+# 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
+ifeq ("$(origin CC)", "default")
+ CC := cc
+endif
+
# where to install
PREFIX ?= /usr/local
libdir := $(PREFIX)/lib
man_pages := oslfsck.1
INSTALL := install
-ifeq "$(origin CC)" "default"
- CC := cc
-endif
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.
-# The way x, y and z are interpreted depends on the OS.
x := 0
y := 1
z := 3
VERSION := $(x).$(y).$(z)
-# common flags
-CPPFLAGS += -DOSL_VERSION='"$(VERSION)"'
-
-CFLAGS += -Wno-sign-compare -g -Wunused -Wundef -W
-CFLAGS += -Wredundant-decls
-CFLAGS += -Os
-CFLAGS += -Wall
-CFLAGS += -Wuninitialized
-CFLAGS += -Wchar-subscripts
-CFLAGS += -Wformat-security
-CFLAGS += -Werror-implicit-function-declaration
-CFLAGS += -Wmissing-format-attribute
-CFLAGS += -Wunused-macros
-CFLAGS += -Wbad-function-cast
-
-# cflags used only for building library objects
-LIBCFLAGS += -fPIC
-LIBCFLAGS += -fvisibility=hidden
-
-uname_s := $(shell uname -s 2>/dev/null || echo "UNKNOWN_OS")
-
+OSL_CPPFLAGS += -DOSL_VERSION='"$(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.$(x)
-ifeq ($(uname_s),Linux)
- format := elf
- LDFLAGS += -Wl,-soname,$(soname)
- # disallow undefined symbols
- LDFLAGS += -Wl,-z,defs
-endif
-ifeq ($(uname_s),Darwin)
- # Darwin has its own idea on version numbers:
- realname := lib$(libname).$(x).dylib
- soname := $(realname)
- linkername := lib$(libname).dylib
- # The minor version number is an incremental number using the format
- # X[.Y[.Z]]. To set the minor version number of a dynamic library, use
- # the gcc -current_version option.
- LDFLAGS += -current_version $(y).$(z)
- #
- # The compatibility version number of a library release specifies the
- # earliest minor version of the clients linked against that release can
- # use.
- LDFLAGS += -compatibility_version $(y).0
- LDFLAGS += -dynamiclib
-endif
-ifeq ($(uname_s),SunOS)
- format := elf
- # Solaris needs another set of flags
- LDFLAGS += -z text
- LDFLAGS += -z defs
- CPPFLAGS += -I/opt/csw/include
- LDFLAGS += -lc
-endif
-
-ifeq ($(uname_s),NetBSD)
- format := elf
- LDFLAGS += -Wl,-soname,$(soname)
-endif
-
-ifeq ($(uname_s),FreeBSD)
- format := elf
- LDFLAGS += -Wl,-soname,$(soname)
-endif
+# The real name adds to the soname a period, a minor number, another
+# period, and the release number.
+realname := $(soname).$(y).$(z)
-ifeq ($(format),elf)
- # 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.
- 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
- LDFLAGS += --shared
-endif
+# 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)
+all: $(realname) $(executables) $(man_pages) $(headers)
shared: $(realname)
ifeq ($(findstring clean, $(MAKECMDGOALS)),)
-include $(deps)
endif
-%.o: %.c Makefile errtab.h
- $(CC) $(CPPFLAGS) -c -MMD -MF $(*F).d -MT $@ $(CFLAGS) $(LIBCFLAGS) $<
+
+# 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) -llopsub
+ $(CC) -o $@ $(fsck_objects) $(LDFLAGS) -llopsub
+.PRECIOUS: %.lsg.h %.lsg.c
%.lsg.c: %.suite
lopsubgen --gen-c < $<
lopsubgen --gen-man=$@ < $<
$(realname): $(objects)
- $(CC) $(LDFLAGS) -o $@ $(objects)
-
-$(libname).sym: osl.h.in
- sed -Ene '/^int|^const/{s/.*(osl_.*)\(.*/\1/; p;}' $< > $@
-$(libname).ga: $(objects)
- $(LD) -r -o $@ $(objects)
-lib$(libname).a: $(libname).ga $(libname).sym
- $(OBJCOPY) --keep-global-symbols $(libname).sym $(libname).ga $@
-
-osl_errors.h: errlist
- 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' $< >> $@
+ $(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.in osl_errors.h Makefile
+osl.h: osl.h.m4 errlist Makefile
echo '#ifndef _OSL_H' > $@
echo '#define _OSL_H' >> $@
- cat osl.h.in osl_errors.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/$$/};/1' errlist >> $@
echo '#endif /* _OSL_H */' >> $@
clean:
- rm -f *.o $(realname) osl.h osl_errors.h errtab.h \
- oslfsck *.a *.ga *.sym *.lsg.* *.d
+ rm -f *.o $(realname) osl.h errtab.h oslfsck *.lsg.* *.d
distclean: clean
rm -f web/index.html web/oslfsck.1.html web/osl.png
- rm -rf web/doxygen
install-bin: $(executables)
$(MKDIR) $(bindir)
$(INSTALL) -m 644 $(headers) $(includedir)
install: all install-bin install-man install-lib
-www: web/index.html web/osl.png web/doxygen/index.html
+www: web/index.html web/osl.png web/api.html
.PHONY: all shared clean install install-bin install-man install-lib www
web/osl.png: web/osl.pdf Makefile
convert -scale 200x200 $< $@
-web/index.html: oslfsck.1 web/index.html.in INSTALL README
- sed -e '/@README@/,$$d' web/index.html.in > $@
+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 '/@MAN_PAGE@/,$$d' web/index.html.in >> $@
+ sed -e '1,/@INSTALL@/d' -e '/@QUICK_START@/,$$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/doxygen/index.html: $(wildcard *.c *.h) web/Doxyfile web/header.html \
- web/footer.html
- doxygen web/Doxyfile
+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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