• Huang Rui's avatar
    usb: tools: fix a regression issue that gcc can't link to pthread · cb292ce2
    Huang Rui authored
    Reproduce:
    ray@hr-bak:~/usb$ make -C tools/usb/
    make: Entering directory `/home/ray/usb/tools/usb'
    gcc -Wall -Wextra -g -lpthread -I../include -o testusb testusb.c
    /tmp/cc0EMxfy.o: In function `main':
    /home/ray/usb/tools/usb/testusb.c:508: undefined reference to `pthread_create'
    /home/ray/usb/tools/usb/testusb.c:531: undefined reference to `pthread_join'
    collect2: error: ld returned 1 exit status
    make: *** [testusb] Error 1
    make: Leaving directory `/home/ray/usb/tools/usb'
    
    Comments:
    In the latest version (4.7.3) of gcc compiler, it requres that
    libraries must follow the object or source files like below:
    
    "gcc hello.c -lpthread" instead of "gcc -lpthread hello.c"
    
    And it isn't encountered at gcc version 4.7.2.
    So this patch fix to move the pthread option after testusb.c.
    Signed-off-by: default avatarHuang Rui <ray.huang@amd.com>
    Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
    cb292ce2
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