On Wed., Dec. 2, 2020, 11:08 a.m. Richard Shaw, <hobbes1...@gmail.com>
wrote:

> I'm working on packaging chunkfs for fun and curiosity. It should make
> backing up VMs or other large files with traditional backup compression and
> deduplication methods (i.e. BackupPC) easier by breaking up the file into
> chunks.
>
> It has a manual Makefile which I've patched to comply with the
> packaging guidelines, but I've run into an issue.
>
> The build respects the required build flags:
>
> gcc -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches
> -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2
> -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1
> -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1
>  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection
> -fcf-protection -DVERSION='"0.8"' -O2 -Wall   -c -o utils.o utils.c
> gcc -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches
> -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2
> -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1
> -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1
>  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection
> -fcf-protection -DVERSION='"0.8"' -O2 -Wall   -c -o unchunkfs.o unchunkfs.c
> gcc -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches
> -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2
> -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1
> -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1
>  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection
> -fcf-protection -DVERSION='"0.8"' -O2 -Wall   -c -o chunkfs.o chunkfs.c
> gcc -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches
> -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2
> -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1
> -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1
>  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection
> -fcf-protection -s -lfuse  unchunkfs.o utils.o   -o unchunkfs
> gcc -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches
> -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2
> -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1
> -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1
>  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection
> -fcf-protection -s -lfuse  chunkfs.o utils.o   -o chunkfs
>


This appears to be applying CFLAGS, but not LDFLAGS.


> And debuginfo runs:
>
>  /usr/lib/rpm/find-debuginfo.sh -j12 --strict-build-id -m -i
> --build-id-seed 0.8-1.fc33 --unique-debug-suffix -0.8-1.fc33.x86_64
> --unique-debug-src-base chunkfs-0.8-1.fc33.x86_64 --run-dwz
> --dwz-low-mem-die-limit 10000000 --dwz-max-die-limit 110000000 -S
> debugsourcefiles.list /tmp/rpkg/chunkfs-13-igup1ez3/chunkfs-0.8
>
> But all the results are empty files:
>
> $ ll /tmp/rpkg/chunkfs-13-igup1ez3/chunkfs-0.8/*debug*
> -rw-r--r--. 1 build build 0 Dec  2 09:11
> /tmp/rpkg/chunkfs-13-igup1ez3/chunkfs-0.8/debugfiles.list
> -rw-r--r--. 1 build build 0 Dec  2 09:11
> /tmp/rpkg/chunkfs-13-igup1ez3/chunkfs-0.8/debuglinks.list
> -rw-r--r--. 1 build build 0 Dec  2 09:11
> /tmp/rpkg/chunkfs-13-igup1ez3/chunkfs-0.8/debugsourcefiles.list
> -rw-r--r--. 1 build build 0 Dec  2 09:11
> /tmp/rpkg/chunkfs-13-igup1ez3/chunkfs-0.8/debugsources.list
>
> What gives? Have it just missed something super simple?
>
> Thanks,
> Richard
>
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