[PATCH] newlib: integrate iconv update to maintainer build

To help prevent people from missing running this script, integrate it
into the build via maintainer mode.

Also fix the inverted exit status to make this work correctly -- for
some reason, it exited 1 when it worked, and 0 when it failed.
---
 newlib/Makefile.in              | 18 +++++++++++++++++-
 newlib/libc/iconv/Makefile.inc  | 18 ++++++++++++++++++
 newlib/libc/iconv/ces/mkdeps.pl |  4 ++--
 3 files changed, 37 insertions(+), 3 deletions(-)

diff --git a/newlib/libc/iconv/Makefile.inc b/newlib/libc/iconv/Makefile.inc
index 77c0b05991b4..49585c73d9fe 100644
--- a/newlib/libc/iconv/Makefile.inc
+++ b/newlib/libc/iconv/Makefile.inc
@@ -5,6 +5,24 @@ endif
 
 LIBC_CHAPTERS += %D%/iconv.tex
 
+## If mkdeps.pl or encodings.deps changes, make sure to regenerate outputs.
+%C%_mkdeps_outputs = \
+	$(top_srcdir)/iconv.m4 \
+	$(srcdir)/%D%/ccs/ccsbi.c \
+	$(srcdir)/%D%/ccs/ccsbi.h \
+	$(srcdir)/%D%/ccs/ccsnames.h \
+	$(srcdir)/%D%/ces/cesbi.c \
+	$(srcdir)/%D%/ces/cesbi.h \
+	$(srcdir)/%D%/ces/cesdeps.h \
+	$(srcdir)/%D%/encoding.aliases \
+	$(srcdir)/%D%/lib/aliasesbi.c \
+	$(srcdir)/%D%/lib/encnames.h
+
+$(%C%_mkdeps_outputs): @MAINTAINER_MODE_TRUE@ $(srcdir)/%D%/ces/mkdeps.pl $(srcdir)/%D%/lib/encoding.deps
+	$(AM_V_GEN)cd $(srcdir)/%D%/ces && ./mkdeps.pl
+
+noinst_DATA += $(%C%_mkdeps_outputs)
+
 include %D%/ces/Makefile.inc
 include %D%/ccs/Makefile.inc
 include %D%/lib/Makefile.inc
diff --git a/newlib/libc/iconv/ces/mkdeps.pl b/newlib/libc/iconv/ces/mkdeps.pl
index b279fd4e8c05..649f2c5fe5bb 100755
--- a/newlib/libc/iconv/ces/mkdeps.pl
+++ b/newlib/libc/iconv/ces/mkdeps.pl
@@ -200,7 +200,7 @@ delete $sections{$section_cesdeps};
 print STDERR "Warning: section \"$_\" was ignored!\n"
 foreach (keys %sections);
 
-exit 1;
+exit 0;
 }
 
 # =============================================================================
@@ -213,7 +213,7 @@ exit 1;
 sub err($)
 {
   print STDERR "Error while running script.\n$_[0]\n";
-  exit 0;
+  exit 1;
 }
 
 
-- 
2.34.1