X-Git-Url: http://git.tuebingen.mpg.de/?p=osl.git;a=blobdiff_plain;f=Makefile;h=6f5b391370e784330264a4a1febad3f77fa40dff;hp=967b00d205939370430b99cfd9f89c0de7207a13;hb=HEAD;hpb=7517d207f55baf6955184ea0f24ae38b068861a6 diff --git a/Makefile b/Makefile index 967b00d..6f5b391 100644 --- a/Makefile +++ b/Makefile @@ -1,3 +1,13 @@ +# 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 @@ -5,177 +15,123 @@ includedir := $(PREFIX)/include bindir := $(PREFIX)/bin mandir := $(PREFIX)/man/man1 -objects := osl.o util.o rbtree.o sha1.o -fsck_objects := fsck.fsck.o osl.fsck.o util.fsck.o rbtree.fsck.o sha1.fsck.o fsck.cmdline.o +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) $(fsck_objects:.o=.d)) headers := osl.h executables := oslfsck man_pages := oslfsck.1 INSTALL := install -ifeq "$(origin CC)" "default" - CC := gcc -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 := 1 +y := 2 +z := 0 VERSION := $(x).$(y).$(z) -# common flags -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 +# The real name adds to the soname a period, a minor number, another +# period, and the release number. +realname := $(soname).$(y).$(z) -ifeq ($(uname_s),NetBSD) - format := elf - LDFLAGS += -Wl,-soname,$(soname) -endif +# In addition, there's the name that the compiler uses when requesting +# a library, (I'll call it the ``linker name''), which is simply the +# soname without any version number. +linkername := lib$(libname).so -ifeq ($(uname_s),FreeBSD) - format := elf - LDFLAGS += -Wl,-soname,$(soname) -endif +all: $(realname) $(executables) $(man_pages) $(headers) +shared: $(realname) -ifeq ($(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 +ifeq ($(findstring clean, $(MAKECMDGOALS)),) +-include $(deps) endif -all: $(realname) $(executables) $(man_pages) -Makefile.deps: $(wildcard *.c *.h) - $(CC) -MM -MG *.c > $@ -osl.c fsck.c: - --include Makefile.deps - -fsck.cmdline.o: fsck.cmdline.c fsck.cmdline.h - $(CC) -c -DVERSION='"$(VERSION)"' $< - -%.fsck.o: %.c Makefile fsck.cmdline.c fsck.cmdline.h osl.h errtab.h - $(CC) -c -DVERSION='"$(VERSION)"' $(CPPFLAGS) $(CFLAGS) $< -o $@ - -%.o: %.c Makefile errtab.h - $(CC) -c $(CPPFLAGS) $(CFLAGS) $(LIBCFLAGS) $< - -fsck.cmdline.h fsck.cmdline.c: fsck.ggo Makefile - gengetopt \ - --conf-parser \ - --unamed-opts=table \ - --no-handle-version \ - --file-name=fsck.cmdline \ - --func-name=fsck_cmdline_parser \ - --set-package="oslfsck" \ - --arg-struct-name=fsck_args_info \ - < $< - +# 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) + $(CC) -o $@ $(fsck_objects) $(LDFLAGS) -llopsub -oslfsck.1: oslfsck - help2man -h --detailed-help -N ./$< > $@ +.PRECIOUS: %.lsg.h %.lsg.c +%.lsg.c: %.suite + lopsubgen --gen-c < $< -$(realname): $(objects) - $(CC) $(LDFLAGS) -o $@ $(objects) +%.lsg.h: %.suite + lopsubgen --gen-header < $< -$(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 $@ +%.1: %.suite + lopsubgen --gen-man=$@ < $< -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' $< >> $@ +$(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.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/$$/};/1' errlist >> $@ echo '#endif /* _OSL_H */' >> $@ clean: - rm -f *.o $(realname) osl.h osl_errors.h errtab.h fsck.cmdline.h \ - fsck.cmdline.c oslfsck *.a *.ga *.sym + rm -f *.o $(realname) osl.h errtab.h oslfsck *.lsg.* *.d distclean: clean rm -f web/index.html web/oslfsck.1.html web/osl.png - rm -rf web/doxygen install-bin: $(executables) $(MKDIR) $(bindir) @@ -188,25 +144,31 @@ install-man: $(man_pages) install-lib: $(realname) $(headers) $(MKDIR) $(libdir) $(includedir) $(RM) $(libdir)/$(linkername) - $(LN) -s $(libdir)/$(soname) $(libdir)/$(linkername) + $(LN) -s $(soname) $(libdir)/$(linkername) $(INSTALL) -m 755 $(realname) $(libdir) $(INSTALL) -m 644 $(headers) $(includedir) install: all install-bin install-man install-lib +www: web/index.html web/osl.png web/api.html -.PHONY: all clean install install-bin install-man install-lib - -web/%.1.html: %.1 - man2html $< > $@ +.PHONY: all shared clean install install-bin install-man install-lib www web/osl.png: web/osl.pdf Makefile convert -scale 200x200 $< $@ -web/index.html: web/oslfsck.1.html web/index.html.in INSTALL README - sed -e '/@README@/,$$d' web/index.html.in > $@ - grutatxt -nb < README >> $@ +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 >> $@ - grutatxt -nb < INSTALL >> $@ - sed -e '1,/@INSTALL@/d' -e '/@MAN_PAGE@/,$$d' web/index.html.in >> $@ - sed -e '1,/Return to Main Contents/d' -e '/Index/,$$d' web/oslfsck.1.html >> $@ + 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,/^/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 >> $@