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authorBrian Norris <computersforpeace@gmail.com>2012-11-24 23:26:09 -0800
committerArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2012-12-03 15:16:55 +0200
commit3835899b3b29904eede98e0c22973a430c9cb1f9 (patch)
treea0d8af79f9c4420af3b38a6378121c69ce0c58cc /tests/ubi-tests/README.udev
parent7343528e5821c69224000ed7cfd3e8aaf47b7a93 (diff)
ubi-tests: fix pthreads linking
Technically, '-l' linker options should be included only after the objects which must link to the library. So when we include '-lpthread' in the LDFLAGS variable, it gets placed too early (i.e., before the io_paral.o object), and so the pthread linkage never occurs. The following error probably only shows up with linkers that don't link pthreads by default. $ make tests V=1 ... gcc -I../../ubi-utils//include -I ../../include -lpthread -Wall -Wextra -Wwrite-strings -Wno-sign-compare -ffunction-sections -fdata-sections -Wl,--gc-sections -g -o /home/norris/git/mtd-utils/tests/ubi-tests/io_paral /home/norris/git/mtd-utils/tests/ubi-tests/io_paral.o /home/norris/git/mtd-utils/tests/ubi-tests/helpers.o libubi.a /home/norris/git/mtd-utils/tests/ubi-tests/io_paral.o: In function `main': /home/norris/git/mtd-utils/tests/ubi-tests/io_paral.c:287: undefined reference to `pthread_create' /home/norris/git/mtd-utils/tests/ubi-tests/io_paral.c:295: undefined reference to `pthread_create' /home/norris/git/mtd-utils/tests/ubi-tests/io_paral.c:303: undefined reference to `pthread_join' collect2: ld returned 1 exit status make[2]: *** [/home/norris/git/mtd-utils/tests/ubi-tests/io_paral] Error 1 ... $ ld --version GNU ld (GNU Binutils for Ubuntu) 2.22 ... $ gcc --version gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3 ... Signed-off-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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