dev-util/ccache: bump up to 4.0

A few major changes:
- move from zlib to zstdd compression
- move from md4 to xxhash hash
- expanded license from GPL-3 to LGPL-3
- man page disappeared

Package-Manager: Portage-3.0.8, Repoman-3.0.2
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>

4 files changed, 97 insertions, 0 deletions

diff --git a/dev-util/ccache/Manifest b/dev-util/ccache/Manifest
index eb12073ed681..d86d278e7554 100644
--- a/dev-util/ccache/Manifest
+++ b/dev-util/ccache/Manifest
@@ -1,2 +1,3 @@
 DIST ccache-3.7.11.tar.xz 354160 BLAKE2B 46fc5d65d6224bb796db7632b35ccca1089e5fed36eeb2ba231cf4c1aaa94be10bf0504f6ef565ce11673e527e09dee64583a764062ca7fea38364d790dd8cc1 SHA512 47b71b3ab4b89bf9b6f6d15941c22d2207b369922f51f9a8fbf4e86554325053dccce669e1c1ed3c0019a7e0a3d610f399e52d3fee68b56111aa7c1b24132c11
 DIST ccache-3.7.12.tar.xz 354684 BLAKE2B b0b1028ede8206622c4b563cdc1351bdbe49ac11aa92d405c778af91db5bac029f7331371ef0a55bc3b1c7a0b60fbc5711277e048481bf0f4ad4b1be8acd3495 SHA512 0eb47869f86d36b3e5fad0d5073973f0444f3efe23fd14469a9e05154ea219228443098b1c5e4a8a0c5c78b4bfa7623735b50ebd6b8b4d0626766061850d6a62
+DIST ccache-4.0.tar.xz 383264 BLAKE2B ef4ca19860e2a0d313354cbd59a9eff441e86663820e8233dcf4b45a008ffa330b4a4c22eb11f3c6a7a98950d7d247034e60eb71c84ec4471f60fa19591651bd SHA512 1e55767bc2919109ae3c9b74f0adcd518e7e11df45c3981b2e9f8b04a780f9730457eeef1df137c65ab20e0959600c5317f06b58ffb82f5806c7c9f6cc305715
diff --git a/dev-util/ccache/ccache-4.0.ebuild b/dev-util/ccache/ccache-4.0.ebuild
new file mode 100644
index 000000000000..66c0f19279a3
--- /dev/null
+++ b/dev-util/ccache/ccache-4.0.ebuild
@@ -0,0 +1,66 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit cmake
+
+DESCRIPTION="fast compiler cache"
+HOMEPAGE="https://ccache.dev/"
+SRC_URI="https://github.com/ccache/ccache/releases/download/v${PV}/ccache-${PV}.tar.xz"
+
+LICENSE="GPL-3 LGPL-3"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+IUSE="test"
+
+DEPEND=""
+RDEPEND="${DEPEND}
+	dev-util/shadowman
+	sys-apps/gentoo-functions"
+# clang-specific tests use dev-libs/elfutils to compare objects for equality.
+# Let's pull in the dependency unconditionally.
+DEPEND+="
+	test? ( dev-libs/elfutils )"
+
+RESTRICT="!test? ( test )"
+
+DOCS=( doc/{AUTHORS,MANUAL,NEWS}.adoc CONTRIBUTING.md README.md )
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-3.5-nvcc-test.patch
+	"${FILESDIR}"/${PN}-4.0-objdump.patch
+	"${FILESDIR}"/${PN}-4.0-avoid-run-user.patch
+)
+
+src_prepare() {
+	cmake_src_prepare
+
+	sed \
+		-e "/^EPREFIX=/s:'':'${EPREFIX}':" \
+		"${FILESDIR}"/ccache-config-3 > ccache-config || die
+
+	# mainly used in tests
+	tc-export CC OBJDUMP
+}
+
+src_install() {
+	# TODO: install manpage: https://github.com/ccache/ccache/issues/684
+	cmake_src_install
+
+	dobin ccache-config
+	insinto /usr/share/shadowman/tools
+	newins - ccache <<<"${EPREFIX}/usr/lib/ccache/bin"
+}
+
+pkg_prerm() {
+	if [[ -z ${REPLACED_BY_VERSION} && ${ROOT:-/} == / ]] ; then
+		eselect compiler-shadow remove ccache
+	fi
+}
+
+pkg_postinst() {
+	if [[ ${ROOT:-/} == / ]]; then
+		eselect compiler-shadow update ccache
+	fi
+}
diff --git a/dev-util/ccache/files/ccache-4.0-avoid-run-user.patch b/dev-util/ccache/files/ccache-4.0-avoid-run-user.patch
new file mode 100644
index 000000000000..07da25c6c341
--- /dev/null
+++ b/dev-util/ccache/files/ccache-4.0-avoid-run-user.patch
@@ -0,0 +1,18 @@
+Gentoo's sandbox does not whitelist this path by default yet.
+TODO: bug link.
+
+Until we have a sandbox whitelisting the path let's rely on ccache's default.
+--- a/src/Config.cpp
++++ b/src/Config.cpp
+@@ -833,11 +833,5 @@ Config::check_key_tables_consistency()
+ std::string
+ Config::default_temporary_dir(const std::string& cache_dir)
+ {
+-#ifdef HAVE_GETEUID
+-  std::string user_tmp_dir = fmt::format("/run/user/{}", geteuid());
+-  if (Stat::stat(user_tmp_dir).is_directory()) {
+-    return user_tmp_dir + "/ccache-tmp";
+-  }
+-#endif
+   return cache_dir + "/tmp";
+ }
diff --git a/dev-util/ccache/files/ccache-4.0-objdump.patch b/dev-util/ccache/files/ccache-4.0-objdump.patch
new file mode 100644
index 000000000000..af48e997f50b
--- /dev/null
+++ b/dev-util/ccache/files/ccache-4.0-objdump.patch
@@ -0,0 +1,12 @@
+Allow ${CHOST}-objdump (or any other override)
+--- a/test/run
++++ b/test/run
+@@ -133,7 +133,7 @@ objdump_cmd() {
+         # back to brute force and ignorance.
+         strings "$1"
+     else
+-        objdump -W "$file"
++        ${OBJDUMP-objdump} -W "$file"
+     fi
+ }
+