Arch Linux User Repository

Confirming build error. Building from the author's source produces the same error, and it looks like the source has been stagnant since 2018. The SourceForge forum discusses the issues further.

gcc  -march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong -fno-plt  -Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now -o linsmith main.o misc.o confmgr.o global.o chart_def.o chart.o element.o remote.o import.o load.o load_rx.o load_nb.o log.o support.o printer.o interface.o callbacks.o cables.o  -lgnomeui-2 -lSM -lICE -lglib-2.0 -lglib-2.0 -lglib-2.0 -lglib-2.0 -lbonoboui-2 -lglib-2.0 -lglib-2.0 -lglib-2.0 -lglib-2.0 -lgnome-2 -lpopt -lbonobo-2 -lglib-2.0 -lglib-2.0 -lbonobo-activation -lglib-2.0 -lORBit-2 -lglib-2.0 -lgnomecanvas-2 -lart_lgpl_2 -lgtk-x11-2.0 -lgdk-x11-2.0 -lpangocairo-1.0 -latk-1.0 -lgio-2.0 -lpangoft2-1.0 -lpango-1.0 -lharfbuzz -lfontconfig -lfreetype -lgdk_pixbuf-2.0 -lgnomevfs-2 -lgconf-2 -lgthread-2.0 -lgmodule-2.0 -pthread -lglib-2.0 -lgobject-2.0 -lglib-2.0 -lcairo -lxml2  -lm -lm 
/usr/bin/ld: load_rx.o:(.bss+0x0): multiple definition of `ld_view'; load.o:(.bss+0x8): first defined here
/usr/bin/ld: load_rx.o:(.bss+0x60): multiple definition of `active_ld_iter'; load.o:(.bss+0x60): first defined here
/usr/bin/ld: load_rx.o:(.bss+0x20): multiple definition of `active_load'; load.o:(.bss+0x20): first defined here
/usr/bin/ld: load_nb.o:(.bss+0x60): multiple definition of `active_ld_iter'; load.o:(.bss+0x60): first defined here
/usr/bin/ld: load_nb.o:(.bss+0x20): multiple definition of `active_load'; load.o:(.bss+0x20): first defined here
/usr/bin/ld: load_nb.o:(.bss+0x0): multiple definition of `ld_view'; load.o:(.bss+0x8): first defined here
collect2: error: ld returned 1 exit status
make[2]: *** [Makefile:395: linsmith] Error 1
make[2]: Leaving directory '/mnt/Storage/.aurcache/linsmith/src/linsmith-0.99.31/src'
make[1]: *** [Makefile:392: all-recursive] Error 1
make[1]: Leaving directory '/mnt/Storage/.aurcache/linsmith/src/linsmith-0.99.31'
make: *** [Makefile:333: all] Error 2
==> ERROR: A failure occurred in build().
    Aborting...

Error building on OS updated 4th June 2020

...
load.o:(.bss+0x60): first defined here
/usr/bin/ld: load_nb.o:(.bss+0x20): multiple definition of `active_load'; load.o:(.bss+0x20): first defined here
/usr/bin/ld: load_nb.o:(.bss+0x0): multiple definition of `ld_view'; load.o:(.bss+0x8): first defined here
collect2: error: ld returned 1 exit status
make[2]: *** [Makefile:395: linsmith] Error 1
make[2]: Leaving directory '/var/tmp/pamac-build-lagos2/linsmith/src/linsmith-0.99.31/src'
make[1]: *** [Makefile:392: all-recursive] Error 1
make[1]: Leaving directory '/var/tmp/pamac-build-lagos2/linsmith/src/linsmith-0.99.31'
make: *** [Makefile:333: all] Error 2
==> ERROR: A failure occurred in build().
    Aborting...