- **Milestone**: 5.18.04 --> 5.18.12
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** [tickets:#2501] plm: Build error when using GCC 7.1.1 and -O3 optimization**
**Status:** unassigned
**Milestone:** 5.18.12
**Created:** Mon Jun 19, 2017 01:22 PM UTC by Anders Widell
**Last Updated:** Fri Feb 02, 2018 12:17 PM UTC
**Owner:** nobody
The following compilation error is seen when using GCC 7.1.1 and -O3
optimization level:
~~~
CC src/plm/plmd/bin_osafplmd-plms_plmc.o
src/plm/plmd/plms_mbcsv.c: In function ‘plms_edu_enc_trk_step_info_data’:
src/plm/plmd/plms_mbcsv.c:1013:2: error: ‘msg_hdr.data_len’ may be used
uninitialized in this function [-Werror=maybe-uninitialized]
ncs_encode_32bit(&pdata, header.data_len);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/plm/plmd/plms_mbcsv.c:1061:20: note: ‘msg_hdr.data_len’ was declared here
PLMS_MBCSV_HEADER msg_hdr;
^~~~~~~
src/plm/plmd/plms_mbcsv.c:1011:2: error: ‘msg_hdr’ may be used uninitialized in
this function [-Werror=maybe-uninitialized]
ncs_encode_32bit(&pdata, header.msg_type);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/plm/plmd/plms_mbcsv.c:1061:20: note: ‘msg_hdr’ was declared here
PLMS_MBCSV_HEADER msg_hdr;
^~~~~~~
CC src/plm/plmd/bin_osafplmd-plms_proc.o
src/plm/plmd/plms_mbcsv.c: In function ‘plms_edu_enc_entity_grp_info_data’:
src/plm/plmd/plms_mbcsv.c:1013:2: error: ‘msg_hdr.data_len’ may be used
uninitialized in this function [-Werror=maybe-uninitialized]
ncs_encode_32bit(&pdata, header.data_len);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/plm/plmd/plms_mbcsv.c:1294:20: note: ‘msg_hdr.data_len’ was declared here
PLMS_MBCSV_HEADER msg_hdr;
^~~~~~~
src/plm/plmd/plms_mbcsv.c: In function ‘plms_edu_enc_client_info_data’:
src/plm/plmd/plms_mbcsv.c:1013:2: error: ‘msg_hdr.data_len’ may be used
uninitialized in this function [-Werror=maybe-uninitialized]
ncs_encode_32bit(&pdata, header.data_len);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/plm/plmd/plms_mbcsv.c:1400:20: note: ‘msg_hdr.data_len’ was declared here
PLMS_MBCSV_HEADER msg_hdr;
^~~~~~~
cc1: all warnings being treated as errors
make[2]: *** [Makefile:15601: src/plm/plmd/bin_osafplmd-plms_mbcsv.o] Error 1
~~~
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