- remove PREREQ_FATAL from Makefile.PL's processed by miniperl - update to latest Scalar-List-Utils (#507378) - perl-skip-prereq.patch: skip more prereq declarations in Makefile.PL files
142 lines
4.4 KiB
Diff
142 lines
4.4 KiB
Diff
commit 345d607e7958b7f31d5f0c780e86d1cc3e658d99
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Author: Niko Tyni <ntyni@debian.org>
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Date: Tue Apr 14 22:55:34 2009 +0300
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Squelch 'Constant subroutine ... undefined' warnings from .ph files
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As reported by Christopher Zimmermann in <http://bugs.debian.org/379757>,
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code generated from simple #undef directives by h2ph can cause
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'Constant subroutine ... undefined' warnings if the undefined
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function was eligible for inlining.
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(cherry picked from commit c0cc52e96e988526754ef533bd76595720660db2)
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commit 2d375d52dd1895b26a80209dd64a3c11b9e3b532
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Author: Niko Tyni <ntyni@debian.org>
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Date: Tue Apr 14 22:55:33 2009 +0300
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Add tests to verify that h2ph output compiles and is warning free
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The #include directives are #ifdef'd out so that running the
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resulting code does not actually need the headers. We still
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get the same effect from comparing with the expected h2ph output.
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(cherry picked from commit c1a2df7619e7315b8fccef3b9fa56bb8d7df3845)
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diff --git a/lib/h2ph.t b/lib/h2ph.t
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index 7b339b3..e303406 100755
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--- a/lib/h2ph.t
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+++ b/lib/h2ph.t
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@@ -15,7 +15,7 @@ if (!(-e $extracted_program)) {
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exit 0;
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}
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-print "1..2\n";
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+print "1..4\n";
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# quickly compare two text files
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sub txt_compare {
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@@ -32,6 +32,14 @@ print(($ok == 0 ? "" : "not "), "ok 1\n");
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$ok = txt_compare("lib/h2ph.ph", "lib/h2ph.pht");
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print(($ok == 0 ? "" : "not "), "ok 2\n");
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+# does the output compile?
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+$ok = system($^X, "-I../lib", "lib/h2ph.pht");
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+print(($ok == 0 ? "" : "not "), "ok 3\n");
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+
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+# is the output warning free?
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+$ok = system($^X, "-w", "-I../lib", "-e", '$SIG{__WARN__} = sub { die $_[0] }; require "lib/h2ph.pht"');
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+print(($ok == 0 ? "" : "not "), "ok 4\n");
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+
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# cleanup - should this be in an END block?
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unlink("lib/h2ph.ph");
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unlink("_h2ph_pre.ph");
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diff --git a/t/lib/h2ph.h b/t/lib/h2ph.h
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index 495789a..78429ca 100644
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--- a/t/lib/h2ph.h
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+++ b/t/lib/h2ph.h
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@@ -26,6 +26,10 @@
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#undef MAX
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#define MAX(a,b) ((a) > (b) ? (a) : (b))
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+/* Test #undef'ining an existing constant function */
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+#define NOTTRUE 0
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+#undef NOTTRUE
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+
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/* Test #ifdef */
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#ifdef __SOME_UNIMPORTANT_PROPERTY
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#define MIN(a,b) ((a) < (b) ? (a) : (b))
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@@ -68,9 +72,11 @@ function Tru64_Pascal(n: Integer): Integer;
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* with `use lib qw(/opt/perl5/lib/site_perl/i586-linux/linux);' or whatever
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* your equivalent is...
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*/
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+#if 0
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#include <sys/socket.h>
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#import "sys/ioctl.h"
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#include_next <sys/fcntl.h>
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+#endif
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/* typedefs should be ignored */
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typedef struct a_struct {
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diff --git a/t/lib/h2ph.pht b/t/lib/h2ph.pht
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index 145e682..3723fca 100644
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--- a/t/lib/h2ph.pht
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+++ b/t/lib/h2ph.pht
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@@ -1,6 +1,6 @@
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require '_h2ph_pre.ph';
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-no warnings 'redefine';
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+no warnings qw(redefine misc);
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unless(defined(&SQUARE)) {
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sub SQUARE {
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@@ -22,6 +22,8 @@ unless(defined(&_H2PH_H_)) {
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my($a,$b) = @_;
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eval q((($a) > ($b) ? ($a) : ($b)));
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}' unless defined(&MAX);
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+ eval 'sub NOTTRUE () {0;}' unless defined(&NOTTRUE);
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+ undef(&NOTTRUE) if defined(&NOTTRUE);
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if(defined(&__SOME_UNIMPORTANT_PROPERTY)) {
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eval 'sub MIN {
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my($a,$b) = @_;
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@@ -47,15 +49,17 @@ unless(defined(&_H2PH_H_)) {
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} else {
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eval 'sub WHATEVER () {1000;}' unless defined(&WHATEVER);
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}
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- require 'sys/socket.ph';
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- require 'sys/ioctl.ph';
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- eval {
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- my(@REM);
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- my(%INCD) = map { $INC{$_} => 1 } (grep { $_ eq "sys/fcntl.ph" } keys(%INC));
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- @REM = map { "$_/sys/fcntl.ph" } (grep { not exists($INCD{"$_/sys/fcntl.ph"}) and -f "$_/sys/fcntl.ph" } @INC);
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- require "$REM[0]" if @REM;
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- };
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- warn($@) if $@;
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+ if(0) {
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+ require 'sys/socket.ph';
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+ require 'sys/ioctl.ph';
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+ eval {
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+ my(@REM);
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+ my(%INCD) = map { $INC{$_} => 1 } (grep { $_ eq "sys/fcntl.ph" } keys(%INC));
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+ @REM = map { "$_/sys/fcntl.ph" } (grep { not exists($INCD{"$_/sys/fcntl.ph"}) and -f "$_/sys/fcntl.ph" } @INC);
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+ require "$REM[0]" if @REM;
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+ };
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+ warn($@) if $@;
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+ }
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eval("sub sun () { 0; }") unless defined(&sun);
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eval("sub mon () { 1; }") unless defined(&mon);
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eval("sub tue () { 2; }") unless defined(&tue);
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diff --git a/utils/h2ph.PL b/utils/h2ph.PL
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index 6f40126..4e99a7a 100644
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--- a/utils/h2ph.PL
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+++ b/utils/h2ph.PL
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@@ -123,7 +123,7 @@ while (defined (my $file = next_file())) {
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print OUT
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"require '_h2ph_pre.ph';\n\n",
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- "no warnings 'redefine';\n\n";
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+ "no warnings qw(redefine misc);\n\n";
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while (defined (local $_ = next_line($file))) {
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if (s/^\s*\#\s*//) {
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