diff options
Diffstat (limited to 'scripts/headers_install.sh')
| -rwxr-xr-x[-rw-r--r--] | scripts/headers_install.sh | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh index d2308ddbb3b5..6c0761e4990d 100644..100755 --- a/scripts/headers_install.sh +++ b/scripts/headers_install.sh @@ -3,7 +3,7 @@ # headers_install prepare the listed header files for use in # user space and copy the files to their destination. # -# Usage: headers_install.pl readdir installdir arch [files...] +# Usage: headers_install.sh readdir installdir arch [files...] # readdir: dir to open files # installdir: dir to install the files # arch: current architecture @@ -16,6 +16,9 @@ # 2) Drop include of compiler.h # 3) Drop all sections defined out by __KERNEL__ (using unifdef) +# This is a port to shell of the original Perl version, to avoid +# requiring Perl when building only the Linux API headers. + set -eu readdir="$1" @@ -27,11 +30,7 @@ unifdef="scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__" for file in "$@" do - tmpfile=$(mktemp -d "$installdir") - - while (my $line = <$in>) { - printf {$out} "%s", $line; - } + tmpfile=$(mktemp --tmpdir="$installdir") sed -r \ -e 's/([[:space:](])__user[[:space:]]/\1/g' \ @@ -39,25 +38,25 @@ do -e 's/([[:space:](])__iomem[[:space:]]/\1/g' \ -e 's/([[:space:]])__attribute_const__[[:space:]]/ /g' \ -e 's/([[:space:]])__attribute_const__$//g' \ - -e 's/\<__packed\>/__attribute__((packed))/g' \ - -e 's/^#include <linux\/compiler.h>//' \ - -e 's/(^|[[:space:]])(inline)\>/\1__\2__/g' \ - -e 's/(^|[[:space:]])(asm)\>([[:space:](]|$)/\1__\2__\3/g' \ - -e 's/(^|[[:space:](])(volatile)\>([[:space:](]|$)/\1__\2__\3/g' \ + -e 's/\<__packed\>/__attribute__((packed))/g' \ + -e 's/^#include <linux\/compiler.h>//' \ + -e 's/(^|[[:space:]])(inline)\>/\1__\2__/g' \ + -e 's/(^|[[:space:]])(asm)\>([[:space:](]|$)/\1__\2__\3/g' \ + -e 's/(^|[[:space:](])(volatile)\>([[:space:](]|$)/\1__\2__\3/g' \ "$readdir/$file" > "$tmpfile" set +e - $unifdef "$tmpfile" > "$installdir/$file" + $unifdef "$tmpfile" > "$installdir/$file" exit=$? set -e - # unifdef will exit 0 on success, and will exit 1 when the - # file was processed successfully but no changes were made, - # so abort only when it's higher than that. + # unifdef will exit 0 on success, and will exit 1 when the + # file was processed successfully but no changes were made, + # so abort only when it's higher than that. if [ "$exit" != 0 ] && [ "$exit" != 1 ] then exit 1 fi - rm "$tmpfile" + rm "$tmpfile" done |