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[m6w6/ext-psi] / m4 / psi_const.m4

diff --git a/m4/psi_const.m4 b/m4/psi_const.m4
index 71adb03db7ac4571702feb1cf16362475eb1c25c..900b536e6d437b8362292c07a6263459364883c7 100644 (file)
--- a/m4/psi_const.m4
+++ b/m4/psi_const.m4
@@ -1,13 +1,19 @@
 # psi_add_str_const(name, value)
 # Add a pre-defined string constant to $PSI_CONSTS
 psi_add_str_const() {
-       cat >>$PSI_CONSTS <<<"  {PSI_T_STRING, \"string\", \"psi\\\\$1\", $2, PSI_T_QUOTED_STRING}, "
+       grep -q "\"psi\\\\\\\\$1\"" $PSI_CONSTS \
+               || cat >>$PSI_CONSTS <<EOF
+       {PSI_T_STRING, "string", "psi\\$1", $2, PSI_T_QUOTED_STRING},
+EOF 
 }
 
 # psi_add_int_const(name, value)
 # Add a pre-defined int constant to $PSI_CONSTS
 psi_add_int_const() {
-       cat >>$PSI_CONSTS <<<"  {PSI_T_INT, \"int\", \"psi\\\\$1\", \"$2\", PSI_T_NUMBER}, "
+       grep -q "\"psi\\\\\\\\$1\"" $PSI_CONSTS \
+               || cat >>$PSI_CONSTS <<EOF
+       {PSI_T_INT, "int", "psi\\\\$1", "$2", PSI_T_NUMBER}, 
+EOF
 }
 
 dnl PSI_CONST(const name, type)