Autotools: Give test suite access to internal symbols

expat/lib/Makefile.am

@@ -34,17 +34,25 @@ include_HEADERS = \
     expat_external.h
 
 lib_LTLIBRARIES = libexpat.la
+noinst_LTLIBRARIES = libexpatinternal.la
 
 libexpat_la_LDFLAGS = \
     @AM_LDFLAGS@ \
     -no-undefined \
     -version-info @LIBCURRENT@:@LIBREVISION@:@LIBAGE@
 
-libexpat_la_SOURCES = \
+libexpat_la_SOURCES =
+
+# This layer of indirection allows
+# the test suite to access internal symbols
+# despite compiling with -fvisibility=hidden
+libexpatinternal_la_SOURCES = \
     xmlparse.c \
     xmltok.c \
     xmlrole.c
 
+libexpat_la_LIBADD = libexpatinternal.la
+
 doc_DATA = \
     ../AUTHORS \
     ../Changes

expat/tests/Makefile.am

@@ -52,8 +52,8 @@ runtests_SOURCES = \
 runtestspp_SOURCES = \
     runtestspp.cpp
 
-runtests_LDADD = libruntests.a ../lib/libexpat.la
+runtests_LDADD = libruntests.a ../lib/libexpatinternal.la
-runtestspp_LDADD = libruntests.a ../lib/libexpat.la
+runtestspp_LDADD = libruntests.a ../lib/libexpatinternal.la
 
 EXTRA_DIST = \
     chardata.h \