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Determining if files string.h exist passed with the following output:
Change Dir: /home/sh/Downloads/hackrf/codec2/build_linux/CMakeFiles/CMakeTmp

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Building C object CMakeFiles/cmTC_e3f48.dir/HAVE_STRING_H.c.o
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Linking C executable cmTC_e3f48
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Determining if the __GNU_LIBRARY__ exist passed with the following output:
Change Dir: /home/sh/Downloads/hackrf/codec2/build_linux/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_969e3/fast"
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Building C object CMakeFiles/cmTC_969e3.dir/CheckSymbolExists.c.o
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File /home/sh/Downloads/hackrf/codec2/build_linux/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <features.h>

int main(int argc, char** argv)
{
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#ifndef __GNU_LIBRARY__
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Change Dir: /home/sh/Downloads/hackrf/codec2/build_linux/CMakeFiles/CMakeTmp

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Determining if the function pthread_create exists in the pthread passed with the following output:
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Run Build Command:"/usr/bin/make" "cmTC_b8dfa/fast"
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Building C object CMakeFiles/cmTC_b8dfa.dir/CheckFunctionExists.c.o
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