--- /dev/null
+diff --git a/src/util.cc b/src/util.cc
+index e31fd1f..1caa1ce 100644
+--- a/src/util.cc
++++ b/src/util.cc
+@@ -585,6 +585,13 @@ double GetLoadAverage() {
+ // Calculation taken from comment in libperfstats.h
+ return double(cpu_stats.loadavg[0]) / double(1 << SBITS);
+ }
++#elif defined(__UCLIBC__)
++double GetLoadAverage() {
++ struct sysinfo si;
++ if (sysinfo(&si) != 0)
++ return -0.0f;
++ return 1.0 / (1 << SI_LOAD_SHIFT) * si.loads[0];
++}
+ #else
+ double GetLoadAverage() {
+ double loadavg[3] = { 0.0f, 0.0f, 0.0f };
--- /dev/null
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+
+PYTHON_COMPAT=( python{2_7,3_4,3_5} )
+
+inherit bash-completion-r1 elisp-common python-any-r1 toolchain-funcs
+
+if [[ ${PV} == 9999 ]]; then
+ inherit git-r3
+ EGIT_REPO_URI="https://github.com/ninja-build/ninja.git"
+else
+ SRC_URI="https://github.com/ninja-build/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+ KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~ia64 ~m68k ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos"
+fi
+
+DESCRIPTION="A small build system similar to make"
+HOMEPAGE="https://ninja-build.org/"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+
+IUSE="doc emacs test vim-syntax zsh-completion"
+
+DEPEND="
+ ${PYTHON_DEPS}
+ dev-util/re2c
+ doc? (
+ app-text/asciidoc
+ app-doc/doxygen
+ dev-libs/libxslt
+ )
+ test? ( dev-cpp/gtest )
+"
+RDEPEND="
+ emacs? ( virtual/emacs )
+ vim-syntax? (
+ || (
+ app-editors/vim
+ app-editors/gvim
+ )
+ )
+ zsh-completion? ( app-shells/zsh )
+ !<net-irc/ninja-1.5.9_pre14-r1" #436804
+
+PATCHES=(
+ "${FILESDIR}/${PN}-uclibc.patch"
+)
+
+run_for_build() {
+ if tc-is-cross-compiler; then
+ local -x AR=$(tc-getBUILD_AR)
+ local -x CXX=$(tc-getBUILD_CXX)
+ local -x CFLAGS=${BUILD_CXXFLAGS}
+ local -x LDFLAGS=${BUILD_LDFLAGS}
+ fi
+ "$@"
+}
+
+src_compile() {
+ tc-export AR CXX
+
+ # configure.py uses CFLAGS instead of CXXFLAGS
+ export CFLAGS=${CXXFLAGS}
+
+ run_for_build "${PYTHON}" configure.py --bootstrap --verbose || die
+
+ if tc-is-cross-compiler; then
+ mv ninja ninja-build || die
+ "${PYTHON}" configure.py || die
+ ./ninja-build -v ninja || die
+ else
+ ln ninja ninja-build || die
+ fi
+
+ if use doc; then
+ ./ninja-build -v doxygen manual || die
+ fi
+
+ if use emacs; then
+ elisp-compile misc/ninja-mode.el || die
+ fi
+}
+
+src_test() {
+ if ! tc-is-cross-compiler; then
+ # Bug 485772
+ ulimit -n 2048
+ ./ninja-build -v ninja_test || die
+ ./ninja_test || die
+ fi
+}
+
+src_install() {
+ dodoc README HACKING.md
+ if use doc; then
+ dohtml -r doc/doxygen/html/*
+ dohtml doc/manual.html
+ fi
+ dobin ninja
+
+ newbashcomp misc/bash-completion "${PN}"
+
+ if use vim-syntax; then
+ insinto /usr/share/vim/vimfiles/syntax/
+ doins misc/"${PN}".vim
+
+ echo 'au BufNewFile,BufRead *.ninja set ft=ninja' > "${T}/${PN}.vim"
+ insinto /usr/share/vim/vimfiles/ftdetect
+ doins "${T}/${PN}.vim"
+ fi
+
+ if use zsh-completion; then
+ insinto /usr/share/zsh/site-functions
+ newins misc/zsh-completion _ninja
+ fi
+
+ if use emacs; then
+ cd misc || die
+ elisp-install ${PN} ninja-mode.el* || die
+ fi
+}
+
+pkg_postinst() {
+ use emacs && elisp-site-regen
+}
+
+pkg_postrm() {
+ use emacs && elisp-site-regen
+}