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authorNicolas Dichtel <nicolas.dichtel@6wind.com>2013-04-29 16:15:51 +0400
committerMichal Marek <mmarek@suse.cz>2013-05-18 00:10:35 +0400
commitc0ff68f1611d6855a06d672989ad5cfea160a4eb (patch)
tree66ce2b9af5930b2a0568d272dd93cbf4890693d8 /scripts/headers_install.sh
parentf722406faae2d073cc1d01063d1123c35425939e (diff)
downloadlinux-c0ff68f1611d6855a06d672989ad5cfea160a4eb.tar.xz
kbuild: fix make headers_install when path is too long
If headers_install is executed from a deep/long directory structure, the shell's maximum argument length can be execeeded, which breaks the operation with: | make[2]: execvp: /bin/sh: Argument list too long | make[2]: *** Instead of passing each files name with the entire path, I give only the file name without the source path and give this path as a new argument to headers_install.pl. Because there is three possible paths, I have tree input-files list, one per path. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Tested-by: Bruce Ashfield <bruce.ashfield@windriver.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
Diffstat (limited to 'scripts/headers_install.sh')
-rw-r--r--scripts/headers_install.sh7
1 files changed, 5 insertions, 2 deletions
diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh
index 643764f53ea7..5de5660cb708 100644
--- a/scripts/headers_install.sh
+++ b/scripts/headers_install.sh
@@ -2,7 +2,7 @@
if [ $# -lt 1 ]
then
- echo "Usage: headers_install.sh OUTDIR [FILES...]
+ echo "Usage: headers_install.sh OUTDIR SRCDIR [FILES...]
echo
echo "Prepares kernel header files for use by user space, by removing"
echo "all compiler.h definitions and #includes, removing any"
@@ -10,6 +10,7 @@ then
echo "asm/inline/volatile keywords."
echo
echo "OUTDIR: directory to write each userspace header FILE to."
+ echo "SRCDIR: source directory where files are picked."
echo "FILES: list of header files to operate on."
exit 1
@@ -19,6 +20,8 @@ fi
OUTDIR="$1"
shift
+SRCDIR="$1"
+shift
# Iterate through files listed on command line
@@ -34,7 +37,7 @@ do
-e 's/(^|[^a-zA-Z0-9])__packed([^a-zA-Z0-9_]|$)/\1__attribute__((packed))\2/g' \
-e 's/(^|[ \t(])(inline|asm|volatile)([ \t(]|$)/\1__\2__\3/g' \
-e 's@#(ifndef|define|endif[ \t]*/[*])[ \t]*_UAPI@#\1 @' \
- "$i" > "$OUTDIR/$FILE.sed" || exit 1
+ "$SRCDIR/$i" > "$OUTDIR/$FILE.sed" || exit 1
scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__ "$OUTDIR/$FILE.sed" \
> "$OUTDIR/$FILE"
[ $? -gt 1 ] && exit 1