There's still a flaw with the conflict-detection in LWP's Makefile.PL that prevents /usr/bin/head from being overwritten by HEAD on Mac OS X. The problem is that MakeMaker uses $Config{installscript} as the installation location for EXE_FILES items, not $Config{sitebin} as was assumed in the code. Therefore the conflict never gets detected when those two paths are different.
The patch below is against LWP 5.69.
-Ken
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--- Makefile.PL-orig Fri Jul 11 10:03:30 2003
+++ Makefile.PL Fri Jul 11 10:08:46 2003
@@ -87,7 +87,7 @@
print <<EOT; This package comes with some sample programs that I can try
-to install in $Config{sitebin}.
+to install in $Config{installscript}. Note that you can avoid these questions by passing
the '-n' option to 'Makefile.PL'.
@@ -108,7 +108,7 @@
The lwp-request program will use the name it is invoked with to
determine what HTTP method to use. I can set up alias for the most
common HTTP methods. These alias are also installed in
-$Config{sitebin}.
+$Config{installscript}. EOT
my @tmp;
@@ -116,7 +116,7 @@
my $default = "y";
# check that we don't overwrite something unrelated with
# the current defaults.
- if (open(PROG, "<$Config{sitebin}/$alias")) {
+ if (open(PROG, "<$Config{installscript}/$alias")) {
$default = "n";
while (<PROG>) {
if (/lwp-request/) {
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