[newlib-cygwin] newlib: integrate iconv update to maintainer build

[Michael Frysinger <vapier@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=958833a0d3287bfdd4960a3e72cd11980bb9ca42

commit 958833a0d3287bfdd4960a3e72cd11980bb9ca42
Author: Mike Frysinger <vapier@gentoo.org>
Date:   Sun Mar 13 21:52:04 2022 -0400

    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.

Diff:
---
 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/Makefile.in b/newlib/Makefile.in
index 09d0ef5bf..2383d5ae4 100644
--- a/newlib/Makefile.in
+++ b/newlib/Makefile.in
@@ -3816,7 +3816,8 @@ EXTRA_DIST = $(am__append_42)
 PHONY = $(am__append_4)
 SUFFIXES = $(am__append_5)
 info_TEXINFOS = libc/libc.texi libm/libm.texi
-noinst_DATA = libg.a $(am__append_1) $(am__append_2) $(am__append_3)
+noinst_DATA = libg.a $(am__append_1) $(am__append_2) $(am__append_3) \
+	$(libc_iconv_mkdeps_outputs)
 INSTALL_DATA_LOCAL = $(am__append_58)
 @NEWLIB_HW_FP_FALSE@MATHDIR = math
 
@@ -4459,6 +4460,18 @@ libc_a_CPPFLAGS_libc_posix = -D_GNU_SOURCE
 @ENABLE_NEWLIB_ICONV_TRUE@	libc/iconv/ccs/binary/cns11643_plane1.cct \
 @ENABLE_NEWLIB_ICONV_TRUE@	libc/iconv/ccs/binary/cns11643_plane2.cct \
 @ENABLE_NEWLIB_ICONV_TRUE@	libc/iconv/ccs/binary/cns11643_plane14.cct
+libc_iconv_mkdeps_outputs = \
+	$(top_srcdir)/iconv.m4 \
+	$(srcdir)/libc/iconv/ccs/ccsbi.c \
+	$(srcdir)/libc/iconv/ccs/ccsbi.h \
+	$(srcdir)/libc/iconv/ccs/ccsnames.h \
+	$(srcdir)/libc/iconv/ces/cesbi.c \
+	$(srcdir)/libc/iconv/ces/cesbi.h \
+	$(srcdir)/libc/iconv/ces/cesdeps.h \
+	$(srcdir)/libc/iconv/encoding.aliases \
+	$(srcdir)/libc/iconv/lib/aliasesbi.c \
+	$(srcdir)/libc/iconv/lib/encnames.h
+
 @HAVE_XDR_DIR_TRUE@libc_xdr_ELIX_SOURCES = libc/xdr/xdr_private.c \
 @HAVE_XDR_DIR_TRUE@	libc/xdr/xdr.c libc/xdr/xdr_float.c \
 @HAVE_XDR_DIR_TRUE@	libc/xdr/xdr_array.c libc/xdr/xdr_mem.c \
@@ -24147,6 +24160,9 @@ libc_install-man: libc_man
 	$(INSTALL_DATA) libc/*.3 $(DESTDIR)$(mandir)/man3/
 install-man: libc_install-man
 
+$(libc_iconv_mkdeps_outputs): @MAINTAINER_MODE_TRUE@ $(srcdir)/libc/iconv/ces/mkdeps.pl $(srcdir)/libc/iconv/lib/encoding.deps
+	$(AM_V_GEN)cd $(srcdir)/libc/iconv/ces && ./mkdeps.pl
+
 @HAVE_LIBC_SYS_PHOENIX_DIR_TRUE@libc/sys/phoenix/crt0.o: libc/sys/phoenix/$(PHOENIX_MACHINE_DIR)/crt0.o
 @HAVE_LIBC_SYS_PHOENIX_DIR_TRUE@	$(AM_V_at)rm -f $@
 @HAVE_LIBC_SYS_PHOENIX_DIR_TRUE@	$(AM_V_GEN)ln $< $@ >/dev/null 2>/dev/null || cp $< $@
diff --git a/newlib/libc/iconv/Makefile.inc b/newlib/libc/iconv/Makefile.inc
index 77c0b0599..49585c73d 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 b279fd4e8..649f2c5fe 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;
 }