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|
########################################################################
# Copyright (C) 2021, 2022 Alejandro Colomar <alx@kernel.org>
# SPDX-License-Identifier: GPL-2.0 OR LGPL-2.0
########################################################################
ifndef MAKEFILE_BUILD_SRC_INCLUDED
MAKEFILE_BUILD_SRC_INCLUDED := 1
include $(srcdir)/lib/build.mk
include $(srcdir)/lib/cmd.mk
include $(srcdir)/lib/lint.mk
include $(srcdir)/lib/src.mk
include $(srcdir)/lib/verbose.mk
PKG-CONFIG_LIBS := libbsd-overlay
DEFAULT_CPPFLAGS := $(shell $(PKG-CONFIG) --cflags $(PKG-CONFIG_LIBS) $(HIDE_ERR))
EXTRA_CPPFLAGS :=
CPPFLAGS := $(DEFAULT_CPPFLAGS) $(EXTRA_CPPFLAGS)
DEFAULT_CFLAGS := -std=gnu17
DEFAULT_CFLAGS += -Wall
DEFAULT_CFLAGS += -Wextra
DEFAULT_CFLAGS += -Wstrict-prototypes
DEFAULT_CFLAGS += -Wdeclaration-after-statement
DEFAULT_CFLAGS += -Werror
DEFAULT_CFLAGS += -Wno-error=unused-parameter
DEFAULT_CFLAGS += -Wno-error=sign-compare
DEFAULT_CFLAGS += -Wno-error=format
DEFAULT_CFLAGS += -Wno-error=uninitialized
#DEFAULT_CFLAGS += -Wno-error=declaration-after-statement
EXTRA_CFLAGS :=
CFLAGS := $(DEFAULT_CFLAGS) $(EXTRA_CFLAGS)
DEFAULT_LDFLAGS := -Wl,--as-needed
DEFAULT_LDFLAGS += -Wl,--no-allow-shlib-undefined
DEFAULT_LDFLAGS += -Wl,--no-copy-dt-needed-entries
DEFAULT_LDFLAGS += -Wl,--no-undefined
DEFAULT_LDFLAGS += $(shell $(PKG-CONFIG) --libs-only-L $(PKG-CONFIG_LIBS) $(HIDE_ERR))
DEFAULT_LDFLAGS += $(shell $(PKG-CONFIG) --libs-only-other $(PKG-CONFIG_LIBS) $(HIDE_ERR))
EXTRA_LDFLAGS :=
LDFLAGS := $(DEFAULT_LDFLAGS) $(EXTRA_LDFLAGS)
DEFAULT_LDLIBS := -lc
DEFAULT_LDLIBS += $(shell $(PKG-CONFIG) --libs-only-l $(PKG-CONFIG_LIBS) $(HIDE_ERR))
EXTRA_LDLIBS :=
LDLIBS := $(DEFAULT_LDLIBS) $(EXTRA_LDLIBS)
CC := cc
LD := $(CC) $(CFLAGS)
MAN := man
_SRCPAGEDIRS := $(patsubst $(MANDIR)/%,$(_SRCDIR)/%.d,$(LINTMAN))
_UNITS_src_src := $(patsubst $(MANDIR)/%,$(_SRCDIR)/%,$(shell \
$(FIND) $(MANDIR)/man*/ -type f \
| $(GREP) '$(MANEXT)' \
| $(XARGS) $(GREP) -l '^\.TH ' \
| while read m; do \
<$$m \
$(SED) -n "s,^\... SRC BEGIN (\(.*.[ch]\))$$,$$m.d/\1,p"; \
done \
| $(SORT)))
_UNITS_src_h := $(filter %.h,$(_UNITS_src_src))
_UNITS_src_c := $(filter %.c,$(_UNITS_src_src))
_UNITS_src_o := $(patsubst %.c,%.o,$(_UNITS_src_c))
_UNITS_src_bin := $(patsubst %.c,%,$(_UNITS_src_c))
$(_SRCPAGEDIRS): $(_SRCDIR)/%.d: $(MANDIR)/% | $$(@D)/.
$(info MKDIR $@)
$(MKDIR) $@
touch $@
$(_UNITS_src_src): $$(patsubst $(_SRCDIR)/%.d,$(MANDIR)/%,$$(@D)) | $$(@D)
$(_UNITS_src_c): $$(filter $$(@D)/%.h,$(_UNITS_src_h))
$(_UNITS_src_src):
$(info SED $@)
<$< \
$(SED) -n \
-e '/^\.TH/,/^\.SH/{/^\.SH/!p}' \
-e '/^\.SH EXAMPLES/p' \
-e "/^\... SRC BEGIN ($(@F))$$/,/^\... SRC END$$/p" \
| $(MAN) -P cat -l - \
| $(SED) '/^[^ ]/d' \
| $(SED) 's/^ //' \
>$@
$(_UNITS_src_o): $(_SRCDIR)/%.o: $(_SRCDIR)/%.c
$(info CC $@)
$(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $<
$(_UNITS_src_bin): $(_SRCDIR)/%: $(_SRCDIR)/%.o
$(info LD $@)
$(LD) $(LDFLAGS) -o $@ $< $(LDLIBS)
.PHONY: build-src-c
build-src-c: $(_UNITS_src_c)
@:
.PHONY: build-src-cc
build-src-cc: $(_UNITS_src_o)
@:
.PHONY: build-src-ld
build-src-ld: $(_UNITS_src_bin)
@:
.PHONY: build-src
build-src: build-src-ld
endif # MAKEFILE_BUILD_SRC_INCLUDED
|
