perl removal: Generate capflags.c with sed (POSIX 2008) instead of perl.
PATCH 1/3 perl removal: Generate capflags.c with sed (POSIX 2008) instead of perl.
From: Rob Landley <[email protected]>
Generate capflags.c with sed (POSIX 2008) instead of perl.
Signed-off-by Rob Landley <[email protected]>
---
This patch hasn't changed since 2009, just rediffed to eliminate fuzz.
arch/x86/kernel/cpu/Makefile | 4 +-- arch/x86/kernel/cpu/mkcapflags.pl | 32 ---------------------------- arch/x86/kernel/cpu/mkcapflags.sh | 28 ++++++++++++++++++++++++ 3 files changed, 30 insertions(+), 34 deletions(-)
arch/x86/kernel/cpu/mkcapflags.pl +0 -32
@@ -1,32 +0,0 @@ -#!/usr/bin/perl -# -# Generate the x86_cap_flags[] array from include/asm-x86/cpufeature.h -# - -($in, $out) = @ARGV; - -open(IN, "< $in\0") or die "$0: cannot open: $in: $!\n"; -open(OUT, "> $out\0") or die "$0: cannot create: $out: $!\n"; - -print OUT "#include <asm/cpufeature.h>\n\n"; -print OUT "const char * const x86_cap_flags[NCAPINTS*32] = {\n"; - -while (defined($line = <IN>)) { - if ($line =~ /^\s*\#\s*define\s+(X86_FEATURE_(\S+))\s+(.*)$/) { - $macro = $1; - $feature = $2; - $tail = $3; - if ($tail =~ /\/\*\s*\"([^"]*)\".*\*\//) { - $feature = $1; - } - - if ($feature ne '') { - printf OUT "\t%-32s = \"%s\",\n", - "[$macro]", "\L$feature"; - } - } -} -print OUT "};\n"; - -close(IN); -close(OUT);
arch/x86/kernel/cpu/mkcapflags.sh +28 -0
@@ -0,0 +1,28 @@ +#!/bin/sh +# +# Generate the x86_cap_flags[] array from include/asm/cpufeature.h +# + +IN=$1 +OUT=$2 + +( + echo "#include <asm/cpufeature.h>" + echo "" + echo "const char * const x86_cap_flags[NCAPINTS*32] = {" + + # Iterate through any input lines starting with #define X86_FEATURE_ + sed -n -e 's/\t/ /g' -e 's/^ *# *define *X86_FEATURE_//p' $IN | + while read i + do + # Name is everything up to the first whitespace + NAME="$(echo "$i" | sed 's/ .*//')" + + # If the /* comment */ starts with a quote string, grab that. + VALUE="$(echo "$i" | sed -n 's@.*/\* *\("[^"]*"\).*\*/@\1@p')" + [ -z "$VALUE" ] && VALUE="\"$(echo "$NAME" | tr A-Z a-z)\"" + + [ "$VALUE" != '""' ] && echo " [X86_FEATURE_$NAME] = $VALUE," + done + echo "};" +) > $OUT
arch/x86/kernel/cpu/Makefile +2 -2
@@ -40,10 +40,10 @@ obj-$(CONFIG_MTRR) += mtrr/ obj-$(CONFIG_X86_LOCAL_APIC) += perfctr-watchdog.o perf_event_amd_ibs.o quiet_cmd_mkcapflags = MKCAP $@ - cmd_mkcapflags = $(PERL) $(srctree)/$(src)/mkcapflags.pl $< $@ + cmd_mkcapflags = $(CONFIG_SHELL) $(srctree)/$(src)/mkcapflags.sh $< $@ cpufeature = $(src)/../../include/asm/cpufeature.h targets += capflags.c -$(obj)/capflags.c: $(cpufeature) $(src)/mkcapflags.pl FORCE +$(obj)/capflags.c: $(cpufeature) $(src)/mkcapflags.sh FORCE $(call if_changed,mkcapflags)