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|
AC_DEFUN([AC_C_FLAG], [{
AC_LANG_PUSH(C)
ac_c_flag_save="$CFLAGS"
CFLAGS="$CFLAGS -Werror $1"
AC_MSG_CHECKING([[whether $CC supports $1]])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[]])],
[
CFLAGS="$ac_c_flag_save $1"
AC_MSG_RESULT([yes])
], [
CFLAGS="$ac_c_flag_save"
AC_MSG_RESULT([no])
$2
])
AC_LANG_POP(C)
}])
AC_DEFUN([AC_CXX_FLAG], [{
AC_LANG_PUSH(C++)
ac_cxx_flag_save="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS -Werror $1"
AC_MSG_CHECKING([[whether $CXX supports $1]])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[]])],
[
CXXFLAGS="$ac_cxx_flag_save $1"
AC_MSG_RESULT([yes])
],
[
CXXFLAGS="$ac_cxx_flag_save"
AC_MSG_RESULT([no])
$2
])
AC_LANG_POP(C++)
}])
AC_DEFUN([AC_PCH_FLAG], [{
AC_LANG_PUSH(C++)
ac_cxx_flag_save="$CXXFLAGS"
ac_cxx_werror_flag_save="$ac_cxx_werror_flag"
ac_cxx_werror_flag=yes
CXXFLAGS="$CXXFLAGS -Werror $1"
AC_MSG_CHECKING([[whether $CXX supports $1]])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[]])],
[
PCHFLAGS="$PCHFLAGS $1"
AC_MSG_RESULT([yes])
],
[
AC_MSG_RESULT([no])
$2
])
CXXFLAGS="$ac_cxx_flag_save"
ac_cxx_werror_flag="$ac_cxx_werror_flag_save"
AC_LANG_POP(C++)
}])
|
