Hello, This is patch for libhid so gcc doesn't stop on error if Werror is used:
Problem: ====== gcc -DHAVE_CONFIG_H -I. -I.. -DNDEBUG -I../include -I../hidparser -O2 -Wall -W -Werror -MT lshid.o -MD -MP -MF .deps/lshid.Tpo -c -o lshid.o lshid.c lshid.c: In function <E2><80><98>device_iterator<E2><80><99>: lshid.c:32:87: error: parameter <E2><80><98>len<E2><80><99> set but not used [-Werror=unused-but-set-parameter] cc1: all warnings being treated as errors Patch: ===== --- lshid.c 2012-08-26 10:54:29.671277650 +0200 +++ lshid.c.mod 2012-08-26 10:54:18.007988938 +0200 @@ -29,6 +29,9 @@ struct usb_dev_handle; +/* unused parameter - don't give error on that warning */ +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wunused-parameter" bool device_iterator (struct usb_dev_handle const* usbdev, void* custom, unsigned int len) { bool ret = false; @@ -36,10 +39,6 @@ char current_dev_path[10]; const struct usb_device *device = usb_device((struct usb_dev_handle *)usbdev); - /* only here to prevent the unused warning */ - /* TODO remove */ - len = *((unsigned long*)custom); - /* Obtain the device's full path */ //sprintf(current_dev_path, "%s/%s", usbdev->bus->dirname, usbdev->device->filename); sprintf(current_dev_path, "%s/%s", device->bus->dirname, device->filename); @@ -72,6 +71,7 @@ return ret; } +#pragma GCC diagnostic pop int main(void) { Hope it helps, -- Vlatko Kosturjak, Kost
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