Using built-in specs.
COLLECT_GCC=x86_64-alt-linux-gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-alt-linux/7/lto-wrapper
Target: x86_64-alt-linux
Configured with: ../configure --host=x86_64-alt-linux --build=x86_64-alt-linux --target=x86_64-alt-linux --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64 --libexecdir=/usr/libexec --localstatedir=/var/lib --sharedstatedir=/var/lib --mandir=/usr/share/man --infodir=/usr/share/info --disable-dependency-tracking --without-included-gettext --enable-shared --program-suffix=-7 --with-slibdir=/lib64 --with-bugurl=http://bugzilla.altlinux.org --enable-__cxa_atexit --enable-threads=posix --enable-checking=release --with-system-zlib --without-included-gettext --enable-multilib --enable-gnu-unique-object --enable-linker-build-id --with-linker-hash-style=gnu --with-arch_32=i586 --with-tune_32=generic --with-multilib-list=m64,m32,mx32 --with-gcc-major-version-only --enable-vtable-verify --enable-bootstrap --enable-languages=c,c++,fortran,objc,obj-c++,ada,go,lto --enable-plugin
Thread model: posix
gcc version 7.3.1 20180130 (ALT 7.3.1-alt3) (GCC) 
COLLECT_GCC_OPTIONS='-o' 'pthread_test' '-pthread' '-v' '-mtune=generic' '-march=x86-64'
 /usr/libexec/gcc/x86_64-alt-linux/7/cc1 -quiet -v -D_REENTRANT pthread_test.c -fstack-protector -quiet -dumpbase pthread_test.c -mtune=generic -march=x86-64 -auxbase pthread_test -version -o /tmp/.private/darktemplar/ccUNjSOm.s
GNU C11 (GCC) version 7.3.1 20180130 (ALT 7.3.1-alt3) (x86_64-alt-linux)
	compiled by GNU C version 7.3.1 20180130 (ALT 7.3.1-alt3), GMP version 6.1.2, MPFR version 4.0.1, MPC version 1.1.0, isl version none
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
ignoring nonexistent directory "/usr/lib64/gcc/x86_64-alt-linux/7/include-fixed"
ignoring nonexistent directory "/usr/lib64/gcc/x86_64-alt-linux/7/../../../../x86_64-alt-linux/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/lib64/gcc/x86_64-alt-linux/7/include
 /usr/local/include
 /usr/include
End of search list.
GNU C11 (GCC) version 7.3.1 20180130 (ALT 7.3.1-alt3) (x86_64-alt-linux)
	compiled by GNU C version 7.3.1 20180130 (ALT 7.3.1-alt3), GMP version 6.1.2, MPFR version 4.0.1, MPC version 1.1.0, isl version none
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: a9af9bb6f89de90dd7da361ea05e59f3
COLLECT_GCC_OPTIONS='-o' 'pthread_test' '-pthread' '-v' '-mtune=generic' '-march=x86-64'
 as -v --64 -o /tmp/.private/darktemplar/cc7Q0liP.o /tmp/.private/darktemplar/ccUNjSOm.s
GNU assembler version 2.27.0 (x86_64-alt-linux) using BFD version (GNU Binutils) 2.27.0.20161101
COMPILER_PATH=/usr/libexec/gcc/x86_64-alt-linux/7/:/usr/libexec/gcc/x86_64-alt-linux/7/:/usr/libexec/gcc/x86_64-alt-linux/:/usr/lib64/gcc/x86_64-alt-linux/7/:/usr/lib64/gcc/x86_64-alt-linux/
LIBRARY_PATH=/usr/lib64/gcc/x86_64-alt-linux/7/:/usr/lib64/gcc/x86_64-alt-linux/7/../../../../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/usr/lib64/gcc/x86_64-alt-linux/7/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-o' 'pthread_test' '-pthread' '-v' '-mtune=generic' '-march=x86-64'
 /usr/libexec/gcc/x86_64-alt-linux/7/collect2 -plugin /usr/libexec/gcc/x86_64-alt-linux/7/liblto_plugin.so -plugin-opt=/usr/libexec/gcc/x86_64-alt-linux/7/lto-wrapper -plugin-opt=-fresolution=/tmp/.private/darktemplar/ccwa6NOh.res -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lpthread -plugin-opt=-pass-through=-lc -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lgcc_s --build-id --no-add-needed --eh-frame-hdr --hash-style=gnu --as-needed -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o pthread_test /usr/lib64/gcc/x86_64-alt-linux/7/../../../../lib64/crt1.o /usr/lib64/gcc/x86_64-alt-linux/7/../../../../lib64/crti.o /usr/lib64/gcc/x86_64-alt-linux/7/crtbegin.o -L/usr/lib64/gcc/x86_64-alt-linux/7 -L/usr/lib64/gcc/x86_64-alt-linux/7/../../../../lib64 -L/lib/../lib64 -L/usr/lib/../lib64 -L/usr/lib64/gcc/x86_64-alt-linux/7/../../.. --as-needed /tmp/.private/darktemplar/cc7Q0liP.o -lgcc --as-needed -lgcc_s -lpthread -lc -lgcc --as-needed -lgcc_s /usr/lib64/gcc/x86_64-alt-linux/7/crtend.o /usr/lib64/gcc/x86_64-alt-linux/7/../../../../lib64/crtn.o
COLLECT_GCC_OPTIONS='-o' 'pthread_test' '-pthread' '-v' '-mtune=generic' '-march=x86-64'