fix lfs/zstd: change prefix in .pc

lfs/zstd-1.5.7-r1.PKGBUILD

@@ -0,0 +1,31 @@
+pkgname=zstd
+pkgver=1.5.7
+pkgdesc='Zstandard - Fast real-time compression algorithm'
+homepage='https://facebook.github.io/zstd/'
+license=(
+  BSD-3-Clause
+  GPL-2.0-only
+)
+sources=("${pkgname}-${pkgver}.tar.gz")
+urls=("https://github.com/facebook/zstd/releases/download/v${pkgver}/${sources[0]}")
+md5sums=("780fc1896922b1bc52a4e90980cdda48")
+
+src_prepare() {
+  tar -xf ${distdir}/${sources[0]} --strip-components=1
+}
+
+src_build() {
+  make prefix=/usr
+}
+
+src_check() {
+  make check
+}
+
+src_install() {
+  make prefix="${pkgdir}/usr" install
+  sed -i 's|^prefix=.*$|prefix=/usr|' "${pkgdir}"/usr/lib/pkgconfig/*.pc
+  rm -v "${pkgdir}/usr/lib/libzstd.a"
+}
+
+# vim:ft=sh syn=sh et sw=2: