[OpenWrt-Devel] [PATCH 11/15] metadata: handle target build depends together with host build depends

[Matthias Schiffer]

Target build depends are similar to host build depends in that they refer
to source packages rather than binary packages. Therefore, it makes sense
to handle them together, rather than putting them in a list together with
runtime depends and trying to figure out if the entries refer to source or
to binary packages afterwards.

This does lead to PKG_BUILD_DEPENDS entries referring to binary package
names not working anymore, which requires some fixes in the package
repositories.

Signed-off-by: Matthias Schiffer <mschiffer at universe-factory.net>
---
 scripts/package-metadata.pl | 60 +++++++++++++++++++++------------------------
 1 file changed, 28 insertions(+), 32 deletions(-)

diff --git a/scripts/package-metadata.pl b/scripts/package-metadata.pl
index 9372191166..e492cc8a09 100755
--- a/scripts/package-metadata.pl
+++ b/scripts/package-metadata.pl
@@ -408,6 +408,7 @@ sub gen_package_mk() {
 		my $src = $srcpackage{$srcname};
 		my $variant_default;
 		my @srcdeps;
+		my %deplines = ('' => {});
 
 		foreach my $pkg (@{$src->{packages}}) {
 			next if defined $pkg->{vdepends};
@@ -441,19 +442,23 @@ sub gen_package_mk() {
 			print "buildtypes-$src->{path} = ".join(' ', @{$src->{buildtypes}})."\n";
 		}
 
-		foreach my $dep (@{$src->{builddepends}}, map { @{$_->{depends}} } @{$src->{packages}}) {
+		foreach my $dep (map { @{$_->{depends}} } @{$src->{packages}}) {
 			$dep =~ /@/ or do {
 				$dep =~ s/\+//g;
 				push @srcdeps, $dep;
 			};
 		}
-		foreach my $type (@{$src->{buildtypes}}) {
-			my @extra_deps;
-			my %deplines;
+		foreach my $type ('', @{$src->{buildtypes}}) {
+			my $suffix = '';
 
-			next unless $src->{"builddepends/$type"};
-			foreach my $dep (@{$src->{"builddepends/$type"}}) {
-				my $suffix = "";
+			$suffix = "/$type" if $type;
+
+			next unless $src->{"builddepends$suffix"};
+
+			defined $deplines{$suffix} or $deplines{$suffix} = {};
+
+			foreach my $dep (@{$src->{"builddepends$suffix"}}) {
+				my $depsuffix = "";
 				my $deptype = "";
 				my $condition;
 
@@ -464,37 +469,26 @@ sub gen_package_mk() {
 				if ($dep =~ /^(.+)\/(.+)/) {
 					$dep = $1;
 					$deptype = $2;
-					$suffix = "/$2";
+					$depsuffix = "/$2";
 				}
 
-				my $idx = "";
-				my $pkg_dep = $package{$dep};
-				if (defined($pkg_dep) && defined($pkg_dep->{src})) {
-					unless (!$deptype || grep { $_ eq $deptype } @{$pkg_dep->{src}->{buildtypes}}) {
-						warn sprintf "WARNING: Makefile '%s' has a %s build dependency on '%s/%s' but '%s' does not implement a '%s' build type\n",
-							$src->{makefile}, $type, $pkg_dep->{src}->{name}, $deptype, $pkg_dep->{src}->{makefile}, $deptype;
-						next;
-					}
-					$idx = $pkg_dep->{src}->{path};
-				} elsif (defined($srcpackage{$dep})) {
-					$idx = $srcpackage{$dep}->{path};
-				} else {
+				next if $srcname.$suffix eq $dep.$depsuffix;
+
+				my $src_dep = $srcpackage{$dep};
+				unless (defined($src_dep) && (!$deptype || grep { $_ eq $deptype } @{$src_dep->{buildtypes}})) {
+					warn sprintf "WARNING: Makefile '%s' has a build dependency on '%s%s', which does not exist\n",
+						$src->{makefile}, $dep, $depsuffix;
 					next;
 				}
-				my $depstr = "\$(curdir)/$idx$suffix/compile";
+
+				my $depstr = "\$(curdir)/$src_dep->{path}$depsuffix/compile";
 				my $depline = get_conditional_dep($condition, $depstr);
 				if ($depline) {
-					$deplines{$depline}++;
+					$deplines{$suffix}->{$depline}++;
 				}
 			}
-			my $depline = join(" ", sort keys %deplines);
-			if ($depline) {
-				$line .= "\$(curdir)/$src->{path}/$type/compile += $depline\n";
-			}
 		}
 
-		my $hasdeps = 0;
-		my %deplines;
 		foreach my $deps (@srcdeps) {
 			my $idx;
 			my $condition;
@@ -552,14 +546,16 @@ sub gen_package_mk() {
 					}
 					$depline = get_conditional_dep($condition, $depstr);
 					if ($depline) {
-						$deplines{$depline}++;
+						$deplines{''}->{$depline}++;
 					}
 				}
 			}
 		}
-		my $depline = join(" ", sort keys %deplines);
-		if ($depline) {
-			$line .= "\$(curdir)/$src->{path}/compile += $depline\n";
+		foreach my $suffix (sort keys %deplines) {
+			my $depline = join(" ", sort keys %{$deplines{$suffix}});
+			if ($depline) {
+				$line .= "\$(curdir)/$src->{path}$suffix/compile += $depline\n";
+			}
 		}
 	}
 
-- 
2.15.1
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