libgloss: enable maintainer mode support

Use AM_MAINTAINER_MODE so devs have to opt-in to automatic rebuilds
of autotools.  This matches what newlib (and most every other GNU
toolchain package) does with automake.

1 files changed, 34 insertions, 0 deletions

diff --git a/libgloss/configure b/libgloss/configure
index 8662be404..dab6ac807 100755
--- a/libgloss/configure
+++ b/libgloss/configure
@@ -642,6 +642,9 @@ HAVE_MULTISUBDIR_FALSE
 HAVE_MULTISUBDIR_TRUE
 HAVE_DOC_FALSE
 HAVE_DOC_TRUE
+MAINT
+MAINTAINER_MODE_FALSE
+MAINTAINER_MODE_TRUE
 AM_BACKSLASH
 AM_DEFAULT_VERBOSITY
 AM_DEFAULT_V
@@ -724,6 +727,7 @@ target_makefile_frag'
 ac_user_opts='
 enable_option_checking
 enable_silent_rules
+enable_maintainer_mode
 enable_dependency_tracking
 enable_multilib
 '
@@ -1361,6 +1365,9 @@ Optional Features:
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
   --enable-silent-rules   less verbose build output (undo: "make V=1")
   --disable-silent-rules  verbose build output (undo: "make V=0")
+  --enable-maintainer-mode
+                          enable make rules and dependencies not useful (and
+                          sometimes confusing) to the casual installer
   --enable-dependency-tracking
                           do not reject slow dependency extractors
   --disable-dependency-tracking
@@ -2608,6 +2615,29 @@ END
   fi
 fi
 
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable maintainer-specific portions of Makefiles" >&5
+$as_echo_n "checking whether to enable maintainer-specific portions of Makefiles... " >&6; }
+    # Check whether --enable-maintainer-mode was given.
+if test "${enable_maintainer_mode+set}" = set; then :
+  enableval=$enable_maintainer_mode; USE_MAINTAINER_MODE=$enableval
+else
+  USE_MAINTAINER_MODE=no
+fi
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $USE_MAINTAINER_MODE" >&5
+$as_echo "$USE_MAINTAINER_MODE" >&6; }
+   if test $USE_MAINTAINER_MODE = yes; then
+  MAINTAINER_MODE_TRUE=
+  MAINTAINER_MODE_FALSE='#'
+else
+  MAINTAINER_MODE_TRUE='#'
+  MAINTAINER_MODE_FALSE=
+fi
+
+  MAINT=$MAINTAINER_MODE_TRUE
+
+
 # Check whether --enable-silent-rules was given.
 if test "${enable_silent_rules+set}" = set; then :
   enableval=$enable_silent_rules;
@@ -5361,6 +5391,10 @@ else
   am__EXEEXT_FALSE=
 fi
 
+if test -z "${MAINTAINER_MODE_TRUE}" && test -z "${MAINTAINER_MODE_FALSE}"; then
+  as_fn_error $? "conditional \"MAINTAINER_MODE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${HAVE_DOC_TRUE}" && test -z "${HAVE_DOC_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_DOC\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5