X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/e83b51b4f6bd53efea0c772e6ecdf1c5605ca611..027e88a1a150cd468943cda3a4b8e6bd6e662376:/cgit.mk

diff --git a/cgit.mk b/cgit.mk
index 9d6dea8..deef9a7 100644
--- a/cgit.mk
+++ b/cgit.mk
@@ -25,6 +25,52 @@ ifdef NO_C99_FORMAT
 	CFLAGS += -DNO_C99_FORMAT
 endif
 
+nullstring :=
+fourspace := $(nullstring)    
+ifdef NO_LUA
+ 	$(info $(fourspace)* building without specified Lua support)
+	CGIT_CFLAGS += -DNO_LUA
+else
+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
+ 	$(info $(fourspace)* building 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
+ 	$(info $(fourspace)* building with selected Lua)
+	CGIT_LIBS += $(LUA_LIBS)
+	CGIT_LIBS += $(LUA_CFLAGS)
+else ifneq ($(strip $(LUAJIT_LIBS)),)
+ 	$(info $(fourspace)* building with autodetected LuaJIT)
+	CGIT_LIBS += $(LUAJIT_LIBS)
+	CGIT_CFLAGS += $(LUAJIT_CFLAGS)
+else ifneq ($(strip $(LUA_LIBS)),)
+ 	$(info $(fourspace)* building with autodetected Lua)
+	CGIT_LIBS += $(LUA_LIBS)
+	CGIT_CFLAGS += $(LUA_CFLAGS)
+else
+ 	$(info $(fourspace)* building without autodetected Lua support)
+	NO_LUA := YesPlease
+	CGIT_CFLAGS += -DNO_LUA
+endif
+
+endif
+
+# Add -ldl to linker flags on non-BSD systems.
+ifeq ($(findstring BSD,$(uname_S)),)
+	CGIT_LIBS += -ldl
+endif
+
+
 CGIT_OBJ_NAMES += cgit.o
 CGIT_OBJ_NAMES += cache.o
 CGIT_OBJ_NAMES += cmd.o
@@ -61,9 +107,6 @@ $(CGIT_VERSION_OBJS): $(CGIT_PREFIX)VERSION
 $(CGIT_VERSION_OBJS): EXTRA_CPPFLAGS = \
 	-DCGIT_VERSION='"$(CGIT_VERSION)"'
 
-CGIT_LIBS += -ldl
-
-
 # Git handles dependencies using ":=" so dependencies in CGIT_OBJ are not
 # handled by that and we must handle them ourselves.
 cgit_dep_files := $(foreach f,$(CGIT_OBJS),$(dir $f).depend/$(notdir $f).d)