ui-shared: fix segfault when defbranch is NULL

[cgit.git] / cgit.mk

diff --git a/cgit.mk b/cgit.mk
index e1aed63a3adc9070fe61b5a514053dcbca541167..369f3099a9d0a28775eb618b1f2be362858354b0 100644 (file)
--- a/cgit.mk
+++ b/cgit.mk
@@ -5,6 +5,8 @@ include Makefile
 
 CGIT_PREFIX = ../
 
+-include $(CGIT_PREFIX)cgit.conf
+
 # The CGIT_* variables are inherited when this file is called from the
 # main Makefile - they are defined there.
 
@@ -19,14 +21,57 @@ CGIT_CFLAGS += -DCGIT_CONFIG='"$(CGIT_CONFIG)"'
 CGIT_CFLAGS += -DCGIT_SCRIPT_NAME='"$(CGIT_SCRIPT_NAME)"'
 CGIT_CFLAGS += -DCGIT_CACHE_ROOT='"$(CACHE_ROOT)"'
 
+PKG_CONFIG ?= pkg-config
+
 ifdef NO_C99_FORMAT
        CFLAGS += -DNO_C99_FORMAT
 endif
 
+ifdef NO_LUA
+       LUA_MESSAGE := linking without specified Lua support
+       CGIT_CFLAGS += -DNO_LUA
+else
+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 += $(LUA_CFLAGS)
+else
+       LUA_MESSAGE := linking without autodetected Lua support
+       NO_LUA := YesPlease
+       CGIT_CFLAGS += -DNO_LUA
+endif
+
+endif
+
+# Add -ldl to linker flags on non-BSD systems.
+ifeq ($(findstring BSD,$(uname_S)),)
+       CGIT_LIBS += -ldl
+endif
+
+# glibc 2.1+ offers sendfile which the most common C library on Linux
+ifeq ($(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
 CGIT_OBJ_NAMES += cmd.o
 CGIT_OBJ_NAMES += configfile.o
+CGIT_OBJ_NAMES += filter.o
 CGIT_OBJ_NAMES += html.o
 CGIT_OBJ_NAMES += parsing.o
 CGIT_OBJ_NAMES += scan-tree.o
@@ -48,17 +93,23 @@ CGIT_OBJ_NAMES += ui-stats.o
 CGIT_OBJ_NAMES += ui-summary.o
 CGIT_OBJ_NAMES += ui-tag.o
 CGIT_OBJ_NAMES += ui-tree.o
-CGIT_OBJ_NAMES += vector.o
 
 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)"'
 
+# 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)
+cgit_dep_files_present := $(wildcard $(cgit_dep_files))
+ifneq ($(cgit_dep_files_present),)
+include $(cgit_dep_files_present)
+endif
 
 ifeq ($(wildcard $(CGIT_PREFIX).depend),)
 missing_dep_dirs += $(CGIT_PREFIX).depend
@@ -78,4 +129,12 @@ $(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)
-       $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)
+       @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)