dev-lang/swig: fix pkg-config handling

The build uses a non-standard envvar, but even with that it needs a
minor fix to avoid a hardcoded pkg-config invocation.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

diff --git a/dev-lang/swig/swig-4.0.0.ebuild b/dev-lang/swig/swig-4.0.0.ebuild
index bcce897c1e241644ffca0f69409bc1bc758ed7f4..8d6bcfe6f4744d04b0ea9dd6faffdd7c190e1034 100644 (file)
--- a/dev-lang/swig/swig-4.0.0.ebuild
+++ b/dev-lang/swig/swig-4.0.0.ebuild
@@ -3,6 +3,8 @@
 
 EAPI=7
 
+inherit toolchain-funcs
+
 DESCRIPTION="Simplified Wrapper and Interface Generator"
 HOMEPAGE="http://www.swig.org/"
 SRC_URI="mirror://sourceforge/${PN}/${P}.tar.gz"
@@ -19,8 +21,17 @@ RDEPEND="${DEPEND}"
 
 DOCS=( ANNOUNCE CHANGES CHANGES.current README TODO )
 
+src_prepare() {
+       default
+       # https://github.com/swig/swig/pull/1796
+       sed -i \
+               -e '/if pkg-config javascriptcoregtk-1.0/s:pkg-config:$PKGCONFIG:' \
+               configure || die
+}
+
 src_configure() {
        econf \
+               PKGCONFIG="$(tc-getPKG_CONFIG)" \
                $(use_enable ccache) \
                $(use_with pcre)
 }