HP-UX specific updates to Makefile.org and Makefile.shared.
diff --git a/Makefile.org b/Makefile.org
index b78a82e..3dba4a1 100644
--- a/Makefile.org
+++ b/Makefile.org
@@ -149,10 +149,11 @@
all: Makefile build_all openssl.pc
# as we stick to -e, CLEARENV ensures that local variables in lower
-# Makefiles remain local and variable. $${var+var} is tribute to Korn
-# shell, which [annoyingly enough] terminates unset with error if var
-# is not set:-(
-CLEARENV= unset $${TOP+TOP} $${LIB+LIB} $${LIBS+LIBS} \
+# Makefiles remain local and variable. $${VAR+VAR} is tribute to Korn
+# shell, which [annoyingly enough] terminates unset with error if VAR
+# is not present:-( TOP= && unset TOP is tribute to HP-UX /bin/sh,
+# which terminates unset with error if no variable was present:-(
+CLEARENV= TOP= && unset TOP $${LIB+LIB} $${LIBS+LIBS} \
$${INCLUDE+INCLUDE} $${INCLUDES+INCLUDES} \
$${DIR+DIR} $${DIRS+DIRS} $${SRC+SRC} \
$${LIBSRC+LIBSRC} $${LIBOBJ+LIBOBJ} $${ALL+ALL} \
diff --git a/Makefile.shared b/Makefile.shared
index 019ebb2..9e9b28e 100644
--- a/Makefile.shared
+++ b/Makefile.shared
@@ -455,6 +455,7 @@
expr $(PLATFORM) : 'hpux64' > /dev/null && ALLSYMSFLAGS='-Wl,+forceload'; \
SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -Wl,-B,symbolic,+vnocompatwarnings,-z,+s,+h,$$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX"; \
fi; \
+ rm -f $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX || :; \
$(LINK_SO_O) && chmod a=rx $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX
link_a.hpux:
@if ${DETECT_GNU_LD}; then $(DO_GNU_SO); else \
@@ -467,6 +468,7 @@
expr $(PLATFORM) : 'hpux64' > /dev/null && ALLSYMSFLAGS='-Wl,+forceload'; \
SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -Wl,-B,symbolic,+vnocompatwarnings,-z,+s,+h,$$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX"; \
fi; \
+ rm -f $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX || :; \
$(LINK_SO_A) && chmod a=rx $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX
link_app.hpux:
@if ${DETECT_GNU_LD}; then $(DO_GNU_APP); else \
