This is a multi-part message in MIME format.
Source: pandoc
Version: 3.1.3+ds-2
Severity: important
Tags: ftbfs patch
User: debian-loongarch@lists.debian.org
Usertags: loong64
X-Debbugs-Cc: wanghonghu@loongson.cn, zhangjialing@loongson.cn, fanpeng@loongson.cn

Dear maintainers,

The pandoc is blocked from building by haskell-pandoc and haskell-pandoc-lua-engine in the Debian Package Auto-Building environment.
I have built haskell-pandoc and haskell-pandoc-lua-engine locally, and
then compiling pandoc for loong64 in my local ENV failed.

The error message is related to "relocation R_LARCH_B26 overflow ......"
during static linking when built pandoc binary.
The build error log of pandoc from my local ENV is as follows,
```
[4 of 4] Linking dist-ghc/build/pandoc/pandoc
/usr/bin/ld.bfd: /usr/lib/ghc/lib/../lib/loongarch64-linux-ghc-9.4.7/rts-1.0.2/libHSrts-1.0.2_thr.a(NonMovingMark.thr_o):
relocation R_LARCH_B26 overflow 0xfffffffff62f45e4
Dump relocate record:
stack top        relocation name        symbol
at /usr/lib/gcc/loongarch64-linux-gnu/13/../../../loongarch64-linux-gnu/crt1.o(.text+0x0):
...
0x0000000000000000 R_LARCH_NONE    `<nameless>' + 3(0x3)
......
```

It is recommended to use "--enable-executable-dynamic" in d/rules to
reduce binary size on loong64.
The parameter "--enable-executable-dynamic" means "enable dynamic
linking of executable files".
Please consider the patch I attached.
With the attached patch, the pandoc was built successfully in my local ENV.
```
......
if grep -q '^Component:[[:space:]]*main' /CurrentlyBuilding 2>/dev/null;
then dh_scour -ppandoc ; fi
dh_md5sums -ppandoc
dh_builddeb -ppandoc
dpkg-deb: building package 'pandoc' in '../pandoc_3.1.3+ds-2_loong64.deb'.
 dpkg-genbuildinfo -O../pandoc_3.1.3+ds-2_loong64.buildinfo
 dpkg-genchanges -O../pandoc_3.1.3+ds-2_loong64.changes
```

Your opinions are welcome.
In addition, before the pandoc was built for loong64 in the Debian
Package Auto-Building environment, could I dupload the pandoc compiled
locally using "-enable-executable-dynamic" to the
debian-ports/pool-loong64 repository?
Looking forward to your reply.

Thanks,
Dandan Zhang


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--- SoupGate-Win32 v1.05
* Origin: fsxNet Usenet Gateway (21:1/5)

Hi Dandan Zhang.

Quoting zhangdandan (2024-04-17 14:13:00)

The pandoc is blocked from building by haskell-pandoc and haskell-pandoc-lua-engine in the Debian Package Auto-Building environment.
I have built haskell-pandoc and haskell-pandoc-lua-engine locally, and
then compiling pandoc for loong64 in my local ENV failed.

The error message is related to "relocation R_LARCH_B26 overflow ......" during static linking when built pandoc binary.
The build error log of pandoc from my local ENV is as follows,
```
[4 of 4] Linking dist-ghc/build/pandoc/pandoc
/usr/bin/ld.bfd: /usr/lib/ghc/lib/../lib/loongarch64-linux-ghc-9.4.7/rts-1.0.2/libHSrts-1.0.2_thr.a(NonMovingMark.thr_o):
relocation R_LARCH_B26 overflow 0xfffffffff62f45e4
Dump relocate record:
stack top        relocation name        symbol
at /usr/lib/gcc/loongarch64-linux-gnu/13/../../../loongarch64-linux-gnu/crt1.o(.text+0x0):
...
0x0000000000000000 R_LARCH_NONE    `<nameless>' + 3(0x3)
......
```

It is recommended to use "--enable-executable-dynamic" in d/rules to
reduce binary size on loong64.
The parameter "--enable-executable-dynamic" means "enable dynamic
linking of executable files".
Please consider the patch I attached.
With the attached patch, the pandoc was built successfully in my local ENV. ```
......
if grep -q '^Component:[[:space:]]*main' /CurrentlyBuilding 2>/dev/null;
then dh_scour -ppandoc ; fi
dh_md5sums -ppandoc
dh_builddeb -ppandoc
dpkg-deb: building package 'pandoc' in '../pandoc_3.1.3+ds-2_loong64.deb'.
 dpkg-genbuildinfo -O../pandoc_3.1.3+ds-2_loong64.buildinfo
 dpkg-genchanges -O../pandoc_3.1.3+ds-2_loong64.changes
```

Your opinions are welcome.
In addition, before the pandoc was built for loong64 in the Debian
Package Auto-Building environment, could I dupload the pandoc compiled locally using "-enable-executable-dynamic" to the
debian-ports/pool-loong64 repository?
Looking forward to your reply.

Unfortunately, Debian treat Haskell libraries as development code, and
the option --enable-executable-dynamic works only when development files
are also installed.

I have instead added loong64 to the list of low-memory architectures,
which means these options are applied:
--ghc-options="-optc--param -optcggc-min-expand=10 -O0"
Hopefully that is enough for the build for loong64 succeeds.

Kind regards,

- Jonas

--
* Jonas Smedegaard - idealist & Internet-arkitekt
* Tlf.: +45 40843136 Website: http://dr.jones.dk/
* Sponsorship: https://ko-fi.com/drjones

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