[OpenWrt-Devel] [PATCH 12/15] metadata: simplify generation of build depends from runtime depends

[Matthias Schiffer]

Runtime depends cannot have a buildtype suffix, and they never refer to
source package names. In addition, this adds warnings about unsatisfiable
dependencies.

Furthermore, this change fixes the generation of conditional build
dependencies for virtual packages provided by different source packages.

Signed-off-by: Matthias Schiffer <mschiffer at universe-factory.net>
---
 scripts/package-metadata.pl | 112 ++++++++++++++++----------------------------
 1 file changed, 41 insertions(+), 71 deletions(-)

diff --git a/scripts/package-metadata.pl b/scripts/package-metadata.pl
index e492cc8a09..980ad24dc0 100755
--- a/scripts/package-metadata.pl
+++ b/scripts/package-metadata.pl
@@ -399,18 +399,56 @@ sub get_conditional_dep($$) {
 }
 
 sub gen_package_mk() {
-	my %conf;
-	my %dep;
 	my $line;
 
 	parse_package_metadata($ARGV[0]) or exit 1;
 	foreach my $srcname (sort {uc($a) cmp uc($b)} keys %srcpackage) {
 		my $src = $srcpackage{$srcname};
 		my $variant_default;
-		my @srcdeps;
 		my %deplines = ('' => {});
 
 		foreach my $pkg (@{$src->{packages}}) {
+			foreach my $dep (@{$pkg->{depends}}) {
+				next if ($dep =~ /@/);
+
+				my $condition;
+
+				$dep =~ s/\+//g;
+				if ($dep =~ /^(.+):(.+)/) {
+					$condition = $1;
+					$dep = $2;
+				}
+
+				my $pkg_dep = $package{$dep};
+				unless (defined $pkg_dep) {
+					warn sprintf "WARNING: Makefile '%s' has a dependency on '%s', which does not exist\n",
+						$src->{makefile}, $dep;
+					next;
+				}
+
+				unless ($pkg_dep->{vdepends}) {
+					next if $srcname eq $pkg_dep->{src}->{name};
+
+					my $depstr = "\$(curdir)/$pkg_dep->{src}->{path}/compile";
+					my $depline = get_conditional_dep($condition, $depstr);
+					if ($depline) {
+						$deplines{''}->{$depline}++;
+					}
+					next;
+				}
+
+				foreach my $vdep (@{$pkg_dep->{vdepends}}) {
+					my $pkg_vdep = $package{$vdep};
+					next if $srcname eq $pkg_vdep->{src}->{name};
+
+					my $depstr = "\$(if \$(CONFIG_PACKAGE_$vdep),\$(curdir)/$pkg_vdep->{src}->{path}/compile)";
+					my $depline = get_conditional_dep($condition, $depstr);
+					if ($depline) {
+						$deplines{''}->{$depline}++;
+					}
+				}
+			}
+
 			next if defined $pkg->{vdepends};
 
 			my $config = '';
@@ -442,12 +480,6 @@ sub gen_package_mk() {
 			print "buildtypes-$src->{path} = ".join(' ', @{$src->{buildtypes}})."\n";
 		}
 
-		foreach my $dep (map { @{$_->{depends}} } @{$src->{packages}}) {
-			$dep =~ /@/ or do {
-				$dep =~ s/\+//g;
-				push @srcdeps, $dep;
-			};
-		}
 		foreach my $type ('', @{$src->{buildtypes}}) {
 			my $suffix = '';
 
@@ -489,68 +521,6 @@ sub gen_package_mk() {
 			}
 		}
 
-		foreach my $deps (@srcdeps) {
-			my $idx;
-			my $condition;
-			my $prefix = "";
-			my $suffix = "";
-			my $deptype = "";
-
-			if ($deps =~ /^(.+):(.+)/) {
-				$condition = $1;
-				$deps = $2;
-			}
-			if ($deps =~ /^(.+)\/(.+)/) {
-				$deps = $1;
-				$deptype = $2;
-				$suffix = "/$2";
-			}
-
-			my $pkg_dep = $package{$deps};
-			my @deps;
-
-			if ($pkg_dep->{vdepends}) {
-				@deps = @{$pkg_dep->{vdepends}};
-			} else {
-				@deps = ($deps);
-			}
-
-			foreach my $dep (@deps) {
-				$pkg_dep = $package{$deps};
-				if (defined $pkg_dep->{src}) {
-					unless (!$deptype || grep { $_ eq $deptype } @{$pkg_dep->{src}->{buildtypes}}) {
-						warn sprintf "WARNING: Makefile '%s' has a build dependency on '%s/%s' but '%s' does not implement a '%s' build type\n",
-							$src->{makefile}, $pkg_dep->{src}->{name}, $deptype, $pkg_dep->{src}->{makefile}, $deptype;
-						next;
-					}
-					$idx = $pkg_dep->{src}->{path};
-				} elsif (defined($srcpackage{$dep})) {
-					$idx = $srcpackage{$dep}->{path};
-				}
-
-				if ($idx) {
-					$idx .= $suffix;
-
-					my $depline;
-					next if $srcname eq $pkg_dep->{src}->{name}.$suffix;
-					next if $dep{$condition.":".$srcname."->".$idx};
-					next if $dep{$srcname."->($dep)".$idx} and $pkg_dep->{vdepends};
-					my $depstr;
-
-					if ($pkg_dep->{vdepends}) {
-						$depstr = "\$(if \$(CONFIG_PACKAGE_$dep),\$(curdir)/$idx/compile)";
-						$dep{$srcname."->($dep)".$idx} = 1;
-					} else {
-						$depstr = "\$(curdir)/$idx/compile";
-						$dep{$srcname."->".$idx} = 1;
-					}
-					$depline = get_conditional_dep($condition, $depstr);
-					if ($depline) {
-						$deplines{''}->{$depline}++;
-					}
-				}
-			}
-		}
 		foreach my $suffix (sort keys %deplines) {
 			my $depline = join(" ", sort keys %{$deplines{$suffix}});
 			if ($depline) {
-- 
2.15.1
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