# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit flag-o-matic toolchain-funcs

DESCRIPTION="Library that converts FORTRAN to C source"
HOMEPAGE="http://www.netlib.org/f2c/"
SRC_URI="http://www.netlib.org/f2c/${PN}.zip -> ${P}.zip"

LICENSE="HPND"
SLOT="0"
KEYWORDS="~amd64 ppc ppc64 x86 ~amd64-linux ~x86-linux"
IUSE="static-libs"

BDEPEND="app-arch/unzip"

S="${WORKDIR}"

PATCHES=(
	"${FILESDIR}"/20051004-add-ofiles-dep.patch
	"${FILESDIR}"/20240130-link-shared-libf2c-correctly.patch
	"${FILESDIR}"/${PN}-20110801-main.patch
	"${FILESDIR}"/${PN}-20110801-64bit-long.patch
	"${FILESDIR}"/${PN}-20240130-fix-buildsystem.patch
)

src_configure() {
	tc-export AR CC RANLIB
}

src_compile() {
	if use static-libs; then
		emake -f makefile.u all
		# Clean up files so we can recompile
		# with -fPIC for the shared lib
		rm -v *.o || die "clean failed"
	fi

	append-cflags -fPIC
	emake -f makefile.u libf2c.so
}

src_install() {
	doheader f2c.h

	dolib.so libf2c.so.2
	dosym libf2c.so.2 /usr/$(get_libdir)/libf2c.so
	use static-libs && dolib.a libf2c.a

	einstalldocs
	dodoc Notice
}