Move to /usr prefix.

- This is much more standard and replaces /image in sysa and is the
  standard in sysc (avoids many issues).
- GCC needs to have a file created for some unknown reason.
- Checksums updated.

sysc/gettext-0.21/gettext-0.21.sh

@@ -0,0 +1,24 @@
+# SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+src_prepare() {
+    find . -name '*.info*' -delete
+    find . -name '*.gmo' -delete
+
+    # bison
+    rm gettext-runtime/intl/plural.c gettext-tools/src/{po-gram-gen,cldr-plural}.{c,h}
+    GNULIB_SRCDIR=$(realpath ../gnulib-7daa86f) ./autogen.sh
+}
+
+src_configure() {
+    ./configure --prefix="${PREFIX}" --enable-static --disable-shared
+}
+
+src_compile() {
+    make MAKEINFO=true
+}
+
+src_install() {
+    make MAKEINFO=true DESTDIR="${DESTDIR}" install
+}