I'm using gcc 5.4.0 with `-Werror -std=c99 -pedantic-errors`. I'm seeing
warnings as errors, ISO C99 issues, and pedantic errors in nimble preventing
integration with these compiler flags.
```
$ gcc --version
gcc (Ubuntu 5.4.0-6ubuntu1~16.04.10) 5.4.0 20160609
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
```
Here are some example errors:
```
gcc -DHAVE_CONFIG_H -I. -I../../../include -fPIC -I../../../include
-I../../../examples/platforms -I../../../src/core -I../../../src/lib
-D_GNU_SOURCE
-I../../../third_party/mynewt-nimble/repo/porting/npl/linux/include
-I../../../third_party/mynewt-nimble/repo/porting/npl/linux/src
-I../../../third_party/mynewt-nimble/repo/porting/nimble/include
-I../../../third_party/mynewt-nimble/repo/nimble/include
-I../../../third_party/mynewt-nimble/repo/nimble/host/include
-I../../../third_party/mynewt-nimble/repo/nimble/host/src
-I../../../third_party/mynewt-nimble/repo/nimble/host/services/ans/include
-I../../../third_party/mynewt-nimble/repo/nimble/host/services/gap/include
-I../../../third_party/mynewt-nimble/repo/nimble/host/services/gatt/include
-I/home/mturon/src_local/nest/openthread/ot-nimble/third_party/mbedtls
-I/home/mturon/src_local/nest/openthread/ot-nimble/third_party/mbedtls/repo/include
-I/home/mturon/src_local/nest/openthread/ot-nimble/third_party/mbedtls/repo/include/mbedtls
-DMBEDTLS_CONFIG_FILE=\"mbedtls-config.h\" -g -O2 -Wall -Wextra -Wshadow
-Werror -std=c99 -pedantic-errors -D_BSD_SOURCE=1 -D_DEFAULT_SOURCE=1 -MT
libopenthread_posix_a-ble_nimble.o -MD -MP -MF
.deps/libopenthread_posix_a-ble_nimble.Tpo -c -o
libopenthread_posix_a-ble_nimble.o `test -f 'ble_nimble.c' || echo
'./'`ble_nimble.c
In file included from
../../../third_party/mynewt-nimble/repo/porting/nimble/include/os/os.h:53:0,
from
../../../third_party/mynewt-nimble/repo/nimble/include/nimble/ble.h:26,
from ble_nimble.c:37:
../../../third_party/mynewt-nimble/repo/porting/nimble/include/os/os_mbuf.h:107:13:
error: ISO C forbids zero-size array ‘om_databuf’ [-Wpedantic]
uint8_t om_databuf[0];
^
In file included from
../../../third_party/mynewt-nimble/repo/porting/nimble/include/os/os.h:54:0,
from
../../../third_party/mynewt-nimble/repo/nimble/include/nimble/ble.h:26,
from ble_nimble.c:37:
../../../third_party/mynewt-nimble/repo/porting/nimble/include/os/os_mempool.h:71:29:
error: ISO C99 doesn’t support unnamed structs/unions [-Wpedantic]
SLIST_HEAD(,os_memblock);
^
In file included from ble_nimble.c:37:0:
../../../third_party/mynewt-nimble/repo/nimble/include/nimble/ble.h:105:6:
error: ISO C99 doesn’t support unnamed structs/unions [-Wpedantic]
};
^
In file included from
../../../third_party/mynewt-nimble/repo/nimble/host/include/host/ble_hs.h:30:0,
from ble_nimble.c:38:
../../../third_party/mynewt-nimble/repo/nimble/include/nimble/hci_common.h:910:46:
error: ISO C forbids zero-size array ‘params’ [-Wpedantic]
struct hci_le_subev_direct_adv_rpt_param params[0];
^
In file included from
../../../third_party/mynewt-nimble/repo/nimble/host/include/host/ble_hs_adv.h:24:0,
from
../../../third_party/mynewt-nimble/repo/nimble/host/include/host/ble_gap.h:32,
from
../../../third_party/mynewt-nimble/repo/nimble/host/include/host/ble_hs.h:33,
from ble_nimble.c:38:
../../../third_party/mynewt-nimble/repo/nimble/host/include/host/ble_uuid.h:95:33:
error: ISO C does not permit named variadic macros [-Wvariadic-macros]
#define BLE_UUID128_INIT(uuid128...) \
^
../../../third_party/mynewt-nimble/repo/nimble/host/include/host/ble_uuid.h:107:36:
error: ISO C does not permit named variadic macros [-Wvariadic-macros]
#define BLE_UUID128_DECLARE(uuid128...) \
^
```
[ Full content available at: https://github.com/apache/mynewt-nimble/issues/166
]
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