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
-
-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='"$(VERSION)"'
+
+OSL_CFLAGS += -Wno-sign-compare -g -Wunused -Wundef -W
+OSL_CFLAGS += -Wredundant-decls
+OSL_CFLAGS += -Os
+OSL_CFLAGS += -Wall
+OSL_CFLAGS += -Wuninitialized
+OSL_CFLAGS += -Wchar-subscripts
+OSL_CFLAGS += -Wformat-security
+OSL_CFLAGS += -Werror-implicit-function-declaration
+OSL_CFLAGS += -Wmissing-format-attribute
+OSL_CFLAGS += -Wunused-macros
+OSL_CFLAGS += -Wbad-function-cast
+OSL_CFLAGS += -fPIC
+OSL_CFLAGS += -fvisibility=hidden
+
+OSL_LDFLAGS += -Wl,-soname,$(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
# 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) $<
+
+# List osl.h in the prerequisites to make sure we generate it before attempting
+# to run the compiler. This matters only when the .d file does not exist.
+%.o: %.c osl.h Makefile errtab.h
+ $(CC) $(OSL_CPPFLAGS) $(CPPFLAGS) \
+ -c -MMD -MF $(*F).d -MT $@ \
+ $(OSL_CFLAGS) $(CFLAGS) $<
fsck.o: oslfsck.lsg.h
oslfsck: $(fsck_objects)
- $(CC) -o $@ $(fsck_objects) -llopsub
+ $(CC) -o $@ $(fsck_objects) $(LDFLAGS) -llopsub
%.lsg.c: %.suite
lopsubgen --gen-c < $<
lopsubgen --gen-man=$@ < $<
$(realname): $(objects)
- $(CC) $(LDFLAGS) -o $@ $(objects)
+ $(CC) $(OSL_LDFLAGS) $(LDFLAGS) -o $@ $(objects)
$(libname).sym: osl.h.in
sed -Ene '/^int|^const/{s/.*(osl_.*)\(.*/\1/; p;}' $< > $@
lib$(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' $< >> $@
-
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.in errlist Makefile
echo '#ifndef _OSL_H' > $@
echo '#define _OSL_H' >> $@
- cat osl.h.in osl_errors.h >> $@
+ cat osl.h.in >> $@
+ 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 *.a *.ga *.sym *.lsg.* *.d
distclean: clean
rm -f web/index.html web/oslfsck.1.html web/osl.png