add garbage collection to avoid unused dependencies

Author: billphipps

benchmark/Makefile

@@ -47,7 +47,15 @@ CSTD 		?= -std=c90
 
 ASFLAGS		?= $(ARCHFLAGS)
 CFLAGS		?= $(ARCHFLAGS) $(CSTD) $(CFLAGS_EXTRA)
-LDFLAGS		?= $(ARCHFLAGS)
+LDFLAGS		?= $(ARCHFLAGS) 
+
+# Enable garbage collection.  Inexact handling of dead_strip
+OS_NAME := $(shell uname -s | tr A-Z a-z)
+ifeq ($(OS_NAME),darwin)
+	LDFLAGS += -Wl,-dead_strip
+else
+	LDFLAGS += -Wl,--gc-sections
+endif
 
 # LD: generate map
 #LDFLAGS += -Wl,-map,$(BUILD_DIR)/$(BIN).map

examples/posix/tcp/wh_client_tcp/Makefile

@@ -49,6 +49,14 @@ ASFLAGS 	?= $(ARCHFLAGS)
 CFLAGS 		?= $(ARCHFLAGS) $(CSTD) $(CFLAGS_EXTRA)
 LDFLAGS 	?= $(ARCHFLAGS)
 
+# Enable garbage collection.  Inexact handling of dead_strip
+OS_NAME := $(shell uname -s | tr A-Z a-z)
+ifeq ($(OS_NAME),darwin)
+	LDFLAGS += -Wl,-dead_strip
+else
+	LDFLAGS += -Wl,--gc-sections
+endif
+
 # LD: generate map
 #LDFLAGS += -Wl,-map,$(BUILD_DIR)/$(BIN).map
 #LDFLAGS += -Wl,-Map=$(BUILD_DIR)/$(BIN).map

examples/posix/tcp/wh_server_tcp/Makefile

@@ -40,6 +40,14 @@ CFLAGS_EXTRA ?= -Wextra
 CFLAGS ?= $(ARCHFLAGS) -Wno-cpp -std=c99 -Wall -Werror $(CFLAGS_EXTRA)
 LDFLAGS ?= $(ARCHFLAGS)
 
+# Enable garbage collection.  Inexact handling of dead_strip
+OS_NAME := $(shell uname -s | tr A-Z a-z)
+ifeq ($(OS_NAME),darwin)
+	LDFLAGS += -Wl,-dead_strip
+else
+	LDFLAGS += -Wl,--gc-sections
+endif
+
 # LD: generate map
 #LDFLAGS += -Wl,-map,$(BUILD_DIR)/$(BIN).map
 #LDFLAGS += -Wl,-Map=$(BUILD_DIR)/$(BIN).map

test/Makefile

@@ -45,7 +45,15 @@ CSTD 		?= -std=c90
 
 ASFLAGS		?= $(ARCHFLAGS)
 CFLAGS		?= $(ARCHFLAGS) $(CSTD) $(CFLAGS_EXTRA)
-LDFLAGS		?= $(ARCHFLAGS)
+LDFLAGS		?= $(ARCHFLAGS) 
+
+# Enable garbage collection.  Inexact handling of dead_strip
+OS_NAME := $(shell uname -s | tr A-Z a-z)
+ifeq ($(OS_NAME),darwin)
+	LDFLAGS += -Wl,-dead_strip
+else
+	LDFLAGS += -Wl,--gc-sections
+endif
 
 # LD: generate map
 #LDFLAGS += -Wl,-map,$(BUILD_DIR)/$(BIN).map