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-rw-r--r--mk/programs.mk57
1 files changed, 57 insertions, 0 deletions
diff --git a/mk/programs.mk b/mk/programs.mk
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index 000000000000..648a6053b4c2
--- /dev/null
+++ b/mk/programs.mk
@@ -0,0 +1,57 @@
+programs_list :=
+
+# Build a program with symbolic name $(1).  The program is defined by
+# various variables prefixed by ‘$(1)_’:
+#
+# - $(1)_DIR: the directory containing the sources of the program, and
+#   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, $$($(1)_SOURCES), $$(_d)/$$(src))
+  $(1)_OBJS := $$(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)))
+
+  include $$(wildcard $$(_d)/*.dep)
+
+  programs_list += $$($(1)_PATH)
+  clean_files += $$($(1)_PATH) $$(_d)/*.o $$(_d)/*.dep
+  dist_files += $$(_srcs)
+endef