+# where to install
+prefix := /usr/local
+libdir := $(prefix)/lib
+includedir := $(prefix)/include
+
+objects := osl.o fd.o rbtree.o sha1.o
+headers := osl.h
+
+INSTALL := install
+CC := gcc
+MKDIR := mkdir -p
+RM := rm -f
+LN := ln
+
+# 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 := 0
+
+# 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 += -fPIC
+CFLAGS += -fvisibility=hidden
+
uname_s := $(shell uname -s 2>/dev/null || echo "UNKNOWN_OS")
uname_rs := $(shell uname -rs)
-objects := osl.o fd.o rbtree.o sha1.o
-major_version := 0
-minor_version := 1
-patchlevel_version := 0
libname := osl
+ifeq ($(uname_s),Linux)
+ # On Linux, 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).$(z)
-ifeq ($(uname_s),Linux)
- dso_opts := --shared -Wl,-soname,libosl.so.$(major_version)
- dso_filename :=lib$(libname).so.$(major_version).$(minor_version).$(patchlevel_version)
+ # In addition, there's the name that the compiler uses when requesting
+ # a library, (I'll call it the ``linker name''), which is simply the
+ # soname without any version number.
+ linkername := lib$(libname).so
+
+ LDFLAGS += --shared
+ 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).so
# 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.
- dso_opts := -dynamiclib -current_version $(minor_version).$(patchlevel_version) \
- -compatibility_version $(minor_version).0 -fvisibility=hidden
- dso_filename := lib$(libname).$(major_version).dylib
+ LDFLAGS += -compatibility_version $(y).0
+ LDFLAGS += -dynamiclib
endif
ifeq ($(uname_s),SunOS)
- dso_opts := --shared -z text -z defs
- dso_filename :=lib$(libname).so.$(major_version).$(minor_version).$(patchlevel_version)
+ # Solaris needs another set of flags
+ LDFLAGS += --shared
+ LDFLAGS += -z text
+ LDFLAGS += -z defs
+ realname := lib$(libname).so.$(major_version).$(minor_version).$(patchlevel_version)
CPPFLAGS += -I/opt/csw/include
endif
-ifeq ($(uname_s),FreeBSD)
- dso_opts := --shared -Wl,-soname,libosl.so.$(major_version)
- dso_filename :=lib$(libname).so.$(major_version).$(minor_version).$(patchlevel_version)
-endif
-ifeq ($(uname_s),NetBSD)
- dso_opts := --shared -Wl,-soname,libosl.so.$(major_version)
- dso_filename :=lib$(libname).so.$(major_version).$(minor_version).$(patchlevel_version)
-endif
-all: $(dso_filename)
-
-DEBUG_CPPFLAGS += -Wno-sign-compare -g -Wunused -Wundef -W
-DEBUG_CPPFLAGS += -Wredundant-decls
-CPPFLAGS += -Os
-CPPFLAGS += -Wall
-CPPFLAGS += -Wuninitialized
-CPPFLAGS += -Wchar-subscripts
-CPPFLAGS += -Wformat-security
-CPPFLAGS += -Werror-implicit-function-declaration
-CPPFLAGS += -Wmissing-format-attribute
-CPPFLAGS += -Wunused-macros
-CPPFLAGS += -Wbad-function-cast
-CPPFLAGS += -fPIC
-CPPFLAGS += -fvisibility=hidden
+
+all: $(realname)
Makefile.deps: $(wildcard *.c *.h)
- gcc -MM -MG *.c > $@
+ $(CC) -MM -MG *.c > $@
-include Makefile.deps
%.o: %.c Makefile
- $(CC) -c $(CPPFLAGS) $(DEBUG_CPPFLAGS) $<
-$(dso_filename): $(objects)
- $(CC) $(dso_opts) -o $@ $(objects) $(LDFLAGS) -lcrypto
+ $(CC) -c $(CPPFLAGS) $(CFLAGS) $<
+
+$(realname): $(objects)
+ $(CC) $(LDFLAGS) -o $@ $(objects) -lcrypto
osl_errors.h: errlist
sed -e 's/\([A-Z_]*\) .*/ E_OSL_\1/' \
errtab.h: errlist
sed -e 's/^\([A-Z_]*\)\s*\(.*\)/_S(E_OSL_\1, \2)/g' $< > $@
+
osl.h: osl.h.in osl_errors.h
cat $^ > $@
clean:
- rm -f *.o $(dso_filename) osl.h osl_errors.h errtab.h
+ rm -f *.o $(realname) osl.h osl_errors.h errtab.h
+
+install: all
+ $(MKDIR) $(libdir) $(includedir)
+ $(RM) $(libdir)/$(linkername)
+ $(LN) -s $(libdir)/$(soname) $(libdir)/$(linkername)
+ $(INSTALL) -s -m 755 $(realname) $(libdir)
+ $(INSTALL) -m 644 $(headers) $(includedir)
+
+.PHONY: all clean install
projects / osl.git / blobdiff