X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/ec0624293b57ae07d6b2c32bae099d4f163e7e07..27da23d53ccce622bc51822f59df8def79b4df95:/lib/ExtUtils/xsubpp

diff --git a/lib/ExtUtils/xsubpp b/lib/ExtUtils/xsubpp
index 7ae8020..9be40e6 100755
--- a/lib/ExtUtils/xsubpp
+++ b/lib/ExtUtils/xsubpp
@@ -6,7 +6,7 @@ xsubpp - compiler to convert Perl XS code into C code
 
 =head1 SYNOPSIS
 
-B<xsubpp> [B<-v>] [B<-C++>] [B<-except>] [B<-s pattern>] [B<-prototypes>] [B<-noversioncheck>] [B<-nolinenumbers>] [B<-nooptimize>] [B<-typemap typemap>] ... file.xs
+B<xsubpp> [B<-v>] [B<-C++>] [B<-csuffix csuffix>] [B<-except>] [B<-s pattern>] [B<-prototypes>] [B<-noversioncheck>] [B<-nolinenumbers>] [B<-nooptimize>] [B<-typemap typemap>] ... file.xs
 
 =head1 DESCRIPTION
 
@@ -34,6 +34,12 @@ any makefiles generated by MakeMaker.
 
 Adds ``extern "C"'' to the C code.
 
+=item B<-csuffix csuffix>
+
+Set the suffix used for the generated C or C++ code.  Defaults to '.c'
+(even with B<-C++>), but some platforms might want to have e.g. '.cpp'.
+Don't forget the '.' from the front.
+
 =item B<-hiertype>
 
 Retains '::' in type names so that C++ hierachical types can be mapped.
@@ -126,7 +132,7 @@ if ($^O eq 'VMS') {
 
 $FH = 'File0000' ;
 
-$usage = "Usage: xsubpp [-v] [-C++] [-except] [-prototypes] [-noversioncheck] [-nolinenumbers] [-nooptimize] [-noinout] [-noargtypes] [-s pattern] [-typemap typemap]... file.xs\n";
+$usage = "Usage: xsubpp [-v] [-C++] [-csuffix csuffix] [-except] [-prototypes] [-noversioncheck] [-nolinenumbers] [-nooptimize] [-noinout] [-noargtypes] [-s pattern] [-typemap typemap]... file.xs\n";
 
 $proto_re = "[" . quotemeta('\$%&*@;[]') . "]" ;
 
@@ -141,12 +147,14 @@ $Fallback = 'PL_sv_undef';
 
 my $process_inout = 1;
 my $process_argtypes = 1;
+my $csuffix = '.c';
 
 SWITCH: while (@ARGV and $ARGV[0] =~ /^-./) {
     $flag = shift @ARGV;
     $flag =~ s/^-// ;
     $spat = quotemeta shift,	next SWITCH	if $flag eq 's';
     $cplusplus = 1,	next SWITCH	if $flag eq 'C++';
+    $csuffix   = shift,	next SWITCH	if $flag eq 'csuffix';
     $hiertype  = 1,	next SWITCH	if $flag eq 'hiertype';
     $WantPrototypes = 0, next SWITCH	if $flag eq 'noprototypes';
     $WantPrototypes = 1, next SWITCH	if $flag eq 'prototypes';
@@ -357,7 +365,7 @@ if ($WantLineNumbers) {
     }
 
     my $cfile = $filename;
-    $cfile =~ s/\.xs$/.c/i or $cfile .= ".c";
+    $cfile =~ s/\.xs$/$csuffix/i or $cfile .= $csuffix;
     tie(*PSEUDO_STDOUT, 'xsubpp::counter', $cfile);
     select PSEUDO_STDOUT;
 }
@@ -1059,6 +1067,7 @@ while (fetch_para()) {
     undef(%var_types);
     undef(%defaults);
     undef($class);
+    undef($externC);
     undef($static);
     undef($elipsis);
     undef($wantRETVAL) ;
@@ -1112,7 +1121,8 @@ while (fetch_para()) {
     blurt ("Error: Function definition too short '$ret_type'"), next PARAGRAPH
 	unless @line ;
 
-    $static = 1 if $ret_type =~ s/^static\s+//;
+    $externC = 1 if $ret_type =~ s/^extern "C"\s+//;
+    $static  = 1 if $ret_type =~ s/^static\s+//;
 
     $func_header = shift(@line);
     blurt ("Error: Cannot parse function definition from '$func_header'"), next PARAGRAPH
@@ -1251,8 +1261,11 @@ while (fetch_para()) {
 
     $xsreturn = 1 if $EXPLICIT_RETURN;
 
+    $externC = $externC ? qq[extern "C"] : "";
+
     # print function header
     print Q<<"EOF";
+#$externC
 #XS(XS_${Full_func_name}); /* prototype to pass -Wmissing-prototypes */
 #XS(XS_${Full_func_name})
 #[[