Build: Fix issues building without SSL.

* Fix conditional in libasteriskssl.
* Use variables produced by configure to link the SSL and uuid libraries
  into libasteriskpj.so instead of hard-coding them.

ASTERISK-27431

Change-Id: I3977931fd3ef8c4e4376349ccddb354eb839b58d

main/Makefile

@@ -273,7 +273,7 @@ endif
 
 $(ASTPJ_LIB).$(ASTPJ_SO_VERSION): _ASTLDFLAGS+=-Wl,-soname=$(ASTPJ_LIB).$(ASTPJ_SO_VERSION) $(PJ_LDFLAGS)
 $(ASTPJ_LIB).$(ASTPJ_SO_VERSION): _ASTCFLAGS+=-fPIC -DAST_MODULE=\"asteriskpj\" -DAST_NOT_MODULE $(PJ_CFLAGS)
-$(ASTPJ_LIB).$(ASTPJ_SO_VERSION): LIBS+=$(PJPROJECT_LDLIBS) -lssl -lcrypto -luuid -lm -lpthread $(RT_LIB)
+$(ASTPJ_LIB).$(ASTPJ_SO_VERSION): LIBS+=$(PJPROJECT_LDLIBS) $(OPENSSL_LIB) $(UUID_LIB) -lm -lpthread $(RT_LIB)
 ifeq ($(GNU_LD),1)
     $(ASTPJ_LIB).$(ASTPJ_SO_VERSION): SO_SUPPRESS_SYMBOLS=-Wl,--version-script,libasteriskpj.exports,--warn-common
 endif
@@ -298,7 +298,7 @@ ASTPJ_LIB:=libasteriskpj.dylib
 # /lib or /usr/lib
 $(ASTPJ_LIB): _ASTLDFLAGS+=-dynamiclib -install_name $(ASTLIBDIR)/$(ASTPJ_LIB) $(PJ_LDFLAGS)
 $(ASTPJ_LIB): _ASTCFLAGS+=-fPIC -DAST_MODULE=\"asteriskpj\" $(PJ_CFLAGS) -DAST_NOT_MODULE
-$(ASTPJ_LIB): LIBS+=$(PJPROJECT_LIBS)  -lssl -lcrypto -luuid -lm -lpthread $(RT_LIB)
+$(ASTPJ_LIB): LIBS+=$(PJPROJECT_LIBS)  $(OPENSSL_LIB) $(UUID_LIB) -lm -lpthread $(RT_LIB)
 $(ASTPJ_LIB): SOLINK=$(DYLINK)
 
 # Special rules for building a shared library (not a dynamically loadable module)

main/libasteriskssl.c

@@ -37,7 +37,7 @@
 #endif
 
 #if defined(HAVE_OPENSSL) && \
-	!defined(OPENSSL_VERSION_NUMBER) || OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+	(!defined(OPENSSL_VERSION_NUMBER) || OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER))
 
 #include <dlfcn.h>