mirror of
https://github.com/rkd77/elinks.git
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083bce589c
Should hopefully fix problems with older make versions (3.79.1, 3.80, and 3.81beta3) reported by zas. Re-committed.
143 lines
3.7 KiB
Makefile
143 lines
3.7 KiB
Makefile
### The build commands and verbosity
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# If we are verbose, we will show commands prefixed by $(Q) (which acts as
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# @ in the non-verbose mode), and we will show the "real" cmds instead of
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# their quiet versions (which are used in the non-verbose mode).
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# Inspired by the Linux kernel build system.
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ifdef V
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Q =
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quiet =
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mquiet = masq_
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else
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Q = @
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quiet = quiet_
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mquiet = quiet_
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endif
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CURPATH = $(shell pwd)
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TOPPATH = $(shell cd $(path_to_top) && pwd)
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RELPATH = $(shell echo '$(CURPATH)' | sed 's,$(TOPPATH),,;s,^/,,;s,\([a-z0-9]\)$$,\1/,')
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# Show the command (quiet or non-quiet version based on the assignment
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# just above) and then execute it.
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ncmd = $(if $($(quiet)cmd_$(1)),echo $($(quiet)cmd_$(1)) &&) $(cmd_$(1))
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cmd = @$(if $($(quiet)cmd_$(1)),echo $($(quiet)cmd_$(1)) &&) $(cmd_$(1))
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mcmd = @$(if $($(mquiet)cmd_$(1)),echo $($(mquiet)cmd_$(1)) &&) $(cmd_$(1))
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quiet_cmd_compile = ' [CC] $(RELPATH)$<'
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masq_cmd_compile = $(COMPILE) -c $<
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cmd_compile = $(COMPILE) -Wp,-MD,.deps/$(*F).pp -c $<
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# Rule to compile a set of .o files into one .o file
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quiet_cmd_ld_objs = " [LD] $(RELPATH)$@"
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cmd_ld_objs = $(LD) -r -o $@ $(filter $(OBJS), $^)
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quiet_cmd_link = ' [LINK] $(RELPATH)$@'
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cmd_link = $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
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# Recursive make
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quiet_cmd_recmake = "[MAKE $$target] $(RELPATH)$$subdir"
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cmd_recmake = $(MAKE) -C $$subdir $$target
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quiet_cmd_installdata = " [INSTALL] $(RELPATH)$(2) -> $(3)"
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cmd_installdata = $(INSTALL_DATA) $(2) $(3)
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quiet_cmd_installprog = " [INSTALL] $(RELPATH)$(2) -> $(3)"
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cmd_installprog = $(INSTALL_PROGRAM) $(2) $(3)
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### Internal build rules
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DEP_FILES_1 = $(foreach src,$(OBJS),.deps/$(src))
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DEP_FILES = $(DEP_FILES_1:%.o=%.P)
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DEPS_MAGIC := $(shell mkdir .deps > /dev/null 2>&1 || :)
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ifdef OBJS
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-include $(DEP_FILES)
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endif
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%.o: %.c
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$(call mcmd,compile)
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@-cp .deps/$(*F).pp .deps/$(*F).P; \
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tr ' ' '\012' < .deps/$(*F).pp \
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| sed -e 's/^\\$$//' -e '/^$$/ d' -e '/:$$/ d' -e 's/$$/ :/' \
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>> .deps/$(*F).P; \
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rm .deps/$(*F).pp
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ifdef SUBDIRS-yes
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SUBDIRS += $(SUBDIRS-yes)
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endif
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ifdef OBJS-yes
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OBJS += $(OBJS-yes)
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endif
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ifdef SUBDIRS
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# Apparently wildcard won't expand *.o files so check if there are any *.c
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# files and use that to magically add the lib.o file of the subdirectory.
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subobjs := $(strip $(foreach subdir,$(sort $(filter-out src,$(SUBDIRS))), \
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$(if $(wildcard $(subdir)/*.c),$(subdir)/lib.o)))
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endif
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ifneq ($(subobjs),)
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OBJS += $(subobjs)
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endif
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ifdef OBJS
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lib.o: $(sort $(OBJS))
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$(call cmd,ld_objs)
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LIB_O = lib.o
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CLEAN += $(OBJS) $(LIB_O)
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endif
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CLEAN += $(PROG)
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all-default: $(LIB_O) $(PROGS) $(MAN1) $(MAN5)
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clean-default:
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-test -z "$(CLEAN)" || $(RM) $(CLEAN)
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install-default: all-default
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ifdef PROGS
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$(MKINSTALLDIRS) $(DESTDIR)$(bindir)
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$(foreach file,$(PROGS), \
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$(call ncmd,installprog,$(file),$(DESTDIR)$(bindir));)
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endif
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ifdef MAN1
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$(MKINSTALLDIRS) $(DESTDIR)$(mandir)/man1
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$(foreach file,$(MAN1), \
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$(call ncmd,installdata,$(file),$(DESTDIR)$(mandir)/man1);)
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endif
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ifdef MAN5
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$(MKINSTALLDIRS) $(DESTDIR)$(mandir)/man5
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$(foreach file,$(MAN5), \
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$(call ncmd,installdata,$(file),$(DESTDIR)$(mandir)/man5);)
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endif
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# Recursion:
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.PHONY: all-recursive install-recursive clean-recursive
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all-recursive install-recursive clean-recursive:
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ifdef SUBDIRS
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@target=`echo $@ | sed s/-recursive//`; \
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for subdir in $(sort $(SUBDIRS)); do \
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$(call ncmd,recmake) || exit 1; \
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done
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endif
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all: all-recursive all-default all-local
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install: install-recursive install-default install-local
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clean: clean-recursive clean-default clean-local
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all-local:
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install-local:
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clean-local:
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# Tell versions [3.59,3.63) of GNU make to not export all variables.
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# Otherwise a system limit (for SysV at least) may be exceeded.
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.NOEXPORT:
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# vim:syntax=make
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