Split out extension finding code from buildext.pl into FindExt.pm

Use it to get Config.pm's idea of available extensions in line
with what is built.

p4raw-id: //depot/perlio@9604

5 files changed, 76 insertions, 25 deletions

diff --git a/MANIFEST b/MANIFEST
index e358010a65..b6dab2e8a0 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -1880,6 +1880,7 @@ win32/config_sh.PL	Perl code to update Win32 config.sh from Makefile
 win32/des_fcrypt.patch	Win32 port
 win32/distclean.bat	Remove _ALL_ files not listed here in MANIFEST
 win32/dl_win32.xs	Win32 port
+win32/FindExt.pm	Scan for extensions
 win32/genmk95.pl        Perl code to generate command.com-usable makefile.95
 win32/include/arpa/inet.h	Win32 port
 win32/include/dirent.h		Win32 port
diff --git a/win32/FindExt.pm b/win32/FindExt.pm
new file mode 100644
index 0000000000..ea5165f1c4
--- /dev/null
+++ b/win32/FindExt.pm
@@ -0,0 +1,62 @@
+package FindExt;
+use strict;
+use File::Find;
+use File::Basename;
+use Cwd;
+
+my $no = join('|',qw(DynaLoader GDBM_File ODBM_File NDBM_File DB_File Syslog Sysv));
+$no = qr/^(?:$no)$/i;
+
+my %ext;
+my $ext;
+sub scan_ext
+{
+ my $here = getcwd();
+ my $dir  = shift;
+ chdir($dir) || die "Cannot cd to $dir\n";
+ ($ext = getcwd()) =~ s,/,\\,g;
+ find(\&find_ext,'.');
+ chdir($here) || die "Cannot cd to $here\n";
+ my @ext = extensions();
+}
+
+sub dynamic_extensions
+{
+ return grep $ext{$_} eq 'dynamic',keys %ext;
+}
+
+sub noxs_extensions
+{
+ return grep $ext{$_} eq 'noxs',keys %ext;
+}
+
+sub extensions
+{
+ return keys %ext;
+}
+
+sub find_ext
+{
+ if (/^(.*)\.pm$/i || /^(.*)_pm.PL$/i)
+  {
+   my $name = $1;
+   return if $name =~ $no; 
+   my $dir = $File::Find::dir; 
+   $dir =~ s,./,,;
+   return if exists $ext{$dir};
+   return unless -f "$ext/$dir/Makefile.PL";
+   if ($dir =~ /$name$/i)
+    {
+     if (-f "$ext/$dir/$name.xs")
+      {
+       $ext{$dir} = 'dynamic'; 
+      }
+     else
+      {
+       $ext{$dir} = 'nonxs'; 
+      }
+    }
+  }
+}
+
+1;
diff --git a/win32/buildext.pl b/win32/buildext.pl
index 6e40bb9bf7..5800750e52 100644
--- a/win32/buildext.pl
+++ b/win32/buildext.pl
@@ -1,6 +1,6 @@
-use File::Find;
 use File::Basename;
 use Cwd;
+use FindExt;
 my $here = getcwd();
 my $perl = $^X;
 $here =~ s,/,\\,g;
@@ -15,12 +15,11 @@ my $dmod = -M $dep;
 my $dir  = shift;
 chdir($dir) || die "Cannot cd to $dir\n";
 (my $ext = getcwd()) =~ s,/,\\,g;
-my $no = join('|',qw(DynaLoader GDBM_File ODBM_File NDBM_File DB_File Syslog Sysv));
-$no = qr/^(?:$no)$/i;
-my %ext;
-find(\&find_xs,'.');
+FindExt::scan_ext($ext);
 
-foreach my $dir (sort keys %ext)
+my @ext = FindExt::extensions();
+
+foreach my $dir (sort @ext)
  {
   if (chdir("$ext\\$dir"))
    {
@@ -46,19 +45,3 @@ foreach my $dir (sort keys %ext)
    }
  }
 
-sub find_xs
-{
- if (/^(.*)\.pm$/i || /^(.*)_pm.PL$/i)
-  {
-   my $name = $1;
-   return if $name =~ $no; 
-   my $dir = $File::Find::dir; 
-   $dir =~ s,./,,;
-   return if exists $ext{$dir};
-   return unless -f "$ext/$dir/Makefile.PL";
-   if ($dir =~ /$name$/i)
-    {
-     $ext{$dir} = $name; 
-    }
-  }
-}
diff --git a/win32/config_sh.PL b/win32/config_sh.PL
index 0e1d351c1a..9757e52cac 100644
--- a/win32/config_sh.PL
+++ b/win32/config_sh.PL
@@ -1,3 +1,4 @@
+use FindExt;
 # take a semicolon separated path list and turn it into a quoted
 # list of paths that Text::Parsewords will grok
 sub mungepath {
@@ -33,13 +34,19 @@ sub loadopts {
     }
 }
 
+FindExt::scan_ext("../ext");
+
 my %opt;
+
 my $optref = loadopts();
 while (@{$optref} && $optref->[0] =~ /^([\w_]+)=(.*)$/) {
     $opt{$1}=$2;
     shift(@{$optref});
 }
 
+$opt{'dynamic_ext'} = join(' ',FindExt::dynamic_extensions());
+$opt{'nonxs_ext'}   = join(' ',FindExt::noxs_extensions());
+
 my $pl_h = '../patchlevel.h';
 
 if (-e $pl_h) {
diff --git a/win32/makefile.mk b/win32/makefile.mk
index 5333ce650c..25ec97de56 100644
--- a/win32/makefile.mk
+++ b/win32/makefile.mk
@@ -800,8 +800,6 @@ CFG_VARS	=					\
 		_o=$(o)	obj_ext=$(o)		~	\
 		_a=$(a)	lib_ext=$(a)		~	\
 		static_ext=$(STATIC_EXT)	~	\
-		dynamic_ext=$(DYNAMIC_EXT)	~	\
-		nonxs_ext=$(NONXS_EXT)		~	\
 		use5005threads=$(USE_5005THREADS)	~	\
 		useithreads=$(USE_ITHREADS)	~	\
 		usethreads=$(USE_5005THREADS)	~	\
@@ -902,7 +900,7 @@ config.w32 : $(CFGSH_TMPL)
 	-del /f config.h
 	copy $(CFGH_TMPL) config.h
 
-..\config.sh : config.w32 $(MINIPERL) config_sh.PL
+..\config.sh : config.w32 $(MINIPERL) config_sh.PL FindExt.pm
 	$(MINIPERL) -I..\lib config_sh.PL --cfgsh-option-file \
 	    $(mktmp $(CFG_VARS)) config.w32 > ..\config.sh