Fix a variety of reproducibility issues

Include:
- Not regenerated man pages.
- Automake tarball with bad time (and completely useless).
- Ordering of files within tarballs.
- Resetting timestamp various fixes.
- Older tars not properly overwriting files leading to many issues.
- Weird lack of reproducibility in libtool scripts paths to tools.
- and more

sysa/libtool-2.2.4/libtool-2.2.4.sh

@@ -5,11 +5,20 @@
 checksum=7e6a1082a4785a7b58928865a40ed2c93940af54972a2dc30ff10185da97b491
 
 src_prepare() {
+    rm libltdl/config/ltmain.sh
+
+    rm doc/*.info
+
     ./bootstrap
 }
 
 src_configure() {
-    CC=tcc ./configure \
+    CC=tcc \
+        EGREP="/usr/bin/grep -E" \
+        FGREP="/usr/bin/grep -F" \
+        GREP="/usr/bin/grep" \
+        SED="/usr/bin/sed" \
+        ./configure \
         --prefix="${PREFIX}" \
         --libdir="${PREFIX}/lib/musl" \
         --disable-shared \