3 files changed, 140 insertions, 0 deletions
diff --git a/sys-libs/libcap/Manifest b/sys-libs/libcap/Manifest
index cdffcfa42f22..d2c104bfab37 100644
--- a/sys-libs/libcap/Manifest
+++ b/sys-libs/libcap/Manifest
@@ -1 +1,2 @@
 DIST libcap-2.25.tar.xz 63672 BLAKE2B 205790dea83f15b585e5151814ea520ab1545661d18fa57f36e8c8e597a7c0f0ff1d7b5ccffc36e313eb28606f1e71678233a06896e29cb28e5559b190dd47ed SHA512 c3ab491885292adc171cde542b96f1295e84132febb50112a46575c3bde3a3eb6fcf733f7a756b4b656e013c0abb5ed6571db24799f8c0b23d8f759f992864f9
+DIST libcap-2.26.tar.xz 67172 BLAKE2B 9d1952bd03e1bba5ffa225a5088b8d841c2007219bbb9524f979ac65e472bf932db496acf93984fa77fe42e71d45b85cd603ca461a071fb4742526dfbc5f66eb SHA512 1c2d59f007226405a924950b2c2090393527e06f0692a84e6463e33915a070df61a9070b8f30a624d5630ddd39290eac117e5d440577d1edd48510195b9d12f0
diff --git a/sys-libs/libcap/files/libcap-2.26-no-perl.patch b/sys-libs/libcap/files/libcap-2.26-no-perl.patch
new file mode 100644
index 000000000000..55ee34ee71f9
--- /dev/null
+++ b/sys-libs/libcap/files/libcap-2.26-no-perl.patch
@@ -0,0 +1,61 @@
+From c15a25a61d64efe8f7b29c1e2d0a96885835ec59 Mon Sep 17 00:00:00 2001
+From: Mike Frysinger <vapier@gentoo.org>
+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 <vapier@gentoo.org>
+
+Forward ported from libcap-2.22 to libcap-2.26
+and incorporated the gperf-3.1 fix provided by Mike Gilbert
+<floppym@gentoo.org>
+
+Signed-off-by: Lars Wendler <polynomial-c@gentoo.org>
+---
+ 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 $@ $^
+-- 
+2.20.0.rc0
+
diff --git a/sys-libs/libcap/libcap-2.26.ebuild b/sys-libs/libcap/libcap-2.26.ebuild
new file mode 100644
index 000000000000..3a944d5dc0cd
--- /dev/null
+++ b/sys-libs/libcap/libcap-2.26.ebuild
@@ -0,0 +1,78 @@
+# Copyright 1999-2018 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit multilib multilib-minimal toolchain-funcs pam
+
+DESCRIPTION="POSIX 1003.1e capabilities"
+HOMEPAGE="http://www.friedhoff.org/posixfilecaps.html"
+SRC_URI="mirror://kernel/linux/libs/security/linux-privs/libcap2/${P}.tar.xz"
+
+# it's available under either of the licenses
+LICENSE="|| ( GPL-2 BSD )"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-linux ~x86-linux"
+IUSE="pam static-libs"
+
+# While the build system optionally uses gperf, we don't DEPEND on it because
+# the build automatically falls back when it's unavailable.  #604802
+RDEPEND=">=sys-apps/attr-2.4.47-r1[${MULTILIB_USEDEP}]
+	pam? ( virtual/pam )"
+DEPEND="${RDEPEND}
+	sys-kernel/linux-headers"
+
+# Requires test suite being run as root (via sudo)
+RESTRICT="test"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-2.25-build-system-fixes.patch
+	"${FILESDIR}"/${PN}-2.26-no-perl.patch
+	"${FILESDIR}"/${PN}-2.25-ignore-RAISE_SETFCAP-install-failures.patch
+	"${FILESDIR}"/${PN}-2.21-include.patch
+)
+
+src_prepare() {
+	default
+	multilib_copy_sources
+}
+
+multilib_src_configure() {
+	sed -i \
+		-e "/^PAM_CAP/s:=.*:=$(multilib_native_usex pam yes no):" \
+		-e '/^DYNAMIC/s:=.*:=yes:' \
+		-e '/^lib_prefix=/s:=.*:=$(prefix):' \
+		-e "/^lib=/s:=.*:=$(get_libdir):" \
+		Make.Rules
+}
+
+multilib_src_compile() {
+	tc-export AR CC RANLIB
+	local BUILD_CC
+	tc-export_build_env BUILD_CC
+
+	default
+}
+
+multilib_src_install() {
+	# no configure, needs explicit install line #444724#c3
+	emake install DESTDIR="${ED}"
+
+	gen_usr_ldscript -a cap
+	if ! use static-libs ; then
+		rm "${ED%/}"/usr/$(get_libdir)/libcap.a || die
+	fi
+
+	if [[ -d "${ED%/}"/usr/$(get_libdir)/security ]] ; then
+		rm -r "${ED%/}"/usr/$(get_libdir)/security || die
+	fi
+
+	if multilib_is_native_abi && use pam; then
+		dopammod pam_cap/pam_cap.so
+		dopamsecurity '' pam_cap/capability.conf
+	fi
+}
+
+multilib_src_install_all() {
+	dodoc CHANGELOG README doc/capability.notes
+}