC_LANG_POP
|
|
|
|
|
|
|
|
|
|
CXXFLAGS="$CXXFLAGS_SAVED"
|
|
|
|
|
])
|
|
|
|
|
|
|
|
|
|
WNO_MISMATCHED_TAGS=""
|
|
|
|
|
if test x"$ax_cv_wno_mismatched_tags_flag" = xyes ; then
|
|
|
|
|
WNO_MISMATCHED_TAGS="-Wno-mismatched-tags"
|
|
|
|
|
fi
|
|
|
|
|
AC_SUBST(WNO_MISMATCHED_TAGS)
|
|
|
|
|
])
|
|
|
|
|
|
2012-08-19 21:24:06 +00:00
|
|
|
AX_QUNUSED_ARGUMENTS_FLAG
|
2013-04-13 17:24:11 +00:00
|
|
|
AX_WNO_MISMATCHED_TAGS_FLAG
|
2013-04-01 18:40:30 +00:00
|
|
|
AX_WNO_SELF_ASSIGN_FLAG
|
2012-09-02 11:25:57 +00:00
|
|
|
AX_COMPILER_IS_CLANG
|
2013-04-01 18:40:30 +00:00
|
|
|
AC_SUBST(USE_CLANG)
|
