public-libs: simplified visibility handling.

configure.ac

@@ -350,8 +350,8 @@ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sched.h>]], [[cpuset_t* set = cpuset
 
 # Use -fvisibility=hidden when linking.
 # Let's leave it default now and use -export-symbols-regex in LDFLAGS
-#gl_VISIBILITY()
-#CFLAGS="$CFLAGS $CFLAG_VISIBILITY"
+gl_VISIBILITY()
+CFLAGS="$CFLAGS $CFLAG_VISIBILITY"
 
 # Add code coverage macro
 AX_CODE_COVERAGE

src/Makefile.am

@@ -139,8 +139,7 @@ libknotus_la_SOURCES =				\
 # dynamic: libknot
 libknot_la_LDFLAGS =				\
 	$(AM_LDFLAGS)				\
-	-version-info 0:1:0			\
-	-export-symbols-regex '^(knot|KNOT|rrset|tsig|zone|mm)_'
+	-version-info 0:1:0
 
 libknot_la_SOURCES =				\
 	libknot/binary.c			\