From 39118b5eed53725dcd3feb61dc6cde5f98929579 Mon Sep 17 00:00:00 2001 From: Mathieu Lirzin Date: Sat, 19 Mar 2016 15:27:54 +0100 Subject: [PATCH] build: Rewrite comments for man pages. * doc.am : Rewrite comments to describe the build process and the meaning of the noticeable idiosyncrasies in a more general way. --- doc.am | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) diff --git a/doc.am b/doc.am index 956ac1fd5a..8356ffa2dd 100644 --- a/doc.am +++ b/doc.am @@ -98,6 +98,12 @@ dvi-local: ps-local ## Man pages. ## ## ----------- ## +# The man pages are generated using GNU Help2man. In makefiles rules they +# depend not on the binary, but on the source files. This usage allows a +# manual page to be generated by the maintainer and included in the +# distribution without requiring the end-user to have 'help2man' installed. +# They are built in $(srcdir) like info manuals. + sub_commands_mans = \ $(srcdir)/doc/guix-archive.1 \ $(srcdir)/doc/guix-build.1 \ @@ -120,22 +126,19 @@ dist_man1_MANS = \ $(srcdir)/doc/guix.1 \ $(sub_commands_mans) -# Man pages are generated using GNU help2man. gen_man = \ LANGUAGE= $(top_builddir)/pre-inst-env $(HELP2MAN) \ $(HELP2MANFLAGS) HELP2MANFLAGS = --source=GNU --info-page=$(PACKAGE_TARNAME) -# Note: Do not depend on 'scripts/guix' since that would trigger a rebuild -# even for people building from a tarball. $(srcdir)/doc/guix.1: scripts/guix.in $(sub_commands_mans) -$(AM_V_HELP2MAN)$(gen_man) --output="$@" `basename "$@" .1` -# Note: The dependency on $(GOBJECTS) is meant to force these docs to be made -# only after all Guile modules have been compiled. The 'case' ensures the man -# pages are only generated if the corresponding script source has been -# changed. +# The 'case' ensures the man pages are only generated if the corresponding +# source script (the first prerequisite) has been changed. The $(GOBJECTS) +# prerequisite is solely meant to force these docs to be made only after all +# Guile modules have been compiled. $(srcdir)/doc/guix-%.1: guix/scripts/%.scm $(GOBJECTS) -@case '$?' in \ *$<*) $(AM_V_P) && set -x || echo " HELP2MAN $@"; \ @@ -147,8 +150,6 @@ if BUILD_DAEMON dist_man1_MANS += $(srcdir)/doc/guix-daemon.1 -# Note: Do not depend on 'guix-daemon' since that would trigger a rebuild even -# for people building from a tarball. $(srcdir)/doc/guix-daemon.1: nix/nix-daemon/guix-daemon.cc -$(AM_V_HELP2MAN)$(gen_man) --output="$@" `basename "$@" .1`