net-libs/kcgi: convert static libraries to shared

Signed-off-by: Anna (cybertailor) Vyalkova <cyber+gentoo@sysrq.in>

net-libs/kcgi/kcgi-0.12.5.ebuild

@@ -3,7 +3,7 @@
 
 EAPI=8
 
-inherit multiprocessing toolchain-funcs
+inherit flag-o-matic multilib multiprocessing toolchain-funcs
 
 DESCRIPTION="Minimal CGI library for web applications"
 HOMEPAGE="https://kristaps.bsd.lv/kcgi/"
@@ -32,15 +32,72 @@ DEPEND="${RDEPEND}
 
 PATCHES=( "${FILESDIR}"/${PN}-$(ver_cut 1-2)-ldflags.patch )
 
+_get_version_component_count() {
+	local cnt=( $(ver_rs 1- ' ') )
+	echo ${#cnt[@]} || die
+}
+
+static_to_shared() {
+	local libstatic=${1}
+	shift
+	local libname=$(basename ${libstatic%.a})
+	local soname=${libname}$(get_libname $(ver_cut 1-2))
+	local libdir=$(dirname ${libstatic})
+
+	einfo "Making ${soname} from ${libstatic}"
+	if [[ ${CHOST} == *-darwin* ]] ; then
+		${LINK:-$(tc-getCC)} ${LDFLAGS}  \
+			-dynamiclib -install_name "${EPREFIX}"/usr/lib/"${soname}" \
+			-Wl,-all_load -Wl,${libstatic} \
+			"$@" -o ${libdir}/${soname} || die "${soname} failed"
+	else
+		${LINK:-$(tc-getCC)} ${LDFLAGS}  \
+			-shared -Wl,-soname=${soname} \
+			-Wl,--whole-archive ${libstatic} -Wl,--no-whole-archive \
+			"$@" -o ${libdir}/${soname} || die "${soname} failed"
+
+		if [[ $(_get_version_component_count) -ge 1 ]] ; then
+			ln -s ${soname} ${libdir}/${libname}$(get_libname $(ver_cut 1)) || die
+		fi
+
+		ln -s ${soname} ${libdir}/${libname}$(get_libname) || die
+	fi
+}
+
 src_prepare() {
 	default
 
 	# disable failing tests
 	sed -e '/\s*regress\/test-debug-.*/d' -i Makefile || die
+
+	# ld: multiple definition of `dummy'
+	local deselect=( sandbox-{capsicum,darwin,pledge,seccomp-filter}.o )
+	case ${CHOST} in
+		*-linux-*)
+			deselect=( "${deselect[@]/sandbox-seccomp-filter.o}" )
+			;;
+		*-darwin*)
+			deselect=( "${deselect[@]/sandbox-darwin.o}" )
+			;;
+		*-freebsd*)
+			deselect=( "${deselect[@]/sandbox-capsicum.o}" )
+			;;
+		*-openbsd*)
+			deselect=( "${deselect[@]/sandbox-pledge.o}" )
+			;;
+	esac
+
+	for obj in "${deselect[@]}"; do
+		# elements are not deleted completely from the array
+		if [[ -n "${obj}" ]]; then
+			sed "/${obj}/d" -i Makefile || die
+		fi
+	done
 }
 
 src_configure() {
 	tc-export CC AR
+	append-cflags -fPIC
 
 	# note: not an autoconf configure script
 	conf_args=(
@@ -56,6 +113,12 @@ src_configure() {
 
 src_compile() {
 	bmake -j$(makeopts_jobs) || die
+
+	static_to_shared libkcgi.a -lz -lmd
+	static_to_shared libkcgihtml.a
+	static_to_shared libkcgijson.a -lm
+	static_to_shared libkcgiregress.a
+	static_to_shared libkcgixml.a
 }
 
 src_test() {
@@ -69,10 +132,9 @@ src_install() {
 		DATADIR="/usr/share/doc/${PF}/examples" \
 		install || die
 
-	# kcgi does not install shared libraries
+	dolib.so lib*$(get_libname)*
 	if ! use static-libs; then
 		find "${ED}" -name '*.a' -delete || die
-		find "${ED}" -name '*.pc' -delete || die
 	fi
 
 	einstalldocs