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97 lines
2.4 KiB
Bash
97 lines
2.4 KiB
Bash
# Copyright 1999-2025 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=8
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LLVM_COMPAT=( {15..19} )
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PYTHON_COMPAT=( python3_{10..13} )
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inherit flag-o-matic toolchain-funcs llvm-r1 optfeature python-single-r1
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AFL_PATCHSET="${PN}-4.30c-patches"
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DESCRIPTION="Fork of AFL, the popular compile-time instrumentation fuzzer"
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HOMEPAGE="https://github.com/AFLplusplus/AFLplusplus"
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SRC_URI="https://github.com/AFLplusplus/AFLplusplus/archive/v${PV}.tar.gz -> ${P}.tar.gz"
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SRC_URI+=" https://dev.gentoo.org/~sam/distfiles/${CATEGORY}/${PN}/${AFL_PATCHSET}.tar.xz"
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S="${WORKDIR}"/AFLplusplus-${PV}
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LICENSE="Apache-2.0"
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SLOT="0"
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KEYWORDS="amd64 arm64"
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IUSE="test"
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REQUIRED_USE="${PYTHON_REQUIRED_USE}"
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# Tests involve heavy use of LD_PRELOAD in some cases
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# This isn't compatible with sandbox
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RESTRICT="test"
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RDEPEND="
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${PYTHON_DEPS}
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$(llvm_gen_dep '
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llvm-core/clang:${LLVM_SLOT}=
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llvm-core/llvm:${LLVM_SLOT}=
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')
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!app-forensics/afl
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"
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DEPEND="
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${RDEPEND}
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test? ( dev-util/cmocka )
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"
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QA_FLAGS_IGNORED="
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usr/lib.*/afl/afl-gcc-cmplog-pass.so
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usr/lib.*/afl/afl-gcc-cmptrs-pass.so
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"
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QA_PREBUILT="usr/share/afl/testcases/others/elf/small_exec.elf"
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PATCHES=(
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"${WORKDIR}"/${AFL_PATCHSET}
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)
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pkg_setup() {
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llvm-r1_pkg_setup
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python-single-r1_pkg_setup
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}
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mymake() {
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# afl-fuzz spews garbage to stdout if the environment contains any
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# variables whose name beginning with USE_ (including the underscore),
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# regardless of their value (even if empty!). The ebuild environment
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# contains several such variables and the garbage that gets printed
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# ends up in the generated man page.
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#
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# We can work around the problem by unsetting all these variables when
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# running make.
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local badvars=("${!USE_@}")
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env "${badvars[@]/#/-u}" emake \
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CC="$(tc-getCC)" \
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CXX="$(tc-getCXX)" \
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CFLAGS_FLTO="" \
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PREFIX="${EPREFIX}/usr" \
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HELPER_PATH="${EPREFIX}/usr/$(get_libdir)/afl" \
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DOC_PATH="${EPREFIX}/usr/share/doc/${PF}" \
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MAN_PATH="${EPREFIX}/usr/share/man/man8" \
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"$@"
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}
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src_compile() {
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# bug #945258
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append-cflags -std=gnu17
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mymake
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}
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src_test() {
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mymake test
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}
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src_install() {
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mymake DESTDIR="${D}" install
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dostrip -x /usr/share/afl/testcases/
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}
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pkg_postinst() {
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# TODO: Any others?
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optfeature "fuzzing with AFL_USE_ASAN" llvm-runtimes/compiler-rt-sanitizers[asan]
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optfeature "fuzzing with AFL_USE_MSAN" llvm-runtimes/compiler-rt-sanitizers[msan]
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}
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