Build Perl 5.4.50.

sysa/perl5.004_05/perl5.004_05.sh

@@ -0,0 +1,29 @@
+# SPDX-FileCopyrightText: 2021 Andrius Štikonas <andrius@stikonas.eu>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+src_prepare() {
+    default_src_prepare
+
+    # Regenerate bison files
+    rm perly.c perly.h
+    bison -d perly.y
+    mv perly.tab.c perly.c
+    mv perly.tab.h perly.h
+
+    # tcc messes up floats, which breaks version detection
+    sed -i '/require/d' embed.pl
+
+    # Regenerate other prebuilt header files
+    for file in embed keywords opcode; do
+        rm ${file}.h
+        perl ${file}.pl
+    done
+}
+
+src_install() {
+    default_src_install
+
+    # Remove old perl
+    rm -rf "${PREFIX}"/lib/perl5/5.003
+}