diff --git a/steps/perl-5.42.0/files/Compress-Raw-Zlib_config.in b/steps/perl-5.42.0/files/Compress-Raw-Zlib_config.in
index 60b8dd1c..22ffd510 100644
--- a/steps/perl-5.42.0/files/Compress-Raw-Zlib_config.in
+++ b/steps/perl-5.42.0/files/Compress-Raw-Zlib_config.in
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2025 fosslinux <fosslinux@aussies.space>
+# 
+# SPDX-License-Identifier: MIT
+
 BUILD_ZLIB      = False
 ZLIB_INCLUDE    = /usr/include
 ZLIB_LIB        = /usr/lib/i386-unknown-linux-musl
diff --git a/steps/perl-5.42.0/patches/Devel-PPPort-remove-sprintf.patch b/steps/perl-5.42.0/patches/Devel-PPPort-remove-sprintf.patch
index 4bf9d10b..20872bec 100644
--- a/steps/perl-5.42.0/patches/Devel-PPPort-remove-sprintf.patch
+++ b/steps/perl-5.42.0/patches/Devel-PPPort-remove-sprintf.patch
@@ -1,3 +1,11 @@
+SPDX-FileCopyrightText: 2025 fosslinux <fosslinux@aussies.space>
+
+SPDX-License-Identifier: Artistic-1.0
+
+my_sprintf appears to be broken.
+This should not be necessary, but is; is most likely linked to metaconfig
+problems.
+
 diff --git perl-5.42.0/dist/Devel-PPPort/PPPort_pm.PL perl-5.42.0/dist/Devel-PPPort/PPPort_pm.PL
 index cfbfaeb8fa..f93e56df15 100644
 --- perl-5.42.0/dist/Devel-PPPort/PPPort_pm.PL
diff --git a/steps/perl-5.42.0/patches/fix-debugging-re.patch b/steps/perl-5.42.0/patches/fix-debugging-re.patch
index 30287c00..ec1a3083 100644
--- a/steps/perl-5.42.0/patches/fix-debugging-re.patch
+++ b/steps/perl-5.42.0/patches/fix-debugging-re.patch
@@ -1,3 +1,11 @@
+SPDX-FileCopyrightText: 2025 fosslinux <fosslinux@aussies.space>
+
+SPDX-License-Identifier: Artistic-1.0
+
+This should not be necessary, there is something weird going on here.
+A number of #defines are hidden behind -DDEBUGGING that are required to build
+the re extension but they are not used. Not sure why, this is a bit of a hack.
+
 diff --git perl-5.42.0/ext/re/Makefile.PL perl-5.42.0/ext/re/Makefile.PL
 index 01786e1ec2..cc4619bfc3 100644
 --- perl-5.42.0/ext/re/Makefile.PL
diff --git a/steps/perl-5.42.0/patches/mk_invlists-remove-any.patch b/steps/perl-5.42.0/patches/mk_invlists-remove-any.patch
index 75158012..ebce77f2 100644
--- a/steps/perl-5.42.0/patches/mk_invlists-remove-any.patch
+++ b/steps/perl-5.42.0/patches/mk_invlists-remove-any.patch
@@ -1,3 +1,7 @@
+SPDX-FileCopyrightText: 2025 fosslinux <fosslinux@aussies.space>
+
+SPDX-License-Identifier: Artistic-1.0
+
 Make mk_invlists work in 5.40.
 
 diff --git perl-5.42.0/regen/mk_invlists.pl perl-5.42.0/regen/mk_invlists.pl
diff --git a/steps/perl-5.42.0/patches/remove-machine-generated.patch b/steps/perl-5.42.0/patches/remove-machine-generated.patch
index b36c0af2..f888160c 100644
--- a/steps/perl-5.42.0/patches/remove-machine-generated.patch
+++ b/steps/perl-5.42.0/patches/remove-machine-generated.patch
@@ -1,3 +1,7 @@
+SPDX-FileCopyrightText: 2025 fosslinux <fosslinux@aussies.space>
+
+SPDX-License-Identifier: Artistic-1.0
+
 There is no way to regenerate this easily. It is merely a fallback for when the
 previous fails and it will not fail with our perl.