Some of Sun compiler drivers (well, one of those I have) collect all

options specified with -Wl in the beginnig of the ld command line which
kind of obsoletes the idea as it's -z defaultextract that will be
closest to lib*.a and not -z allextract:-(

Makefile.org

@@ -357,10 +357,12 @@ do_solaris-shared:
 	else \
 		libs='-L. ${SHLIBDEPS}'; for i in ${SHLIBDIRS}; do \
 		( PATH=/usr/ccs/bin:$$PATH ; export PATH; \
+		  MINUSZ='-z '; \
+		  (${CC} -v 2>&1 | grep gcc) > /dev/null && MINUSZ='-Wl,-z,'; \
 		  set -x; ${CC} ${SHARED_LDFLAGS} -G -dy -z text \
 			-o lib$$i.so.${SHLIB_MAJOR}.${SHLIB_MINOR} \
 			-h lib$$i.so.${SHLIB_MAJOR}.${SHLIB_MINOR} \
-			-Wl,-z,allextract lib$$i.a -Wl,-z,defaultextract \
+			$${MINUSZ}allextract lib$$i.a $${MINUSZ}defaultextract \
 			$$libs ${EX_LIBS} -lc ) || exit 1; \
 		libs="$$libs -l$$i"; \
 		done; \