endif
ifdef NO_LUA
- CFLAGS += -DNO_LUA
+ LUA_MESSAGE := linking without specified Lua support
+ CGIT_CFLAGS += -DNO_LUA
else
-
-ifeq (VANILLA,$(LUA_IMPLEMENTATION))
- CFLAGS += -llua
-else
- LUAJIT_LIBS := $(shell pkg-config --libs luajit)
- LUAJIT_CFLAGS := $(shell pkg-config --cflags luajit)
+LUAJIT_CFLAGS := $(shell pkg-config --cflags luajit 2>/dev/null)
+LUAJIT_LIBS := $(shell pkg-config --libs luajit 2>/dev/null)
+LUA_LIBS := $(shell pkg-config --libs lua 2>/dev/null)
+LUA_CFLAGS := $(shell pkg-config --cflags lua 2>/dev/null)
+ifeq (JIT,$(LUA_IMPLEMENTATION))
+ ifeq ($(strip $(LUAJIT_LIBS)),)
+ $(error LuaJIT specified via LUA_IMPLEMENTATION=JIT, but library could not be found.)
+ endif
+ LUA_MESSAGE := linking with selected LuaJIT
+ CGIT_LIBS += $(LUAJIT_LIBS)
+ CGIT_CFLAGS += $(LUAJIT_CFLAGS)
+else ifeq (VANILLA,$(LUA_IMPLEMENTATION))
+ ifeq ($(strip $(LUA_LIBS)),)
+ $(error Lua specified via LUA_IMPLEMENTATION=VANILLA, but library could not be found.)
+ endif
+ LUA_MESSAGE := linking with selected Lua
+ CGIT_LIBS += $(LUA_LIBS)
+ CGIT_LIBS += $(LUA_CFLAGS)
+else ifneq ($(strip $(LUAJIT_LIBS)),)
+ LUA_MESSAGE := linking with autodetected LuaJIT
CGIT_LIBS += $(LUAJIT_LIBS)
- CFLAGS += $(LUAJIT_CFLAGS)
+ CGIT_CFLAGS += $(LUAJIT_CFLAGS)
+else ifneq ($(strip $(LUA_LIBS)),)
+ LUA_MESSAGE := linking with autodetected Lua
+ CGIT_LIBS += $(LUA_LIBS)
+ CGIT_CFLAGS += $(LUA_CFLAGS)
+else
+ LUA_MESSAGE := linking without autodetected Lua support
+ NO_LUA := YesPlease
+ CGIT_CFLAGS += -DNO_LUA
endif
endif
-CGIT_LIBS += -ldl
-
+# Add -ldl to linker flags on non-BSD systems.
+ifeq ($(findstring BSD,$(uname_S)),)
+ CGIT_LIBS += -ldl
+endif
CGIT_OBJ_NAMES += cgit.o
$(QUIET_CC)$(CC) -o $*.o -c $(dep_args) $(ALL_CFLAGS) $(EXTRA_CPPFLAGS) $(CGIT_CFLAGS) $<
$(CGIT_PREFIX)cgit: $(CGIT_OBJS) GIT-LDFLAGS $(GITLIBS)
+ @echo 1>&1 " * $(LUA_MESSAGE)"
$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS) $(CGIT_LIBS)