Move stuff to top-level

This makes it easier to use with "git subtree".

1 files changed, 62 insertions, 0 deletions

diff --git a/programs.mk b/programs.mk
new file mode 100644
index 000000000..52e55598c
--- /dev/null
+++ b/programs.mk
@@ -0,0 +1,62 @@
+programs_list :=
+
+# Build a program with symbolic name $(1).  The program is defined by
+# various variables prefixed by ‘$(1)_’:
+#
+# - $(1)_DIR: the directory where the (non-installed) program will be
+#   placed.
+#
+# - $(1)_SOURCES: the source files of the program.
+#
+# - $(1)_LIBS: the symbolic names of libraries on which this program
+#   depends.
+#
+# - $(1)_LDFLAGS: additional linker flags.
+#
+# - $(1)_INSTALL_DIR: the directory where the program will be
+#   installed; defaults to $(bindir).
+define build-program =
+  _d := $$($(1)_DIR)
+  _srcs := $$(foreach src, $$($(1)_SOURCES), $$(src))
+  $(1)_OBJS := $$(addsuffix .o, $$(basename $$(_srcs)))
+  _libs := $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_PATH))
+  $(1)_PATH := $$(_d)/$(1)
+
+  $$($(1)_PATH): $$($(1)_OBJS) $$(_libs)
+	$(QUIET) $(CXX) -o $$@ $(GLOBAL_LDFLAGS) $$($(1)_OBJS) $$($(1)_LDFLAGS) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE))
+
+  $(1)_INSTALL_DIR ?= $$(bindir)
+  $(1)_INSTALL_PATH := $$($(1)_INSTALL_DIR)/$(1)
+
+  $$(eval $$(call create-dir,$$($(1)_INSTALL_DIR)))
+
+  install: $$($(1)_INSTALL_PATH)
+
+  ifeq ($(BUILD_SHARED_LIBS), 1)
+
+    _libs_final := $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_INSTALL_PATH))
+
+    $$($(1)_INSTALL_PATH): $$($(1)_OBJS) $$(_libs_final) | $$($(1)_INSTALL_DIR)
+	$(QUIET) $(CXX) -o $$@ $(GLOBAL_LDFLAGS) $$($(1)_OBJS) $$($(1)_LDFLAGS) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE_INSTALLED))
+
+  else
+
+    $$($(1)_INSTALL_PATH): $$($(1)_PATH) | $$($(1)_INSTALL_DIR)
+	install -t $$($(1)_INSTALL_DIR) $$<
+
+  endif
+
+  # Propagate CXXFLAGS to the individual object files.
+  $$(foreach obj, $$($(1)_OBJS), $$(eval $$(obj)_CXXFLAGS=$$($(1)_CXXFLAGS)))
+
+  # Make each object file depend on the common dependencies.
+  $$(foreach obj, $$($(1)_OBJS), $$(eval $$(obj): $$($(1)_COMMON_DEPS)))
+
+  # Include .dep files, if they exist.
+  $(1)_DEPS := $$(addsuffix .dep, $$(basename $$(_srcs)))
+  -include $$($(1)_DEPS)
+
+  programs_list += $$($(1)_PATH)
+  clean_files += $$($(1)_PATH) $$(_d)/*.o $$(_d)/*.dep $$($(1)_DEPS) $$($(1)_OBJS)
+  dist_files += $$(_srcs)
+endef