X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=m4%2Fpsi_const.m4;h=6c3cf6b28be665eaf28828e22461700a590d8fc0;hb=e5103bb1ce17ef734e1329da9a13d9a2cbc40ad9;hp=71adb03db7ac4571702feb1cf16362475eb1c25c;hpb=772c1e688a51b32331fae7993429b3a03d766d8d;p=m6w6%2Fext-psi

diff --git a/m4/psi_const.m4 b/m4/psi_const.m4
index 71adb03..6c3cf6b 100644
--- 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)