Lua(JIT)TeX: Hide all cairo, gmp, libpng, mpfr, pixman, poppler, zlib, and zziplib symbols

git-svn-id: svn://tug.org/texlive/trunk@35734 c570f23f-e606-0410-a88d-b1316a301751

52 files changed, 476 insertions, 17 deletions

diff --git a/Build/source/libs/cairo/Makefile.am b/Build/source/libs/cairo/Makefile.am
index 650f31dafcf..64fd506021f 100644
--- a/Build/source/libs/cairo/Makefile.am
+++ b/Build/source/libs/cairo/Makefile.am
@@ -24,7 +24,7 @@ dist-hook:
 SUBDIRS = . cairo
 
 AM_CPPFLAGS = -I$(top_srcdir)/$(CAIRO_SRC) $(PIXMAN_INCLUDES) -DCAIRO_NO_MUTEX
-AM_CFLAGS = $(CAIRO_ATTRIBUTE_FLAG) $(VISIBILITY_CFLAGS)
+AM_CFLAGS = $(CAIRO_ATTRIBUTE_FLAG) $(VISIBILITY_CFLAGS) # $(WARNING_CFLAGS)
 
 noinst_LIBRARIES = libcairo.a
 
diff --git a/Build/source/libs/cairo/Makefile.in b/Build/source/libs/cairo/Makefile.in
index 70effb4cfb5..f6b60db855b 100644
--- a/Build/source/libs/cairo/Makefile.in
+++ b/Build/source/libs/cairo/Makefile.in
@@ -907,7 +907,7 @@ EXTRA_DIST = $(CAIRO_TREE) $(CAIRO_TREE)-PATCHES
 CAIRO_SRC = $(CAIRO_TREE)/src
 SUBDIRS = . cairo
 AM_CPPFLAGS = -I$(top_srcdir)/$(CAIRO_SRC) $(PIXMAN_INCLUDES) -DCAIRO_NO_MUTEX
-AM_CFLAGS = $(CAIRO_ATTRIBUTE_FLAG) $(VISIBILITY_CFLAGS)
+AM_CFLAGS = $(CAIRO_ATTRIBUTE_FLAG) $(VISIBILITY_CFLAGS) # $(WARNING_CFLAGS)
 noinst_LIBRARIES = libcairo.a
 libcairo_a_SOURCES = @CAIRO_TREE@/src/cairo-analysis-surface.c \
 	@CAIRO_TREE@/src/cairo-arc.c @CAIRO_TREE@/src/cairo-array.c \
diff --git a/Build/source/libs/gmp/ChangeLog b/Build/source/libs/gmp/ChangeLog
index 09d9f0a4bbd..e001801a591 100644
--- a/Build/source/libs/gmp/ChangeLog
+++ b/Build/source/libs/gmp/ChangeLog
@@ -1,3 +1,8 @@
+2014-12-03  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* configure.ac: Added KPSE_COMPILER_VISIBILITY.
+	* Makefile.am [AM_CFLAGS]: Added $(VISIBILITY_CFLAGS).
+
 2014-06-26  Peter Breitenlohner  <peb@mppmu.mpg.de>
 
 	* Makefile.am: Add some files required with CFLAGS='-g3 -g -O0'.
diff --git a/Build/source/libs/gmp/Makefile.am b/Build/source/libs/gmp/Makefile.am
index 0e9e8a3b3fa..fcc5ebd969e 100644
--- a/Build/source/libs/gmp/Makefile.am
+++ b/Build/source/libs/gmp/Makefile.am
@@ -22,7 +22,7 @@ dist-hook:
 SUBDIRS = native . include
 
 AM_CPPFLAGS = -I$(srcdir)/$(GMP_TREE) -I$(srcdir)/$(GMP_TREE)/mpn/generic -DNO_ASM
-AM_CFLAGS = # $(WARNING_CFLAGS)
+AM_CFLAGS = $(VISIBILITY_CFLAGS) # $(WARNING_CFLAGS)
 
 noinst_LIBRARIES = libgmp.a
 $(libgmp_a_OBJECTS): mp_bases.h fac_table.h fib_table.h
diff --git a/Build/source/libs/gmp/Makefile.in b/Build/source/libs/gmp/Makefile.in
index 9863123f52b..c9cc5f917c5 100644
--- a/Build/source/libs/gmp/Makefile.in
+++ b/Build/source/libs/gmp/Makefile.in
@@ -103,6 +103,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/gmp-alloca.m4 \
 	$(top_srcdir)/m4/gmp-attribute.m4 \
 	$(top_srcdir)/m4/gmp-double-format.m4 \
 	$(top_srcdir)/../../m4/kpse-common.m4 \
+	$(top_srcdir)/../../m4/kpse-visibility.m4 \
 	$(top_srcdir)/../../m4/kpse-warnings.m4 \
 	$(top_srcdir)/version.ac $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
@@ -651,6 +652,7 @@ SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
 STRIP = @STRIP@
 VERSION = @VERSION@
+VISIBILITY_CFLAGS = @VISIBILITY_CFLAGS@
 WARNING_CFLAGS = @WARNING_CFLAGS@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
@@ -706,7 +708,7 @@ top_srcdir = @top_srcdir@
 EXTRA_DIST = $(GMP_TREE) $(GMP_TREE)-PATCHES
 SUBDIRS = native . include
 AM_CPPFLAGS = -I$(srcdir)/$(GMP_TREE) -I$(srcdir)/$(GMP_TREE)/mpn/generic -DNO_ASM
-AM_CFLAGS = # $(WARNING_CFLAGS)
+AM_CFLAGS = $(VISIBILITY_CFLAGS) # $(WARNING_CFLAGS)
 noinst_LIBRARIES = libgmp.a
 nodist_libgmp_a_SOURCES = \
 	$(basic_sources) \
diff --git a/Build/source/libs/gmp/aclocal.m4 b/Build/source/libs/gmp/aclocal.m4
index 03e96b7b9b3..567fd654e0d 100644
--- a/Build/source/libs/gmp/aclocal.m4
+++ b/Build/source/libs/gmp/aclocal.m4
@@ -1187,4 +1187,5 @@ m4_include([m4/gmp-alloca.m4])
 m4_include([m4/gmp-attribute.m4])
 m4_include([m4/gmp-double-format.m4])
 m4_include([../../m4/kpse-common.m4])
+m4_include([../../m4/kpse-visibility.m4])
 m4_include([../../m4/kpse-warnings.m4])
diff --git a/Build/source/libs/gmp/configure b/Build/source/libs/gmp/configure
index 986e461c85f..ae050b15044 100755
--- a/Build/source/libs/gmp/configure
+++ b/Build/source/libs/gmp/configure
@@ -648,6 +648,7 @@ build_os
 build_vendor
 build_cpu
 build
+VISIBILITY_CFLAGS
 LN_S
 RANLIB
 WARNING_CFLAGS
@@ -4928,6 +4929,56 @@ $as_echo "no, using $LN_S" >&6; }
 fi
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking CFLAGS for C to hide external symbols" >&5
+$as_echo_n "checking CFLAGS for C to hide external symbols... " >&6; }
+if ${kpse_cv_visibility_cflags+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+kpse_cv_visibility_cflags=unknown
+kpse_save_flags=$CFLAGS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+                                   extern void foo(void);
+                                   void foo(void){printf("foo\n");}
+_ACEOF
+# FIXME: Add tests for non-GNU compilers
+for kpse_flag in '-fvisibility=hidden -fvisibility-inlines-hidden' '-fvisibility=hidden'; do
+  CFLAGS="$kpse_save_flags -Werror $kpse_flag"
+  if ac_fn_c_try_compile "$LINENO"; then :
+  kpse_cv_visibility_cflags=$kpse_flag; break
+fi
+rm -f core conftest.err conftest.$ac_objext
+done
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $kpse_cv_visibility_cflags" >&5
+$as_echo "$kpse_cv_visibility_cflags" >&6; }
+CFLAGS=$kpse_save_flags
+case $kpse_cv_visibility_cflags in #(
+  unknown) :
+     ;; #(
+  *) :
+    VISIBILITY_CFLAGS=$kpse_cv_visibility_cflags
+ ;;
+esac
+
+
+
+
+
    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C99" >&5
 $as_echo_n "checking for $CC option to accept ISO C99... " >&6; }
 if ${ac_cv_prog_cc_c99+:} false; then :
diff --git a/Build/source/libs/gmp/configure.ac b/Build/source/libs/gmp/configure.ac
index fd31f005203..4bbb2733f02 100644
--- a/Build/source/libs/gmp/configure.ac
+++ b/Build/source/libs/gmp/configure.ac
@@ -20,6 +20,8 @@ AC_PROG_CC
 AC_PROG_RANLIB
 AC_PROG_LN_S
 
+KPSE_COMPILER_VISIBILITY
+
 AC_PROG_CC_C99
 CFLAGS="$CFLAGS -DNO_ASM"
 
diff --git a/Build/source/libs/gmp/include/Makefile.in b/Build/source/libs/gmp/include/Makefile.in
index 43c481ae0ff..fc501181695 100644
--- a/Build/source/libs/gmp/include/Makefile.in
+++ b/Build/source/libs/gmp/include/Makefile.in
@@ -85,6 +85,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/gmp-alloca.m4 \
 	$(top_srcdir)/m4/gmp-attribute.m4 \
 	$(top_srcdir)/m4/gmp-double-format.m4 \
 	$(top_srcdir)/../../m4/kpse-common.m4 \
+	$(top_srcdir)/../../m4/kpse-visibility.m4 \
 	$(top_srcdir)/../../m4/kpse-warnings.m4 \
 	$(top_srcdir)/version.ac $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
@@ -169,6 +170,7 @@ SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
 STRIP = @STRIP@
 VERSION = @VERSION@
+VISIBILITY_CFLAGS = @VISIBILITY_CFLAGS@
 WARNING_CFLAGS = @WARNING_CFLAGS@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/Build/source/libs/libpng/ChangeLog b/Build/source/libs/libpng/ChangeLog
index 4df526a348c..f9933c35519 100644
--- a/Build/source/libs/libpng/ChangeLog
+++ b/Build/source/libs/libpng/ChangeLog
@@ -1,3 +1,8 @@
+2014-12-03  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* configure.ac: Added KPSE_COMPILER_VISIBILITY.
+	* Makefile.am [AM_CFLAGS]: Added $(VISIBILITY_CFLAGS).
+
 2014-11-21  Peter Breitenlohner  <peb@mppmu.mpg.de>
 
 	Import libpng-1.6.15.
diff --git a/Build/source/libs/libpng/Makefile.am b/Build/source/libs/libpng/Makefile.am
index 788ea70edc6..35b76dc7006 100644
--- a/Build/source/libs/libpng/Makefile.am
+++ b/Build/source/libs/libpng/Makefile.am
@@ -28,7 +28,7 @@ dist-hook:
 SUBDIRS = . include
 
 AM_CPPFLAGS = -I$(top_srcdir)/$(LIBPNG_TREE) $(ZLIB_INCLUDES) $(LIBPNG_DEFINES)
-AM_CFLAGS = $(WARNING_CFLAGS)
+AM_CFLAGS = $(VISIBILITY_CFLAGS) $(WARNING_CFLAGS)
 
 noinst_LIBRARIES=libpng.a
 
diff --git a/Build/source/libs/libpng/Makefile.in b/Build/source/libs/libpng/Makefile.in
index bc059db68d8..d5b6c7ac282 100644
--- a/Build/source/libs/libpng/Makefile.in
+++ b/Build/source/libs/libpng/Makefile.in
@@ -95,6 +95,7 @@ DIST_COMMON = $(srcdir)/../../am/reconfig.am \
 subdir = .
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../../m4/kpse-common.m4 \
+	$(top_srcdir)/../../m4/kpse-visibility.m4 \
 	$(top_srcdir)/../../m4/kpse-warnings.m4 \
 	$(top_srcdir)/../../m4/kpse-zlib-flags.m4 \
 	$(top_srcdir)/version.ac $(top_srcdir)/configure.ac
@@ -502,6 +503,7 @@ SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
 STRIP = @STRIP@
 VERSION = @VERSION@
+VISIBILITY_CFLAGS = @VISIBILITY_CFLAGS@
 WARNING_CFLAGS = @WARNING_CFLAGS@
 ZLIB_DEPEND = @ZLIB_DEPEND@
 ZLIB_INCLUDES = @ZLIB_INCLUDES@
@@ -551,7 +553,7 @@ top_srcdir = @top_srcdir@
 EXTRA_DIST = $(LIBPNG_TREE) $(LIBPNG_TREE)-PATCHES
 SUBDIRS = . include
 AM_CPPFLAGS = -I$(top_srcdir)/$(LIBPNG_TREE) $(ZLIB_INCLUDES) $(LIBPNG_DEFINES)
-AM_CFLAGS = $(WARNING_CFLAGS)
+AM_CFLAGS = $(VISIBILITY_CFLAGS) $(WARNING_CFLAGS)
 noinst_LIBRARIES = libpng.a
 nodist_libpng_a_SOURCES = \
 	@LIBPNG_TREE@/png.c \
diff --git a/Build/source/libs/libpng/aclocal.m4 b/Build/source/libs/libpng/aclocal.m4
index 9db986d04fd..ad0c53db51b 100644
--- a/Build/source/libs/libpng/aclocal.m4
+++ b/Build/source/libs/libpng/aclocal.m4
@@ -1184,5 +1184,6 @@ AC_SUBST([am__untar])
 ]) # _AM_PROG_TAR
 
 m4_include([../../m4/kpse-common.m4])
+m4_include([../../m4/kpse-visibility.m4])
 m4_include([../../m4/kpse-warnings.m4])
 m4_include([../../m4/kpse-zlib-flags.m4])
diff --git a/Build/source/libs/libpng/configure b/Build/source/libs/libpng/configure
index 638554078c2..2eeb27b362c 100755
--- a/Build/source/libs/libpng/configure
+++ b/Build/source/libs/libpng/configure
@@ -638,6 +638,7 @@ POW_LIB
 EGREP
 GREP
 CPP
+VISIBILITY_CFLAGS
 LN_S
 RANLIB
 WARNING_CFLAGS
@@ -4834,6 +4835,56 @@ $as_echo "no, using $LN_S" >&6; }
 fi
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking CFLAGS for C to hide external symbols" >&5
+$as_echo_n "checking CFLAGS for C to hide external symbols... " >&6; }
+if ${kpse_cv_visibility_cflags+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+kpse_cv_visibility_cflags=unknown
+kpse_save_flags=$CFLAGS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+                                   extern void foo(void);
+                                   void foo(void){printf("foo\n");}
+_ACEOF
+# FIXME: Add tests for non-GNU compilers
+for kpse_flag in '-fvisibility=hidden -fvisibility-inlines-hidden' '-fvisibility=hidden'; do
+  CFLAGS="$kpse_save_flags -Werror $kpse_flag"
+  if ac_fn_c_try_compile "$LINENO"; then :
+  kpse_cv_visibility_cflags=$kpse_flag; break
+fi
+rm -f core conftest.err conftest.$ac_objext
+done
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $kpse_cv_visibility_cflags" >&5
+$as_echo "$kpse_cv_visibility_cflags" >&6; }
+CFLAGS=$kpse_save_flags
+case $kpse_cv_visibility_cflags in #(
+  unknown) :
+     ;; #(
+  *) :
+    VISIBILITY_CFLAGS=$kpse_cv_visibility_cflags
+ ;;
+esac
+
+
+
+
+
 ac_config_headers="$ac_config_headers config.h"
 
 
diff --git a/Build/source/libs/libpng/configure.ac b/Build/source/libs/libpng/configure.ac
index f7847972e30..8c815a8d753 100644
--- a/Build/source/libs/libpng/configure.ac
+++ b/Build/source/libs/libpng/configure.ac
@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 dnl
-dnl   Copyright (C) 2009-2013 Peter Breitenlohner <tex-live@tug.org>
+dnl   Copyright (C) 2009-2014 Peter Breitenlohner <tex-live@tug.org>
 dnl
 dnl   This file is free software; the copyright holder
 dnl   gives unlimited permission to copy and/or distribute it,
@@ -19,6 +19,8 @@ AC_PROG_CC
 AC_PROG_RANLIB
 AC_PROG_LN_S
 
+KPSE_COMPILER_VISIBILITY
+
 AC_CONFIG_HEADERS([config.h])
 
 # Checks for header files.
diff --git a/Build/source/libs/libpng/include/Makefile.in b/Build/source/libs/libpng/include/Makefile.in
index 20858230cc0..9274414f9ca 100644
--- a/Build/source/libs/libpng/include/Makefile.in
+++ b/Build/source/libs/libpng/include/Makefile.in
@@ -80,6 +80,7 @@ DIST_COMMON = $(top_srcdir)/../../am/hdr_links.am \
 subdir = include
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../../m4/kpse-common.m4 \
+	$(top_srcdir)/../../m4/kpse-visibility.m4 \
 	$(top_srcdir)/../../m4/kpse-warnings.m4 \
 	$(top_srcdir)/../../m4/kpse-zlib-flags.m4 \
 	$(top_srcdir)/version.ac $(top_srcdir)/configure.ac
@@ -161,6 +162,7 @@ SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
 STRIP = @STRIP@
 VERSION = @VERSION@
+VISIBILITY_CFLAGS = @VISIBILITY_CFLAGS@
 WARNING_CFLAGS = @WARNING_CFLAGS@
 ZLIB_DEPEND = @ZLIB_DEPEND@
 ZLIB_INCLUDES = @ZLIB_INCLUDES@
diff --git a/Build/source/libs/mpfr/ChangeLog b/Build/source/libs/mpfr/ChangeLog
index c3896dc3f07..374b495ca1c 100644
--- a/Build/source/libs/mpfr/ChangeLog
+++ b/Build/source/libs/mpfr/ChangeLog
@@ -1,3 +1,8 @@
+2014-12-03  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* configure.ac: Added KPSE_COMPILER_VISIBILITY.
+	* Makefile.am [AM_CFLAGS]: Added $(VISIBILITY_CFLAGS).
+
 2014-09-19  Taco Hoekwater  <taco@elvenkind.com>
 
 	* Makefile.am [Darwin]: Need to compile src/abort_prec_max.c.
diff --git a/Build/source/libs/mpfr/Makefile.am b/Build/source/libs/mpfr/Makefile.am
index 0889e5e47c5..61ebba8c386 100644
--- a/Build/source/libs/mpfr/Makefile.am
+++ b/Build/source/libs/mpfr/Makefile.am
@@ -22,7 +22,7 @@ dist-hook:
 SUBDIRS = . include
 
 AM_CPPFLAGS = -I$(srcdir)/$(MPFR_TREE)/src $(GMP_INCLUDES)
-AM_CFLAGS = # $(WARNING_CFLAGS)
+AM_CFLAGS = $(VISIBILITY_CFLAGS) # $(WARNING_CFLAGS)
 
 noinst_LIBRARIES = libmpfr.a
 $(libmpfr_a_OBJECTS): $(GMP_DEPEND)
diff --git a/Build/source/libs/mpfr/Makefile.in b/Build/source/libs/mpfr/Makefile.in
index 9b796bd2738..28317183861 100644
--- a/Build/source/libs/mpfr/Makefile.in
+++ b/Build/source/libs/mpfr/Makefile.in
@@ -106,6 +106,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/mpfr-check-printf-spec.m4 \
 	$(top_srcdir)/../../m4/kpse-gmp-flags.m4 \
 	$(top_srcdir)/../../m4/kpse-search-libs.m4 \
 	$(top_srcdir)/../../m4/kpse-size-max.m4 \
+	$(top_srcdir)/../../m4/kpse-visibility.m4 \
 	$(top_srcdir)/../../m4/kpse-warnings.m4 \
 	$(top_srcdir)/version.ac $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
@@ -588,6 +589,7 @@ SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
 STRIP = @STRIP@
 VERSION = @VERSION@
+VISIBILITY_CFLAGS = @VISIBILITY_CFLAGS@
 WARNING_CFLAGS = @WARNING_CFLAGS@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
@@ -642,7 +644,7 @@ top_srcdir = @top_srcdir@
 EXTRA_DIST = $(MPFR_TREE) $(MPFR_TREE)-PATCHES
 SUBDIRS = . include
 AM_CPPFLAGS = -I$(srcdir)/$(MPFR_TREE)/src $(GMP_INCLUDES)
-AM_CFLAGS = # $(WARNING_CFLAGS)
+AM_CFLAGS = $(VISIBILITY_CFLAGS) # $(WARNING_CFLAGS)
 noinst_LIBRARIES = libmpfr.a
 nodist_libmpfr_a_SOURCES = \
 	@MPFR_TREE@/src/abort_prec_max.c \
diff --git a/Build/source/libs/mpfr/aclocal.m4 b/Build/source/libs/mpfr/aclocal.m4
index 7684b85b907..be6474dfaa9 100644
--- a/Build/source/libs/mpfr/aclocal.m4
+++ b/Build/source/libs/mpfr/aclocal.m4
@@ -1190,4 +1190,5 @@ m4_include([../../m4/kpse-common.m4])
 m4_include([../../m4/kpse-gmp-flags.m4])
 m4_include([../../m4/kpse-search-libs.m4])
 m4_include([../../m4/kpse-size-max.m4])
+m4_include([../../m4/kpse-visibility.m4])
 m4_include([../../m4/kpse-warnings.m4])
diff --git a/Build/source/libs/mpfr/configure b/Build/source/libs/mpfr/configure
index 5b59952ec21..0733c3c2e36 100755
--- a/Build/source/libs/mpfr/configure
+++ b/Build/source/libs/mpfr/configure
@@ -646,6 +646,7 @@ build_os
 build_vendor
 build_cpu
 build
+VISIBILITY_CFLAGS
 LN_S
 RANLIB
 WARNING_CFLAGS
@@ -4890,6 +4891,56 @@ $as_echo "no, using $LN_S" >&6; }
 fi
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking CFLAGS for C to hide external symbols" >&5
+$as_echo_n "checking CFLAGS for C to hide external symbols... " >&6; }
+if ${kpse_cv_visibility_cflags+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+kpse_cv_visibility_cflags=unknown
+kpse_save_flags=$CFLAGS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+                                   extern void foo(void);
+                                   void foo(void){printf("foo\n");}
+_ACEOF
+# FIXME: Add tests for non-GNU compilers
+for kpse_flag in '-fvisibility=hidden -fvisibility-inlines-hidden' '-fvisibility=hidden'; do
+  CFLAGS="$kpse_save_flags -Werror $kpse_flag"
+  if ac_fn_c_try_compile "$LINENO"; then :
+  kpse_cv_visibility_cflags=$kpse_flag; break
+fi
+rm -f core conftest.err conftest.$ac_objext
+done
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $kpse_cv_visibility_cflags" >&5
+$as_echo "$kpse_cv_visibility_cflags" >&6; }
+CFLAGS=$kpse_save_flags
+case $kpse_cv_visibility_cflags in #(
+  unknown) :
+     ;; #(
+  *) :
+    VISIBILITY_CFLAGS=$kpse_cv_visibility_cflags
+ ;;
+esac
+
+
+
+
+
 ac_config_headers="$ac_config_headers config.h"
 
 
diff --git a/Build/source/libs/mpfr/configure.ac b/Build/source/libs/mpfr/configure.ac
index 00e3bf4663d..00354de953d 100644
--- a/Build/source/libs/mpfr/configure.ac
+++ b/Build/source/libs/mpfr/configure.ac
@@ -20,6 +20,8 @@ AC_PROG_CC
 AC_PROG_RANLIB
 AC_PROG_LN_S
 
+KPSE_COMPILER_VISIBILITY
+
 AC_CONFIG_HEADERS([config.h])
 
 KPSE_CANONICAL_HOST
diff --git a/Build/source/libs/mpfr/include/Makefile.in b/Build/source/libs/mpfr/include/Makefile.in
index dbd5a068db2..596e7fd3fb7 100644
--- a/Build/source/libs/mpfr/include/Makefile.in
+++ b/Build/source/libs/mpfr/include/Makefile.in
@@ -88,6 +88,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/mpfr-check-printf-spec.m4 \
 	$(top_srcdir)/../../m4/kpse-gmp-flags.m4 \
 	$(top_srcdir)/../../m4/kpse-search-libs.m4 \
 	$(top_srcdir)/../../m4/kpse-size-max.m4 \
+	$(top_srcdir)/../../m4/kpse-visibility.m4 \
 	$(top_srcdir)/../../m4/kpse-warnings.m4 \
 	$(top_srcdir)/version.ac $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
@@ -171,6 +172,7 @@ SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
 STRIP = @STRIP@
 VERSION = @VERSION@
+VISIBILITY_CFLAGS = @VISIBILITY_CFLAGS@
 WARNING_CFLAGS = @WARNING_CFLAGS@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/Build/source/libs/pixman/ChangeLog b/Build/source/libs/pixman/ChangeLog
index 0125498b2ca..eb2e493282c 100644
--- a/Build/source/libs/pixman/ChangeLog
+++ b/Build/source/libs/pixman/ChangeLog
@@ -1,3 +1,8 @@
+2014-12-03  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* configure.ac: Added KPSE_COMPILER_VISIBILITY.
+	* Makefile.am [AM_CFLAGS]: Added $(VISIBILITY_CFLAGS).
+
 2014-07-07  Peter Breitenlohner  <peb@mppmu.mpg.de>
 
 	Import pixman-0.32.6.
diff --git a/Build/source/libs/pixman/Makefile.am b/Build/source/libs/pixman/Makefile.am
index 84a1809852e..31b89f47550 100644
--- a/Build/source/libs/pixman/Makefile.am
+++ b/Build/source/libs/pixman/Makefile.am
@@ -25,6 +25,7 @@ dist-hook:
 SUBDIRS = . include
 
 AM_CPPFLAGS = -I$(top_srcdir)/$(PIXMAN_SRC)
+AM_CFLAGS = $(VISIBILITY_CFLAGS) # $(WARNING_CFLAGS)
 
 noinst_LIBRARIES = libpixman.a
 
diff --git a/Build/source/libs/pixman/Makefile.in b/Build/source/libs/pixman/Makefile.in
index 74672c015b4..d93c4474a22 100644
--- a/Build/source/libs/pixman/Makefile.in
+++ b/Build/source/libs/pixman/Makefile.in
@@ -98,6 +98,7 @@ ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../../m4/kpse-common.m4 \
 	$(top_srcdir)/../../m4/kpse-lib-version.m4 \
 	$(top_srcdir)/../../m4/kpse-size-max.m4 \
+	$(top_srcdir)/../../m4/kpse-visibility.m4 \
 	$(top_srcdir)/../../m4/kpse-warnings.m4 \
 	$(top_srcdir)/version.ac $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
@@ -528,6 +529,7 @@ SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
 STRIP = @STRIP@
 VERSION = @VERSION@
+VISIBILITY_CFLAGS = @VISIBILITY_CFLAGS@
 WARNING_CFLAGS = @WARNING_CFLAGS@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
@@ -575,6 +577,7 @@ EXTRA_DIST = $(PIXMAN_TREE) $(PIXMAN_TREE)-PATCHES
 PIXMAN_SRC = $(PIXMAN_TREE)/pixman
 SUBDIRS = . include
 AM_CPPFLAGS = -I$(top_srcdir)/$(PIXMAN_SRC)
+AM_CFLAGS = $(VISIBILITY_CFLAGS) # $(WARNING_CFLAGS)
 noinst_LIBRARIES = libpixman.a
 libpixman_sources = \
 	@PIXMAN_TREE@/pixman/pixman.c \
diff --git a/Build/source/libs/pixman/aclocal.m4 b/Build/source/libs/pixman/aclocal.m4
index 68edc2b237b..0ebf296045d 100644
--- a/Build/source/libs/pixman/aclocal.m4
+++ b/Build/source/libs/pixman/aclocal.m4
@@ -1186,4 +1186,5 @@ AC_SUBST([am__untar])
 m4_include([../../m4/kpse-common.m4])
 m4_include([../../m4/kpse-lib-version.m4])
 m4_include([../../m4/kpse-size-max.m4])
+m4_include([../../m4/kpse-visibility.m4])
 m4_include([../../m4/kpse-warnings.m4])
diff --git a/Build/source/libs/pixman/configure b/Build/source/libs/pixman/configure
index 8679ff232ec..1f1784f974c 100755
--- a/Build/source/libs/pixman/configure
+++ b/Build/source/libs/pixman/configure
@@ -629,6 +629,7 @@ LIBOBJS
 PIXMAN_TREE
 build_FALSE
 build_TRUE
+VISIBILITY_CFLAGS
 EGREP
 GREP
 CPP
@@ -5584,6 +5585,56 @@ _ACEOF
 esac
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking CFLAGS for C to hide external symbols" >&5
+$as_echo_n "checking CFLAGS for C to hide external symbols... " >&6; }
+if ${kpse_cv_visibility_cflags+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+kpse_cv_visibility_cflags=unknown
+kpse_save_flags=$CFLAGS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+                                   extern void foo(void);
+                                   void foo(void){printf("foo\n");}
+_ACEOF
+# FIXME: Add tests for non-GNU compilers
+for kpse_flag in '-fvisibility=hidden -fvisibility-inlines-hidden' '-fvisibility=hidden'; do
+  CFLAGS="$kpse_save_flags -Werror $kpse_flag"
+  if ac_fn_c_try_compile "$LINENO"; then :
+  kpse_cv_visibility_cflags=$kpse_flag; break
+fi
+rm -f core conftest.err conftest.$ac_objext
+done
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $kpse_cv_visibility_cflags" >&5
+$as_echo "$kpse_cv_visibility_cflags" >&6; }
+CFLAGS=$kpse_save_flags
+case $kpse_cv_visibility_cflags in #(
+  unknown) :
+     ;; #(
+  *) :
+    VISIBILITY_CFLAGS=$kpse_cv_visibility_cflags
+ ;;
+esac
+
+
+
+
+
 ac_config_headers="$ac_config_headers config.h"
 
 
diff --git a/Build/source/libs/pixman/configure.ac b/Build/source/libs/pixman/configure.ac
index 4f54aa8c4cc..7291f504530 100644
--- a/Build/source/libs/pixman/configure.ac
+++ b/Build/source/libs/pixman/configure.ac
@@ -29,6 +29,8 @@ AC_CHECK_FUNCS([getisax])
 AC_C_BIGENDIAN
 AC_C_INLINE
 
+KPSE_COMPILER_VISIBILITY
+
 AC_CONFIG_HEADERS([config.h])
 
 AM_CONDITIONAL([build], [test "x$enable_build" != xno])
diff --git a/Build/source/libs/pixman/include/Makefile.in b/Build/source/libs/pixman/include/Makefile.in
index f9666692057..034802af228 100644
--- a/Build/source/libs/pixman/include/Makefile.in
+++ b/Build/source/libs/pixman/include/Makefile.in
@@ -82,6 +82,7 @@ ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../../m4/kpse-common.m4 \
 	$(top_srcdir)/../../m4/kpse-lib-version.m4 \
 	$(top_srcdir)/../../m4/kpse-size-max.m4 \
+	$(top_srcdir)/../../m4/kpse-visibility.m4 \
 	$(top_srcdir)/../../m4/kpse-warnings.m4 \
 	$(top_srcdir)/version.ac $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
@@ -163,6 +164,7 @@ SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
 STRIP = @STRIP@
 VERSION = @VERSION@
+VISIBILITY_CFLAGS = @VISIBILITY_CFLAGS@
 WARNING_CFLAGS = @WARNING_CFLAGS@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
diff --git a/Build/source/libs/pixman/pixman-0.32.6-PATCHES/ChangeLog b/Build/source/libs/pixman/pixman-0.32.6-PATCHES/ChangeLog
index b49f74809d2..fa46f564777 100644
--- a/Build/source/libs/pixman/pixman-0.32.6-PATCHES/ChangeLog
+++ b/Build/source/libs/pixman/pixman-0.32.6-PATCHES/ChangeLog
@@ -1,3 +1,7 @@
+2014-12-04  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-01-hide-symbols (new): Allow to hide all symbols.
+
 2014-07-07  Peter Breitenlohner  <peb@mppmu.mpg.de>
 
 	Import pixman-0.32.6.
diff --git a/Build/source/libs/pixman/pixman-0.32.6-PATCHES/patch-01-hide-symbols b/Build/source/libs/pixman/pixman-0.32.6-PATCHES/patch-01-hide-symbols
new file mode 100644
index 00000000000..dfcd5bf86ce
--- /dev/null
+++ b/Build/source/libs/pixman/pixman-0.32.6-PATCHES/patch-01-hide-symbols
@@ -0,0 +1,12 @@
+diff -ur pixman-0.32.6.orig/pixman/pixman-compiler.h pixman-0.32.6/pixman/pixman-compiler.h
+--- pixman-0.32.6.orig/pixman/pixman-compiler.h	2014-04-24 06:34:14.000000000 +0200
++++ pixman-0.32.6/pixman/pixman-compiler.h	2014-12-04 08:34:52.000000000 +0100
+@@ -91,7 +91,7 @@
+ 
+ /* GCC visibility */
+ #if defined(__GNUC__) && __GNUC__ >= 4 && !defined(_WIN32)
+-#   define PIXMAN_EXPORT __attribute__ ((visibility("default")))
++#   define PIXMAN_EXPORT
+ /* Sun Studio 8 visibility */
+ #elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550)
+ #   define PIXMAN_EXPORT __global
diff --git a/Build/source/libs/pixman/pixman-0.32.6/pixman/pixman-compiler.h b/Build/source/libs/pixman/pixman-0.32.6/pixman/pixman-compiler.h
index 2489adc38e0..eb97acdbd0c 100644
--- a/Build/source/libs/pixman/pixman-0.32.6/pixman/pixman-compiler.h
+++ b/Build/source/libs/pixman/pixman-0.32.6/pixman/pixman-compiler.h
@@ -91,7 +91,7 @@
 
 /* GCC visibility */
 #if defined(__GNUC__) && __GNUC__ >= 4 && !defined(_WIN32)
-#   define PIXMAN_EXPORT __attribute__ ((visibility("default")))
+#   define PIXMAN_EXPORT
 /* Sun Studio 8 visibility */
 #elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550)
 #   define PIXMAN_EXPORT __global
diff --git a/Build/source/libs/poppler/ChangeLog b/Build/source/libs/poppler/ChangeLog
index ebca79c302e..99aa4c4fc46 100644
--- a/Build/source/libs/poppler/ChangeLog
+++ b/Build/source/libs/poppler/ChangeLog
@@ -1,3 +1,8 @@
+2014-12-03  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* configure.ac: Added KPSE_COMPILER_VISIBILITY.
+	* Makefile.am [AM_C*FLAGS]: Added $(VISIBILITY_C*FLAGS).
+
 2014-11-04  Peter Breitenlohner  <peb@mppmu.mpg.de>
 
 	Import poppler-0.28.0.
diff --git a/Build/source/libs/poppler/Makefile.am b/Build/source/libs/poppler/Makefile.am
index 3ac0098709a..3951d2a00a7 100644
--- a/Build/source/libs/poppler/Makefile.am
+++ b/Build/source/libs/poppler/Makefile.am
@@ -26,8 +26,8 @@ POPPLER_SRC = $(top_srcdir)/$(POPPLER_TREE)/poppler
 
 AM_CPPFLAGS = -I$(top_srcdir)/$(POPPLER_TREE) -I$(GOO_SRC) $(ZLIB_INCLUDES)
 AM_CPPFLAGS += -DPOPPLER_DATADIR='"."'
-AM_CFLAGS = $(WARNING_CFLAGS)
-AM_CXXFLAGS = $(NO_WARN_CXXFLAGS)
+AM_CFLAGS = $(VISIBILITY_CFLAGS) $(WARNING_CFLAGS)
+AM_CXXFLAGS = $(VISIBILITY_CXXFLAGS) $(NO_WARN_CXXFLAGS)
 
 noinst_LIBRARIES = libpoppler.a
 
diff --git a/Build/source/libs/poppler/Makefile.in b/Build/source/libs/poppler/Makefile.in
index 5081680bcc8..381731d8e6d 100644
--- a/Build/source/libs/poppler/Makefile.in
+++ b/Build/source/libs/poppler/Makefile.in
@@ -93,6 +93,7 @@ DIST_COMMON = $(srcdir)/../../am/reconfig.am \
 subdir = .
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../../m4/kpse-common.m4 \
+	$(top_srcdir)/../../m4/kpse-visibility.m4 \
 	$(top_srcdir)/../../m4/kpse-warnings.m4 \
 	$(top_srcdir)/../../m4/kpse-win32.m4 \
 	$(top_srcdir)/../../m4/kpse-zlib-flags.m4 \
@@ -365,6 +366,8 @@ SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
 STRIP = @STRIP@
 VERSION = @VERSION@
+VISIBILITY_CFLAGS = @VISIBILITY_CFLAGS@
+VISIBILITY_CXXFLAGS = @VISIBILITY_CXXFLAGS@
 WARNING_CFLAGS = @WARNING_CFLAGS@
 WARNING_CXXFLAGS = @WARNING_CXXFLAGS@
 ZLIB_DEPEND = @ZLIB_DEPEND@
@@ -420,8 +423,8 @@ FOFI_SRC = $(top_srcdir)/$(POPPLER_TREE)/fofi
 POPPLER_SRC = $(top_srcdir)/$(POPPLER_TREE)/poppler
 AM_CPPFLAGS = -I$(top_srcdir)/$(POPPLER_TREE) -I$(GOO_SRC) \
 	$(ZLIB_INCLUDES) -DPOPPLER_DATADIR='"."'
-AM_CFLAGS = $(WARNING_CFLAGS)
-AM_CXXFLAGS = $(NO_WARN_CXXFLAGS)
+AM_CFLAGS = $(VISIBILITY_CFLAGS) $(WARNING_CFLAGS)
+AM_CXXFLAGS = $(VISIBILITY_CXXFLAGS) $(NO_WARN_CXXFLAGS)
 noinst_LIBRARIES = libpoppler.a
 nodist_libpoppler_a_SOURCES = \
 	$(goo_libGoo_a_sources) \
diff --git a/Build/source/libs/poppler/aclocal.m4 b/Build/source/libs/poppler/aclocal.m4
index 5db0dd6531e..4d694ecb52d 100644
--- a/Build/source/libs/poppler/aclocal.m4
+++ b/Build/source/libs/poppler/aclocal.m4
@@ -1184,6 +1184,7 @@ AC_SUBST([am__untar])
 ]) # _AM_PROG_TAR
 
 m4_include([../../m4/kpse-common.m4])
+m4_include([../../m4/kpse-visibility.m4])
 m4_include([../../m4/kpse-warnings.m4])
 m4_include([../../m4/kpse-win32.m4])
 m4_include([../../m4/kpse-zlib-flags.m4])
diff --git a/Build/source/libs/poppler/configure b/Build/source/libs/poppler/configure
index 30debd44628..7d17483ca11 100755
--- a/Build/source/libs/poppler/configure
+++ b/Build/source/libs/poppler/configure
@@ -641,6 +641,8 @@ NO_WARN_CXXFLAGS
 EGREP
 GREP
 CPP
+VISIBILITY_CXXFLAGS
+VISIBILITY_CFLAGS
 LN_S
 RANLIB
 WARNING_CXXFLAGS
@@ -5449,6 +5451,103 @@ $as_echo "no, using $LN_S" >&6; }
 fi
 
 
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking CFLAGS for C to hide external symbols" >&5
+$as_echo_n "checking CFLAGS for C to hide external symbols... " >&6; }
+if ${kpse_cv_visibility_cflags+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+kpse_cv_visibility_cflags=unknown
+kpse_save_flags=$CFLAGS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+                                   extern void foo(void);
+                                   void foo(void){printf("foo\n");}
+_ACEOF
+# FIXME: Add tests for non-GNU compilers
+for kpse_flag in '-fvisibility=hidden -fvisibility-inlines-hidden' '-fvisibility=hidden'; do
+  CFLAGS="$kpse_save_flags -Werror $kpse_flag"
+  if ac_fn_c_try_compile "$LINENO"; then :
+  kpse_cv_visibility_cflags=$kpse_flag; break
+fi
+rm -f core conftest.err conftest.$ac_objext
+done
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $kpse_cv_visibility_cflags" >&5
+$as_echo "$kpse_cv_visibility_cflags" >&6; }
+CFLAGS=$kpse_save_flags
+case $kpse_cv_visibility_cflags in #(
+  unknown) :
+     ;; #(
+  *) :
+    VISIBILITY_CFLAGS=$kpse_cv_visibility_cflags
+ ;;
+esac
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking CXXFLAGS for C++ to hide external symbols" >&5
+$as_echo_n "checking CXXFLAGS for C++ to hide external symbols... " >&6; }
+if ${kpse_cv_visibility_cxxflags+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+kpse_cv_visibility_cxxflags=unknown
+kpse_save_flags=$CXXFLAGS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+                                   extern void foo(void);
+                                   void foo(void){printf("foo\n");}
+_ACEOF
+# FIXME: Add tests for non-GNU compilers
+for kpse_flag in '-fvisibility=hidden -fvisibility-inlines-hidden' '-fvisibility=hidden'; do
+  CXXFLAGS="$kpse_save_flags -Werror $kpse_flag"
+  if ac_fn_cxx_try_compile "$LINENO"; then :
+  kpse_cv_visibility_cxxflags=$kpse_flag; break
+fi
+rm -f core conftest.err conftest.$ac_objext
+done
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $kpse_cv_visibility_cxxflags" >&5
+$as_echo "$kpse_cv_visibility_cxxflags" >&6; }
+CXXFLAGS=$kpse_save_flags
+case $kpse_cv_visibility_cxxflags in #(
+  unknown) :
+     ;; #(
+  *) :
+    VISIBILITY_CXXFLAGS=$kpse_cv_visibility_cxxflags
+ ;;
+esac
+
+
+
+
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
diff --git a/Build/source/libs/poppler/configure.ac b/Build/source/libs/poppler/configure.ac
index 84a4a249b93..cd5430f19c8 100644
--- a/Build/source/libs/poppler/configure.ac
+++ b/Build/source/libs/poppler/configure.ac
@@ -20,6 +20,8 @@ AC_PROG_CXX
 AC_PROG_RANLIB
 AC_PROG_LN_S
 
+KPSE_COMPILER_VISIBILITY
+
 AC_CHECK_SIZEOF([long long])
 if test $ac_cv_sizeof_long_long -lt 8; then
   AC_MSG_ERROR([Sorry, your compiler has no `long long' with at least 8 bytes.])
diff --git a/Build/source/libs/poppler/include/Makefile.in b/Build/source/libs/poppler/include/Makefile.in
index 7386ebdb2f2..8b7e4637d12 100644
--- a/Build/source/libs/poppler/include/Makefile.in
+++ b/Build/source/libs/poppler/include/Makefile.in
@@ -80,6 +80,7 @@ DIST_COMMON = $(top_srcdir)/../../am/hdr_links.am \
 subdir = include
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../../m4/kpse-common.m4 \
+	$(top_srcdir)/../../m4/kpse-visibility.m4 \
 	$(top_srcdir)/../../m4/kpse-warnings.m4 \
 	$(top_srcdir)/../../m4/kpse-win32.m4 \
 	$(top_srcdir)/../../m4/kpse-zlib-flags.m4 \
@@ -225,6 +226,8 @@ SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
 STRIP = @STRIP@
 VERSION = @VERSION@
+VISIBILITY_CFLAGS = @VISIBILITY_CFLAGS@
+VISIBILITY_CXXFLAGS = @VISIBILITY_CXXFLAGS@
 WARNING_CFLAGS = @WARNING_CFLAGS@
 WARNING_CXXFLAGS = @WARNING_CXXFLAGS@
 ZLIB_DEPEND = @ZLIB_DEPEND@
diff --git a/Build/source/libs/poppler/include/fofi/Makefile.in b/Build/source/libs/poppler/include/fofi/Makefile.in
index 3e8f032d739..896aa75f00a 100644
--- a/Build/source/libs/poppler/include/fofi/Makefile.in
+++ b/Build/source/libs/poppler/include/fofi/Makefile.in
@@ -80,6 +80,7 @@ DIST_COMMON = $(top_srcdir)/../../am/hdr_links.am \
 subdir = include/fofi
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../../m4/kpse-common.m4 \
+	$(top_srcdir)/../../m4/kpse-visibility.m4 \
 	$(top_srcdir)/../../m4/kpse-warnings.m4 \
 	$(top_srcdir)/../../m4/kpse-win32.m4 \
 	$(top_srcdir)/../../m4/kpse-zlib-flags.m4 \
@@ -165,6 +166,8 @@ SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
 STRIP = @STRIP@
 VERSION = @VERSION@
+VISIBILITY_CFLAGS = @VISIBILITY_CFLAGS@
+VISIBILITY_CXXFLAGS = @VISIBILITY_CXXFLAGS@
 WARNING_CFLAGS = @WARNING_CFLAGS@
 WARNING_CXXFLAGS = @WARNING_CXXFLAGS@
 ZLIB_DEPEND = @ZLIB_DEPEND@
diff --git a/Build/source/libs/poppler/include/goo/Makefile.in b/Build/source/libs/poppler/include/goo/Makefile.in
index f8115f8e39b..25370991459 100644
--- a/Build/source/libs/poppler/include/goo/Makefile.in
+++ b/Build/source/libs/poppler/include/goo/Makefile.in
@@ -80,6 +80,7 @@ DIST_COMMON = $(top_srcdir)/../../am/hdr_links.am \
 subdir = include/goo
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../../m4/kpse-common.m4 \
+	$(top_srcdir)/../../m4/kpse-visibility.m4 \
 	$(top_srcdir)/../../m4/kpse-warnings.m4 \
 	$(top_srcdir)/../../m4/kpse-win32.m4 \
 	$(top_srcdir)/../../m4/kpse-zlib-flags.m4 \
@@ -165,6 +166,8 @@ SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
 STRIP = @STRIP@
 VERSION = @VERSION@
+VISIBILITY_CFLAGS = @VISIBILITY_CFLAGS@
+VISIBILITY_CXXFLAGS = @VISIBILITY_CXXFLAGS@
 WARNING_CFLAGS = @WARNING_CFLAGS@
 WARNING_CXXFLAGS = @WARNING_CXXFLAGS@
 ZLIB_DEPEND = @ZLIB_DEPEND@
diff --git a/Build/source/libs/zlib/ChangeLog b/Build/source/libs/zlib/ChangeLog
index 1d6cd49c118..74cdaa57d3e 100644
--- a/Build/source/libs/zlib/ChangeLog
+++ b/Build/source/libs/zlib/ChangeLog
@@ -1,3 +1,8 @@
+2014-12-03  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* configure.ac: Added KPSE_COMPILER_VISIBILITY.
+	* Makefile.am [AM_CFLAGS]: Added $(VISIBILITY_CFLAGS).
+
 2014-06-16  Peter Breitenlohner  <peb@mppmu.mpg.de>
 
 	* Makefile.am: Drop the obsolete ACLOCAL_AMFLAGS.
diff --git a/Build/source/libs/zlib/Makefile.am b/Build/source/libs/zlib/Makefile.am
index adb52b75c15..4456426c7d4 100644
--- a/Build/source/libs/zlib/Makefile.am
+++ b/Build/source/libs/zlib/Makefile.am
@@ -22,6 +22,7 @@ dist-hook:
 SUBDIRS = . include
 
 AM_CPPFLAGS = -I$(top_srcdir)/$(ZLIB_TREE) $(ZLIB_DEFINES)
+AM_CFLAGS = $(VISIBILITY_CFLAGS) # $(WARNING_CFLAGS)
 
 noinst_LIBRARIES = libz.a
 
diff --git a/Build/source/libs/zlib/Makefile.in b/Build/source/libs/zlib/Makefile.in
index 0b2328dd029..7e8f05ca083 100644
--- a/Build/source/libs/zlib/Makefile.in
+++ b/Build/source/libs/zlib/Makefile.in
@@ -549,6 +549,7 @@ top_srcdir = @top_srcdir@
 EXTRA_DIST = $(ZLIB_TREE) $(ZLIB_TREE)-PATCHES
 SUBDIRS = . include
 AM_CPPFLAGS = -I$(top_srcdir)/$(ZLIB_TREE) $(ZLIB_DEFINES)
+AM_CFLAGS = $(VISIBILITY_CFLAGS) # $(WARNING_CFLAGS)
 noinst_LIBRARIES = libz.a
 nodist_libz_a_SOURCES = \
 	@ZLIB_TREE@/adler32.c \
diff --git a/Build/source/libs/zziplib/ChangeLog b/Build/source/libs/zziplib/ChangeLog
index 995e618e337..1a40ce7ff9f 100644
--- a/Build/source/libs/zziplib/ChangeLog
+++ b/Build/source/libs/zziplib/ChangeLog
@@ -1,3 +1,8 @@
+2014-12-03  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* configure.ac: Added KPSE_COMPILER_VISIBILITY.
+	* Makefile.am [AM_CFLAGS]: Added $(VISIBILITY_CFLAGS).
+
 2014-07-11  Peter Breitenlohner  <peb@mppmu.mpg.de>
 
 	* configure.ac: Reenable mmap for 32- and 64-bit Windows.
diff --git a/Build/source/libs/zziplib/Makefile.am b/Build/source/libs/zziplib/Makefile.am
index b2d58e59502..0a15a6ecb84 100644
--- a/Build/source/libs/zziplib/Makefile.am
+++ b/Build/source/libs/zziplib/Makefile.am
@@ -26,7 +26,7 @@ SUBDIRS = . include/zzip
 
 AM_CPPFLAGS = -Iinclude -I$(top_srcdir)/$(ZZIPLIB_TREE) $(ZLIB_INCLUDES)
 AM_CPPFLAGS += $(ZZIPLIB_DEFINES)
-AM_CFLAGS = $(WARNING_CFLAGS)
+AM_CFLAGS = $(VISIBILITY_CFLAGS) $(WARNING_CFLAGS)
 
 noinst_LIBRARIES=libzzip.a
 
diff --git a/Build/source/libs/zziplib/Makefile.in b/Build/source/libs/zziplib/Makefile.in
index 2a9310543a7..f6cce8de7a2 100644
--- a/Build/source/libs/zziplib/Makefile.in
+++ b/Build/source/libs/zziplib/Makefile.in
@@ -102,6 +102,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ac_sys_largefile_sensitive.m4 \
 	$(top_srcdir)/m4/ax_prefix_config_h.m4 \
 	$(top_srcdir)/m4/zziplib-aligned-access.m4 \
 	$(top_srcdir)/../../m4/kpse-common.m4 \
+	$(top_srcdir)/../../m4/kpse-visibility.m4 \
 	$(top_srcdir)/../../m4/kpse-warnings.m4 \
 	$(top_srcdir)/../../m4/kpse-zlib-flags.m4 \
 	$(top_srcdir)/version.ac $(top_srcdir)/configure.ac
@@ -502,6 +503,7 @@ SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
 STRIP = @STRIP@
 VERSION = @VERSION@
+VISIBILITY_CFLAGS = @VISIBILITY_CFLAGS@
 WARNING_CFLAGS = @WARNING_CFLAGS@
 ZLIB_DEPEND = @ZLIB_DEPEND@
 ZLIB_INCLUDES = @ZLIB_INCLUDES@
@@ -562,7 +564,7 @@ EXTRA_DIST = $(ZZIPLIB_TREE) $(ZZIPLIB_TREE)-PATCHES
 SUBDIRS = . include/zzip
 AM_CPPFLAGS = -Iinclude -I$(top_srcdir)/$(ZZIPLIB_TREE) \
 	$(ZLIB_INCLUDES) $(ZZIPLIB_DEFINES)
-AM_CFLAGS = $(WARNING_CFLAGS)
+AM_CFLAGS = $(VISIBILITY_CFLAGS) $(WARNING_CFLAGS)
 noinst_LIBRARIES = libzzip.a
 nodist_libzzip_a_SOURCES = \
 	@ZZIPLIB_TREE@/zzip/dir.c \
diff --git a/Build/source/libs/zziplib/aclocal.m4 b/Build/source/libs/zziplib/aclocal.m4
index df7a4354cbc..045726fd96b 100644
--- a/Build/source/libs/zziplib/aclocal.m4
+++ b/Build/source/libs/zziplib/aclocal.m4
@@ -1187,5 +1187,6 @@ m4_include([m4/ac_sys_largefile_sensitive.m4])
 m4_include([m4/ax_prefix_config_h.m4])
 m4_include([m4/zziplib-aligned-access.m4])
 m4_include([../../m4/kpse-common.m4])
+m4_include([../../m4/kpse-visibility.m4])
 m4_include([../../m4/kpse-warnings.m4])
 m4_include([../../m4/kpse-zlib-flags.m4])
diff --git a/Build/source/libs/zziplib/configure b/Build/source/libs/zziplib/configure
index 83933ff36ea..2674f1c84e5 100755
--- a/Build/source/libs/zziplib/configure
+++ b/Build/source/libs/zziplib/configure
@@ -637,6 +637,7 @@ ZZIPLIB_DEFINES
 EGREP
 GREP
 CPP
+VISIBILITY_CFLAGS
 LN_S
 RANLIB
 host_os
@@ -5103,6 +5104,56 @@ $as_echo "no, using $LN_S" >&6; }
 fi
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking CFLAGS for C to hide external symbols" >&5
+$as_echo_n "checking CFLAGS for C to hide external symbols... " >&6; }
+if ${kpse_cv_visibility_cflags+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+kpse_cv_visibility_cflags=unknown
+kpse_save_flags=$CFLAGS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+                                   extern void foo(void);
+                                   void foo(void){printf("foo\n");}
+_ACEOF
+# FIXME: Add tests for non-GNU compilers
+for kpse_flag in '-fvisibility=hidden -fvisibility-inlines-hidden' '-fvisibility=hidden'; do
+  CFLAGS="$kpse_save_flags -Werror $kpse_flag"
+  if ac_fn_c_try_compile "$LINENO"; then :
+  kpse_cv_visibility_cflags=$kpse_flag; break
+fi
+rm -f core conftest.err conftest.$ac_objext
+done
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $kpse_cv_visibility_cflags" >&5
+$as_echo "$kpse_cv_visibility_cflags" >&6; }
+CFLAGS=$kpse_save_flags
+case $kpse_cv_visibility_cflags in #(
+  unknown) :
+     ;; #(
+  *) :
+    VISIBILITY_CFLAGS=$kpse_cv_visibility_cflags
+ ;;
+esac
+
+
+
+
+
 # Checks for header files.
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
diff --git a/Build/source/libs/zziplib/configure.ac b/Build/source/libs/zziplib/configure.ac
index b6c13707c3f..ba31a4c165b 100644
--- a/Build/source/libs/zziplib/configure.ac
+++ b/Build/source/libs/zziplib/configure.ac
@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 dnl
-dnl   Copyright (C) 2010-2013 Peter Breitenlohner <tex-live@tug.org>
+dnl   Copyright (C) 2010-2014 Peter Breitenlohner <tex-live@tug.org>
 dnl
 dnl   based on zziplib-0.13.58:
 dnl     Copyright (C) 2009 Guido Draheim <guido@gmx.de> for ZZipLib.SF.net
@@ -25,6 +25,8 @@ AC_PROG_CC
 AC_PROG_RANLIB
 AC_PROG_LN_S
 
+KPSE_COMPILER_VISIBILITY
+
 # Checks for header files.
 AC_HEADER_STDC
 AC_HEADER_DIRENT
diff --git a/Build/source/libs/zziplib/include/zzip/Makefile.in b/Build/source/libs/zziplib/include/zzip/Makefile.in
index edbeb462e61..02cf02f1279 100644
--- a/Build/source/libs/zziplib/include/zzip/Makefile.in
+++ b/Build/source/libs/zziplib/include/zzip/Makefile.in
@@ -85,6 +85,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ac_sys_largefile_sensitive.m4 \
 	$(top_srcdir)/m4/ax_prefix_config_h.m4 \
 	$(top_srcdir)/m4/zziplib-aligned-access.m4 \
 	$(top_srcdir)/../../m4/kpse-common.m4 \
+	$(top_srcdir)/../../m4/kpse-visibility.m4 \
 	$(top_srcdir)/../../m4/kpse-warnings.m4 \
 	$(top_srcdir)/../../m4/kpse-zlib-flags.m4 \
 	$(top_srcdir)/version.ac $(top_srcdir)/configure.ac
@@ -163,6 +164,7 @@ SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
 STRIP = @STRIP@
 VERSION = @VERSION@
+VISIBILITY_CFLAGS = @VISIBILITY_CFLAGS@
 WARNING_CFLAGS = @WARNING_CFLAGS@
 ZLIB_DEPEND = @ZLIB_DEPEND@
 ZLIB_INCLUDES = @ZLIB_INCLUDES@