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kernel.bbclass: fix INC directory for SLANG

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In the kernel's tools/perf/Makefile CFLAGS was previously hard coded to
contain "-I/usr/include/slang" to work with hosts that have
"/usr/include/slang/slang.h" as well as hosts that have
"/usr/include/slang.h". This path can cause compile warnings like:

  cc1: warning: '/usr/include/slang' doesn't exists.

  or

  cc1: warning: include location "/usr/include/slang" is unsafe for
  cross-compilation [-Wpoison-system-directories]

Then in some cases warnings become errors if WERROR is enabled hence
build errors.

In coordination with a kernel fix, we can fix this error for all
kernels by modifying the perf Makefile within the staged kernel
source.

(From OE-Core rev: 4e0daf05ed04e9fb4343032c6290a379f53b89f3)

Signed-off-by: Liang Li <liang.li@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Liang Li
2012-08-22 16:02:33 +08:00
committed by Richard Purdie
parent a807818544
commit 9a1705ef80
5 changed files with 6 additions and 29 deletions
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meta/classes/kernel.bbclass
+3
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@@ -204,6 +204,9 @@ kernel_do_install() {
for entry in $bin_files; do
rm -f $kerneldir/$entry
done
# Fix SLANG_INC for slang.h
sed -i 's#-I/usr/include/slang#-I=/usr/include/slang#g' $kerneldir/tools/perf/Makefile
}
sysroot_stage_all_append() {