From 5213ea113c8c3d16f0c05294ad4550058e70a900 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89tienne=20BERSAC?=
 <542613+bersace@users.noreply.github.com>
Date: Mon, 22 Aug 2022 09:13:26 +0200
Subject: [PATCH] Explicit link to pthread

Fixes:

    $ LC_ALL=C make
    [ 50%] Linking CXX executable teller
    /usr/bin/ld: CMakeFiles/teller.dir/teller.cc.o: undefined reference to symbol 'pthread_create@@GLIBC_2.2.5'
    /usr/bin/ld: /lib/x86_64-linux-gnu/libpthread.so.0: error adding symbols: DSO missing from command line
    collect2: error: ld returned 1 exit status
    make[2]: *** [CMakeFiles/teller.dir/build.make:103: teller] Error 1
    make[1]: *** [CMakeFiles/Makefile2:95: CMakeFiles/teller.dir/all] Error 2
    make: *** [Makefile:103: all] Error 2
---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f55cb91..7f6ce4d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,7 +21,7 @@ set(CMAKE_CXX_EXTENSIONS ON)
 #target_link_libraries(support PUBLIC -lh2o-evloop -lssl -lcrypto Threads::Threads)
 
 add_executable(teller teller.cc )
-target_link_libraries(teller -lpcaudio)
+target_link_libraries(teller -lpcaudio -lpthread)
 
 #enable_testing()
 #add_test(testname testrunner)