4 files changed, 23 insertions, 11 deletions
diff --git a/mk/libraries.mk b/mk/libraries.mk
index 307e29b9d..e6ef2e3ec 100644
--- a/mk/libraries.mk
+++ b/mk/libraries.mk
@@ -125,7 +125,8 @@ define build-library
     $(1)_PATH := $$(_d)/$$($(1)_NAME).a
 
     $$($(1)_PATH): $$($(1)_OBJS) | $$(_d)/
-	$(trace-ar) $(AR) crs $$@ $$?
+	$(trace-ld) $(LD) -Ur -o $$(_d)/$$($(1)_NAME).o $$?
+	$(trace-ar) $(AR) crs $$@ $$(_d)/$$($(1)_NAME).o
 
     $(1)_LDFLAGS_USE += $$($(1)_PATH) $$($(1)_LDFLAGS)
 
diff --git a/mk/precompiled-headers.mk b/mk/precompiled-headers.mk
index 1a727ba1b..1c0452dc2 100644
--- a/mk/precompiled-headers.mk
+++ b/mk/precompiled-headers.mk
@@ -8,14 +8,14 @@ GCH = $(buildprefix)precompiled-headers.h.gch
 $(GCH): precompiled-headers.h
 	@rm -f $@
 	@mkdir -p "$(dir $@)"
-	$(trace-gen) $(CXX) -x c++-header -o $@ $< $(GLOBAL_CXXFLAGS)
+	$(trace-gen) $(CXX) -x c++-header -o $@ $< $(GLOBAL_CXXFLAGS) $(GCH_CXXFLAGS)
 
 PCH = $(buildprefix)precompiled-headers.h.pch
 
 $(PCH): precompiled-headers.h
 	@rm -f $@
 	@mkdir -p "$(dir $@)"
-	$(trace-gen) $(CXX) -x c++-header -o $@ $< $(GLOBAL_CXXFLAGS)
+	$(trace-gen) $(CXX) -x c++-header -o $@ $< $(GLOBAL_CXXFLAGS) $(GCH_CXXFLAGS)
 
 clean-files += $(GCH) $(PCH)
 
diff --git a/mk/programs.mk b/mk/programs.mk
index d93df4468..3fa9685c3 100644
--- a/mk/programs.mk
+++ b/mk/programs.mk
@@ -35,24 +35,28 @@ define build-program
 	$$(trace-ld) $(CXX) -o $$@ $$(LDFLAGS) $$(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)))
+  ifdef $(1)_INSTALL_DIR
 
-  install: $(DESTDIR)$$($(1)_INSTALL_PATH)
+    $(1)_INSTALL_PATH := $$($(1)_INSTALL_DIR)/$(1)
 
-  ifeq ($(BUILD_SHARED_LIBS), 1)
+    $$(eval $$(call create-dir, $$($(1)_INSTALL_DIR)))
 
-    _libs_final := $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_INSTALL_PATH))
+    install: $(DESTDIR)$$($(1)_INSTALL_PATH)
 
-    $(DESTDIR)$$($(1)_INSTALL_PATH): $$($(1)_OBJS) $$(_libs_final) | $(DESTDIR)$$($(1)_INSTALL_DIR)/
+    ifeq ($(BUILD_SHARED_LIBS), 1)
+
+      _libs_final := $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_INSTALL_PATH))
+
+      $(DESTDIR)$$($(1)_INSTALL_PATH): $$($(1)_OBJS) $$(_libs_final) | $(DESTDIR)$$($(1)_INSTALL_DIR)/
 	$$(trace-ld) $(CXX) -o $$@ $$(LDFLAGS) $$(GLOBAL_LDFLAGS) $$($(1)_OBJS) $$($(1)_LDFLAGS) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE_INSTALLED))
 
-  else
+    else
 
-    $(DESTDIR)$$($(1)_INSTALL_PATH): $$($(1)_PATH) | $(DESTDIR)$$($(1)_INSTALL_DIR)/
+      $(DESTDIR)$$($(1)_INSTALL_PATH): $$($(1)_PATH) | $(DESTDIR)$$($(1)_INSTALL_DIR)/
 	install -t $(DESTDIR)$$($(1)_INSTALL_DIR) $$<
 
+    endif
   endif
 
   # Propagate CFLAGS and CXXFLAGS to the individual object files.
@@ -76,4 +80,10 @@ define build-program
   programs-list += $$($(1)_PATH)
   clean-files += $$($(1)_PATH) $$(_d)/*.o $$(_d)/.*.dep $$($(1)_DEPS) $$($(1)_OBJS)
   dist-files += $$(_srcs)
+
+  # Phony target to run this program (typically as a dependency of 'check').
+  .PHONY: $(1)_RUN
+  $(1)_RUN: $$($(1)_PATH)
+	$(trace-test) $$($(1)_PATH)
+
 endef
diff --git a/mk/tracing.mk b/mk/tracing.mk
index 13912d3c7..54c77ab60 100644
--- a/mk/tracing.mk
+++ b/mk/tracing.mk
@@ -11,6 +11,7 @@ ifeq ($(V), 0)
   trace-javac   = @echo "  JAVAC " $@;
   trace-jar     = @echo "  JAR   " $@;
   trace-mkdir   = @echo "  MKDIR " $@;
+  trace-test    = @echo "  TEST  " $@;
 
   suppress  = @