Honour LDFLAGS to Make

Tools can now be statically linked with "make LDFLAGS=-static tool".

Makefile

@@ -2,6 +2,7 @@
 #
 # Define V=1 for more verbose compile.
 # Define S=1 for sanitation checks.
+# Define LDFLAGS=-static for statically linked tools.
 
 CFLAGS += -Wall -Iinclude
 
@@ -12,6 +13,8 @@ TOOL_CFLAGS += -fsanitize=address -fsanitize=leak -fsanitize=undefined \
  -fsanitize-address-use-after-scope -fstack-check
 endif
 
+TOOL_LDFLAGS += $(TOOL_CFLAGS) $(LDFLAGS)
+
 MODULE_LD := script/iop.ld
 # FIXME: -O0 -> -O2
 IOP_CFLAGS += -O0 -march=r3000 -EL -msoft-float -fomit-frame-pointer \
@@ -57,13 +60,13 @@ $(SYMTAB_C_SYM): $(MODULE_H_ALL)
  $(QUIET_GEN)$(IOPMOD_SYMC) -o $@ $(MODULE_H_ALL)
 
 $(IOPMOD_INFO): $(IOPMOD_INFO).o $(TOOL_LIB) $(SYMTAB_C_OBJ)
- $(QUIET_LINK)$(CC) $(TOOL_CFLAGS) -o $@ $^
+ $(QUIET_LINK)$(CC) $(TOOL_LDFLAGS) -o $@ $^
 
 $(IOPMOD_LINK): $(IOPMOD_LINK).o $(TOOL_LIB)
- $(QUIET_LINK)$(CC) $(TOOL_CFLAGS) -o $@ $^
+ $(QUIET_LINK)$(CC) $(TOOL_LDFLAGS) -o $@ $^
 
 $(IOPMOD_SYMC): $(IOPMOD_SYMC).o $(TOOL_LIB)
- $(QUIET_LINK)$(CC) $(TOOL_CFLAGS) -o $@ $^
+ $(QUIET_LINK)$(CC) $(TOOL_LDFLAGS) -o $@ $^
 
 $(TOOL_LIB): $(TOOL_C_OBJ)
  $(QUIET_AR)$(AR) rc $@ $^