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# generic make rules for libreswan
# Targets needing the builddir should add:
#
# | $(builddir)
#
# as a soft/order-only dependency.
$(builddir):
mkdir -p $(builddir)
# script transforms
# Some Makefiles use $(buildir)/SCRIPT as the target while others use
# just SCRIPT. Accommodate both.
define transform_script
@echo 'IN' $< '->' $(builddir)/$(notdir $@)
${TRANSFORM_VARIABLES} < $< > $(builddir)/$(notdir $@).tmp
@if [ -x $< ]; then chmod +x $(builddir)/$(notdir $@).tmp; fi
@if [ "${PROGRAM}" = $(notdir $@) ]; then chmod +x $(builddir)/$(notdir $@).tmp; fi
mv $(builddir)/$(notdir $@).tmp $(builddir)/$(notdir $@)
endef
TRANSFORM_DEPS = \
$(top_srcdir)/mk/version.mk \
$(top_srcdir)/mk/config.mk \
$(wildcard $(top_srcdir)/Makefile.inc.local)
%: %.sh $(TRANSFORM_DEPS) | $(builddir)
$(transform_script)
%: %.in $(TRANSFORM_DEPS) | $(builddir)
$(transform_script)
%: %.pl $(TRANSFORM_DEPS) | $(builddir)
$(transform_script)
$(builddir)/%: %.sh $(TRANSFORM_DEPS) | $(builddir)
$(transform_script)
$(builddir)/%: %.in $(TRANSFORM_DEPS) | $(builddir)
$(transform_script)
$(builddir)/%: %.pl $(TRANSFORM_DEPS) | $(builddir)
$(transform_script)
# In addition to compiling the .c file to .o, generate a dependency
# file. Force all output to the build directory. $(basename
# $(notdir)) is an approximation of UNIX basename.
#
# -DHERE_FILENAME is because it is a pita to create a path from
# __FILE__ using a static C expression
#
# -MP: add a fake header target for when a header is deleted
# -MMD: only list user header files
# -MT: the target (otherwise $(builddir)/$(notdir $@) is used
# -MF: where to write the dependency
ifdef OBJS
.c.o:
$(CC) $(USERLAND_CFLAGS) \
$(USERLAND_INCLUDES) \
-DHERE_FILENAME='"$(patsubst /%,%,$(path_srcdir)/$(notdir $<))"' \
$(CFLAGS) \
-MF $(builddir)/$(basename $(notdir $@)).d \
-MP -MMD -MT $@ \
-o $(builddir)/$(notdir $@) \
-c $(abspath $<)
# Assume each source file has its own generated dependency file that
# is updated whenever the corresponding output is updated. Given
# these files, create an include file that includes them.
#
# Use := so it is evaluated immediately, using the context from
# parsing this file (and not later).
mk.depend.file := $(lastword $(MAKEFILE_LIST))
mk.depend.dependencies.file := $(builddir)/Makefile.depend.mk
$(mk.depend.dependencies.file): $(srcdir)/Makefile $(mk.depend.file) | $(builddir)
set -e ; \
for f in $(OBJS) ; do \
case $$f in \
*.c ) echo "-include \$$(builddir)/$$(basename $$f .c).d # $$f" ;; \
*.o ) echo "-include \$$(builddir)/$$(basename $$f .o).d # $$f" ;; \
* ) echo "# $$f ignored by Makefile.dep" ;; \
esac ; \
done > $@.tmp
mv $@.tmp $@
clean: mk.depend.clean
.PHONY: mk.depend.clean
mk.depend.clean:
rm -f $(mk.depend.dependencies.file)
rm -f $(builddir)/*.d
-include $(mk.depend.dependencies.file)
endif
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