[newlib-cygwin] newlib: fix mkdoc dependencies

[Michael Frysinger <vapier@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=5c21b3721475c0d848b567837b4459cffcf0ca13

commit 5c21b3721475c0d848b567837b4459cffcf0ca13
Author: Mike Frysinger <vapier@gentoo.org>
Date:   Wed Feb 9 23:26:19 2022 -0500

    newlib: fix mkdoc dependencies
    
    Make sure we depend on the right name of mkdoc all the time, and that
    the rules that need it (e.g. .def files) depend on it.
    
    Reported-by: Jon Turney <jon.turney@dronecode.org.uk>

Diff:
---
 newlib/Makefile.in       | 4 +++-
 newlib/doc/local.mk      | 6 +++---
 newlib/libc/Makefile.inc | 1 +
 newlib/libm/Makefile.inc | 1 +
 4 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/newlib/Makefile.in b/newlib/Makefile.in
index e76fa582a..fd6323260 100644
--- a/newlib/Makefile.in
+++ b/newlib/Makefile.in
@@ -93,7 +93,7 @@ host_triplet = @host@
 @HAVE_MULTISUBDIR_TRUE@am__append_2 = $(BUILD_MULTISUBDIR)/libc.a $(BUILD_MULTISUBDIR)/libm.a
 
 # We can't use noinst_PROGRAMS, because automake will add $(EXEEXT).
-@HAVE_DOC_TRUE@am__append_3 = doc/makedoc
+@HAVE_DOC_TRUE@am__append_3 = $(MKDOC)
 @HAVE_DOC_TRUE@am__append_4 = man-cache
 
 #
@@ -1759,6 +1759,7 @@ clean-local:
 
 @HAVE_DOC_TRUE@.c.xml:
 @HAVE_DOC_TRUE@	$(AM_V_GEN)$(DOCBOOK_CHEW) < $< > $*.xml || ( rm $*.xml && false )
+$(LIBC_CHEWOUT_FILES): $(MKDOC)
 
 libc/libc.dvi: libc/targetdep.tex $(LIBC_CHEWOUT_FILES)
 
@@ -1786,6 +1787,7 @@ libc_install-man: libc_man
 	$(MKDIR_P) $(DESTDIR)$(mandir)/man3
 	$(INSTALL_DATA) libc/*.3 $(DESTDIR)$(mandir)/man3/
 install-man: libc_install-man
+$(LIBM_CHEWOUT_FILES): $(MKDOC)
 
 libm/libm.dvi: libm/targetdep.tex $(LIBM_CHEWOUT_FILES)
 
diff --git a/newlib/doc/local.mk b/newlib/doc/local.mk
index 15c43f225..de1dd1f2b 100644
--- a/newlib/doc/local.mk
+++ b/newlib/doc/local.mk
@@ -1,8 +1,8 @@
-# We can't use noinst_PROGRAMS, because automake will add $(EXEEXT).
-noinst_DATA += doc/makedoc
-
 MKDOC = doc/makedoc$(EXEEXT_FOR_BUILD)
 
+# We can't use noinst_PROGRAMS, because automake will add $(EXEEXT).
+noinst_DATA += $(MKDOC)
+
 # We don't use CFLAGS with CC_FOR_BUILD because here CFLAGS will
 # actually be CFLAGS_FOR_TARGET, and in some cases that will include
 # -Os, which CC_FOR_BUILD may not recognize.
diff --git a/newlib/libc/Makefile.inc b/newlib/libc/Makefile.inc
index fff9e8805..f30ced867 100644
--- a/newlib/libc/Makefile.inc
+++ b/newlib/libc/Makefile.inc
@@ -5,6 +5,7 @@ LIBC_CHEWOUT_FILES =
 
 LIBC_CHAPTERS = %D%/sys.tex
 LIBC_DOCBOOK_OUT_FILES = $(LIBC_CHEWOUT_FILES:.def=.xml)
+$(LIBC_CHEWOUT_FILES): $(MKDOC)
 
 %D%/libc.dvi: %D%/targetdep.tex $(LIBC_CHEWOUT_FILES)
 
diff --git a/newlib/libm/Makefile.inc b/newlib/libm/Makefile.inc
index f2f192ea8..7fdea0ca5 100644
--- a/newlib/libm/Makefile.inc
+++ b/newlib/libm/Makefile.inc
@@ -5,6 +5,7 @@ LIBM_CHEWOUT_FILES =
 
 LIBM_CHAPTERS =
 LIBM_DOCBOOK_OUT_FILES = $(LIBM_CHEWOUT_FILES:.def=.xml)
+$(LIBM_CHEWOUT_FILES): $(MKDOC)
 
 %D%/libm.dvi: %D%/targetdep.tex $(LIBM_CHEWOUT_FILES)