somewhat reorganize libs build system

git-svn-id: svn://tug.org/texlive/trunk@16091 c570f23f-e606-0410-a88d-b1316a301751

6 files changed, 586 insertions, 85 deletions

diff --git a/Build/source/libs/libpng/Makefile.am b/Build/source/libs/libpng/Makefile.am
index 1ebb50d7a67..2bf22bb0165 100644
--- a/Build/source/libs/libpng/Makefile.am
+++ b/Build/source/libs/libpng/Makefile.am
@@ -33,6 +33,8 @@ dist-hook:
 	  $(distdir)/$(LIBPNG_TREE)/missing \
 	  $(distdir)/$(LIBPNG_TREE)/mkinstalldirs
 
+SUBDIRS = include
+
 INCLUDES = -I$(top_srcdir)/$(LIBPNG_TREE) $(ZLIB_INCLUDES)
 AM_CPPFLAGS = $(LIBPNG_DEFINES)
 AM_CFLAGS = $(WARNING_CFLAGS)
diff --git a/Build/source/libs/libpng/Makefile.in b/Build/source/libs/libpng/Makefile.in
index 95b4ebbb32e..75a07deb1a2 100644
--- a/Build/source/libs/libpng/Makefile.in
+++ b/Build/source/libs/libpng/Makefile.in
@@ -57,7 +57,7 @@ am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \
  configure.lineno config.status.lineno
 mkinstalldirs = $(SHELL) $(top_srcdir)/../../build-aux/mkinstalldirs
 CONFIG_HEADER = config.h
-CONFIG_CLEAN_FILES = png.h pngconf.h
+CONFIG_CLEAN_FILES =
 CONFIG_CLEAN_VPATH_FILES =
 LIBRARIES = $(noinst_LIBRARIES)
 AR = ar
@@ -86,10 +86,23 @@ CCLD = $(CC)
 LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
 SOURCES = $(nodist_libpng_a_SOURCES) $(nodist_pngtest_SOURCES)
 DIST_SOURCES =
+RECURSIVE_TARGETS = all-recursive check-recursive dvi-recursive \
+	html-recursive info-recursive install-data-recursive \
+	install-dvi-recursive install-exec-recursive \
+	install-html-recursive install-info-recursive \
+	install-pdf-recursive install-ps-recursive install-recursive \
+	installcheck-recursive installdirs-recursive pdf-recursive \
+	ps-recursive uninstall-recursive
+RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive	\
+  distclean-recursive maintainer-clean-recursive
+AM_RECURSIVE_TARGETS = $(RECURSIVE_TARGETS:-recursive=) \
+	$(RECURSIVE_CLEAN_TARGETS:-recursive=) tags TAGS ctags CTAGS \
+	distdir dist dist-all distcheck
 ETAGS = etags
 CTAGS = ctags
 am__tty_colors = \
 red=; grn=; lgn=; blu=; std=
+DIST_SUBDIRS = $(SUBDIRS)
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
 distdir = $(PACKAGE)-$(VERSION)
 top_distdir = $(distdir)
@@ -97,6 +110,31 @@ am__remove_distdir = \
   { test ! -d "$(distdir)" \
     || { find "$(distdir)" -type d ! -perm -200 -exec chmod u+w {} ';' \
          && rm -fr "$(distdir)"; }; }
+am__relativize = \
+  dir0=`pwd`; \
+  sed_first='s,^\([^/]*\)/.*$$,\1,'; \
+  sed_rest='s,^[^/]*/*,,'; \
+  sed_last='s,^.*/\([^/]*\)$$,\1,'; \
+  sed_butlast='s,/*[^/]*$$,,'; \
+  while test -n "$$dir1"; do \
+    first=`echo "$$dir1" | sed -e "$$sed_first"`; \
+    if test "$$first" != "."; then \
+      if test "$$first" = ".."; then \
+        dir2=`echo "$$dir0" | sed -e "$$sed_last"`/"$$dir2"; \
+        dir0=`echo "$$dir0" | sed -e "$$sed_butlast"`; \
+      else \
+        first2=`echo "$$dir2" | sed -e "$$sed_first"`; \
+        if test "$$first2" = "$$first"; then \
+          dir2=`echo "$$dir2" | sed -e "$$sed_rest"`; \
+        else \
+          dir2="../$$dir2"; \
+        fi; \
+        dir0="$$dir0"/"$$first"; \
+      fi; \
+    fi; \
+    dir1=`echo "$$dir1" | sed -e "$$sed_rest"`; \
+  done; \
+  reldir="$$dir2"
 DIST_ARCHIVES = $(distdir).tar.gz
 GZIP_ENV = --best
 distuninstallcheck_listfiles = find . -type f -print
@@ -131,6 +169,7 @@ LIBOBJS = @LIBOBJS@
 LIBPNG_DEFINES = @LIBPNG_DEFINES@
 LIBPNG_TREE = @LIBPNG_TREE@
 LIBS = @LIBS@
+LN_S = @LN_S@
 LTLIBOBJS = @LTLIBOBJS@
 MAINT = @MAINT@
 MAKEINFO = @MAKEINFO@
@@ -201,6 +240,7 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 ACLOCAL_AMFLAGS = -I ../../m4
 EXTRA_DIST = $(LIBPNG_TREE) $(LIBPNG_TREE)-PATCHES
+SUBDIRS = include
 INCLUDES = -I$(top_srcdir)/$(LIBPNG_TREE) $(ZLIB_INCLUDES)
 AM_CPPFLAGS = $(LIBPNG_DEFINES)
 AM_CFLAGS = $(WARNING_CFLAGS)
@@ -230,7 +270,7 @@ CLEANFILES = pngout.png
 nodist_pngtest_SOURCES = $(LIBPNG_TREE)/pngtest.c
 pngtest_LDADD = libpng.a $(ZLIB_LIBS)
 all: config.h
-	$(MAKE) $(AM_MAKEFLAGS) all-am
+	$(MAKE) $(AM_MAKEFLAGS) all-recursive
 
 .SUFFIXES:
 .SUFFIXES: .c .o .obj
@@ -560,6 +600,76 @@ pngtest.obj: $(LIBPNG_TREE)/pngtest.c
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o pngtest.obj `if test -f '$(LIBPNG_TREE)/pngtest.c'; then $(CYGPATH_W) '$(LIBPNG_TREE)/pngtest.c'; else $(CYGPATH_W) '$(srcdir)/$(LIBPNG_TREE)/pngtest.c'; fi`
 
+# This directory's subdirectories are mostly independent; you can cd
+# into them and run `make' without going through this Makefile.
+# To change the values of `make' variables: instead of editing Makefiles,
+# (1) if the variable is set in `config.status', edit `config.status'
+#     (which will cause the Makefiles to be regenerated when you run `make');
+# (2) otherwise, pass the desired values on the `make' command line.
+$(RECURSIVE_TARGETS):
+	@failcom='exit 1'; \
+	for f in x $$MAKEFLAGS; do \
+	  case $$f in \
+	    *=* | --[!k]*);; \
+	    *k*) failcom='fail=yes';; \
+	  esac; \
+	done; \
+	dot_seen=no; \
+	target=`echo $@ | sed s/-recursive//`; \
+	list='$(SUBDIRS)'; for subdir in $$list; do \
+	  echo "Making $$target in $$subdir"; \
+	  if test "$$subdir" = "."; then \
+	    dot_seen=yes; \
+	    local_target="$$target-am"; \
+	  else \
+	    local_target="$$target"; \
+	  fi; \
+	  ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) $$local_target) \
+	  || eval $$failcom; \
+	done; \
+	if test "$$dot_seen" = "no"; then \
+	  $(MAKE) $(AM_MAKEFLAGS) "$$target-am" || exit 1; \
+	fi; test -z "$$fail"
+
+$(RECURSIVE_CLEAN_TARGETS):
+	@failcom='exit 1'; \
+	for f in x $$MAKEFLAGS; do \
+	  case $$f in \
+	    *=* | --[!k]*);; \
+	    *k*) failcom='fail=yes';; \
+	  esac; \
+	done; \
+	dot_seen=no; \
+	case "$@" in \
+	  distclean-* | maintainer-clean-*) list='$(DIST_SUBDIRS)' ;; \
+	  *) list='$(SUBDIRS)' ;; \
+	esac; \
+	rev=''; for subdir in $$list; do \
+	  if test "$$subdir" = "."; then :; else \
+	    rev="$$subdir $$rev"; \
+	  fi; \
+	done; \
+	rev="$$rev ."; \
+	target=`echo $@ | sed s/-recursive//`; \
+	for subdir in $$rev; do \
+	  echo "Making $$target in $$subdir"; \
+	  if test "$$subdir" = "."; then \
+	    local_target="$$target-am"; \
+	  else \
+	    local_target="$$target"; \
+	  fi; \
+	  ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) $$local_target) \
+	  || eval $$failcom; \
+	done && test -z "$$fail"
+tags-recursive:
+	list='$(SUBDIRS)'; for subdir in $$list; do \
+	  test "$$subdir" = . || ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) tags); \
+	done
+ctags-recursive:
+	list='$(SUBDIRS)'; for subdir in $$list; do \
+	  test "$$subdir" = . || ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) ctags); \
+	done
+
 ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
 	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
 	unique=`for i in $$list; do \
@@ -570,10 +680,23 @@ ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
 	mkid -fID $$unique
 tags: TAGS
 
-TAGS:  $(HEADERS) $(SOURCES) config.h.in $(TAGS_DEPENDENCIES) \
+TAGS: tags-recursive $(HEADERS) $(SOURCES) config.h.in $(TAGS_DEPENDENCIES) \
 		$(TAGS_FILES) $(LISP)
 	set x; \
 	here=`pwd`; \
+	if ($(ETAGS) --etags-include --version) >/dev/null 2>&1; then \
+	  include_option=--etags-include; \
+	  empty_fix=.; \
+	else \
+	  include_option=--include; \
+	  empty_fix=; \
+	fi; \
+	list='$(SUBDIRS)'; for subdir in $$list; do \
+	  if test "$$subdir" = .; then :; else \
+	    test ! -f $$subdir/TAGS || \
+	      set "$$@" "$$include_option=$$here/$$subdir/TAGS"; \
+	  fi; \
+	done; \
 	list='$(SOURCES) $(HEADERS) config.h.in $(LISP) $(TAGS_FILES)'; \
 	unique=`for i in $$list; do \
 	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
@@ -592,7 +715,7 @@ TAGS:  $(HEADERS) $(SOURCES) config.h.in $(TAGS_DEPENDENCIES) \
 	  fi; \
 	fi
 ctags: CTAGS
-CTAGS:  $(HEADERS) $(SOURCES) config.h.in $(TAGS_DEPENDENCIES) \
+CTAGS: ctags-recursive $(HEADERS) $(SOURCES) config.h.in $(TAGS_DEPENDENCIES) \
 		$(TAGS_FILES) $(LISP)
 	list='$(SOURCES) $(HEADERS) config.h.in $(LISP) $(TAGS_FILES)'; \
 	unique=`for i in $$list; do \
@@ -736,6 +859,34 @@ distdir: $(DISTFILES)
 	    || exit 1; \
 	  fi; \
 	done
+	@list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
+	  if test "$$subdir" = .; then :; else \
+	    test -d "$(distdir)/$$subdir" \
+	    || $(MKDIR_P) "$(distdir)/$$subdir" \
+	    || exit 1; \
+	  fi; \
+	done
+	@list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
+	  if test "$$subdir" = .; then :; else \
+	    dir1=$$subdir; dir2="$(distdir)/$$subdir"; \
+	    $(am__relativize); \
+	    new_distdir=$$reldir; \
+	    dir1=$$subdir; dir2="$(top_distdir)"; \
+	    $(am__relativize); \
+	    new_top_distdir=$$reldir; \
+	    echo " (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) top_distdir="$$new_top_distdir" distdir="$$new_distdir" \\"; \
+	    echo "     am__remove_distdir=: am__skip_length_check=: am__skip_mode_fix=: distdir)"; \
+	    ($(am__cd) $$subdir && \
+	      $(MAKE) $(AM_MAKEFLAGS) \
+	        top_distdir="$$new_top_distdir" \
+	        distdir="$$new_distdir" \
+		am__remove_distdir=: \
+		am__skip_length_check=: \
+		am__skip_mode_fix=: \
+	        distdir) \
+	      || exit 1; \
+	  fi; \
+	done
 	$(MAKE) $(AM_MAKEFLAGS) \
 	  top_distdir="$(top_distdir)" distdir="$(distdir)" \
 	  dist-hook
@@ -857,18 +1008,19 @@ check-am: all-am
 	$(MAKE) $(AM_MAKEFLAGS) $(check_PROGRAMS) \
 	  $(dist_check_SCRIPTS)
 	$(MAKE) $(AM_MAKEFLAGS) check-TESTS
-check: check-am
+check: check-recursive
 all-am: Makefile $(LIBRARIES) config.h
-installdirs:
-install: install-am
-install-exec: install-exec-am
-install-data: install-data-am
-uninstall: uninstall-am
+installdirs: installdirs-recursive
+installdirs-am:
+install: install-recursive
+install-exec: install-exec-recursive
+install-data: install-data-recursive
+uninstall: uninstall-recursive
 
 install-am: all-am
 	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
 
-installcheck: installcheck-am
+installcheck: installcheck-recursive
 install-strip:
 	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
 	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
@@ -887,96 +1039,98 @@ distclean-generic:
 maintainer-clean-generic:
 	@echo "This command is intended for maintainers to use"
 	@echo "it deletes files that may require special tools to rebuild."
-clean: clean-am
+clean: clean-recursive
 
 clean-am: clean-checkPROGRAMS clean-generic clean-noinstLIBRARIES \
 	mostlyclean-am
 
-distclean: distclean-am
+distclean: distclean-recursive
 	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
 	-rm -rf ./$(DEPDIR)
 	-rm -f Makefile
 distclean-am: clean-am distclean-compile distclean-generic \
 	distclean-hdr distclean-tags
 
-dvi: dvi-am
+dvi: dvi-recursive
 
 dvi-am:
 
-html: html-am
+html: html-recursive
 
 html-am:
 
-info: info-am
+info: info-recursive
 
 info-am:
 
 install-data-am:
 
-install-dvi: install-dvi-am
+install-dvi: install-dvi-recursive
 
 install-dvi-am:
 
 install-exec-am:
 
-install-html: install-html-am
+install-html: install-html-recursive
 
 install-html-am:
 
-install-info: install-info-am
+install-info: install-info-recursive
 
 install-info-am:
 
 install-man:
 
-install-pdf: install-pdf-am
+install-pdf: install-pdf-recursive
 
 install-pdf-am:
 
-install-ps: install-ps-am
+install-ps: install-ps-recursive
 
 install-ps-am:
 
 installcheck-am:
 
-maintainer-clean: maintainer-clean-am
+maintainer-clean: maintainer-clean-recursive
 	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
 	-rm -rf $(top_srcdir)/autom4te.cache
 	-rm -rf ./$(DEPDIR)
 	-rm -f Makefile
 maintainer-clean-am: distclean-am maintainer-clean-generic
 
-mostlyclean: mostlyclean-am
+mostlyclean: mostlyclean-recursive
 
 mostlyclean-am: mostlyclean-compile mostlyclean-generic
 
-pdf: pdf-am
+pdf: pdf-recursive
 
 pdf-am:
 
-ps: ps-am
+ps: ps-recursive
 
 ps-am:
 
 uninstall-am:
 
-.MAKE: all check-am install-am install-strip
+.MAKE: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) all check-am \
+	ctags-recursive install-am install-strip tags-recursive
 
-.PHONY: CTAGS GTAGS all all-am am--refresh check check-TESTS check-am \
-	clean clean-checkPROGRAMS clean-generic clean-noinstLIBRARIES \
-	ctags dist dist-all dist-bzip2 dist-gzip dist-hook dist-lzma \
-	dist-shar dist-tarZ dist-xz dist-zip distcheck distclean \
-	distclean-compile distclean-generic distclean-hdr \
+.PHONY: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) CTAGS GTAGS \
+	all all-am am--refresh check check-TESTS check-am clean \
+	clean-checkPROGRAMS clean-generic clean-noinstLIBRARIES ctags \
+	ctags-recursive dist dist-all dist-bzip2 dist-gzip dist-hook \
+	dist-lzma dist-shar dist-tarZ dist-xz dist-zip distcheck \
+	distclean distclean-compile distclean-generic distclean-hdr \
 	distclean-tags distcleancheck distdir distuninstallcheck dvi \
 	dvi-am html html-am info info-am install install-am \
 	install-data install-data-am install-dvi install-dvi-am \
 	install-exec install-exec-am install-html install-html-am \
 	install-info install-info-am install-man install-pdf \
 	install-pdf-am install-ps install-ps-am install-strip \
-	installcheck installcheck-am installdirs maintainer-clean \
-	maintainer-clean-generic mostlyclean mostlyclean-compile \
-	mostlyclean-generic pdf pdf-am ps ps-am tags uninstall \
-	uninstall-am
+	installcheck installcheck-am installdirs installdirs-am \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic pdf pdf-am ps ps-am \
+	tags tags-recursive uninstall uninstall-am
 
 
 # Rebuild
diff --git a/Build/source/libs/libpng/configure b/Build/source/libs/libpng/configure
index 4c94b3a6d3e..09f86da343f 100755
--- a/Build/source/libs/libpng/configure
+++ b/Build/source/libs/libpng/configure
@@ -608,6 +608,7 @@ EGREP
 GREP
 CPP
 WARNING_CFLAGS
+LN_S
 RANLIB
 am__fastdepCC_FALSE
 am__fastdepCC_TRUE
@@ -3775,6 +3776,17 @@ else
   RANLIB="$ac_cv_prog_RANLIB"
 fi
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5
+$as_echo_n "checking whether ln -s works... " >&6; }
+LN_S=$as_ln_s
+if test "$LN_S" = "ln -s"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5
+$as_echo "no, using $LN_S" >&6; }
+fi
+
 
 # Check whether --enable-compiler-warnings was given.
 if test "${enable_compiler_warnings+set}" = set; then :
@@ -4603,7 +4615,7 @@ if test "x$with_zlib_libdir" != x && test "x$with_zlib_libdir" != xyes; then
   ZLIB_LIBS="-L$with_zlib_libdir $ZLIB_LIBS"
 fi
 else
-  ZLIB_INCLUDES=`echo '-IBLD/libs/zlib' | sed \
+  ZLIB_INCLUDES=`echo '-IBLD/libs/zlib/include' | sed \
     -e "s,SRC/,$kpse_SRC/,g" \
     -e "s,BLD/,$kpse_BLD/,g"`
   ZLIB_LIBS=`echo 'BLD/libs/zlib/libz.a' | sed \
@@ -4612,9 +4624,9 @@ else
   ZLIB_DEPEND=`echo 'BLD/libs/zlib/libz.a' | sed \
     -e 's,BLD/,${top_builddir}/../../,g'`
    ZLIB_RULE='# Rebuild libz
-$(ZLIB_DEPEND): ${top_builddir}/../../libs/zlib/zlib.h ${top_builddir}/../../libs/zlib/zconf.h
+$(ZLIB_DEPEND): ${top_builddir}/../../libs/zlib/include/zconf.h
 	cd ${top_builddir}/../../libs/zlib && $(MAKE) $(AM_MAKEFLAGS) rebuild
-${top_builddir}/../../libs/zlib/zlib.h ${top_builddir}/../../libs/zlib/zconf.h:
+${top_builddir}/../../libs/zlib/include/zconf.h:
 	cd ${top_builddir}/../../libs/zlib && $(MAKE) $(AM_MAKEFLAGS) rebuild'
 fi
 
@@ -4656,10 +4668,7 @@ LIBPNG_TREE=libpng-1.2.40
 LIBPNG_DEFINES='-DPNG_CONFIGURE_LIBPNG -DPNG_NO_MMX_CODE'
 
 
-ac_config_links="$ac_config_links png.h:$LIBPNG_TREE/png.h pngconf.h:$LIBPNG_TREE/pngconf.h"
-
-
-ac_config_files="$ac_config_files Makefile"
+ac_config_files="$ac_config_files Makefile include/Makefile"
 
 
 cat >confcache <<\_ACEOF
@@ -5218,7 +5227,6 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 # Files that config.status was made for.
 config_files="$ac_config_files"
 config_headers="$ac_config_headers"
-config_links="$ac_config_links"
 config_commands="$ac_config_commands"
 
 _ACEOF
@@ -5248,9 +5256,6 @@ $config_files
 Configuration headers:
 $config_headers
 
-Configuration links:
-$config_links
-
 Configuration commands:
 $config_commands
 
@@ -5382,9 +5387,8 @@ do
   case $ac_config_target in
     "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
     "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;;
-    "png.h") CONFIG_LINKS="$CONFIG_LINKS png.h:$LIBPNG_TREE/png.h" ;;
-    "pngconf.h") CONFIG_LINKS="$CONFIG_LINKS pngconf.h:$LIBPNG_TREE/pngconf.h" ;;
     "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
+    "include/Makefile") CONFIG_FILES="$CONFIG_FILES include/Makefile" ;;
 
   *) as_fn_error "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
@@ -5398,7 +5402,6 @@ done
 if $ac_need_defaults; then
   test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
   test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
-  test "${CONFIG_LINKS+set}" = set || CONFIG_LINKS=$config_links
   test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
 fi
 
@@ -5686,7 +5689,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 fi # test -n "$CONFIG_HEADERS"
 
 
-eval set X "  :F $CONFIG_FILES  :H $CONFIG_HEADERS  :L $CONFIG_LINKS  :C $CONFIG_COMMANDS"
+eval set X "  :F $CONFIG_FILES  :H $CONFIG_HEADERS    :C $CONFIG_COMMANDS"
 shift
 for ac_tag
 do
@@ -5962,38 +5965,7 @@ $as_echo X"$_am_arg" |
 	  }
 	  s/.*/./; q'`/stamp-h$_am_stamp_count
  ;;
-  :L)
-  #
-  # CONFIG_LINK
-  #
 
-  if test "$ac_source" = "$ac_file" && test "$srcdir" = '.'; then
-    :
-  else
-    # Prefer the file from the source tree if names are identical.
-    if test "$ac_source" = "$ac_file" || test ! -r "$ac_source"; then
-      ac_source=$srcdir/$ac_source
-    fi
-
-    { $as_echo "$as_me:${as_lineno-$LINENO}: linking $ac_source to $ac_file" >&5
-$as_echo "$as_me: linking $ac_source to $ac_file" >&6;}
-
-    if test ! -r "$ac_source"; then
-      as_fn_error "$ac_source: file not found" "$LINENO" 5
-    fi
-    rm -f "$ac_file"
-
-    # Try a relative symlink, then a hard link, then a copy.
-    case $srcdir in
-    [\\/$]* | ?:[\\/]* ) ac_rel_source=$ac_source ;;
-	*) ac_rel_source=$ac_top_build_prefix$ac_source ;;
-    esac
-    ln -s "$ac_rel_source" "$ac_file" 2>/dev/null ||
-      ln "$ac_source" "$ac_file" 2>/dev/null ||
-      cp -p "$ac_source" "$ac_file" ||
-      as_fn_error "cannot link or copy $ac_source to $ac_file" "$LINENO" 5
-  fi
- ;;
   :C)  { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
 $as_echo "$as_me: executing $ac_file commands" >&6;}
  ;;
diff --git a/Build/source/libs/libpng/configure.ac b/Build/source/libs/libpng/configure.ac
index 98a92eb7270..5bb85d748a7 100644
--- a/Build/source/libs/libpng/configure.ac
+++ b/Build/source/libs/libpng/configure.ac
@@ -28,6 +28,7 @@ AC_SUBST([PNGLIB_RELEASE])
 
 AC_PROG_CC
 AC_PROG_RANLIB
+AC_PROG_LN_S
 
 KPSE_COMPILER_WARNINGS
 
@@ -66,9 +67,6 @@ AC_SUBST([LIBPNG_TREE])
 LIBPNG_DEFINES='-DPNG_CONFIGURE_LIBPNG -DPNG_NO_MMX_CODE'
 AC_SUBST([LIBPNG_DEFINES])
 
-dnl Use $LIBPNG_TREE to exclude $LIBPNG_TREE/png.h from DIST_COMMON
-AC_CONFIG_LINKS([png.h:$LIBPNG_TREE/png.h pngconf.h:$LIBPNG_TREE/pngconf.h])
-
-AC_CONFIG_FILES([Makefile])
+AC_CONFIG_FILES([Makefile include/Makefile])
 
 AC_OUTPUT
diff --git a/Build/source/libs/libpng/include/Makefile.am b/Build/source/libs/libpng/include/Makefile.am
new file mode 100644
index 00000000000..4009fe7a89a
--- /dev/null
+++ b/Build/source/libs/libpng/include/Makefile.am
@@ -0,0 +1,28 @@
+## Proxy Makefile.am to install libpng headers for TeX Live.
+##
+##   Copyright (C) 2009 Peter Breitenlohner <tex-live@tug.org>
+##
+##   This file is free software; the copyright holder
+##   gives unlimited permission to copy and/or distribute it,
+##   with or without modifications, as long as this notice is preserved.
+##
+LIBPNG_SRC = $(top_srcdir)/$(LIBPNG_TREE)
+
+LIBPNG_HDRS = \
+	$(LIBPNG_SRC)/png.h \
+	$(LIBPNG_SRC)/pngconf.h
+
+all-local:
+	@for file in $(LIBPNG_HDRS); do \
+	  test -f $$f || continue; \
+	  inst=`echo $$file | sed -e 's/^.*\///'`; \
+	  test -f $$inst || { \
+	    echo "$(LN_S) $$file $$inst"; \
+	    $(LN_S) $$file $$inst; } || exit 1; \
+	done
+
+distclean-local:
+	rm -f *.h
+
+
+
diff --git a/Build/source/libs/libpng/include/Makefile.in b/Build/source/libs/libpng/include/Makefile.in
new file mode 100644
index 00000000000..8c8a6dfa534
--- /dev/null
+++ b/Build/source/libs/libpng/include/Makefile.in
@@ -0,0 +1,347 @@
+# Makefile.in generated by automake 1.11 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+subdir = include
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/../../m4/kpse-common.m4 \
+	$(top_srcdir)/../../m4/kpse-warnings.m4 \
+	$(top_srcdir)/../../m4/kpse-zlib-flags.m4 \
+	$(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(SHELL) $(top_srcdir)/../../build-aux/mkinstalldirs
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+SOURCES =
+DIST_SOURCES =
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+AMTAR = @AMTAR@
+AUTOCONF = @AUTOCONF@
+AUTOHEADER = @AUTOHEADER@
+AUTOMAKE = @AUTOMAKE@
+AWK = @AWK@
+CC = @CC@
+CCDEPMODE = @CCDEPMODE@
+CFLAGS = @CFLAGS@
+CPP = @CPP@
+CPPFLAGS = @CPPFLAGS@
+CYGPATH_W = @CYGPATH_W@
+DEFS = @DEFS@
+DEPDIR = @DEPDIR@
+ECHO_C = @ECHO_C@
+ECHO_N = @ECHO_N@
+ECHO_T = @ECHO_T@
+EGREP = @EGREP@
+EXEEXT = @EXEEXT@
+GREP = @GREP@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LDFLAGS = @LDFLAGS@
+LIBOBJS = @LIBOBJS@
+LIBPNG_DEFINES = @LIBPNG_DEFINES@
+LIBPNG_TREE = @LIBPNG_TREE@
+LIBS = @LIBS@
+LN_S = @LN_S@
+LTLIBOBJS = @LTLIBOBJS@
+MAINT = @MAINT@
+MAKEINFO = @MAKEINFO@
+MKDIR_P = @MKDIR_P@
+OBJEXT = @OBJEXT@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_URL = @PACKAGE_URL@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+PNGLIB_MAJOR = @PNGLIB_MAJOR@
+PNGLIB_MINOR = @PNGLIB_MINOR@
+PNGLIB_RELEASE = @PNGLIB_RELEASE@
+POW_LIB = @POW_LIB@
+RANLIB = @RANLIB@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+STRIP = @STRIP@
+VERSION = @VERSION@
+WARNING_CFLAGS = @WARNING_CFLAGS@
+ZLIB_DEPEND = @ZLIB_DEPEND@
+ZLIB_INCLUDES = @ZLIB_INCLUDES@
+ZLIB_LIBS = @ZLIB_LIBS@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_CC = @ac_ct_CC@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
+am__tar = @am__tar@
+am__untar = @am__untar@
+bindir = @bindir@
+build_alias = @build_alias@
+builddir = @builddir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+host_alias = @host_alias@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+LIBPNG_SRC = $(top_srcdir)/$(LIBPNG_TREE)
+LIBPNG_HDRS = \
+	$(LIBPNG_SRC)/png.h \
+	$(LIBPNG_SRC)/pngconf.h
+
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign include/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign include/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+tags: TAGS
+TAGS:
+
+ctags: CTAGS
+CTAGS:
+
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile all-local
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic distclean-local
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am all-local check check-am clean clean-generic \
+	distclean distclean-generic distclean-local distdir dvi dvi-am \
+	html html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-generic pdf \
+	pdf-am ps ps-am uninstall uninstall-am
+
+
+all-local:
+	@for file in $(LIBPNG_HDRS); do \
+	  test -f $$f || continue; \
+	  inst=`echo $$file | sed -e 's/^.*\///'`; \
+	  test -f $$inst || { \
+	    echo "$(LN_S) $$file $$inst"; \
+	    $(LN_S) $$file $$inst; } || exit 1; \
+	done
+
+distclean-local:
+	rm -f *.h
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT: