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-rw-r--r--m4/macros/opt_cppflags.m422
1 files changed, 22 insertions, 0 deletions
diff --git a/m4/macros/opt_cppflags.m4 b/m4/macros/opt_cppflags.m4
new file mode 100644
index 000000000000..9cb723625738
--- /dev/null
+++ b/m4/macros/opt_cppflags.m4
@@ -0,0 +1,22 @@
+dnl ######################################################################
+dnl Initial settings for CPPFLAGS (-I options)
+dnl NOTE: this is for configuration as well as compilations!
+AC_DEFUN([AMU_OPT_CPPFLAGS],
+[AC_MSG_CHECKING(for configuration/compilation (-I) preprocessor flags)
+AC_ARG_ENABLE(cppflags,
+AC_HELP_STRING([--enable-cppflags=ARG],
+ [configure/compile with ARG (-I) preprocessor flags]),
+[
+if test "$enableval" = "" || test "$enableval" = "yes" || test "$enableval" = "no"; then
+ AC_MSG_ERROR(cppflags must be supplied if option is used)
+fi
+# use supplied options
+CPPFLAGS="$CPPFLAGS $enableval"
+export CPPFLAGS
+AC_MSG_RESULT($enableval)
+], [
+ # default is to have no additional flags
+ AC_MSG_RESULT(none)
+])
+])
+dnl ======================================================================