Change the project's website to http://noping.cc/ everywhere.

[liboping.git] / bindings / perl / Makefile.PL

diff --git a/bindings/perl/Makefile.PL b/bindings/perl/Makefile.PL
index 2d272a8..98f93d8 100644 (file)
--- a/bindings/perl/Makefile.PL
+++ b/bindings/perl/Makefile.PL
@@ -1,9 +1,21 @@
 use 5.006;
 use ExtUtils::MakeMaker;
+use Config (%Config);
 
 my @OPING_PREFIX = (qw(/opt/oping /usr /usr/local));
 my $OPING_PREFIX;
 
+my $OPING_CPPFLAGS;
+my $OPING_LDDLFLAGS;
+my $OPING_LIBS;
+my $OPING_DEPEND;
+
+# TOP_BUILDDIR is set by liboping's build system, so Net::Oping can link with
+# the yet uninstalled library.
+my $TOP_BUILDDIR;
+my $TARGET_LIBDIR;
+
+# Parse custom command line arguments.
 for (my $i = 0; $i < @ARGV; $i++)
 {
        if ($ARGV[$i] =~ m#^OPING_PREFIX=(.*[^/])#)
@@ -12,21 +24,74 @@ for (my $i = 0; $i < @ARGV; $i++)
                splice (@ARGV, $i, 1);
                $i--;
        }
+       elsif ($ARGV[$i] =~ m#^TOP_BUILDDIR=(.*[^/])#)
+       {
+               $TOP_BUILDDIR = $1;
+               # TOP_BUILDDIR is passed from bindings/, but we're currently in
+               # bindings/perl/. If it is a relative path, we need to add an
+               # extra `../' in order to compensate for this.
+               if ($TOP_BUILDDIR !~ m#^/#)
+               {
+                       $TOP_BUILDDIR = "../$TOP_BUILDDIR";
+               }
+               splice (@ARGV, $i, 1);
+               $i--;
+       }
+       elsif ($ARGV[$i] =~ m#^TARGET_LIBDIR=(.*[^/])#)
+       {
+               # Only save TARGET_LIBDIR if it's not a standard system library
+               # directory, such as /usr/lib.
+               if (!is_system_libdir ($1))
+               {
+                       $TARGET_LIBDIR = $1;
+               }
+               splice (@ARGV, $i, 1);
+               $i--;
+       }
+}
+
+if (!$TOP_BUILDDIR)
+{
+       for (my $i = 0; $i < @OPING_PREFIX; $i++)
+       {
+               if (!-e $OPING_PREFIX[$i] . '/include/oping.h')
+               {
+                       next;
+               }
+
+               $OPING_PREFIX = $OPING_PREFIX[$i];
+               print "Found <oping.h> in $OPING_PREFIX/include\n";
+               last;
+       }
 }
 
-for (my $i = 0; $i < @OPING_PREFIX; $i++)
+if ($TOP_BUILDDIR)
 {
-       if (!-e $OPING_PREFIX[$i] . '/include/oping.h')
+       # Use LDDLFLAGS here instead of LIBS, because:
+       #  1) We need to make sure our library path comes first (and no locally
+       #     installed version is used).
+       #  2) Prevent MakeMaker from stipping the -rpath option when the
+       #     library is to be installed in a non-standard path. Standard-paths
+       #     are read from $Config{'libsdirs'} above.
+       $OPING_CPPFLAGS = "-I$TOP_BUILDDIR/src";
+       $OPING_LDDLFLAGS = "-L$TOP_BUILDDIR/src/.libs " . $Config{'lddlflags'};
+       $OPING_LIBS = "-L$TOP_BUILDDIR/src/.libs -loping";
+
+       if ($TARGET_LIBDIR)
        {
-               next;
+               $OPING_LDDLFLAGS .= qq( -Wl,-rpath -Wl,"$TARGET_LIBDIR");
        }
 
-       $OPING_PREFIX = $OPING_PREFIX[$i];
-       print "Found <oping.h> in $OPING_PREFIX/include\n";
-       last;
+       $OPING_DEPEND = { 'Oping.o' => "$TOP_BUILDDIR/src/liboping.la" };
+}
+elsif ($OPING_PREFIX)
+{
+       # -rpath is automagically set in this case.
+       $OPING_CPPFLAGS = "-I$OPING_PREFIX/include";
+       $OPING_LIBS = "-L$OPING_PREFIX/lib -loping";
 }
 
-if (!$OPING_PREFIX)
+if (!$OPING_CPPFLAGS)
 {
        my $search_path = join (', ', @OPING_PREFIX);
        print STDERR <<EOF;
@@ -58,9 +123,24 @@ WriteMakefile(
     PREREQ_PM         => {},
     ($] >= 5.005
      ? (ABSTRACT_FROM => 'lib/Net/Oping.pm',
-        AUTHOR        => 'Florian Forster <octo@verplant.org>')
+        AUTHOR        => 'Florian Forster <ff@octo.it>')
      : ()),
-    LIBS              => ["-L$OPING_PREFIX/lib -loping"],
+    ($OPING_DEPEND ? (depend => $OPING_DEPEND) : ()),
+    LIBS              => [$OPING_LIBS],
+    ($OPING_LDDLFLAGS ? (LDDLFLAGS => "$OPING_LDDLFLAGS") : ()),
     DEFINE            => '',
-    INC               => "-I$OPING_PREFIX/include"
+    INC               => "$OPING_CPPFLAGS"
 );
+
+sub is_system_libdir
+{
+       my $path = shift;
+       for (split (' ', $Config{'libsdirs'}))
+       {
+               if ($path eq $_)
+               {
+                       return (1);
+               }
+       }
+       return;
+}