From c15a25a61d64efe8f7b29c1e2d0a96885835ec59 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Wed, 21 Nov 2018 11:00:54 +0100 Subject: [PATCH] use awk/sed instead of perl for creating header files More systems should have awk/sed than perl. Signed-off-by: Mike Frysinger Forward ported from libcap-2.22 to libcap-2.26 and incorporated the gperf-3.1 fix provided by Mike Gilbert Signed-off-by: Lars Wendler --- libcap/Makefile | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-) diff --git a/libcap/Makefile b/libcap/Makefile index 77b26c5..a3f0507 100644 --- a/libcap/Makefile +++ b/libcap/Makefile @@ -18,6 +18,8 @@ MAJLIBNAME=$(LIBNAME).$(VERSION) MINLIBNAME=$(MAJLIBNAME).$(MINOR) GPERF_OUTPUT = _caps_output.gperf CFLAGS += -fPIC +AWK = awk +SED = sed all: $(MINLIBNAME) $(STALIBNAME) libcap.pc @@ -42,11 +44,22 @@ cap_names.h: _makenames ./_makenames > cap_names.h $(GPERF_OUTPUT): cap_names.list.h - perl -e 'print "struct __cap_token_s { const char *name; int index; };\n%{\nconst struct __cap_token_s *__cap_lookup_name(const char *, size_t);\n%}\n%%\n"; while ($$l = <>) { $$l =~ s/[\{\"]//g; $$l =~ s/\}.*// ; print $$l; }' < $< | gperf --ignore-case --language=ANSI-C --readonly --null-strings --global-table --hash-function-name=__cap_hash_name --lookup-function-name="__cap_lookup_name" -c -t -m20 $(INDENT) > $@ + (printf "%b" "struct __cap_token_s { const char *name; int index; };\n%%\n"; \ + $(SED) -e 's:["{}]::g' -e 's:,$$::' $<) | \ + gperf \ + --ignore-case \ + --language=ANSI-C \ + --includes \ + --readonly \ + --null-strings \ + --global-table \ + --hash-function-name=__cap_hash_name \ + --lookup-function-name="__cap_lookup_name" \ + -c -t -m20 $(INDENT) > $@ -cap_names.list.h: Makefile $(KERNEL_HEADERS)/linux/capability.h - @echo "=> making $@ from $(KERNEL_HEADERS)/linux/capability.h" - perl -e 'while ($$l=<>) { if ($$l =~ /^\#define[ \t](CAP[_A-Z]+)[ \t]+([0-9]+)\s+$$/) { $$tok=$$1; $$val=$$2; $$tok =~ tr/A-Z/a-z/; print "{\"$$tok\",$$val},\n"; } }' $(KERNEL_HEADERS)/linux/capability.h | fgrep -v 0x > $@ +cap_names.list.h: $(KERNEL_HEADERS)/linux/capability.h Makefile + @echo "=> making $@ from $<" + $(AWK) '($$0 ~ /^#define[[:space:]]+CAP[_A-Z]+[[:space:]]+[0-9]+[[:space:]]*$$/) { printf "{\"%s\",%s},\n", tolower($$2), $$3 }' $< > $@ $(STALIBNAME): $(OBJS) $(AR) rcs $@ $^ -- 2.20.0.rc0