* getaddrinfo.h: Use #if !, not #ifndef, for AC_CHECK_DECLS.

[gnulib.git] / doc / make-stds.texi

diff --git a/doc/make-stds.texi b/doc/make-stds.texi
index 7216782..cd9f062 100644 (file)
--- a/doc/make-stds.texi
+++ b/doc/make-stds.texi
@@ -293,9 +293,18 @@ installed.
 
 Installation directories should always be named by variables, so it is
 easy to install in a nonstandard place.  The standard names for these
 
 Installation directories should always be named by variables, so it is
 easy to install in a nonstandard place.  The standard names for these

-variables are described below.  They are based on a standard filesystem
-layout; variants of it are used in SVR4, 4.4BSD, GNU/Linux, Ultrix v4,
-and other modern operating systems.
+variables and the values they should have in GNU packages are
+described below.  They are based on a standard filesystem layout;
+variants of it are used in GNU/Linux and other modern operating
+systems.
+
+Installers are expected to override these values when calling
+@command{make} (e.g., @kbd{make prefix=/usr install} or
+@command{configure} (e.g., @kbd{configure --prefix=/usr}).  GNU
+packages should not try to guess which value should be appropriate for
+these variables on the system they are being installed onto: use the
+default settings specified here so that all GNU packages behave
+identically, allowing the installer to achieve any desired layout.

 
 These two variables set the root for the installation.  All the other
 installation directories should be subdirectories of one of these two,
 
 These two variables set the root for the installation.  All the other
 installation directories should be subdirectories of one of these two,


@@ -355,6 +364,12 @@ The directory for installing executable programs to be run by other
 programs rather than by users.  This directory should normally be
 @file{/usr/local/libexec}, but write it as @file{$(exec_prefix)/libexec}.
 (If you are using Autoconf, write it as @samp{@@libexecdir@@}.)
 programs rather than by users.  This directory should normally be
 @file{/usr/local/libexec}, but write it as @file{$(exec_prefix)/libexec}.
 (If you are using Autoconf, write it as @samp{@@libexecdir@@}.)

+
+The definition of @samp{libexecdir} is the same for all packages, so
+you should install your data in a subdirectory thereof.  Most packages
+install their data under @file{$(libexecdir)/@var{package-name}/},
+possibly within additional subdirectories thereof, such as
+@file{$(libexecdir)/@var{package-name}/@var{machine}/@var{version}}.

 @end table
 
 Data files used by the program during its execution are divided into
 @end table
 
 Data files used by the program during its execution are divided into


@@ -384,20 +399,26 @@ to put these various kinds of files in:
 @item datarootdir
 The root of the directory tree for read-only architecture-independent
 data files.  This should normally be @file{/usr/local/share}, but
 @item datarootdir
 The root of the directory tree for read-only architecture-independent
 data files.  This should normally be @file{/usr/local/share}, but

-write it as @file{$(prefix)/share}.  @samp{datadir}'s default value is
-based on this variable; so are @samp{infodir}, @samp{mandir}, and others.
+write it as @file{$(prefix)/share}.  (If you are using Autoconf, write
+it as @samp{@@datarootdir@@}.)  @samp{datadir}'s default value is
+based on this variable; so are @samp{infodir}, @samp{mandir}, and
+others.

 
 @item datadir
 The directory for installing idiosyncratic read-only
 architecture-independent data files for this program.  This is usually
 the same place as @samp{datarootdir}, but we use the two separate
 
 @item datadir
 The directory for installing idiosyncratic read-only
 architecture-independent data files for this program.  This is usually
 the same place as @samp{datarootdir}, but we use the two separate

-variables so that you can move these idiosyncratic files without
+variables so that you can move these program-specific files without

 altering the location for Info files, man pages, etc.
 
 altering the location for Info files, man pages, etc.
 

-The default definition of @samp{datadir} should be
+This should normally be @file{/usr/local/share}, but write it as

 @file{$(datarootdir)}.  (If you are using Autoconf, write it as
 @samp{@@datadir@@}.)
 
 @file{$(datarootdir)}.  (If you are using Autoconf, write it as
 @samp{@@datadir@@}.)
 

+The definition of @samp{datadir} is the same for all packages, so you
+should install your data in a subdirectory thereof.  Most packages
+install their data under @file{$(datadir)/@var{package-name}/}.
+

 @item sysconfdir
 The directory for installing read-only data files that pertain to a
 single machine--that is to say, files for configuring a host.  Mailer
 @item sysconfdir
 The directory for installing read-only data files that pertain to a
 single machine--that is to say, files for configuring a host.  Mailer