Makefile: add a target to run CGit through sparse

[cgit.git] / cgit.mk

diff --git a/cgit.mk b/cgit.mk
index 3b8b79acc7607b9452b7776f348b8d11e3c33a73..1b5030785897839477dfc750a0c1a2cb5f55b058 100644 (file)
--- a/cgit.mk
+++ b/cgit.mk
@@ -29,30 +29,18 @@ ifdef NO_LUA
        LUA_MESSAGE := linking 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
-       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)
-       CGIT_CFLAGS += $(LUAJIT_CFLAGS)
-else ifneq ($(strip $(LUA_LIBS)),)
-       LUA_MESSAGE := linking with autodetected Lua
+ifeq ($(LUA_PKGCONFIG),)
+       LUA_PKGCONFIG := $(shell for pc in luajit lua lua5.2 lua5.1; do \
+                       pkg-config --exists $$pc 2>/dev/null && echo $$pc && break; \
+                       done)
+       LUA_MODE := autodetected
+else
+       LUA_MODE := specified
+endif
+ifneq ($(LUA_PKGCONFIG),)
+       LUA_MESSAGE := linking with $(LUA_MODE) $(LUA_PKGCONFIG)
+       LUA_LIBS := $(shell pkg-config --libs $(LUA_PKGCONFIG) 2>/dev/null)
+       LUA_CFLAGS := $(shell pkg-config --cflags $(LUA_PKGCONFIG) 2>/dev/null)
        CGIT_LIBS += $(LUA_LIBS)
        CGIT_CFLAGS += $(LUA_CFLAGS)
 else
@@ -108,7 +96,7 @@ CGIT_OBJS := $(addprefix $(CGIT_PREFIX),$(CGIT_OBJ_NAMES))
 
 # Only cgit.c reference CGIT_VERSION so we only rebuild its objects when the
 # version changes.
-CGIT_VERSION_OBJS := $(addprefix $(CGIT_PREFIX),cgit.o)
+CGIT_VERSION_OBJS := $(addprefix $(CGIT_PREFIX),cgit.o cgit.sp)
 $(CGIT_VERSION_OBJS): $(CGIT_PREFIX)VERSION
 $(CGIT_VERSION_OBJS): EXTRA_CPPFLAGS = \
        -DCGIT_VERSION='"$(CGIT_VERSION)"'
@@ -141,3 +129,10 @@ $(CGIT_OBJS): %.o: %.c GIT-CFLAGS $(CGIT_PREFIX)CGIT-CFLAGS $(missing_dep_dirs)
 $(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)
+
+CGIT_SP_OBJS := $(patsubst %.o,%.sp,$(CGIT_OBJS))
+
+$(CGIT_SP_OBJS): %.sp: %.c GIT-CFLAGS $(CGIT_PREFIX)CGIT-CFLAGS FORCE
+       $(QUIET_SP)cgcc -no-compile $(ALL_CFLAGS) $(EXTRA_CPPFLAGS) $(CGIT_CFLAGS) $(SPARSE_FLAGS) $<
+
+cgit-sparse: $(CGIT_SP_OBJS)