X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/f43b228d0bca5791be98ff3fbb2f8743219635b6..d6e9200cc35411f3f27426b608bcfdef9348e6d3:/cgit.mk

diff --git a/cgit.mk b/cgit.mk
index 25f2eab..056c3f9 100644
--- a/cgit.mk
+++ b/cgit.mk
@@ -26,22 +26,47 @@ ifdef NO_C99_FORMAT
 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
@@ -106,4 +131,5 @@ $(CGIT_OBJS): %.o: %.c GIT-CFLAGS $(CGIT_PREFIX)CGIT-CFLAGS $(missing_dep_dirs)
 	$(QUIET_CC)$(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)