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authorAntony Pavlov <antonynpavlov@gmail.com>2013-04-03 18:42:33 +0400
committerMichal Marek <mmarek@suse.cz>2013-04-08 11:47:41 +0200
commit5b83df2b4661c03373b38374d0ef830b7819b875 (patch)
treeb416f77435f6d10ebdf210fe7a417c21e9f8c990 /Documentation/kobject.txt
parenta937536b868b8369b98967929045f1df54234323 (diff)
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kbuild: fix ld-option function
The kbuild's ld-option function is broken because the command $(CC) /dev/null -c -o "$$TMPO" does not create object file! I have used a relatively old mips gcc 3.4.6 cross-compiler and a relatively new gcc 4.7.2 to check this fact but the results are the same. EXAMPLE: $ rm /tmp/1.o $ mips-linux-gcc /dev/null -c -o /tmp/1.o mips-linux-gcc: /dev/null: linker input file unused because linking not done $ ls -la /tmp/1.o ls: cannot access /tmp/1.o: No such file or directory We can easily fix the problem by adding the '-x c' compiler option. EXAMPLE: $ rm /tmp/1.o $ mips-linux-gcc -x c /dev/null -c -o /tmp/1.o $ ls -la /tmp/1.o -rw-r--r-- 1 antony antony 778 Apr 2 20:40 /tmp/1.o Also fix wrong ld-option example. Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
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