Hi, On 19.10., Jiří Zárevúcky wrote: > Could you elaborate on your setup? > In particular, do you use the proper cross-compiler, as built using > toolchain.sh?
I just installed fresh toolchain, distclean, loaded amd64 defaults and it happened. Strangely, no warnings are reported with -O2. > Also, did you add any additional compiler flags? No. > Any other changes? Differences from default settings? My CROSS_PREFIX is set to dir in my home, not the system default. It still contains the old toolchain, if that could matter. I can't think of any other difference - I don't even use the mainline checkout while working on xhci. OH > On 19 October 2017 at 23:40, Ondřej Hlavatý <[email protected]> wrote: > > Well, it seems that the patch is sufficient only when compiling with > > -O3. There are a lot of other warnings with -Og. It is probably worth > > checking them all (possibly with -O0) and fixing/muting them at once. > > > > Shall I prepare that? > > > > OH > > > > On 19.10., Ondra Hlavatý wrote: > >> Hi all, > >> > >> When building current mainline with freshly downloaded toolchain, GCC > >> 7.1.0 complains about uninitialized variables. First of them is real > >> (extent.c), the second is not, but it's probably too hard for GCC to > >> infer. > >> > >> Hope you're enjoing the hangout. > >> Ondra Hlavatý > > > >> # Bazaar merge directive format 2 (Bazaar 0.90) > >> # revision_id: [email protected] > >> # target_branch: bzr://bzr.helenos.org/mainline/ > >> # testament_sha1: 5343d00f1a73b4b8864f22d5e19dae0f155642cd > >> # timestamp: 2017-10-19 22:32:34 +0200 > >> # base_revision_id: [email protected]\ > >> # ndrkufle1quqodg8 > >> # > >> # Begin patch > >> === modified file 'uspace/lib/ext4/src/extent.c' > >> --- uspace/lib/ext4/src/extent.c 2017-05-11 22:07:09 +0000 > >> +++ uspace/lib/ext4/src/extent.c 2017-10-19 20:30:01 +0000 > >> @@ -374,7 +374,7 @@ > >> int ext4_extent_find_block(ext4_inode_ref_t *inode_ref, uint32_t iblock, > >> uint32_t *fblock) > >> { > >> - int rc; > >> + int rc = EOK; > >> /* Compute bound defined by i-node size */ > >> uint64_t inode_size = > >> ext4_inode_get_size(inode_ref->fs->superblock, inode_ref->inode); > >> > >> === modified file 'uspace/lib/trackmod/xm.c' > >> --- uspace/lib/trackmod/xm.c 2014-10-13 17:31:01 +0000 > >> +++ uspace/lib/trackmod/xm.c 2017-10-19 20:30:01 +0000 > >> @@ -288,7 +288,7 @@ > >> size_t samples; > >> size_t instr_size; > >> size_t smp_size; > >> - size_t smp_hdr_size; > >> + size_t smp_hdr_size = 0; /* GCC false alarm on uninitialized */ > >> ssize_t nread; > >> uint8_t ltype; > >> trackmod_sample_t *sample; > >> > >> # Begin bundle > >> IyBCYXphYXIgcmV2aXNpb24gYnVuZGxlIHY0CiMKQlpoOTFBWSZTWe8h8/IAAhpfrAAwUPf//17I > >> lAC////wACAAAgoAUASu73TT2tb13oim3qnhJQgp4m1T0mnqemTVPyp+o9Sfoo9qn6oMh6jQbRBl > >> GhGJpo0mkPU0A0AAAAABKEBRoyCbRMTT1GjQAAaNGgAaaoCbKNAAGjQaA0AGg0ABJJNGmpgTET0n > >> oENNI8pkaDQGgNGE5ypN3TW0+0R5HZU5WV9U0/YwFtIdsdkMEzXS50UmZKCSSkkO9B2beBJRTDBB > >> fETXzctT0PJvAt9bQk9U2VMYCzRs2vIqiyYKGc07734syjxSqw1mJBlQLfHZxNdkb7RszqhmPmzY > >> L+AbSq+tfe9BqrcUtO2E5Qwx5KxA6RX9ae6s2j4UjvnbmBv+Os3l0ewCIY0HDDAwyEwkwiQgTGkd > >> KppsRtJPGLIgqLCIPGf4Hd+wIEgyM41hteE6Rc3XdQUl7SltqQ4ZMpgvzIFuLoRaG/aXCyu7yFNq > >> EKwVI2HxRJwt7cSbcSIBfIUyLiwFZAzLDzWjgByvVSmxSDIDpMtldhLoyjaTq6dDxziYCQpNxcUA > >> UmyadFcQgM8Z7FprqSghIN+hLJSmhwAVsxF1ZCBRZcsz0BszFVp0V3idomXU0lZuwRhYSLg5lRbT > >> W7moCZEk9rTjBzCsXpFIt0BT6MD1DVZbXkFyiBWWCnyI54CE77CwZkiS11pEdNQSZ9rUQi5ixt7i > >> 64JiBZkBTqzC4Jg6TLDgFBZTAPaHSnVODxBYzGXDRyohYsvMQDPpKyV8nSMUH2OMlu5QxVezVOfk > >> esUalyPYFiraTEDjpdSVy1tQiCiFjKLLJQmGMRRoBdQOLBBJOzsPY1PqDbF8jGdJengFEu5nHMKP > >> qMpAM6leHOdcNhXTspYxNSYw+10EcO1dTVZMHrtxMY9/O9LSoU4INE9QQOOGNnFjaK3tget7SInN > >> hFFtpv6sEqdEmXGoi1DjkG8fSdheYa7pWaRVLPn2SIKw5mfxklL99FMvbWEwM8SlnW9XAX9pBdBP > >> CTGrcaJ5HvLTTl3vWgrAqphfE19OB3lZ2GM3Bh1haia+KDOdA/bncX4a37tDPd+kHOz3Qzsq5NMK > >> gYRJgaCNcF2Fd9p/ZALzoRjx8yPWbpRh0YHXcS9vdldGpiZcTeSFqvaSEpYsRWHtWOIErYBVHnLk > >> d50omtMjGwvR7xnjEm9wyrjQiRA7yh1mKrW0TzI8kPquqJX+f63Yw6UYIZBzRHMsvoPiQ8KfhJXo > >> nm4zwkKW2on1O9iYueSgChEjQpNc3OMLUwz8dK4w8C3g57O0DZ4LcruCthUY2ghjK4cZFH9pIacG > >> Q4CUEOVNfQ4ir74wNI0u3hBVDuZZf16C7erepZMURR2SnJFC63Kcz2gZfACtU6mGAWXai4Y9Tr0K > >> F2AcqItgRvWZXPJlttKHEhUeCwpFWVS1yoITAzidBNU/qjVQYOVJFGlA4PZQELCWmQgClk6RXJCP > >> zSKkCwKKItkBRz3m+QeRAzUxglsnxIgeF29VP4LNstLNyukyIpcZCySKtRjByqAgrj3nia6Dnjyb > >> MkajQmgcewDuAbNsVYiePp6YwfxdyRThQkO8h8/I > > > >> _______________________________________________ > >> HelenOS-devel mailing list > >> [email protected] > >> http://lists.modry.cz/listinfo/helenos-devel > > > > > > _______________________________________________ > > HelenOS-devel mailing list > > [email protected] > > http://lists.modry.cz/listinfo/helenos-devel > > _______________________________________________ > HelenOS-devel mailing list > [email protected] > http://lists.modry.cz/listinfo/helenos-devel _______________________________________________ HelenOS-devel mailing list [email protected] http://lists.modry.cz/listinfo/helenos-devel
