On Tue, Mar 17, 2009 at 04:45:39PM -0400, Mike Frysinger wrote:
> On Tuesday 17 March 2009 12:45:54 Michal Marek wrote:
> > diff --git a/configure.ac b/configure.ac
> > index 9f09102..7b860b1 100644
> > --- a/configure.ac
> > +++ b/configure.ac
> > @@ -22,7 +22,9 @@ AC_PROG_CC
> > AC_CHECK_PROGS(DOCBOOKTOMAN, docbook-to-man docbook2man, [no],)
> > if test x"$DOCBOOKTOMAN" = xno
> > then
> > - AC_MSG_ERROR([docbook2man not found])
> > + AC_MSG_WARN([docbook2man not found])
> > + # fail with a meaningfull error if $DOCBOOKTOMAN called by the makefile
>
> dont know if Jon cares, but some people prefer dnl for comments since the
> literal comment moved to configure is useless ...
The rest of the configure.ac also uses '#', so I'll stick to that.
> > + DOCBOOKTOMAN='${top_srcdir}/missing docbook2man'
> > fi
>
> awesome, thanks ... i just wonder now if the /dev/null redirect that exists
> in
> the Makefile will prevent the pretty message from being displayed ?
Argh. The >/dev/null redirection is not a problem here, because the
makefile will run the else branch, but this will generate an empty
manpage due to the '> $@' there and it also won't fail due to the sed
pipe:
$ make
if [ "./missing docbook2man" = "docbook2man" ]; then \
./missing docbook2man doc/lsmod.sgml > /dev/null 2>&1;
\
else \
./missing docbook2man doc/lsmod.sgml 2>&1 > lsmod.8 | sed
's/^[^:]*://'; \
fi
`docbook2man' is needed, and is missing on your system.
You might have modified some files without having the
proper tools for further handling them. Check the `README' file,
it often tells you about the needed prerequisites for installing
this package. You may also peek at any GNU archive site, in case
some other package would contain this missing `docbook2man' program.
$ make
make: Nothing to be done for `all'.
Third try:
Subject: [PATCH] Don't abort the build if docbook2man is missing
Instead of aborting the build, print a warning if neither
docbook2man nor docbook-to-man is found. Also, don't hide
or mangle docbook2man / docbook-to-man errors in the Makefile.
Signed-off-by: Michal Marek <[email protected]>
---
Makefile.am | 9 +++++++--
configure.ac | 4 +++-
2 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/Makefile.am b/Makefile.am
index bf9292f..412b4b9 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -47,9 +47,14 @@ MAINTAINERCLEANFILES := $(man_MANS)
# docbook2man writes file itself, doesn't do stdout.
%.8: doc/%.sgml
if [ "$(DOCBOOKTOMAN)" = "docbook2man" ]; then \
- $(DOCBOOKTOMAN) $< > /dev/null 2>&1; \
+ $(DOCBOOKTOMAN) $< >/dev/null; \
else \
- $(DOCBOOKTOMAN) $< 2>&1 > $@ | sed 's/^[^:]*://'; \
+ if $(DOCBOOKTOMAN) $< > [email protected]; then \
+ mv -f [email protected] $@; \
+ else \
+ rm -f [email protected]; \
+ exit 1; \
+ fi \
fi
%.5: doc/%.sgml
diff --git a/configure.ac b/configure.ac
index 9f09102..7b860b1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -22,7 +22,9 @@ AC_PROG_CC
AC_CHECK_PROGS(DOCBOOKTOMAN, docbook-to-man docbook2man, [no],)
if test x"$DOCBOOKTOMAN" = xno
then
- AC_MSG_ERROR([docbook2man not found])
+ AC_MSG_WARN([docbook2man not found])
+ # fail with a meaningfull error if $DOCBOOKTOMAN called by the makefile
+ DOCBOOKTOMAN='${top_srcdir}/missing docbook2man'
fi
# Delay adding the zlib_flags until after AC_PROG_CC, so we can distinguish
--
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