commit 13d165de9e737cec750a2ab3d1ef68bb3f276c48
author Alexandros Frantzis <alexandros.frantzis@canonical.com> Fri Mar 10 14:25:27 2017 +0200
committer Alexandros Frantzis <alexandros.frantzis@canonical.com> Mon Mar 13 14:27:39 2017 +0200
tree 312cdee0255f8a5c7b48e87956b0a246defc1ee6
parent a69bc9de75fe08f5fe7ad6e2339dfc5b0da5d8ef

Hide unnecessary exported library symbols

src/Makefile.am

diff --git a/src/Makefile.am b/src/Makefile.am
index 8c25a10..6a91044 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -180,6 +180,10 @@
 
 libprotobuf_lite_la_LIBADD = $(PTHREAD_LIBS)
 libprotobuf_lite_la_LDFLAGS = -version-info 12:0:0 -export-dynamic -no-undefined
+if HAVE_LD_VERSION_SCRIPT
+libprotobuf_lite_la_LDFLAGS += -Wl,--version-script=$(srcdir)/libprotobuf-lite.map
+EXTRA_libprotobuf_lite_la_DEPENDENCIES = libprotobuf-lite.map
+endif
 libprotobuf_lite_la_SOURCES =                                  \
   google/protobuf/stubs/atomicops_internals_x86_gcc.cc         \
   google/protobuf/stubs/atomicops_internals_x86_msvc.cc        \
@@ -221,6 +225,10 @@
 
 libprotobuf_la_LIBADD = $(PTHREAD_LIBS)
 libprotobuf_la_LDFLAGS = -version-info 12:0:0 -export-dynamic -no-undefined
+if HAVE_LD_VERSION_SCRIPT
+libprotobuf_la_LDFLAGS += -Wl,--version-script=$(srcdir)/libprotobuf.map
+EXTRA_libprotobuf_la_DEPENDENCIES = libprotobuf.map
+endif
 libprotobuf_la_SOURCES =                                       \
   $(libprotobuf_lite_la_SOURCES)                               \
   google/protobuf/any.pb.cc                                    \
@@ -305,6 +313,10 @@
 
 libprotoc_la_LIBADD = $(PTHREAD_LIBS) libprotobuf.la
 libprotoc_la_LDFLAGS = -version-info 12:0:0 -export-dynamic -no-undefined
+if HAVE_LD_VERSION_SCRIPT
+libprotoc_la_LDFLAGS += -Wl,--version-script=$(srcdir)/libprotoc.map
+EXTRA_libprotoc_la_DEPENDENCIES = libprotoc.map
+endif
 libprotoc_la_SOURCES =                                         \
   google/protobuf/compiler/code_generator.cc                   \
   google/protobuf/compiler/command_line_interface.cc           \
@@ -580,6 +592,9 @@
   google/protobuf/compiler/ruby/ruby_generated_code_pb.rb      \
   google/protobuf/compiler/package_info.h                      \
   google/protobuf/compiler/zip_output_unittest.sh              \
+  libprotobuf-lite.map                                         \
+  libprotobuf.map                                              \
+  libprotoc.map                                                \
   README.md
 
 protoc_lite_outputs =                                          \