2 files changed, 91 insertions, 0 deletions
diff --git a/debhelper/Debian/Debhelper/Buildsystem/pgxs.pm b/debhelper/Debian/Debhelper/Buildsystem/pgxs.pm
new file mode 100644
index 0000000..f1270ea
--- /dev/null
+++ b/debhelper/Debian/Debhelper/Buildsystem/pgxs.pm
@@ -0,0 +1,58 @@
+# A debhelper build system class for building PostgreSQL extension modules using PGXS
+#
+# Per PostgreSQL major version, a `build-$version` subdirectory is created.
+#
+# Copyright: © 2020 Christoph Berg
+# License: GPL-2+
+
+package Debian::Debhelper::Buildsystem::pgxs;
+
+use strict;
+use warnings;
+use parent qw(Debian::Debhelper::Buildsystem);
+use Cwd;
+use Debian::Debhelper::Dh_Lib;
+use Debian::Debhelper::pgxs;
+
+sub DESCRIPTION {
+    "PGXS (PostgreSQL extensions), building in subdirectory per PostgreSQL version"
+}
+
+sub check_auto_buildable {
+    my $this=shift;
+    unless (-e $this->get_sourcepath("debian/pgversions")) {
+        error("debian/pgversions is required to build with PGXS");
+    }
+    return (-e $this->get_sourcepath("Makefile")) ? 1 : 0;
+}
+
+sub new {
+    my $class=shift;
+    my $this=$class->SUPER::new(@_);
+    $this->enforce_in_source_building();
+    return $this;
+}
+
+sub build {
+    my $this=shift;
+    $this->doit_in_sourcedir(qw(pg_buildext build build-%v));
+}
+
+sub install {
+    my $this=shift;
+    my $pattern = package_pattern();
+    $this->doit_in_sourcedir(qw(pg_buildext install build-%v), $pattern);
+}
+
+sub test {
+    my $this=shift;
+    verbose_print("Postponing tests to install stage");
+}
+
+sub clean {
+    my $this=shift;
+    my $pattern = package_pattern();
+    $this->doit_in_sourcedir(qw(pg_buildext clean build-%v), $pattern);
+}
+
+1;
diff --git a/debhelper/Debian/Debhelper/Buildsystem/pgxs_loop.pm b/debhelper/Debian/Debhelper/Buildsystem/pgxs_loop.pm
new file mode 100644
index 0000000..716bcbf
--- /dev/null
+++ b/debhelper/Debian/Debhelper/Buildsystem/pgxs_loop.pm
@@ -0,0 +1,33 @@
+# A debhelper build system class for building PostgreSQL extension modules using PGXS
+#
+# For packages not supporting building in subdirectories, the pgxs_loop variant builds
+# for each PostgreSQL major version in turn in the top-level directory.
+#
+# Copyright: © 2020 Christoph Berg
+# License: GPL-2+
+
+package Debian::Debhelper::Buildsystem::pgxs_loop;
+
+use strict;
+use warnings;
+use parent qw(Debian::Debhelper::Buildsystem::pgxs);
+use Cwd;
+use Debian::Debhelper::Dh_Lib;
+use Debian::Debhelper::pgxs;
+
+sub DESCRIPTION {
+    "PGXS (PostgreSQL extensions), building for each PostgreSQL version in top level directory"
+}
+
+sub build {
+    my $this=shift;
+    verbose_print("Postponing build to install stage; if this package supports out-of-tree builds, replace --buildsystem=pgxs_loop by --buildsystem=pgxs to build in the build stage");
+}
+
+sub install {
+    my $this=shift;
+    my $pattern = package_pattern();
+    $this->doit_in_sourcedir(qw(pg_buildext loop), $pattern);
+}
+
+1;