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guix/gnu/packages/patches/intltool-perl-compatibility...

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This patch fixes a regex parsing compatibility issue with Perl 5.26.0.
It manifests during the configure phase of at-spi2-core like this:
------
Unescaped left brace in regex is illegal here in regex; marked by <-- HERE in m/^(.*)\${ <-- HERE ?([A-Z_]+)}?(.*)$/ at /gnu/store/...-intltool-0.51.0/bin/intltool-update line 1065.
------
Copied from Gentoo and MSYS2:
https://gitweb.gentoo.org/repo/gentoo.git/tree/dev-util/intltool/files/intltool-0.51.0-perl-5.26.patch?id=1105187fc65d8bf643e682fcef39620dcfd9326a
https://github.com/Alexpux/MSYS2-packages/blob/0d3f442553ae4fc8798e32cbf44c4252fa8f3c07/intltool/perl-5.22-compatibility.patch
#diff -ruN intltool-0.51.0.orig/intltool-update.in intltool-0.51.0/intltool-update.in
#--- intltool-0.51.0.orig/intltool-update.in 2017-06-28 00:47:20.889269294 +0200
#+++ intltool-0.51.0/intltool-update.in 2017-06-28 00:48:14.592271529 +0200
#@@ -1068,7 +1068,7 @@
# my $untouched = $1;
# my $sub = "";
# # Ignore recursive definitions of variables
#- $sub = $varhash{$2} if defined $varhash{$2} and $varhash{$2} !~ /\${?$2}?/;
#+ $sub = $varhash{$2} if defined $varhash{$2} and $varhash{$2} !~ /\$\{?$2}?/;
#
# return SubstituteVariable ("$untouched$sub$rest");
# }
--- intltool-0.51.0.orig/intltool-update.in 2015-03-09 02:39:54.000000000 +0100
+++ intltool-0.51.0.orig/intltool-update.in 2015-06-19 01:52:07.171228154 +0200
@@ -1062,7 +1062,7 @@
}
}
- if ($str =~ /^(.*)\${?([A-Z_]+)}?(.*)$/)
+ if ($str =~ /^(.*)\$\{?([A-Z_]+)}?(.*)$/)
{
my $rest = $3;
my $untouched = $1;
@@ -1068,7 +1068,7 @@
my $untouched = $1;
my $sub = "";
# Ignore recursive definitions of variables
- $sub = $varhash{$2} if defined $varhash{$2} and $varhash{$2} !~ /\${?$2}?/;
+ $sub = $varhash{$2} if defined $varhash{$2} and $varhash{$2} !~ /\$\{?$2}?/;
return SubstituteVariable ("$untouched$sub$rest");
}
@@ -1190,10 +1190,10 @@
$name =~ s/\(+$//g;
$version =~ s/\(+$//g;
- $varhash{"PACKAGE_NAME"} = $name if (not $name =~ /\${?AC_PACKAGE_NAME}?/);
- $varhash{"PACKAGE"} = $name if (not $name =~ /\${?PACKAGE}?/);
- $varhash{"PACKAGE_VERSION"} = $version if (not $name =~ /\${?AC_PACKAGE_VERSION}?/);
- $varhash{"VERSION"} = $version if (not $name =~ /\${?VERSION}?/);
+ $varhash{"PACKAGE_NAME"} = $name if (not $name =~ /\$\{?AC_PACKAGE_NAME}?/);
+ $varhash{"PACKAGE"} = $name if (not $name =~ /\$\{?PACKAGE}?/);
+ $varhash{"PACKAGE_VERSION"} = $version if (not $name =~ /\$\{?AC_PACKAGE_VERSION}?/);
+ $varhash{"VERSION"} = $version if (not $name =~ /\$\{?VERSION}?/);
}
if ($conf_source =~ /^AC_INIT\(([^,\)]+),([^,\)]+)[,]?([^,\)]+)?/m)
@@ -1219,11 +1219,11 @@
$version =~ s/\(+$//g;
$bugurl =~ s/\(+$//g if (defined $bugurl);
- $varhash{"PACKAGE_NAME"} = $name if (not $name =~ /\${?AC_PACKAGE_NAME}?/);
- $varhash{"PACKAGE"} = $name if (not $name =~ /\${?PACKAGE}?/);
- $varhash{"PACKAGE_VERSION"} = $version if (not $name =~ /\${?AC_PACKAGE_VERSION}?/);
- $varhash{"VERSION"} = $version if (not $name =~ /\${?VERSION}?/);
- $varhash{"PACKAGE_BUGREPORT"} = $bugurl if (defined $bugurl and not $bugurl =~ /\${?\w+}?/);
+ $varhash{"PACKAGE_NAME"} = $name if (not $name =~ /\$\{?AC_PACKAGE_NAME}?/);
+ $varhash{"PACKAGE"} = $name if (not $name =~ /\$\{?PACKAGE}?/);
+ $varhash{"PACKAGE_VERSION"} = $version if (not $name =~ /\$\{?AC_PACKAGE_VERSION}?/);
+ $varhash{"VERSION"} = $version if (not $name =~ /\$\{?VERSION}?/);
+ $varhash{"PACKAGE_BUGREPORT"} = $bugurl if (defined $bugurl and not $bugurl =~ /\$\{?\w+}?/);
}
# \s makes this not work, why?