gcc-15 switched to -std=c23 by default: https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=55e3bd376b2214e200fa76d12b67ff259b06c212 As a result `bluez` fails the build as: src/shared/gatt-helpers.c:1136:24: error: incompatible types when returning type '_Bool' but 'struct bt_gatt_request *' was expected 1136 | return false; | ^~~~~ src/shared/gatt-helpers.c:1250:24: error: incompatible types when returning type '_Bool' but 'struct bt_gatt_request *' was expected 1250 | return false; | ^~~~~ src/shared/gatt-helpers.c:1478:24: error: incompatible types when returning type '_Bool' but 'struct bt_gatt_request *' was expected 1478 | return false; | ^~~~~ Signed-off-by: Rudi Heitbaum <rudi@xxxxxxxxxxxx> --- src/shared/gatt-helpers.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/shared/gatt-helpers.c b/src/shared/gatt-helpers.c index 50fcb269b..f1fa6300a 100644 --- a/src/shared/gatt-helpers.c +++ b/src/shared/gatt-helpers.c @@ -1133,7 +1133,7 @@ struct bt_gatt_request *bt_gatt_discover_included_services(struct bt_att *att, uint8_t pdu[6]; if (!att) - return false; + return NULL; op = new0(struct bt_gatt_request, 1); op->att = att; @@ -1247,7 +1247,7 @@ struct bt_gatt_request *bt_gatt_discover_characteristics(struct bt_att *att, uint8_t pdu[6]; if (!att) - return false; + return NULL; op = new0(struct bt_gatt_request, 1); op->att = att; @@ -1475,7 +1475,7 @@ struct bt_gatt_request *bt_gatt_discover_descriptors(struct bt_att *att, uint8_t pdu[4]; if (!att) - return false; + return NULL; op = new0(struct bt_gatt_request, 1); op->att = att; -- 2.43.0