# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit autotools libtool toolchain-funcs

DESCRIPTION="Apache Portable Runtime Library"
HOMEPAGE="https://apr.apache.org/"
SRC_URI="mirror://apache/apr/${P}.tar.bz2"

LICENSE="Apache-2.0"
SLOT="1/${PV%.*}"
KEYWORDS="*"
IUSE="doc older-kernels-compatibility selinux static-libs +urandom"

# See bug #815265 for libcrypt dependency
CDEPEND="virtual/libcrypt:=
	elibc_glibc? ( >=sys-apps/util-linux-2.16 )"
RDEPEND="${CDEPEND}
	selinux? ( sec-policy/selinux-base-policy )"
DEPEND="${CDEPEND}
	>=sys-devel/libtool-2.4.2
	doc? ( app-doc/doxygen )"

DOCS=( CHANGES NOTICE README )

PATCHES=(
	"${FILESDIR}"/${PN}-1.5.0-mint.patch
	"${FILESDIR}"/${PN}-1.5.0-libtool.patch
	"${FILESDIR}"/${PN}-1.5.0-cross-types.patch
	"${FILESDIR}"/${PN}-1.5.0-sysroot.patch #385775
	"${FILESDIR}"/${PN}-1.6.3-skip-known-failing-tests.patch
	"${FILESDIR}"/${PN}-1.7.0-autoconf-2.70.patch #750353
)

src_prepare() {
	default

	mv configure.in configure.ac || die
	AT_M4DIR="build" eautoreconf
	elibtoolize

	eapply "${FILESDIR}/config.layout.patch"
}

src_configure() {
	local myconf=(
		--enable-layout=gentoo
		--enable-nonportable-atomics
		--enable-posix-shm
		--enable-threads
		$(use_enable static-libs static)
		--with-installbuilddir="${EPREFIX}"/usr/share/${PN}/build
	)

	if use older-kernels-compatibility; then
		local apr_cv_accept4 apr_cv_dup3 apr_cv_epoll_create1 apr_cv_sock_cloexec
		export apr_cv_accept4="no"
		export apr_cv_dup3="no"
		export apr_cv_epoll_create1="no"
		export apr_cv_sock_cloexec="no"
	fi
	if tc-is-cross-compiler; then
		# The apache project relies heavily on AC_TRY_RUN and doesn't
		# have any sane cross-compiling fallback logic.
		export \
			ac_cv_file__dev_zero="yes" \
			ac_cv_func_sem_open="yes" \
			ac_cv_negative_eai="yes" \
			ac_cv_o_nonblock_inherited="no" \
			ac_cv_struct_rlimit="yes" \
			ap_cv_atomic_builtins="yes" \
			apr_cv_accept4="yes" \
			apr_cv_dup3="yes" \
			apr_cv_epoll="yes" \
			apr_cv_epoll_create1="yes" \
			apr_cv_gai_addrconfig="yes" \
			apr_cv_mutex_recursive="yes" \
			apr_cv_mutex_robust_shared="yes" \
			apr_cv_process_shared_works="yes" \
			apr_cv_pthreads_lib="-pthread" \
			apr_cv_sock_cloexec="yes" \
			apr_cv_tcp_nodelay_with_cork="yes"
	fi

	if use urandom; then
		myconf+=( --with-devrandom=/dev/urandom )
	elif (( ${CHOST#*-hpux11.} <= 11 )); then
		: # no /dev/*random on hpux11.11 and before, ${PN} detects this.
	else
		myconf+=( --with-devrandom=/dev/random )
	fi

	tc-is-static-only && myconf+=( --disable-dso )

	# shl_load does not search runpath, but hpux11 supports dlopen
	[[ ${CHOST} == *-hpux11* ]] && myconf+=( --enable-dso=dlfcn )

	if [[ ${CHOST} == *-solaris2.10 ]]; then
		case $(<$([[ ${CHOST} != ${CBUILD} ]] && echo "${EPREFIX}/usr/${CHOST}")/usr/include/atomic.h) in
		*atomic_cas_ptr*) ;;
		*)
			elog "You do not have Solaris Patch ID "$(
				[[ ${CHOST} == sparc* ]] && echo 118884 || echo 118885
			)" (Problem 4954703) installed on your host ($(hostname)),"
			elog "using generic atomic operations instead."
			myconf+=( --disable-nonportable-atomics )
			;;
		esac
	else
		if use ppc || use sparc || use mips; then
			# Avoid libapr containing undefined references (underlinked)
			# undefined reference to `__sync_val_compare_and_swap_8'
			# (May be possible to fix via libatomic linkage in future?)
			# bug #740464
			myconf+=( --disable-nonportable-atomics )
		fi
	fi

	econf "${myconf[@]}"
}

src_compile() {
	if tc-is-cross-compiler; then
		# This header is the same across targets, so use the build compiler.
		emake tools/gen_test_char
		tc-export_build_env BUILD_CC
		${BUILD_CC} ${BUILD_CFLAGS} ${BUILD_CPPFLAGS} ${BUILD_LDFLAGS} \
			tools/gen_test_char.c -o tools/gen_test_char || die
	fi

	emake

	if use doc; then
		emake dox
	fi
}

src_test() {
	# Building tests in parallel is broken
	emake -j1 check
}

src_install() {
	default

	if ! use static-libs; then
		find "${ED}" -name '*.la' -delete || die
	fi

	if use doc; then
		docinto html
		dodoc -r docs/dox/html/*
	fi

	# This file is only used on AIX systems, which Gentoo is not,
	# and causes collisions between the SLOTs, so remove it.
	# Even in Prefix, we don't need this on AIX.
	rm "${ED}/usr/$(get_libdir)/apr.exp" || die
}