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[cgit.git] / cgit.mk

diff --git a/cgit.mk b/cgit.mk
index 25f2eabadc696f8f54230109639f4f6d0b0bf170..1b5030785897839477dfc750a0c1a2cb5f55b058 100644 (file)
--- a/cgit.mk
+++ b/cgit.mk
@@ -26,23 +26,44 @@ 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,$(LUA_IMPLEMENTATION))
-       CFLAGS += -llua
+ifeq ($(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
-       LUAJIT_LIBS := $(shell pkg-config --libs luajit)
-       LUAJIT_CFLAGS := $(shell pkg-config --cflags luajit)
-       CGIT_LIBS += $(LUAJIT_LIBS)
-       CFLAGS += $(LUAJIT_CFLAGS)
+       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
 
+# glibc 2.1+ offers sendfile which the most common C library on Linux
+ifeq ($(uname_S),Linux)
+       HAVE_LINUX_SENDFILE = YesPlease
+endif
 
+ifdef HAVE_LINUX_SENDFILE
+       CGIT_CFLAGS += -DHAVE_LINUX_SENDFILE
+endif
 
 CGIT_OBJ_NAMES += cgit.o
 CGIT_OBJ_NAMES += cache.o
@@ -75,7 +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)"'
@@ -106,4 +127,12 @@ $(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)
+
+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)