From Newsgroup: alt.bbs.synchronet

I'm using Debian 13 (Trixie) on an amd64 server, and trying to compile
the latest version of Synchronet using the install-sbbs.mk script. It
builds correctly but it fails while linking:

```
make[2]: Leaving directory '/home/sbbs/sbbs/repo/src/uifc'
Compiling fixsmb.c
Linking gcc.linux.x64.exe.release/fixsmb
Compiling chksmb.c
Linking gcc.linux.x64.exe.release/chksmb
Compiling smbutil.c
Linking gcc.linux.x64.exe.release/smbutil
Compiling baja.c
Linking gcc.linux.x64.exe.release/baja
Compiling node.c
Linking gcc.linux.x64.exe.release/node
Compiling sbbsecho.c
Compiling date_str.c
Compiling scfgsave.c
Compiling dat_rec.c
Compiling filedat.c
Compiling userdat.c
Compiling trash.c
Compiling rechocfg.c
Compiling msg_id.c
Compiling msgdate.c
Compiling getmail.c
Compiling getstats.c
Compiling sauce.c
Linking gcc.linux.x64.exe.release/sbbsecho
/usr/bin/ld: /home/sbbs/sbbs/repo/src/sbbs3/../xpdev/gcc.linux.x64.lib.release/libxpdev.a(link_list.o):
in function `listSemTryWaitBlock':
link_list.c:(.text+0x138): undefined reference to `sem_trywait_block' /usr/bin/ld: /home/sbbs/sbbs/repo/src/sbbs3/../xpdev/gcc.linux.x64.lib.release/libxpdev.a(link_list.o):
in function `listInit':
link_list.c:(.text+0x2e0): undefined reference to `pthread_mutex_initializer_np'
collect2: error: ld returned 1 exit status
make[1]: *** [GNUmakefile:237: gcc.linux.x64.exe.release/sbbsecho] Error 1 make[1]: Leaving directory '/home/sbbs/sbbs/repo/src/sbbs3'
make: *** [install-sbbs.mk:160: sbbs3] Error 2
```

I saw the reference to pthreads but libpthread-stubs0-dev is already installed. I installed all the dependencies, but it seems like I might
be missing something. Has anyone seen this error on Trixie before?
--
Thanks in advance,
Colin

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Re: Linker error on Debian 13
By: Colin Cogle to alt.bbs.synchronet on Wed Jul 22 2026 01:01 am

I'm using Debian 13 (Trixie) on an amd64 server, and trying to compile the latest version of Synchronet using the
install-sbbs.mk script. It builds correctly but it fails while linking:

Not sure if this will help but I have had no issue compiling with trixie. Snippet of my dockerfile

FROM debian:trixie

RUN apt-get update && apt-get install -y \
build-essential \
git \
wget \
curl \
libssl-dev \
libncurses-dev \
libncurses5-dev \
zlib1g-dev \
libaio-dev \
libarchive-dev \
zip \
unzip \
netcat-openbsd \
telnet \
syslog-ng \
sudo \
make \
pkg-config \
libnspr4-dev \
&& rm -rf /var/lib/apt/lists/*

RUN useradd -m -s /bin/bash sbbs

WORKDIR /sbbs

RUN wget -q https://gitlab.synchro.net/main/sbbs/-/raw/master/install/install-sbbs.mk && \
make -f install-sbbs.mk SYMLINK=1 NOCAP=1

---
þ Synchronet þ Deceitful Dreams, New Zealand

Re: Linker error on Debian 13 (Trixie)
By: Colin Cogle to alt.bbs.synchronet on Wed Jul 22 2026 01:01 am

Linking gcc.linux.x64.exe.release/sbbsecho
/usr/bin/ld: /home/sbbs/sbbs/repo/src/sbbs3/../xpdev/gcc.linux.x64.lib.release /libxpdev.a(link_list.o):
in function `listSemTryWaitBlock':
link_list.c:(.text+0x138): undefined reference to `sem_trywait_block' /usr/bin/ld: /home/sbbs/sbbs/repo/src/sbbs3/../xpdev/gcc.linux.x64.lib.release /libxpdev.a(link_list.o):
in function `listInit':
link_list.c:(.text+0x2e0): undefined reference to `pthread_mutex_initializer_np'
collect2: error: ld returned 1 exit status

You have CFLAGS set in your environment? Unset that environment variable first. unset CFLAGS
--
digital man (rob)

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