patch 8.1.1529: libcanberra is linked with even when not used

Problem:    Libcanberra is linked with even when not used.
Solution:   Have configure check for libcanberra only when wanted.
            (suggestions by Libor Bukata)

src/Makefile

@@ -528,6 +528,11 @@ CClink = $(CC)
 # though you have /dev/sysmouse and includes.
 #CONF_OPT_SYSMOUSE = --disable-sysmouse
 
+# libcanberra - For sound support.  Default is on for big features.
+# Uncomment one of the two to chose otherwise.
+# CONF_OPT_CANBERRA = --enable-canberra
+# CONF_OPT_CANBERRA = --disable-canberra
+
 # FEATURES - For creating Vim with more or less features
 # Uncomment one of these lines when you want to include few to many features.
 # The default is "huge" for most systems.
@@ -1952,7 +1957,7 @@ config auto/config.mk: auto/configure config.mk.in config.h.in
 		$(CONF_ARGS4) $(CONF_ARGS5) $(CONF_ARGS6) \
 		$(CONF_OPT_MZSCHEME) $(CONF_OPT_PLTHOME) \
 		$(CONF_OPT_LUA) $(CONF_OPT_LUA_PREFIX) \
-		$(CONF_OPT_SYSMOUSE); \
+		$(CONF_OPT_SYSMOUSE) $(CONF_OPT_CANBERRA); \
 	fi
 
 # Use "make reconfig" to rerun configure without cached values.

src/auto/configure

@@ -840,6 +840,7 @@ enable_desktop_database_update
 with_motif_lib
 with_tlib
 enable_largefile
+enable_canberra
 enable_acl
 enable_gpm
 enable_sysmouse
@@ -1515,6 +1516,7 @@ Optional Features:
   --disable-icon-cache-update        update disabled
   --disable-desktop-database-update  update disabled
   --disable-largefile     omit support for large files
+  --disable-canberra      Do not use libcanberra.
   --disable-acl           No check for ACL support.
   --disable-gpm           Don't use gpm (Linux mouse daemon).
   --disable-sysmouse      Don't use sysmouse (mouse in *BSD console).
@@ -12925,40 +12927,56 @@ rm -rf conftest*
 fi
 
 
-
-if test "x$PKG_CONFIG" != "xno"; then
-  canberra_lib=`$PKG_CONFIG --libs libcanberrax 2>/dev/null`
-  canberra_cflags=`$PKG_CONFIG --cflags libcanberrax 2>/dev/null`
-     { $as_echo "$as_me:${as_lineno-$LINENO}: result: canberra_lib: $canberra_lib" >&5
-$as_echo "canberra_lib: $canberra_lib" >&6; }
-     { $as_echo "$as_me:${as_lineno-$LINENO}: result: canberra_cflags: $canberra_cflags" >&5
-$as_echo "canberra_cflags: $canberra_cflags" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking --enable-canberra argument" >&5
+$as_echo_n "checking --enable-canberra argument... " >&6; }
+# Check whether --enable-canberra was given.
+if test "${enable_canberra+set}" = set; then :
+  enableval=$enable_canberra;
+else
+  enable_canberra="maybe"
 fi
-if test "x$canberra_lib" = "x"; then
-  canberra_lib=-lcanberra
-  canberra_cflags=-D_REENTRANT
+
+
+if test "$enable_canberra" = "maybe"; then
+  if test "$features" = "big" -o "$features" = "huge"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: Defaulting to yes" >&5
+$as_echo "Defaulting to yes" >&6; }
+    enable_canberra="yes"
+  else
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: Defaulting to no" >&5
+$as_echo "Defaulting to no" >&6; }
+    enable_canberra="no"
+  fi
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_canberra" >&5
+$as_echo "$enable_canberra" >&6; }
 fi
-     { $as_echo "$as_me:${as_lineno-$LINENO}: result: canberra_lib: $canberra_lib" >&5
-$as_echo "canberra_lib: $canberra_lib" >&6; }
-     { $as_echo "$as_me:${as_lineno-$LINENO}: result: canberra_cflags: $canberra_cflags" >&5
-$as_echo "canberra_cflags: $canberra_cflags" >&6; }
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libcanberra" >&5
+if test "$enable_canberra" = "yes"; then
+  if test "x$PKG_CONFIG" != "xno"; then
+    canberra_lib=`$PKG_CONFIG --libs libcanberra 2>/dev/null`
+    canberra_cflags=`$PKG_CONFIG --cflags libcanberra 2>/dev/null`
+  fi
+  if test "x$canberra_lib" = "x"; then
+    canberra_lib=-lcanberra
+    canberra_cflags=-D_REENTRANT
+  fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libcanberra" >&5
 $as_echo_n "checking for libcanberra... " >&6; }
-ac_save_CFLAGS="$CFLAGS"
-ac_save_LIBS="$LIBS"
-CFLAGS="$CFLAGS $canberra_cflags"
-LIBS="$LIBS $canberra_lib"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  ac_save_CFLAGS="$CFLAGS"
+  ac_save_LIBS="$LIBS"
+  CFLAGS="$CFLAGS $canberra_cflags"
+  LIBS="$LIBS $canberra_lib"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-# include <canberra.h>
+  # include <canberra.h>
 
 int
 main ()
 {
 
-   ca_context *hello;
-   ca_context_create(&hello);
+     ca_context *hello;
+     ca_context_create(&hello);
   ;
   return 0;
 }
@@ -12973,6 +12991,7 @@ $as_echo "no" >&6; }; CFLAGS="$ac_save_CFLAGS"; LIBS="$ac_save_LIBS"
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
+fi
 
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for st_blksize" >&5

src/configure.ac

@@ -3751,27 +3751,44 @@ dnl define _LARGE_FILES, _FILE_OFFSET_BITS and _LARGEFILE_SOURCE when
 dnl appropriate, so that off_t is 64 bits when needed.
 AC_SYS_LARGEFILE
 
-
-if test "x$PKG_CONFIG" != "xno"; then
-  canberra_lib=`$PKG_CONFIG --libs libcanberra 2>/dev/null`
-  canberra_cflags=`$PKG_CONFIG --cflags libcanberra 2>/dev/null`
+AC_MSG_CHECKING(--enable-canberra argument)
+AC_ARG_ENABLE(canberra,
+	[  --disable-canberra      Do not use libcanberra.],
+	, [enable_canberra="maybe"])
+
+if test "$enable_canberra" = "maybe"; then
+  if test "$features" = "big" -o "$features" = "huge"; then
+    AC_MSG_RESULT(Defaulting to yes)
+    enable_canberra="yes"
+  else
+    AC_MSG_RESULT(Defaulting to no)
+    enable_canberra="no"
+  fi
+else
+  AC_MSG_RESULT($enable_canberra)
 fi
-if test "x$canberra_lib" = "x"; then
-  canberra_lib=-lcanberra
-  canberra_cflags=-D_REENTRANT
+if test "$enable_canberra" = "yes"; then
+  if test "x$PKG_CONFIG" != "xno"; then
+    canberra_lib=`$PKG_CONFIG --libs libcanberra 2>/dev/null`
+    canberra_cflags=`$PKG_CONFIG --cflags libcanberra 2>/dev/null`
+  fi
+  if test "x$canberra_lib" = "x"; then
+    canberra_lib=-lcanberra
+    canberra_cflags=-D_REENTRANT
+  fi
+  AC_MSG_CHECKING(for libcanberra)
+  ac_save_CFLAGS="$CFLAGS"
+  ac_save_LIBS="$LIBS"
+  CFLAGS="$CFLAGS $canberra_cflags"
+  LIBS="$LIBS $canberra_lib"
+  AC_TRY_LINK([
+  # include <canberra.h>
+      ], [
+     ca_context *hello;
+     ca_context_create(&hello);],
+       AC_MSG_RESULT(yes); AC_DEFINE(HAVE_CANBERRA),
+       AC_MSG_RESULT(no); CFLAGS="$ac_save_CFLAGS"; LIBS="$ac_save_LIBS")
 fi
-AC_MSG_CHECKING(for libcanberra)
-ac_save_CFLAGS="$CFLAGS"
-ac_save_LIBS="$LIBS"
-CFLAGS="$CFLAGS $canberra_cflags"
-LIBS="$LIBS $canberra_lib"
-AC_TRY_LINK([
-# include <canberra.h>
-    ], [
-   ca_context *hello;
-   ca_context_create(&hello);],
-     AC_MSG_RESULT(yes); AC_DEFINE(HAVE_CANBERRA),
-     AC_MSG_RESULT(no); CFLAGS="$ac_save_CFLAGS"; LIBS="$ac_save_LIBS")
 
 
 dnl fstatfs() can take 2 to 4 arguments, try to use st_blksize if possible

src/feature.h

@@ -663,7 +663,7 @@
 /*
  * sound - currently only with libcanberra
  */
-#if !defined(FEAT_SOUND) && defined(FEAT_BIG) && defined(HAVE_CANBERRA)
+#if !defined(FEAT_SOUND) && defined(HAVE_CANBERRA)
 # define FEAT_SOUND
 #endif
 

src/version.c

@@ -777,6 +777,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1529,
 /**/
     1528,
 /**/