Latest update.

2019-01-30 02:25:21 +09:00
parent 87e37412f8
commit afcfc266de
110 changed files with 2906 additions and 1475 deletions
@@ -0,0 +1,96 @@
+package platform::BASE;
+
+use strict;
+use warnings;
+use Carp;
+
+# Assume someone set @INC right before loading this module
+use configdata;
+
+# Globally defined "platform specific" extensions, available for uniformity
+sub depext      { '.d' }
+
+# Functions to convert internal file representations to platform specific
+# ones.  Note that these all depend on extension functions that MUST be
+# defined per platform.
+#
+# Currently known internal or semi-internal extensions are:
+#
+# .a            For libraries that are made static only.
+#               Internal libraries only.
+# .o            For object files.
+# .s, .S        Assembler files.  This is an actual extension on Unix
+# .res          Resource file.  This is an actual extension on Windows
+
+sub binname     { return $_[1] } # Name of executable binary
+sub dsoname     { return $_[1] } # Name of dynamic shared object (DSO)
+sub sharedname  { return __isshared($_[1]) ? $_[1] : undef } # Name of shared lib
+sub staticname  { return __base($_[1], '.a') } # Name of static lib
+
+# Convenience function to convert the shlib version to an acceptable part
+# of a file or directory name.
+sub shlib_version_as_filename { return $_[1] }
+
+# Convenience functions to convert the possible extension of an input file name
+sub bin         { return $_[0]->binname($_[1]) . $_[0]->binext() }
+sub dso         { return $_[0]->dsoname($_[1]) . $_[0]->dsoext() }
+sub sharedlib   { return __concat($_[0]->sharedname($_[1]), $_[0]->shlibext()) }
+sub staticlib   { return $_[0]->staticname($_[1]) . $_[0]->libext() }
+
+# More convenience functions for intermediary files
+sub def         { return __base($_[1], '.ld') . $_[0]->defext() }
+sub obj         { return __base($_[1], '.o') . $_[0]->objext() }
+sub res         { return __base($_[1], '.res') . $_[0]->resext() }
+sub dep         { return __base($_[1], '.o') . $_[0]->depext() } # <- objname
+sub asm         { return __base($_[1], '.S', '.s') . $_[0]->asmext() }
+
+# Another set of convenience functions for standard checks of certain
+# internal extensions and conversion from internal to platform specific
+# extension.  Note that the latter doesn't deal with libraries because
+# of ambivalence
+sub isdef       { return $_[1] =~ m|\.ld$|;   }
+sub isobj       { return $_[1] =~ m|\.o$|;    }
+sub isres       { return $_[1] =~ m|\.res$|;  }
+sub isasm       { return $_[1] =~ m|\.[Ss]$|; }
+sub convertext {
+    if ($_[0]->isdef($_[1]))    { return $_[0]->def($_[1]); }
+    if ($_[0]->isobj($_[1]))    { return $_[0]->obj($_[1]); }
+    if ($_[0]->isres($_[1]))    { return $_[0]->res($_[1]); }
+    if ($_[0]->isasm($_[1]))    { return $_[0]->asm($_[1]); }
+    return $_[1];
+}
+
+# Helpers ############################################################
+
+# __base EXPR, LIST
+# This returns the given path (EXPR) with the matching suffix from LIST stripped
+sub __base {
+    my $path = shift;
+    foreach (@_) {
+        if ($path =~ m|\Q${_}\E$|) {
+            return $`;
+        }
+    }
+    return $path;
+}
+
+# __isshared EXPR
+# EXPR is supposed to be a library name.  This will return true if that library
+# can be assumed to be a shared library, otherwise false
+sub __isshared {
+    return !($disabled{shared} || $_[0] =~ /\.a$/);
+}
+
+# __concat LIST
+# Returns the concatenation of all elements of LIST if none of them is
+# undefined.  If one of them is undefined, returns undef instead.
+sub __concat {
+    my $result = '';
+    foreach (@_) {
+        return undef unless defined $_;
+        $result .= $_;
+    }
+    return $result;
+}
+
+1;