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# Implicit rules are implemented in make as suffix rules. The following rule
# empties the suffix list to disable the predefined implicit rules. This
# increases performance and avoids hard-to-debug behaviour.
.SUFFIXES:
MAKEFLAGS += -Rr
CC := $(CC)
ifeq ($(strip $(CC)),)
CC := cc
endif
# where to install
PREFIX ?= /usr/local
libdir := $(PREFIX)/lib
includedir := $(PREFIX)/include
bindir := $(PREFIX)/bin
mandir := $(PREFIX)/man/man1
objects := osl.o util.o rbtree.o sha1.o sha3.o sha256.o
fsck_objects := fsck.o osl.o util.o rbtree.o sha1.o sha3.o sha256.o oslfsck.lsg.o
deps := $(sort $(objects:.o=.d) $(fsck_objects:.o=.d))
headers := osl.h
executables := oslfsck
man_pages := oslfsck.1
INSTALL := install
MKDIR := mkdir -p
RM := rm -f
LN := ln
LD := ld
M4 := m4 -g
OBJCOPY := objcopy
# libosl's versioning consists of three numbers. Let's call them x, y and z.
x := 0
y := 2
z := 0
VERSION := $(x).$(y).$(z)
OSL_CPPFLAGS += -DOSL_VERSION='"$(VERSION)"'
OSL_CFLAGS += -g -Wunused -Wundef -W
OSL_CFLAGS += -Wredundant-decls
OSL_CFLAGS += -Os
OSL_CFLAGS += -Wall
OSL_CFLAGS += -Wuninitialized
OSL_CFLAGS += -Wchar-subscripts
OSL_CFLAGS += -Wformat-security
OSL_CFLAGS += -Werror-implicit-function-declaration
OSL_CFLAGS += -Wmissing-format-attribute
OSL_CFLAGS += -Wunused-macros
OSL_CFLAGS += -Wbad-function-cast
OSL_CFLAGS += -fPIC
OSL_CFLAGS += -fvisibility=hidden
OSL_LDFLAGS += -Wl,-soname,$(soname)
OSL_LDFLAGS += -Wl,-z,defs
OSL_LDFLAGS += --shared
# On ELf-based systems, the following conventions apply (see dhweeler's
# Program Library HOWTO):
#
# The soname has the prefix ``lib'', the name of the library, the
# phrase ``.so'', followed by a period and a version number that is
# incremented whenever the interface changes.
libname := osl
soname := lib$(libname).so.$(x)
# The real name adds to the soname a period, a minor number, another
# period, and the release number.
realname := $(soname).$(y).$(z)
# In addition, there's the name that the compiler uses when requesting
# a library, (I'll call it the ``linker name''), which is simply the
# soname without any version number.
linkername := lib$(libname).so
all: $(realname) $(executables) $(man_pages) $(headers)
shared: $(realname)
ifeq ($(findstring clean, $(MAKECMDGOALS)),)
-include $(deps)
endif
# The files to generate before attempting to run the compiler. These
# are the order-only prerequisites in the rule below.
pre_deps := osl.h errtab.h oslfsck.lsg.h
# The .d and .o files are both created from a single cc invocation.
define CC_CMD
$(CC) $(OSL_CPPFLAGS) $(CPPFLAGS) \
-c -MMD -MF $(*F).d -MT $(*F).o \
$(OSL_CFLAGS) $(CFLAGS) $<
endef
%.o: %.c Makefile | $(pre_deps)
$(CC_CMD)
%.d: %.c Makefile | $(pre_deps)
$(CC_CMD)
fsck.o: oslfsck.lsg.h
oslfsck: $(fsck_objects)
$(CC) -o $@ $(fsck_objects) $(LDFLAGS) -llopsub
.PRECIOUS: %.lsg.h %.lsg.c
%.lsg.c: %.suite
lopsubgen --gen-c < $<
%.lsg.h: %.suite
lopsubgen --gen-header < $<
%.1: %.suite
lopsubgen --gen-man=$@ < $<
$(realname): $(objects)
$(CC) $(OSL_LDFLAGS) $(LDFLAGS) -o $@ $(objects)
errtab.h: errlist
sed -e 's/^\([A-Z_]*\)\s*\(.*\)/OSL_ERROR(E_OSL_\1, \2)/g' $< > $@
osl.h: osl.h.m4 errlist Makefile
echo '#ifndef _OSL_H' > $@
echo '#define _OSL_H' >> $@
$(M4) -DOUTPUT_MODE=C gendoc.m4 $< >> $@
echo '/** public error codes of the osl library. */' >> $@
sed -e 's/\([A-Z_]*\) .*/ E_OSL_\1/' \
-e '1s/^/enum osl_errors {/1' \
-e '1s/$$/=1/1' \
-e '$$!s/$$/,/g' \
-e '$$s/$$/};/1' errlist >> $@
echo '#endif /* _OSL_H */' >> $@
clean:
rm -f *.o $(realname) osl.h errtab.h oslfsck *.lsg.* *.d
distclean: clean
rm -f web/index.html web/oslfsck.1.html web/osl.png
install-bin: $(executables)
$(MKDIR) $(bindir)
$(INSTALL) -m 755 $(executables) $(bindir)
install-man: $(man_pages)
$(MKDIR) $(mandir)
$(INSTALL) -m 644 $(man_pages) $(mandir)
install-lib: $(realname) $(headers)
$(MKDIR) $(libdir) $(includedir)
$(RM) $(libdir)/$(linkername)
$(LN) -s $(soname) $(libdir)/$(linkername)
$(INSTALL) -m 755 $(realname) $(libdir)
$(INSTALL) -m 644 $(headers) $(includedir)
install: all install-bin install-man install-lib
www: web/index.html web/osl.png web/api.html
.PHONY: all shared clean install install-bin install-man install-lib www
web/osl.png: web/osl.pdf Makefile
convert -scale 200x200 $< $@
web/index.html: oslfsck.1 web/header.html web/index.html.in INSTALL README QUICK_START
cat web/header.html > $@
sed -e '/@README@/,$$d' web/index.html.in >> $@
markdown < README >> $@
sed -e '1,/@README@/d' -e '/@INSTALL@/,$$d' web/index.html.in >> $@
markdown < INSTALL >> $@
sed -e '1,/@INSTALL@/d' -e '/@QUICK_START@/,$$d' web/index.html.in >> $@
markdown < QUICK_START >> $@
sed -e '1,/@QUICK_START@/d' -e '/@MAN_PAGE@/,$$d' web/index.html.in >> $@
groff -m man -Thtml -P -l oslfsck.1 | sed -e '1,/^<body>/d; /^<\/body>/,$$d' >> $@
sed -e '1,/@MAN_PAGE@/d' web/index.html.in >> $@
web/api.html: osl.h.m4 web/header.html web/footer.html
cat web/header.html > $@
$(M4) -DOUTPUT_MODE=HTML gendoc.m4 $< >> $@
cat web/footer.html >> $@
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