Big rename fest in makefile.shared: link_a / link_o -> link_shlib / link_dso

Originally, the Makefile.shared targets described what they used as
input for a shared object, be it a shared library or a DSO.  It turned
out, however, that the link_o targets were used exclusively for
engines and the link_a targets were for libcrypto and libssl.

This rename fest turns and indication on the kind of input the targets
get to the intention with using them.

Reviewed-by: Andy Polyakov <appro@openssl.org>

1 files changed, 96 insertions, 121 deletions

diff --git a/Makefile.shared b/Makefile.shared
index 90290d1883..bc4beab0b4 100644
--- a/Makefile.shared
+++ b/Makefile.shared
@@ -50,8 +50,8 @@ OBJECTS=
 # For example, if a second library, say libbar.a needs to be linked into
 # libfoo.so, you need to do the following:
 #LIBEXTRAS=libbar.a
-# Note that this MUST be used when using the link_o targets, to hold the
-# names of all object files that go into the target library.
+# Note that this MUST be used when using the link_dso targets, to hold the
+# names of all object files that go into the target shared object.
 LIBEXTRAS=
 
 # LIBVERSION contains the current version of the library.
@@ -143,17 +143,17 @@ SYMLINK_SO=	\
 		fi; \
 	fi
 
-LINK_SO_A=	SHOBJECTS="$(DSTDIR)/lib$(LIBNAME).a $(LIBEXTRAS)"; $(LINK_SO)
-LINK_SO_O=	SHOBJECTS="$(LIBEXTRAS)"; $(LINK_SO)
+LINK_SO_SHLIB=	SHOBJECTS="$(DSTDIR)/lib$(LIBNAME).a $(LIBEXTRAS)"; $(LINK_SO)
+LINK_SO_DSO=	INHIBIT_SYMLINKS=yes; SHOBJECTS="$(LIBEXTRAS)"; $(LINK_SO)
 
-LINK_SO_A_VIA_O=	\
+LINK_SO_SHLIB_VIA_O=	\
   SHOBJECTS=$(DSTDIR)/lib$(LIBNAME).o; \
   ALL=$$ALLSYMSFLAGS; ALLSYMSFLAGS=; NOALLSYMSFLAGS=; \
   ( echo ld $(LDFLAGS) -r -o $$SHOBJECTS.o $$ALL lib$(LIBNAME).a $(LIBEXTRAS); \
     ld $(LDFLAGS) -r -o $$SHOBJECTS.o $$ALL $(DSTDIR)/lib$(LIBNAME).a $(LIBEXTRAS) ); \
   $(LINK_SO) && ( echo rm -f $$SHOBJECTS; rm -f $$SHOBJECTS )
 
-LINK_SO_A_UNPACKED=	\
+LINK_SO_SHLIB_UNPACKED=	\
   UNPACKDIR=link_tmp.$$$$; rm -rf $$UNPACKDIR; mkdir $$UNPACKDIR; \
   (cd $$UNPACKDIR; ar x ../$(DSTDIR)/lib$(LIBNAME).a) && \
   ([ -z "$(LIBEXTRAS)" ] || cp $(LIBEXTRAS) $$UNPACKDIR) && \
@@ -162,13 +162,13 @@ LINK_SO_A_UNPACKED=	\
 
 DETECT_GNU_LD=($(CC) -Wl,-V /dev/null 2>&1 | grep '^GNU ld' )>/dev/null
 
-DO_GNU_SO=$(CALC_VERSIONS); \
+DO_GNU_SO_NOCALC=\
 	SHLIB=lib$(LIBNAME).so; \
 	SHLIB_SUFFIX=; \
 	ALLSYMSFLAGS='-Wl,--whole-archive'; \
 	NOALLSYMSFLAGS='-Wl,--no-whole-archive'; \
 	SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared -Wl,-Bsymbolic -Wl,-soname=$$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX"
-
+DO_GNU_SO=$(CALC_VERSIONS); $(DO_GNU_SO_NOCALC); SHLIB=lib$$SHLIB
 DO_GNU_APP=LDFLAGS="$(CFLAGS) $(LDFLAGS) -Wl,-rpath,$(LIBRPATH)"
 
 #This is rather special.  It's a special target with which one can link
@@ -179,14 +179,14 @@ DO_GNU_APP=LDFLAGS="$(CFLAGS) $(LDFLAGS) -Wl,-rpath,$(LIBRPATH)"
 link_app.:
 	$(LINK_APP)
 
-link_o.gnu:
-	@ $(DO_GNU_SO); $(LINK_SO_O)
-link_a.gnu:
-	@ $(DO_GNU_SO); $(LINK_SO_A)
+link_dso.gnu:
+	@ $(DO_GNU_SO_NOCALC); $(LINK_SO_DSO)
+link_shlib.gnu:
+	@ $(DO_GNU_SO); $(LINK_SO_SHLIB)
 link_app.gnu:
 	@ $(DO_GNU_APP); $(LINK_APP)
 
-link_a.linux-shared:
+link_shlib.linux-shared:
 	@if [ $(LIBNAME) != "crypto" -a $(LIBNAME) != "ssl" ]; then $(DO_GNU_SO); else \
 	$(PERL) $(SRCDIR)/util/mkdef.pl $(LIBNAME) linux >$(LIBNAME).map; \
 	$(CALC_VERSIONS); \
@@ -195,19 +195,18 @@ link_a.linux-shared:
 	ALLSYMSFLAGS='-Wl,--whole-archive,--version-script=$(LIBNAME).map'; \
 	NOALLSYMSFLAGS='-Wl,--no-whole-archive'; \
 	SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared -Wl,-Bsymbolic -Wl,-soname=$$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX"; \
-	fi; $(LINK_SO_A)
+	fi; $(LINK_SO_SHLIB)
 
-link_o.bsd:
-	@if $(DETECT_GNU_LD); then $(DO_GNU_SO); else \
-	$(CALC_VERSIONS); \
+link_dso.bsd:
+	@if $(DETECT_GNU_LD); then $(DO_GNU_SO_NOCALC); else \
 	SHLIB=lib$(LIBNAME).so; \
 	SHLIB_SUFFIX=; \
 	LIBDEPS=" "; \
 	ALLSYMSFLAGS="-Wl,-Bforcearchive"; \
 	NOALLSYMSFLAGS=; \
 	SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared -nostdlib"; \
-	fi; $(LINK_SO_O)
-link_a.bsd:
+	fi; $(LINK_SO_DSO)
+link_shlib.bsd:
 	@if $(DETECT_GNU_LD); then $(DO_GNU_SO); else \
 	$(CALC_VERSIONS); \
 	SHLIB=lib$(LIBNAME).so; \
@@ -216,17 +215,17 @@ link_a.bsd:
 	ALLSYMSFLAGS="-Wl,-Bforcearchive"; \
 	NOALLSYMSFLAGS=; \
 	SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared -nostdlib"; \
-	fi; $(LINK_SO_A)
+	fi; $(LINK_SO_SHLIB)
 link_app.bsd:
 	@if $(DETECT_GNU_LD); then $(DO_GNU_APP); else \
 	LDFLAGS="$(CFLAGS) $(LDFLAGS) -Wl,-rpath,$(LIBPATH)"; \
 	fi; $(LINK_APP)
 
 # For Darwin AKA Mac OS/X (dyld)
-# Originally link_o.darwin produced .so, because it was hard-coded
+# Originally link_dso.darwin produced .so, because it was hard-coded
 # in dso_dlfcn module. At later point dso_dlfcn switched to .dylib
 # extension in order to allow for run-time linking with vendor-
-# supplied shared libraries such as libz, so that link_o.darwin had
+# supplied shared libraries such as libz, so that link_dso.darwin had
 # to be harmonized with it. This caused minor controversy, because
 # it was believed that dlopen can't be used to dynamically load
 # .dylib-s, only so called bundle modules (ones linked with -bundle
@@ -239,21 +238,14 @@ link_app.bsd:
 # It works, because dlopen is [and always was] extension-agnostic.
 # Alternative to this heuristic approach is to develop specific
 # MacOS X dso module relying on whichever "native" dyld interface.
-link_o.darwin:
-	@ $(CALC_VERSIONS); \
-	SHLIB=lib$(LIBNAME); \
+link_dso.darwin:
+	@ SHLIB=lib$(LIBNAME); \
 	SHLIB_SUFFIX=.dylib; \
 	ALLSYMSFLAGS='-all_load'; \
 	NOALLSYMSFLAGS=''; \
 	SHAREDFLAGS="$(CFLAGS) `echo $(SHARED_LDFLAGS) | sed s/dynamiclib/bundle/`"; \
-	if [ -n "$(LIBVERSION)" ]; then \
-		SHAREDFLAGS="$$SHAREDFLAGS -current_version $(LIBVERSION)"; \
-	fi; \
-	if [ -n "$$SHLIB_SOVER_NODOT" ]; then \
-		SHAREDFLAGS="$$SHAREDFLAGS -compatibility_version $$SHLIB_SOVER_NODOT"; \
-	fi; \
-	$(LINK_SO_O)
-link_a.darwin:
+	$(LINK_SO_DSO)
+link_shlib.darwin:
 	@ $(CALC_VERSIONS); \
 	SHLIB=lib$(LIBNAME); \
 	SHLIB_SUFFIX=.dylib; \
@@ -267,12 +259,11 @@ link_a.darwin:
 		SHAREDFLAGS="$$SHAREDFLAGS -compatibility_version $$SHLIB_SOVER_NODOT"; \
 	fi; \
 	SHAREDFLAGS="$$SHAREDFLAGS -install_name $(INSTALLTOP)/$(LIBDIR)/$$SHLIB$(SHLIB_EXT)"; \
-	$(LINK_SO_A)
+	$(LINK_SO_SHLIB)
 link_app.darwin:	# is there run-path on darwin?
 	$(LINK_APP)
 
-link_o.cygwin:
-	@ $(CALC_VERSIONS); \
+link_dso.cygwin:
 	INHIBIT_SYMLINKS=yes; \
 	SHLIB=cyg$(LIBNAME); \
 	base=-Wl,--enable-auto-image-base; \
@@ -284,14 +275,12 @@ link_o.cygwin:
 		fi; \
 	fi; \
 	SHLIB_SUFFIX=.dll; \
-	LIBVERSION="$(LIBVERSION)"; \
-	SHLIB_SOVER=${LIBVERSION:+"-$(LIBVERSION)"}; \
 	ALLSYMSFLAGS='-Wl,--whole-archive'; \
 	NOALLSYMSFLAGS='-Wl,--no-whole-archive'; \
 	SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared $$base $$deffile -Wl,-Bsymbolic"; \
-	$(LINK_SO_O)
+	$(LINK_SO_DSO)
 #for mingw target if def-file is in use dll-name should match library-name
-link_a.cygwin:
+link_shlib.cygwin:
 	@ $(CALC_VERSIONS); \
 	INHIBIT_SYMLINKS=yes; \
 	SHLIB=cyg$(LIBNAME); SHLIB_SOVER=-$(LIBVERSION); SHLIB_SUFFIX=.dll; \
@@ -316,33 +305,23 @@ link_a.cygwin:
 	ALLSYMSFLAGS='-Wl,--whole-archive'; \
 	NOALLSYMSFLAGS='-Wl,--no-whole-archive'; \
 	SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared $$base -Wl,-Bsymbolic -Wl,--out-implib,lib$(LIBNAME).dll.a $$extras"; \
-	$(LINK_SO_A) || exit 1; \
+	$(LINK_SO_SHLIB) || exit 1; \
 	rm $$extras
 link_app.cygwin:
 	$(LINK_APP)
 
-link_o.alpha-osf1:
+link_dso.alpha-osf1:
 	@ if $(DETECT_GNU_LD); then \
-		$(DO_GNU_SO); \
+		$(DO_GNU_SO_NOCALC); \
 	else \
 		SHLIB=lib$(LIBNAME).so; \
 		SHLIB_SUFFIX=; \
-		SHLIB_HIST=`echo "$(LIBCOMPATVERSIONS)" | cut -d';' -f2 | sed -e 's/ */:/'`; \
-		if [ -n "$$SHLIB_HIST" ]; then \
-			SHLIB_HIST="$${SHLIB_HIST}:$(LIBVERSION)"; \
-		else \
-			SHLIB_HIST="$(LIBVERSION)"; \
-		fi; \
-		SHLIB_SOVER=; \
 		ALLSYMSFLAGS='-all'; \
 		NOALLSYMSFLAGS='-none'; \
 		SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared -Wl,-B,symbolic"; \
-		if [ -n "$$SHLIB_HIST" ]; then \
-			SHAREDFLAGS="$$SHAREDFLAGS -set_version $$SHLIB_HIST"; \
-		fi; \
 	fi; \
-	$(LINK_SO_O)
-link_a.alpha-osf1:
+	$(LINK_SO_DSO)
+link_shlib.alpha-osf1:
 	@ if $(DETECT_GNU_LD); then \
 		$(DO_GNU_SO); \
 	else \
@@ -362,7 +341,7 @@ link_a.alpha-osf1:
 			SHAREDFLAGS="$$SHAREDFLAGS -set_version $$SHLIB_HIST"; \
 		fi; \
 	fi; \
-	$(LINK_SO_A)
+	$(LINK_SO_SHLIB)
 link_app.alpha-osf1:
 	@if $(DETECT_GNU_LD); then \
 		$(DO_GNU_APP); \
@@ -371,9 +350,9 @@ link_app.alpha-osf1:
 	fi; \
 	$(LINK_APP)
 
-link_o.solaris:
+link_dso.solaris:
 	@ if $(DETECT_GNU_LD); then \
-		$(DO_GNU_SO); \
+		$(DO_GNU_SO_NOCALC); \
 	else \
 		$(CALC_VERSIONS); \
 		SHLIB=lib$(LIBNAME).so; \
@@ -382,8 +361,8 @@ link_o.solaris:
 		NOALLSYMSFLAGS="-Wl,-z,defaultextract"; \
 		SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -h $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX -Wl,-Bsymbolic"; \
 	fi; \
-	$(LINK_SO_O)
-link_a.solaris:
+	$(LINK_SO_DSO)
+link_shlib.solaris:
 	@ if $(DETECT_GNU_LD); then \
 		$(DO_GNU_SO); \
 	else \
@@ -399,7 +378,7 @@ link_a.solaris:
 		NOALLSYMSFLAGS="-Wl,-z,defaultextract"; \
 		SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -h $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX -Wl,-Bsymbolic"; \
 	fi; \
-	$(LINK_SO_A)
+	$(LINK_SO_SHLIB)
 link_app.solaris:
 	@ if $(DETECT_GNU_LD); then \
 		$(DO_GNU_APP); \
@@ -409,19 +388,19 @@ link_app.solaris:
 	$(LINK_APP)
 
 # OpenServer 5 native compilers used
-link_o.svr3:
+link_dso.svr3:
 	@ if $(DETECT_GNU_LD); then \
-		$(DO_GNU_SO); \
+		$(DO_GNU_SO_NOCALC); \
 	else \
 		$(CALC_VERSIONS); \
 		SHLIB=lib$(LIBNAME).so; \
 		SHLIB_SUFFIX=; \
 		ALLSYMSFLAGS=''; \
 		NOALLSYMSFLAGS=''; \
-		SHAREDFLAGS="$(CFLAGS) -G -h $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX"; \
+		SHAREDFLAGS="$(CFLAGS) -G -h $$SHLIB$$SHLIB_SUFFIX"; \
 	fi; \
-	$(LINK_SO_O)
-link_a.svr3:
+	$(LINK_SO_DSO)
+link_shlib.svr3:
 	@ if $(DETECT_GNU_LD); then \
 		$(DO_GNU_SO); \
 	else \
@@ -432,27 +411,26 @@ link_a.svr3:
 		NOALLSYMSFLAGS=''; \
 		SHAREDFLAGS="$(CFLAGS) -G -h $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX"; \
 	fi; \
-	$(LINK_SO_A_UNPACKED)
+	$(LINK_SO_SHLIB_UNPACKED)
 link_app.svr3:
 	@$(DETECT_GNU_LD) && $(DO_GNU_APP); \
 	$(LINK_APP)
 
 # UnixWare 7 and OpenUNIX 8 native compilers used
-link_o.svr5:
+link_dso.svr5:
 	@ if $(DETECT_GNU_LD); then \
-		$(DO_GNU_SO); \
+		$(DO_GNU_SO_NOCALC); \
 	else \
-		$(CALC_VERSIONS); \
 		SHARE_FLAG='-G'; \
 		($(CC) -v 2>&1 | grep gcc) > /dev/null && SHARE_FLAG='-shared'; \
 		SHLIB=lib$(LIBNAME).so; \
 		SHLIB_SUFFIX=; \
 		ALLSYMSFLAGS=''; \
 		NOALLSYMSFLAGS=''; \
-		SHAREDFLAGS="$(CFLAGS) $${SHARE_FLAG} -h $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX"; \
+		SHAREDFLAGS="$(CFLAGS) $${SHARE_FLAG} -h $$SHLIB$$SHLIB_SUFFIX"; \
 	fi; \
-	$(LINK_SO_O)
-link_a.svr5:
+	$(LINK_SO_DSO)
+link_shlib.svr5:
 	@ if $(DETECT_GNU_LD); then \
 		$(DO_GNU_SO); \
 	else \
@@ -465,26 +443,25 @@ link_a.svr5:
 		NOALLSYMSFLAGS=''; \
 		SHAREDFLAGS="$(CFLAGS) $${SHARE_FLAG} -h $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX"; \
 	fi; \
-	$(LINK_SO_A_UNPACKED)
+	$(LINK_SO_SHLIB_UNPACKED)
 link_app.svr5:
 	@$(DETECT_GNU_LD) && $(DO_GNU_APP); \
 	$(LINK_APP)
 
-link_o.irix:
+link_dso.irix:
 	@ if $(DETECT_GNU_LD); then \
-		$(DO_GNU_SO); \
+		$(DO_GNU_SO_NOCALC); \
 	else \
-		$(CALC_VERSIONS); \
 		SHLIB=lib$(LIBNAME).so; \
 		SHLIB_SUFFIX=; \
 		MINUSWL=""; \
 		($(CC) -v 2>&1 | grep gcc) > /dev/null && MINUSWL="-Wl,"; \
 		ALLSYMSFLAGS="$${MINUSWL}-all"; \
 		NOALLSYMSFLAGS="$${MINUSWL}-none"; \
-		SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared -Wl,-soname,$$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX,-B,symbolic"; \
+		SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared -Wl,-soname,$$SHLIB$$SHLIB_SUFFIX,-B,symbolic"; \
 	fi; \
-	$(LINK_SO_O)
-link_a.irix:
+	$(LINK_SO_DSO)
+link_shlib.irix:
 	@ if $(DETECT_GNU_LD); then \
 		$(DO_GNU_SO); \
 	else \
@@ -497,7 +474,7 @@ link_a.irix:
 		NOALLSYMSFLAGS="$${MINUSWL}-none"; \
 		SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared -Wl,-soname,$$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX,-B,symbolic"; \
 	fi; \
-	$(LINK_SO_A)
+	$(LINK_SO_SHLIB)
 link_app.irix:
 	@LDFLAGS="$(CFLAGS) $(LDFLAGS) -Wl,-rpath,$(LIBRPATH)"; \
 	$(LINK_APP)
@@ -510,20 +487,19 @@ link_app.irix:
 # editor context only [it's simply ignored in other cases, which are all
 # ELFs by the way].
 #
-link_o.hpux:
-	@if $(DETECT_GNU_LD); then $(DO_GNU_SO); else \
-	$(CALC_VERSIONS); \
+link_dso.hpux:
+	@if $(DETECT_GNU_LD); then $(DO_GNU_SO_NOCALC); else \
 	SHLIB=lib$(LIBNAME).sl; \
 	expr "$(CFLAGS)" : '.*DSO_DLFCN' > /dev/null && SHLIB=lib$(LIBNAME).so; \
 	SHLIB_SUFFIX=; \
 	ALLSYMSFLAGS='-Wl,-Fl'; \
 	NOALLSYMSFLAGS=''; \
 	expr $(PLATFORM) : 'hpux64' > /dev/null && ALLSYMSFLAGS='-Wl,+forceload'; \
-	SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -Wl,-B,symbolic,+vnocompatwarnings,-z,+s,+h,$$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX,+cdp,../:,+cdp,./:"; \
+	SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -Wl,-B,symbolic,+vnocompatwarnings,-z,+s,+h,$$SHLIB$$SHLIB_SUFFIX,+cdp,../:,+cdp,./:"; \
 	fi; \
-	rm -f $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX || :; \
-	$(LINK_SO_O) && chmod a=rx $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX
-link_a.hpux:
+	rm -f $$SHLIB$$SHLIB_SUFFIX || :; \
+	$(LINK_SO_DSO) && chmod a=rx $$SHLIB$$SHLIB_SUFFIX
+link_shlib.hpux:
 	@if $(DETECT_GNU_LD); then $(DO_GNU_SO); else \
 	$(CALC_VERSIONS); \
 	SHLIB=lib$(LIBNAME).sl; \
@@ -535,24 +511,23 @@ link_a.hpux:
 	SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -Wl,-B,symbolic,+vnocompatwarnings,-z,+s,+h,$$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX,+cdp,../:,+cdp,./:"; \
 	fi; \
 	rm -f $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX || :; \
-	$(LINK_SO_A) && chmod a=rx $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX
+	$(LINK_SO_SHLIB) && chmod a=rx $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX
 link_app.hpux:
 	@if $(DETECT_GNU_LD); then $(DO_GNU_APP); else \
 	LDFLAGS="$(CFLAGS) $(LDFLAGS) -Wl,+s,+cdp,../:,+cdp,./:,+b,$(LIBRPATH)"; \
 	fi; \
 	$(LINK_APP)
 
-link_o.aix:
-	@ $(CALC_VERSIONS); \
-	OBJECT_MODE=`expr "x$(SHARED_LDFLAGS)" : 'x\-[a-z]*\(64\)'` || :; \
+link_dso.aix:
+	@OBJECT_MODE=`expr "x$(SHARED_LDFLAGS)" : 'x\-[a-z]*\(64\)'` || :; \
 	OBJECT_MODE=$${OBJECT_MODE:-32}; export OBJECT_MODE; \
 	SHLIB=lib$(LIBNAME).so; \
 	SHLIB_SUFFIX=; \
 	ALLSYMSFLAGS=''; \
 	NOALLSYMSFLAGS=''; \
 	SHAREDFLAGS='$(CFLAGS) $(SHARED_LDFLAGS) -Wl,-bexpall,-bnolibpath,-bM:SRE'; \
-	$(LINK_SO_O);
-link_a.aix:
+	$(LINK_SO_DSO);
+link_shlib.aix:
 	@ $(CALC_VERSIONS); \
 	OBJECT_MODE=`expr "x$(SHARED_LDFLAGS)" : 'x\-[a-z]*\(64\)'` || : ; \
 	OBJECT_MODE=$${OBJECT_MODE:-32}; export OBJECT_MODE; \
@@ -561,7 +536,7 @@ link_a.aix:
 	ALLSYMSFLAGS='-bnogc'; \
 	NOALLSYMSFLAGS=''; \
 	SHAREDFLAGS='$(CFLAGS) $(SHARED_LDFLAGS) -Wl,-bexpall,-bnolibpath,-bM:SRE'; \
-	$(LINK_SO_A_VIA_O)
+	$(LINK_SO_SHLIB_VIA_O)
 link_app.aix:
 	LDFLAGS="$(CFLAGS) $(LDFLAGS) -Wl,-brtl,-blibpath:$(LIBRPATH):$${LIBPATH:-/usr/lib:/lib}"; \
 	$(LINK_APP)
@@ -587,54 +562,54 @@ symlink.hpux:
 symlink.cygwin symlink.alpha-osf1 symlink.tru64 symlink.tru64-rpath:
 
 # Compatibility targets
-link_o.bsd-gcc-shared link_o.linux-shared link_o.gnu-shared: link_o.gnu
-link_a.bsd-gcc-shared link_a.gnu-shared: link_a.gnu
+link_dso.bsd-gcc-shared link_dso.linux-shared link_dso.gnu-shared: link_dso.gnu
+link_shlib.bsd-gcc-shared link_shlib.gnu-shared: link_shlib.gnu
 link_app.bsd-gcc-shared link_app.linux-shared link_app.gnu-shared: link_app.gnu
 symlink.bsd-gcc-shared symlink.bsd-shared symlink.linux-shared symlink.gnu-shared: symlink.gnu
-link_o.bsd-shared: link_o.bsd
-link_a.bsd-shared: link_a.bsd
+link_dso.bsd-shared: link_dso.bsd
+link_shlib.bsd-shared: link_shlib.bsd
 link_app.bsd-shared: link_app.bsd
-link_o.darwin-shared: link_o.darwin
-link_a.darwin-shared: link_a.darwin
+link_dso.darwin-shared: link_dso.darwin
+link_shlib.darwin-shared: link_shlib.darwin
 link_app.darwin-shared: link_app.darwin
 symlink.darwin-shared: symlink.darwin
-link_o.cygwin-shared: link_o.cygwin
-link_a.cygwin-shared: link_a.cygwin
+link_dso.cygwin-shared: link_dso.cygwin
+link_shlib.cygwin-shared: link_shlib.cygwin
 link_app.cygwin-shared: link_app.cygwin
 symlink.cygwin-shared: symlink.cygwin
-link_o.alpha-osf1-shared: link_o.alpha-osf1
-link_a.alpha-osf1-shared: link_a.alpha-osf1
+link_dso.alpha-osf1-shared: link_dso.alpha-osf1
+link_shlib.alpha-osf1-shared: link_shlib.alpha-osf1
 link_app.alpha-osf1-shared: link_app.alpha-osf1
 symlink.alpha-osf1-shared: symlink.alpha-osf1
-link_o.tru64-shared: link_o.tru64
-link_a.tru64-shared: link_a.tru64
+link_dso.tru64-shared: link_dso.tru64
+link_shlib.tru64-shared: link_shlib.tru64
 link_app.tru64-shared: link_app.tru64
 symlink.tru64-shared: symlink.tru64
-link_o.tru64-shared-rpath: link_o.tru64-rpath
-link_a.tru64-shared-rpath: link_a.tru64-rpath
+link_dso.tru64-shared-rpath: link_dso.tru64-rpath
+link_shlib.tru64-shared-rpath: link_shlib.tru64-rpath
 link_app.tru64-shared-rpath: link_app.tru64-rpath
 symlink.tru64-shared-rpath: symlink.tru64-rpath
-link_o.solaris-shared: link_o.solaris
-link_a.solaris-shared: link_a.solaris
+link_dso.solaris-shared: link_dso.solaris
+link_shlib.solaris-shared: link_shlib.solaris
 link_app.solaris-shared: link_app.solaris
 symlink.solaris-shared: symlink.solaris
-link_o.svr3-shared: link_o.svr3
-link_a.svr3-shared: link_a.svr3
+link_dso.svr3-shared: link_dso.svr3
+link_shlib.svr3-shared: link_shlib.svr3
 link_app.svr3-shared: link_app.svr3
 symlink.svr3-shared: symlink.svr3
-link_o.svr5-shared: link_o.svr5
-link_a.svr5-shared: link_a.svr5
+link_dso.svr5-shared: link_dso.svr5
+link_shlib.svr5-shared: link_shlib.svr5
 link_app.svr5-shared: link_app.svr5
 symlink.svr5-shared: symlink.svr5
-link_o.irix-shared: link_o.irix
-link_a.irix-shared: link_a.irix
+link_dso.irix-shared: link_dso.irix
+link_shlib.irix-shared: link_shlib.irix
 link_app.irix-shared: link_app.irix
 symlink.irix-shared: symlink.irix
-link_o.hpux-shared: link_o.hpux
-link_a.hpux-shared: link_a.hpux
+link_dso.hpux-shared: link_dso.hpux
+link_shlib.hpux-shared: link_shlib.hpux
 link_app.hpux-shared: link_app.hpux
 symlink.hpux-shared: symlink.hpux
-link_o.aix-shared: link_o.aix
-link_a.aix-shared: link_a.aix
+link_dso.aix-shared: link_dso.aix
+link_shlib.aix-shared: link_shlib.aix
 link_app.aix-shared: link_app.aix
 symlink.aix-shared: symlink.aix