X-Git-Url: http://git.tuebingen.mpg.de/?p=osl.git;a=blobdiff_plain;f=Makefile;h=6f5b391370e784330264a4a1febad3f77fa40dff;hp=ba61ef7769a258d2f2453d52fa5b374f54711553;hb=HEAD;hpb=14b97f2c94bb045066449cbcca96663ff7e6e1a2 diff --git a/Makefile b/Makefile index ba61ef7..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 @@ -5,62 +15,46 @@ includedir := $(PREFIX)/include bindir := $(PREFIX)/bin mandir := $(PREFIX)/man/man1 -objects := osl.o util.o rbtree.o sha1.o -fsck_objects := fsck.o osl.o util.o rbtree.o sha1.o oslfsck.lsg.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 := 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. x := 0 -y := 1 -z := 3 +y := 2 +z := 0 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 - -libname := osl - -ifeq ($(uname_s),Linux) - LDFLAGS += -Wl,-soname,$(soname) - # disallow undefined symbols - LDFLAGS += -Wl,-z,defs -endif -ifeq ($(uname_s),NetBSD) - LDFLAGS += -Wl,-soname,$(soname) -endif - -ifeq ($(uname_s),FreeBSD) - LDFLAGS += -Wl,-soname,$(soname) -endif +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): @@ -68,6 +62,7 @@ endif # 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 @@ -78,21 +73,34 @@ realname := $(soname).$(y).$(z) # a library, (I'll call it the ``linker name''), which is simply the # soname without any version number. linkername := lib$(libname).so -LDFLAGS += --shared -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 < $< @@ -103,38 +111,27 @@ oslfsck: $(fsck_objects) lopsubgen --gen-man=$@ < $< $(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/$$/};/1' errlist >> $@ echo '#endif /* _OSL_H */' >> $@ clean: - rm -f *.o $(realname) osl.h osl_errors.h errtab.h \ - oslfsck *.a *.ga *.sym *.lsg.* *.d + rm -f *.o $(realname) osl.h errtab.h oslfsck *.lsg.* *.d distclean: clean rm -f web/index.html web/oslfsck.1.html web/osl.png - rm -rf web/doxygen install-bin: $(executables) $(MKDIR) $(bindir) @@ -152,22 +149,26 @@ install-lib: $(realname) $(headers) $(INSTALL) -m 644 $(headers) $(includedir) install: all install-bin install-man install-lib -www: web/index.html web/osl.png web/doxygen/index.html +www: web/index.html web/osl.png web/api.html .PHONY: all shared clean install install-bin install-man install-lib www web/osl.png: web/osl.pdf Makefile convert -scale 200x200 $< $@ -web/index.html: oslfsck.1 web/index.html.in INSTALL README - sed -e '/@README@/,$$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@/,$$d' web/index.html.in >> $@ groff -m man -Thtml -P -l oslfsck.1 | sed -e '1,/^/d; /^<\/body>/,$$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 >> $@