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# SPDX-License-Identifier: LGPL-2.1
# Utils
PWD := $(shell /bin/pwd)
GOBJ = $(notdir $(strip $@))
BASE1 = $(notdir $(strip $1))
BASE2 = $(notdir $(strip $2))
BASEPWD = $(notdir $(strip $(PWD)))
ifeq ($(VERBOSE),1)
Q =
S =
else
Q = @
S = -s
endif
# Use empty print_* macros if either SILENT or VERBOSE.
ifeq ($(findstring 1,$(SILENT)$(VERBOSE)),1)
print_compile =
print_app_build =
print_fpic_compile =
print_shared_lib_compile =
print_plugin_obj_compile =
print_plugin_build =
print_install =
print_uninstall =
print_gen =
print_update =
print_descend =
print_clean =
else
print_compile = echo ' COMPILE '$(GOBJ);
print_app_build = echo ' BUILD '$(GOBJ);
print_fpic_compile = echo ' COMPILE FPIC '$(GOBJ);
print_shared_lib_compile = echo ' COMPILE SHARED LIB '$(GOBJ);
print_plugin_obj_compile = echo ' COMPILE PLUGIN OBJ '$(GOBJ);
print_plugin_build = echo ' BUILD PLUGIN '$(GOBJ);
print_static_lib_build = echo ' BUILD STATIC LIB '$(GOBJ);
print_install = echo ' INSTALL '$1' to $(DESTDIR_SQ)$2';
print_uninstall = echo ' UNINSTALL $(DESTDIR_SQ)$1';
print_gen = echo ' GEN '$(GOBJ);
print_update = echo ' UPDATE '$(GOBJ);
print_descend = echo ' DESCEND '$(BASE1) $(BASE2);
print_clean = echo ' CLEAN '$(BASEPWD);
endif
do_fpic_compile = \
($(print_fpic_compile) \
$(CC) -c $(CPPFLAGS) $(CFLAGS) $(EXT) -fPIC $< -o $@)
do_compile = \
($(if $(GENERATE_PIC), $(do_fpic_compile), \
$(print_compile) \
$(CC) -c $(CPPFLAGS) $(CFLAGS) $(EXT) $< -o $@))
do_app_build = \
($(print_app_build) \
$(CC) $^ -rdynamic -o $@ $(LDFLAGS) $(CONFIG_LIBS) $(LIBS))
do_build_static_lib = \
($(print_static_lib_build) \
if [ -f $@ ]; then \
mv $@ $@.rm; $(RM) $@.rm; \
fi; \
$(AR) rcs $@ $^)
do_compile_shared_library = \
($(print_shared_lib_compile) \
$(CC) --shared $^ '-Wl,-soname,$(1),-rpath=$$ORIGIN' -o $@ $(LDFLAGS) $(LIBS))
do_compile_plugin_obj = \
($(print_plugin_obj_compile) \
$(CC) -c $(CPPFLAGS) $(CFLAGS) -fPIC -o $@ $<)
do_plugin_build = \
($(print_plugin_build) \
$(CC) $(CFLAGS) $(LDFLAGS) -shared -nostartfiles -o $@ $<)
do_compile_python_plugin_obj = \
($(print_plugin_obj_compile) \
$(CC) -c $(CPPFLAGS) $(CFLAGS) $(PYTHON_DIR_SQ) $(PYTHON_INCLUDES) -fPIC -o $@ $<)
do_python_plugin_build = \
($(print_plugin_build) \
$(CC) $< -shared $(LDFLAGS) $(PYTHON_LDFLAGS) -o $@)
do_clean = \
($(print_clean) \
$(RM) $1)
do_sample_build = \
$(Q)($(print_sample_build) \
$(CC) -o $1 $2 $(CFLAGS) $(LIBTRACEEVENT_STATIC) -ldl)
do_sample_obj = \
$(Q)($(print_sample_obj) \
$(CC) -g -Wall -c $(CFLAGS) -o $1 $2 -I../include/)
#
# Define a callable command for descending to a new directory
#
# Call by doing: $(call descend,directory[,target])
#
descend = \
($(print_descend) \
mkdir -p $(obj)/$(BASE1); \
$(MAKE) $(PRINT_DIR) bdir=$(obj)/$(BASE1) -C $(1) $(2))
descend_clean = \
$(MAKE) $(PRINT_DIR) bdir=$(obj)/$(BASE1) -C $(1) clean
define make_version.h
(echo '/* This file is automatically generated. Do not modify. */'; \
echo \#define VERSION_CODE $(shell \
expr $(VERSION) \* 256 + $(PATCHLEVEL)); \
echo '#define EXTRAVERSION ' $(EXTRAVERSION); \
echo '#define VERSION_STRING "'$(VERSION).$(PATCHLEVEL).$(EXTRAVERSION)'"'; \
echo '#define FILE_VERSION '$(FILE_VERSION); \
if [ -d $(src)/.git ]; then \
d=`git diff`; \
x=""; \
if [ ! -z "$$d" ]; then x="+"; fi; \
echo '#define VERSION_GIT "'$(shell \
git log -1 --pretty=format:"%H" 2>/dev/null)$$x'"'; \
else \
echo '#define VERSION_GIT "not-a-git-repo"'; \
fi \
) > $1
endef
define update_version.h
($(call make_version.h, $@.tmp); \
if [ -r $@ ] && cmp -s $@ $@.tmp; then \
rm -f $@.tmp; \
else \
$(print_update) \
mv -f $@.tmp $@; \
fi);
endef
define update_dir
(echo $1 > $@.tmp; \
if [ -r $@ ] && cmp -s $@ $@.tmp; then \
rm -f $@.tmp; \
else \
$(print_update) \
mv -f $@.tmp $@; \
fi);
endef
define build_prefix
(echo $1 > $@.tmp; \
if [ -r $@ ] && cmp -s $@ $@.tmp; then \
rm -f $@.tmp; \
else \
$(print_update) \
mv -f $@.tmp $@; \
fi);
endef
define do_install_mkdir
if [ ! -d '$(DESTDIR_SQ)$1' ]; then \
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \
fi
endef
define do_install
$(print_install) \
$(call do_install_mkdir,$2); \
$(INSTALL) $(if $3,-m $3,) $1 '$(DESTDIR_SQ)$2'
endef
define do_install_pkgconfig_file
if [ -n "${pkgconfig_dir}" ]; then \
$(call do_install,$(PKG_CONFIG_FILE),$(pkgconfig_dir),644); \
else \
(echo Failed to locate pkg-config directory) 1>&2; \
fi
endef
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