diff --git a/src/ltc/encauth/ocb3/ocb3_add_aad.c b/src/ltc/encauth/ocb3/ocb3_add_aad.c
old file mode 100755
new file mode 100644
index 70e3211..70e3211 100644
diff --git a/src/ltc/encauth/ocb3/ocb3_decrypt.c b/src/ltc/encauth/ocb3/ocb3_decrypt.c
old file mode 100755
new file mode 100644
index 4973bd2..4973bd2 100644
diff --git a/src/ltc/encauth/ocb3/ocb3_decrypt_last.c b/src/ltc/encauth/ocb3/ocb3_decrypt_last.c
old file mode 100755
new file mode 100644
index 70608dc..70608dc 100644
diff --git a/src/ltc/encauth/ocb3/ocb3_decrypt_verify_memory.c b/src/ltc/encauth/ocb3/ocb3_decrypt_verify_memory.c
old file mode 100755
new file mode 100644
index 066b62c..066b62c 100644
diff --git a/src/ltc/encauth/ocb3/ocb3_done.c b/src/ltc/encauth/ocb3/ocb3_done.c
old file mode 100755
new file mode 100644
index b913d3a..b913d3a 100644
diff --git a/src/ltc/encauth/ocb3/ocb3_encrypt.c b/src/ltc/encauth/ocb3/ocb3_encrypt.c
old file mode 100755
new file mode 100644
index 337b025..337b025 100644
diff --git a/src/ltc/encauth/ocb3/ocb3_encrypt_authenticate_memory.c b/src/ltc/encauth/ocb3/ocb3_encrypt_authenticate_memory.c
old file mode 100755
new file mode 100644
index efc1a8f..efc1a8f 100644
diff --git a/src/ltc/encauth/ocb3/ocb3_encrypt_last.c b/src/ltc/encauth/ocb3/ocb3_encrypt_last.c
old file mode 100755
new file mode 100644
index 8110a3c..8110a3c 100644
diff --git a/src/ltc/encauth/ocb3/ocb3_init.c b/src/ltc/encauth/ocb3/ocb3_init.c
old file mode 100755
new file mode 100644
index a3cabae..a3cabae 100644
diff --git a/src/ltc/encauth/ocb3/ocb3_int_ntz.c b/src/ltc/encauth/ocb3/ocb3_int_ntz.c
old file mode 100755
new file mode 100644
index 3c5b18d..3c5b18d 100644
diff --git a/src/ltc/encauth/ocb3/ocb3_int_xor_blocks.c b/src/ltc/encauth/ocb3/ocb3_int_xor_blocks.c
old file mode 100755
new file mode 100644
index 798bddc..798bddc 100644
diff --git a/src/ltc/pk/rsa/rsa_decrypt_key.c b/src/ltc/pk/rsa/rsa_decrypt_key.c
old file mode 100755
new file mode 100644
index 9e1bced..9e1bced 100644
diff --git a/src/ltc/pk/rsa/rsa_encrypt_key.c b/src/ltc/pk/rsa/rsa_encrypt_key.c
old file mode 100755
new file mode 100644
index ef066d2..ef066d2 100644
diff --git a/src/ltc/pk/rsa/rsa_export.c b/src/ltc/pk/rsa/rsa_export.c
old file mode 100755
new file mode 100644
index a9885de..a9885de 100644
diff --git a/src/ltc/pk/rsa/rsa_exptmod.c b/src/ltc/pk/rsa/rsa_exptmod.c
old file mode 100755
new file mode 100644
index 37f62d1..37f62d1 100644
diff --git a/src/ltc/pk/rsa/rsa_free.c b/src/ltc/pk/rsa/rsa_free.c
old file mode 100755
new file mode 100644
index 1e62f09..1e62f09 100644
diff --git a/src/ltc/pk/rsa/rsa_get_size.c b/src/ltc/pk/rsa/rsa_get_size.c
old file mode 100755
new file mode 100644
index 8c90194..8c90194 100644
diff --git a/src/ltc/pk/rsa/rsa_import.c b/src/ltc/pk/rsa/rsa_import.c
old file mode 100755
new file mode 100644
index 84cd6f6..84cd6f6 100644
diff --git a/src/ltc/pk/rsa/rsa_import_pkcs8.c b/src/ltc/pk/rsa/rsa_import_pkcs8.c
old file mode 100755
new file mode 100644
index 8e15e06..8e15e06 100644
diff --git a/src/ltc/pk/rsa/rsa_import_x509.c b/src/ltc/pk/rsa/rsa_import_x509.c
old file mode 100755
new file mode 100644
index 0f2d5f1..0f2d5f1 100644
diff --git a/src/ltc/pk/rsa/rsa_make_key.c b/src/ltc/pk/rsa/rsa_make_key.c
old file mode 100755
new file mode 100644
index c5c4c28..c5c4c28 100644
diff --git a/src/ltc/pk/rsa/rsa_sign_hash.c b/src/ltc/pk/rsa/rsa_sign_hash.c
old file mode 100755
new file mode 100644
index 05c7155..05c7155 100644
diff --git a/src/ltc/pk/rsa/rsa_sign_saltlen_get.c b/src/ltc/pk/rsa/rsa_sign_saltlen_get.c
old file mode 100755
new file mode 100644
index b217f94..b217f94 100644
diff --git a/src/ltc/pk/rsa/rsa_verify_hash.c b/src/ltc/pk/rsa/rsa_verify_hash.c
old file mode 100755
new file mode 100644
index b584696..b584696 100644
diff --git a/src/update-makefiles.pl b/src/update-makefiles.pl
old file mode 100644
new file mode 100755
index e478f58..6132977 100755
--- a/src/update-makefiles.pl
+++ b/src/update-makefiles.pl
@@ -4,13 +4,19 @@
 use File::Find qw(find);
 use File::Slurper qw(read_text write_text);
 use FindBin;
+
+warn "gonna chmod..\n";
+find({ wanted=>sub { system "chmod -x $_" if -f $_ && -x $_ && $_ =~ /\.(c|h)/ }, no_chdir=>1 }, "$FindBin::Bin/ltm", "$FindBin::Bin/ltc");
  
 my @objs = ();
+warn "gonna find ltc..\n";
 find({ wanted=>sub { push @objs, $_ if $_ =~ /\.c$/ && $_ !~ /tab\.c$/}, no_chdir=>1 }, "$FindBin::Bin/ltc");
+warn "gonna find ltm..\n";
 find({ wanted=>sub { push @objs, $_ if $_ =~ /\.c$/ }, no_chdir=>1 }, "$FindBin::Bin/ltm");
 
 my $o   = "OBJS=" . (join " ", map { s/\.c$/.o/r }   map { s!^.*/(ltm|ltc)/!$1/!r } @objs) =~ s/(.{80}) /$1 \\\n/gr;
 my $obj = "OBJS=" . (join " ", map { s/\.c$/.obj/r } map { s!^.*/(ltm|ltc)/!$1/!r } @objs) =~ s/(.{80}) /$1 \\\n/gr;
 
+warn "gonna write makefiles..\n";
 write_text("$FindBin::Bin/Makefile", read_text("$FindBin::Bin/Makefile") =~ s/OBJS=.+?\.o\n/$o\n/sr);
 write_text("$FindBin::Bin/Makefile.nmake", read_text("$FindBin::Bin/Makefile.nmake") =~ s/OBJS=.+?\.obj\n/$obj\n/sr);