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makefile: add quiet mode support

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Add quiet-by-default mode to Makefile, similar to libbpf Makefile in Linux
repo.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
This commit is contained in:
Andrii Nakryiko
2020-10-10 22:15:40 -07:00
committed by Andrii Nakryiko
parent b6dd2f2b7d
commit ecbd504994
1 changed files with 40 additions and 25 deletions
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65
src/Makefile
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@@ -1,5 +1,13 @@
# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
ifeq ($(V),1)
Q =
msg =
else
Q = @
msg = @printf ' %-8s %s%s\n' "$(1)" "$(notdir $(2))" "$(if $(3), $(3))";
endif
LIBBPF_VERSION := $(shell \
grep -oE '^LIBBPF_([0-9.]+)' libbpf.map | \
sort -rV | head -n1 | cut -d'_' -f2)
@@ -68,50 +76,54 @@ TAGS_PROG := $(if $(shell which etags 2>/dev/null),etags,ctags)
all: $(STATIC_LIBS) $(SHARED_LIBS) $(PC_FILE)
$(OBJDIR)/libbpf.a: $(STATIC_OBJS)
$(AR) rcs $@ $^
$(call msg,AR,$@)
$(Q)$(AR) rcs $@ $^
$(OBJDIR)/libbpf.so: $(OBJDIR)/libbpf.so.$(LIBBPF_MAJOR_VERSION)
ln -sf $(^F) $@
$(Q)ln -sf $(^F) $@
$(OBJDIR)/libbpf.so.$(LIBBPF_MAJOR_VERSION): $(OBJDIR)/libbpf.so.$(LIBBPF_VERSION)
ln -sf $(^F) $@
$(Q)ln -sf $(^F) $@
$(OBJDIR)/libbpf.so.$(LIBBPF_VERSION): $(SHARED_OBJS)
$(CC) -shared -Wl,--version-script=$(VERSION_SCRIPT) \
-Wl,-soname,libbpf.so.$(LIBBPF_MAJOR_VERSION) \
$^ $(ALL_LDFLAGS) -o $@
$(call msg,CC,$@)
$(Q)$(CC) -shared -Wl,--version-script=$(VERSION_SCRIPT) \
-Wl,-soname,libbpf.so.$(LIBBPF_MAJOR_VERSION) \
$^ $(ALL_LDFLAGS) -o $@
$(OBJDIR)/libbpf.pc:
sed -e "s|@PREFIX@|$(PREFIX)|" \
$(Q)sed -e "s|@PREFIX@|$(PREFIX)|" \
-e "s|@LIBDIR@|$(LIBDIR)|" \
-e "s|@VERSION@|$(LIBBPF_VERSION)|" \
< libbpf.pc.template > $@
$(STATIC_OBJDIR):
mkdir -p $(STATIC_OBJDIR)
$(SHARED_OBJDIR):
mkdir -p $(SHARED_OBJDIR)
$(STATIC_OBJDIR) $(SHARED_OBJDIR):
$(call msg,MKDIR,$@)
$(Q)mkdir -p $@
$(STATIC_OBJDIR)/%.o: %.c | $(STATIC_OBJDIR)
$(CC) $(ALL_CFLAGS) $(CPPFLAGS) -c $< -o $@
$(call msg,CC,$@)
$(Q)$(CC) $(ALL_CFLAGS) $(CPPFLAGS) -c $< -o $@
$(SHARED_OBJDIR)/%.o: %.c | $(SHARED_OBJDIR)
$(CC) $(ALL_CFLAGS) $(SHARED_CFLAGS) $(CPPFLAGS) -c $< -o $@
$(call msg,CC,$@)
$(Q)$(CC) $(ALL_CFLAGS) $(SHARED_CFLAGS) $(CPPFLAGS) -c $< -o $@
define do_install
if [ ! -d '$(DESTDIR)$2' ]; then \
$(call msg,INSTALL,$1)
$(Q)if [ ! -d '$(DESTDIR)$2' ]; then \
$(INSTALL) -d -m 755 '$(DESTDIR)$2'; \
fi; \
$(INSTALL) $1 $(if $3,-m $3,) '$(DESTDIR)$2'
fi;
$(Q)$(INSTALL) $1 $(if $3,-m $3,) '$(DESTDIR)$2'
endef
# Preserve symlinks at installation.
define do_s_install
if [ ! -d '$(DESTDIR)$2' ]; then \
$(call msg,INSTALL,$1)
$(Q)if [ ! -d '$(DESTDIR)$2' ]; then \
$(INSTALL) -d -m 755 '$(DESTDIR)$2'; \
fi; \
cp -fpR $1 '$(DESTDIR)$2'
fi;
$(Q)cp -fpR $1 '$(DESTDIR)$2'
endef
install: all install_headers install_pkgconfig
@@ -129,13 +141,16 @@ install_pkgconfig: $(PC_FILE)
$(call do_install,$(PC_FILE),$(LIBDIR)/pkgconfig,644)
clean:
rm -rf *.o *.a *.so *.so.* *.pc $(SHARED_OBJDIR) $(STATIC_OBJDIR)
$(call msg,CLEAN)
$(Q)rm -rf *.o *.a *.so *.so.* *.pc $(SHARED_OBJDIR) $(STATIC_OBJDIR)
.PHONY: cscope tags
cscope:
ls *.c *.h > cscope.files
cscope -b -q -f cscope.out
$(call msg,CSCOPE)
$(Q)ls *.c *.h > cscope.files
$(Q)cscope -b -q -f cscope.out
tags:
rm -f TAGS tags
ls *.c *.h | xargs $(TAGS_PROG) -a
$(call msg,CTAGS)
$(Q)rm -f TAGS tags
$(Q)ls *.c *.h | xargs $(TAGS_PROG) -a