gnulib-local: Replace libxml2 trio with Gnulib

* gettext-tools/gnulib-lib/.gitignore: Ignore files brought by
gnulib-tool.
* gettext-tools/gnulib-tests/.gitignore: Likewise.
* gnulib-local/lib/libxml/triodef.h: Remove.
* gnulib-local/lib/libxml/trionan.c: Replace it with Gnulib functions.
* gnulib-local/lib/libxml/trionan.h: Remove.
* gnulib-local/modules/libxml (Depends-on): Add 'isinf', 'isnan', and
'signbit'.

2 files changed, 51 insertions, 22 deletions

diff --git a/gettext-tools/gnulib-lib/.gitignore b/gettext-tools/gnulib-lib/.gitignore
index 5ff51b2..f732943 100644
--- a/gettext-tools/gnulib-lib/.gitignore
+++ b/gettext-tools/gnulib-lib/.gitignore
@@ -10,14 +10,7 @@
 /uniwidth
 
 # Files brought in by gnulib-tool:
-
-
-
-# Files generated by gperf:
-# Files generated by moopp:
-# Files generated by the autotools:
 /Makefile.gnulib
-/Makefile.in
 /acl-errno-valid.c
 /acl-internal.c
 /acl-internal.h
@@ -99,8 +92,6 @@
 /fd-hook.h
 /fd-ostream.c
 /fd-ostream.h
-/fd-ostream.oo.c
-/fd-ostream.oo.h
 /fd-safer-flag.c
 /fd-safer.c
 /fd_ostream.priv.h
@@ -108,8 +99,6 @@
 /file-has-acl.c
 /file-ostream.c
 /file-ostream.h
-/file-ostream.oo.c
-/file-ostream.oo.h
 /file_ostream.priv.h
 /file_ostream.vt.h
 /filename.h
@@ -161,12 +150,8 @@
 /hash.h
 /html-ostream.c
 /html-ostream.h
-/html-ostream.oo.c
-/html-ostream.oo.h
 /html-styled-ostream.c
 /html-styled-ostream.h
-/html-styled-ostream.oo.c
-/html-styled-ostream.oo.h
 /html_ostream.priv.h
 /html_ostream.vt.h
 /html_styled_ostream.priv.h
@@ -175,15 +160,10 @@
 /iconv.in.h
 /iconv_close.c
 /iconv_open-aix.gperf
-/iconv_open-aix.h
 /iconv_open-hpux.gperf
-/iconv_open-hpux.h
 /iconv_open-irix.gperf
-/iconv_open-irix.h
 /iconv_open-osf.gperf
-/iconv_open-osf.h
 /iconv_open-solaris.gperf
-/iconv_open-solaris.h
 /iconv_open.c
 /iconveh.h
 /ignore-value.h
@@ -244,8 +224,6 @@
 /opendir.c
 /ostream.c
 /ostream.h
-/ostream.oo.c
-/ostream.oo.h
 /ostream.priv.h
 /ostream.vt.h
 /pathmax.h
@@ -437,3 +415,38 @@
 /xstriconveh.h
 /xvasprintf.c
 /xvasprintf.h
+/isinf.c
+/isnan.c
+/isnand-nolibm.h
+/isnand.c
+/isnanf-nolibm.h
+/isnanf.c
+/isnanl-nolibm.h
+/isnanl.c
+/math.c
+/math.in.h
+/signbitd.c
+/signbitf.c
+/signbitl.c
+
+# Files generated by gperf:
+/iconv_open-aix.h
+/iconv_open-hpux.h
+/iconv_open-irix.h
+/iconv_open-osf.h
+/iconv_open-solaris.h
+
+# Files generated by moopp:
+/fd-ostream.oo.c
+/fd-ostream.oo.h
+/file-ostream.oo.c
+/file-ostream.oo.h
+/html-ostream.oo.c
+/html-ostream.oo.h
+/html-styled-ostream.oo.c
+/html-styled-ostream.oo.h
+/ostream.oo.c
+/ostream.oo.h
+
+# Files generated by the autotools:
+/Makefile.in
diff --git a/gettext-tools/gnulib-tests/.gitignore b/gettext-tools/gnulib-tests/.gitignore
index d66e6d0..efd9002 100644
--- a/gettext-tools/gnulib-tests/.gitignore
+++ b/gettext-tools/gnulib-tests/.gitignore
@@ -20,12 +20,15 @@
 /getcwd-lgpl.c
 /getpagesize.c
 /ignore-value.h
+/infinity.h
 /init.sh
 /inttypes.in.h
 /lseek.c
 /macros.h
 /mbtowc-impl.h
 /mbtowc.c
+/minus-zero.h
+/nan.h
 /putenv.c
 /read-file.c
 /read-file.h
@@ -114,6 +117,17 @@
 /test-init.sh
 /test-intprops.c
 /test-inttypes.c
+/test-isinf.c
+/test-isnan.c
+/test-isnand-nolibm.c
+/test-isnand.c
+/test-isnand.h
+/test-isnanf-nolibm.c
+/test-isnanf.c
+/test-isnanf.h
+/test-isnanl-nolibm.c
+/test-isnanl.c
+/test-isnanl.h
 /test-iswblank.c
 /test-langinfo.c
 /test-linked_list.c
@@ -126,6 +140,7 @@
 /test-lstat.c
 /test-lstat.h
 /test-malloca.c
+/test-math.c
 /test-mbrtowc-w32-1.sh
 /test-mbrtowc-w32-2.sh
 /test-mbrtowc-w32-3.sh
@@ -204,6 +219,7 @@
 /test-sigaction.c
 /test-signal-h.c
 /test-signal.c
+/test-signbit.c
 /test-sigpipe.c
 /test-sigpipe.sh
 /test-sigprocmask.c