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unix: Fix linker errors when building without sdevent
When building without systemd event support (-DLWS_WITH_SDEVENT=OFF) on a system that has libsystemd headers installed, lib/plat/unix-systemd.c is build in anyway. The final libwebsockets library has then references to symbols from libsystemd even though it won't be linked. Resulting in the follwoing linker errros: -- /usr/bin/ld: /usr/local/lib/libwebsockets.so: undefined reference to `sd_is_socket_inet' /usr/bin/ld: /usr/local/lib/libwebsockets.so: undefined reference to `sd_is_socket_unix' /usr/bin/ld: /usr/local/lib/libwebsockets.so: undefined reference to `sd_listen_fds' -- This commit ensures that unix-system.c is only build when LWS_WITH_SDEVENT is set and the system has libsystemd headers installed. Signed-off-by: Daniel Danzberger <dd@embedd.com>
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1 changed files with 1 additions and 1 deletions
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@ -63,7 +63,7 @@ if (LWS_WITH_NETWORK)
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list(APPEND SOURCES plat/unix/unix-resolv.c)
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endif()
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endif()
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if (LWS_HAVE_SYSTEMD_H)
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if (LWS_WITH_SDEVENT AND LWS_HAVE_SYSTEMD_H)
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list(APPEND SOURCES
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plat/unix/unix-systemd.c
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)
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