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44ccae4227
This breaks compat with the previous LUA_IMPLEMENTATION but gives more flexibility in that user can specify the pkg-config package name directly. Signed-off-by: Natanael Copa <ncopa@alpinelinux.org>
132 lines
4.0 KiB
Makefile
132 lines
4.0 KiB
Makefile
# This Makefile is run in the "git" directory in order to re-use Git's
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# build variables and operating system detection. Hence all files in
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# CGit's directory must be prefixed with "../".
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include Makefile
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CGIT_PREFIX = ../
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-include $(CGIT_PREFIX)cgit.conf
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# The CGIT_* variables are inherited when this file is called from the
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# main Makefile - they are defined there.
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$(CGIT_PREFIX)VERSION: force-version
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@cd $(CGIT_PREFIX) && '$(SHELL_PATH_SQ)' ./gen-version.sh "$(CGIT_VERSION)"
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-include $(CGIT_PREFIX)VERSION
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.PHONY: force-version
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# CGIT_CFLAGS is a separate variable so that we can track it separately
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# and avoid rebuilding all of Git when these variables change.
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CGIT_CFLAGS += -DCGIT_CONFIG='"$(CGIT_CONFIG)"'
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CGIT_CFLAGS += -DCGIT_SCRIPT_NAME='"$(CGIT_SCRIPT_NAME)"'
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CGIT_CFLAGS += -DCGIT_CACHE_ROOT='"$(CACHE_ROOT)"'
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ifdef NO_C99_FORMAT
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CFLAGS += -DNO_C99_FORMAT
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endif
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ifdef NO_LUA
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LUA_MESSAGE := linking without specified Lua support
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CGIT_CFLAGS += -DNO_LUA
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else
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ifeq ($(LUA_PKGCONFIG),)
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LUA_PKGCONFIG := $(shell for pc in luajit lua lua5.2 lua5.1; do \
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pkg-config --exists $$pc && echo $$pc && break; \
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done)
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LUA_MODE := autodetected
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else
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LUA_MODE := specified
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endif
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ifneq ($(LUA_PKGCONFIG),)
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LUA_MESSAGE := linking with $(LUA_MODE) $(LUA_PKGCONFIG)
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LUA_LIBS := $(shell pkg-config --libs $(LUA_PKGCONFIG) 2>/dev/null)
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LUA_CFLAGS := $(shell pkg-config --cflags $(LUA_PKGCONFIG) 2>/dev/null)
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CGIT_LIBS += $(LUA_LIBS)
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CGIT_CFLAGS += $(LUA_CFLAGS)
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else
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LUA_MESSAGE := linking without autodetected Lua support
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NO_LUA := YesPlease
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CGIT_CFLAGS += -DNO_LUA
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endif
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endif
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# Add -ldl to linker flags on non-BSD systems.
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ifeq ($(findstring BSD,$(uname_S)),)
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CGIT_LIBS += -ldl
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endif
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# glibc 2.1+ offers sendfile which the most common C library on Linux
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ifeq ($(uname_S),Linux)
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HAVE_LINUX_SENDFILE = YesPlease
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endif
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ifdef HAVE_LINUX_SENDFILE
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CGIT_CFLAGS += -DHAVE_LINUX_SENDFILE
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endif
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CGIT_OBJ_NAMES += cgit.o
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CGIT_OBJ_NAMES += cache.o
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CGIT_OBJ_NAMES += cmd.o
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CGIT_OBJ_NAMES += configfile.o
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CGIT_OBJ_NAMES += filter.o
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CGIT_OBJ_NAMES += html.o
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CGIT_OBJ_NAMES += parsing.o
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CGIT_OBJ_NAMES += scan-tree.o
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CGIT_OBJ_NAMES += shared.o
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CGIT_OBJ_NAMES += ui-atom.o
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CGIT_OBJ_NAMES += ui-blob.o
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CGIT_OBJ_NAMES += ui-clone.o
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CGIT_OBJ_NAMES += ui-commit.o
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CGIT_OBJ_NAMES += ui-diff.o
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CGIT_OBJ_NAMES += ui-log.o
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CGIT_OBJ_NAMES += ui-patch.o
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CGIT_OBJ_NAMES += ui-plain.o
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CGIT_OBJ_NAMES += ui-refs.o
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CGIT_OBJ_NAMES += ui-repolist.o
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CGIT_OBJ_NAMES += ui-shared.o
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CGIT_OBJ_NAMES += ui-snapshot.o
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CGIT_OBJ_NAMES += ui-ssdiff.o
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CGIT_OBJ_NAMES += ui-stats.o
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CGIT_OBJ_NAMES += ui-summary.o
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CGIT_OBJ_NAMES += ui-tag.o
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CGIT_OBJ_NAMES += ui-tree.o
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CGIT_OBJS := $(addprefix $(CGIT_PREFIX),$(CGIT_OBJ_NAMES))
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# Only cgit.c reference CGIT_VERSION so we only rebuild its objects when the
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# version changes.
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CGIT_VERSION_OBJS := $(addprefix $(CGIT_PREFIX),cgit.o)
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$(CGIT_VERSION_OBJS): $(CGIT_PREFIX)VERSION
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$(CGIT_VERSION_OBJS): EXTRA_CPPFLAGS = \
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-DCGIT_VERSION='"$(CGIT_VERSION)"'
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# Git handles dependencies using ":=" so dependencies in CGIT_OBJ are not
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# handled by that and we must handle them ourselves.
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cgit_dep_files := $(foreach f,$(CGIT_OBJS),$(dir $f).depend/$(notdir $f).d)
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cgit_dep_files_present := $(wildcard $(cgit_dep_files))
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ifneq ($(cgit_dep_files_present),)
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include $(cgit_dep_files_present)
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endif
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ifeq ($(wildcard $(CGIT_PREFIX).depend),)
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missing_dep_dirs += $(CGIT_PREFIX).depend
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endif
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$(CGIT_PREFIX).depend:
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@mkdir -p $@
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$(CGIT_PREFIX)CGIT-CFLAGS: FORCE
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@FLAGS='$(subst ','\'',$(CGIT_CFLAGS))'; \
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if test x"$$FLAGS" != x"`cat ../CGIT-CFLAGS 2>/dev/null`" ; then \
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echo 1>&2 " * new CGit build flags"; \
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echo "$$FLAGS" >$(CGIT_PREFIX)CGIT-CFLAGS; \
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fi
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$(CGIT_OBJS): %.o: %.c GIT-CFLAGS $(CGIT_PREFIX)CGIT-CFLAGS $(missing_dep_dirs)
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$(QUIET_CC)$(CC) -o $*.o -c $(dep_args) $(ALL_CFLAGS) $(EXTRA_CPPFLAGS) $(CGIT_CFLAGS) $<
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$(CGIT_PREFIX)cgit: $(CGIT_OBJS) GIT-LDFLAGS $(GITLIBS)
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@echo 1>&1 " * $(LUA_MESSAGE)"
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$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS) $(CGIT_LIBS)
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