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-rw-r--r--ChangeLog8
-rw-r--r--Config/defs.mk.in3
-rw-r--r--INSTALL7
-rw-r--r--Src/init.c21
-rw-r--r--Src/zsh.mdd4
-rw-r--r--configure.ac13
6 files changed, 53 insertions, 3 deletions
diff --git a/ChangeLog b/ChangeLog
index e8caf4a6f..cd47dacd8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2011-04-18  Frank Terbeck  <ft@bewatermyfriend.org>
+
+	* 29008, 29012: Config/defs.mk.in, Src/init.c, Src/zsh.mdd,
+	configure.ac, INSTALL: Add `--enable-additional-fpath' option to
+	add arbitrary directories to the default `$fpath'.
+
 2011-04-18  Peter Stephenson  <pws@csr.com>
 
 	* Simon Ruderich: 29004: M Doc/Zsh/compsys.yo,
@@ -14471,5 +14477,5 @@
 
 *****************************************************
 * This is used by the shell to define $ZSH_PATCHLEVEL
-* $Revision: 1.5251 $
+* $Revision: 1.5252 $
 *****************************************************
diff --git a/Config/defs.mk.in b/Config/defs.mk.in
index cd3afa6c4..58ef11066 100644
--- a/Config/defs.mk.in
+++ b/Config/defs.mk.in
@@ -86,6 +86,9 @@ INSTALL_DATA    = @INSTALL_DATA@
 # variables used in determining what to install
 FUNCTIONS_SUBDIRS = @FUNCTIONS_SUBDIRS@
 
+# Additional fpath entries (eg. for vendor specific directories).
+additionalfpath = @additionalfpath@
+
 # flags passed to recursive makes in subdirectories
 MAKEDEFS = \
 prefix='$(prefix)' exec_prefix='$(exec_prefix)' bindir='$(bindir)' \
diff --git a/INSTALL b/INSTALL
index 9829ea370..fe03c8de0 100644
--- a/INSTALL
+++ b/INSTALL
@@ -472,6 +472,12 @@ $fpath array on shell startup.  This directory will not be affected by
 `make uninstall' or `make uninstall.fns', although the version-specific
 directory and its contents will be deleted.
 
+The --enable-additional-fpath option may be used to add arbitrary
+directories to the shell's default $fpath array.  This may be useful to
+have vendor specific function directories available for vendor specific
+addons.  You may add more than one directory this way by listing them with
+the option separated by commas.
+
 Function depth
 --------------
 
@@ -593,6 +599,7 @@ fndir=directory      # the directory where shell functions will go
                      # [DATADIR/zsh/VERSION/functions]
 site-fndir=directory # the directory where site-specific functions can go
                      # [DATADIR/zsh/site-functions]
+additional-path      # add directories to default function path [<none>]
 function-subdirs     # if functions will be installed into subdirectories [no]
 dynamic              # allow dynamically loaded binary modules [yes]
 largefile            # allow configure check for large files [yes]
diff --git a/Src/init.c b/Src/init.c
index aa052d834..0fcecef1a 100644
--- a/Src/init.c
+++ b/Src/init.c
@@ -676,11 +676,15 @@ setupvals(void)
     struct timezone dummy_tz;
     char *ptr;
     int i, j;
-#if defined(SITEFPATH_DIR) || defined(FPATH_DIR)
+#if defined(SITEFPATH_DIR) || defined(FPATH_DIR) || defined (ADDITIONAL_FPATH)
     char **fpathptr;
 # if defined(FPATH_DIR) && defined(FPATH_SUBDIRS)
     char *fpath_subdirs[] = FPATH_SUBDIRS;
 # endif
+# if defined(ADDITIONAL_FPATH)
+    char *more_fndirs[] = ADDITIONAL_FPATH;
+    int more_fndirs_len;
+# endif
 # ifdef SITEFPATH_DIR
     int fpathlen = 1;
 # else
@@ -764,7 +768,7 @@ setupvals(void)
     manpath  = mkarray(NULL);
     fignore  = mkarray(NULL);
 
-#if defined(SITEFPATH_DIR) || defined(FPATH_DIR)
+#if defined(SITEFPATH_DIR) || defined(FPATH_DIR) || defined(ADDITIONAL_FPATH)
 # ifdef FPATH_DIR
 #  ifdef FPATH_SUBDIRS
     fpathlen += sizeof(fpath_subdirs)/sizeof(char *);
@@ -772,15 +776,28 @@ setupvals(void)
     fpathlen++;
 #  endif
 # endif
+# if defined(ADDITIONAL_FPATH)
+    more_fndirs_len = sizeof(more_fndirs)/sizeof(char *);
+    fpathlen += more_fndirs_len;
+# endif
     fpath = fpathptr = (char **)zalloc((fpathlen+1)*sizeof(char *));
 # ifdef SITEFPATH_DIR
     *fpathptr++ = ztrdup(SITEFPATH_DIR);
     fpathlen--;
 # endif
+# if defined(ADDITIONAL_FPATH)
+    for (j = 0; j < more_fndirs_len; j++)
+	*fpathptr++ = ztrdup(more_fndirs[j]);
+# endif
 # ifdef FPATH_DIR
 #  ifdef FPATH_SUBDIRS
+#   ifdef ADDITIONAL_FPATH
+    for (j = more_fndirs_len; j < fpathlen; j++)
+	*fpathptr++ = tricat(FPATH_DIR, "/", fpath_subdirs[j - more_fndirs_len]);
+#   else
     for (j = 0; j < fpathlen; j++)
 	*fpathptr++ = tricat(FPATH_DIR, "/", fpath_subdirs[j]);
+#endif
 #  else
     *fpathptr++ = ztrdup(FPATH_DIR);
 #  endif
diff --git a/Src/zsh.mdd b/Src/zsh.mdd
index 537aa4d8e..9f19b45da 100644
--- a/Src/zsh.mdd
+++ b/Src/zsh.mdd
@@ -86,6 +86,10 @@ zshpaths.h: Makemod $(CONFIG_INCS)
 	    >>zshpaths.h.tmp; \
 	  fi; \
 	fi
+	@if test x$(additionalfpath) != x; then \
+	  fpath_tmp="`echo $(additionalfpath) | sed -e 's:,:\", \":g'`"; \
+	  echo "#define ADDITIONAL_FPATH { \"$$fpath_tmp\" }" >> zshpaths.h.tmp; \
+	fi
 	@if cmp -s zshpaths.h zshpaths.h.tmp; then \
 	    rm -f zshpaths.h.tmp; \
 	    echo "\`zshpaths.h' is up to date." ; \
diff --git a/configure.ac b/configure.ac
index fca1dd6a2..116de2e4f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -276,6 +276,16 @@ else
   FUNCTIONS_SUBDIRS=no
 fi
 
+ifdef([additionalfpath],[undefine([additionalfpath])])dnl
+AC_ARG_ENABLE(additional-fpath,
+AC_HELP_STRING([--enable-additional-fpath=DIR], [add directories to default function path]),
+[if test x$enableval = xyes; then
+  additionalfpath=""
+else
+  additionalfpath="${enableval}"
+fi], [additionalfpath=""])
+
+AC_SUBST(additionalfpath)dnl
 AC_SUBST(fndir)dnl
 AC_SUBST(sitefndir)dnl
 AC_SUBST(FUNCTIONS_SUBDIRS)dnl
@@ -3088,6 +3098,9 @@ info install path         : ${zshinfo}"
 if test "$zshfndir" != no; then
   echo "functions install path    : ${zshfndir}"
 fi
+if test "x$additionalfpath" != x; then
+  echo "additional fpath entries  : ${additionalfpath}"
+fi
 echo "See config.modules for installed modules and functions.
 "