[elpa] master fee1b52 211/433: Added file with Emacs-related macros from Alan Shutko.

[Dmitry Gutov]

branch: master
commit fee1b52680a5d618fcc6d32d9b0bbc758abdde5f
Author: viritrilbia <viritrilbia>
Commit: viritrilbia <viritrilbia>

    Added file with Emacs-related macros from Alan Shutko.
---
 acinclude.m4 | 165 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 165 insertions(+)

diff --git a/acinclude.m4 b/acinclude.m4
new file mode 100644
index 0000000..e02262f
--- /dev/null
+++ b/acinclude.m4
@@ -0,0 +1,165 @@
+dnl
+dnl Execute arbitrary emacs lisp
+dnl
+AC_DEFUN(AC_EMACS_LISP, [
+elisp="$2"
+if test -z "$3"; then
+       AC_MSG_CHECKING(for $1)
+fi
+AC_CACHE_VAL(EMACS_cv_SYS_$1,[
+       OUTPUT=./conftest-$$
+       echo ${EMACS} -batch -eval "(let ((x ${elisp})) (write-region (if 
(stringp x) (princ x) (prin1-to-string x)) nil \"${OUTPUT}\"))" >& AC_FD_CC 
2>&1  
+       ${EMACS} -batch -eval "(let ((x ${elisp})) (write-region (if (stringp 
x) (princ x 'ignore) (prin1-to-string x)) nil \"${OUTPUT}\"nil 5))" >& AC_FD_CC 
2>&1
+       retval=`cat ${OUTPUT}`
+       echo "=> ${retval}" >& AC_FD_CC 2>&1
+       rm -f ${OUTPUT}
+       EMACS_cv_SYS_$1=$retval
+])
+$1=${EMACS_cv_SYS_$1}
+if test -z "$3"; then
+       AC_MSG_RESULT($$1)
+fi
+])
+
+AC_DEFUN(AC_XEMACS_P, [
+  AC_MSG_CHECKING([if $EMACS is really XEmacs])
+  AC_EMACS_LISP(xemacsp,(if (string-match \"XEmacs\" emacs-version) \"yes\" 
\"no\") ,"noecho")
+  XEMACS=${EMACS_cv_SYS_xemacsp}
+  EMACS_FLAVOR=emacs
+  if test "$XEMACS" = "yes"; then
+     EMACS_FLAVOR=xemacs
+  fi
+  AC_MSG_RESULT($XEMACS)
+  AC_SUBST(XEMACS)
+  AC_SUBST(EMACS_FLAVOR)
+])
+
+AC_DEFUN(AC_PATH_LISPDIR, [
+  AC_XEMACS_P
+  if test "$prefix" = "NONE"; then
+       AC_MSG_CHECKING([prefix for your Emacs])
+       AC_EMACS_LISP(prefix,(expand-file-name \"..\" 
invocation-directory),"noecho")
+       prefix=${EMACS_cv_SYS_prefix}
+       AC_MSG_RESULT($prefix)
+  fi
+  AC_ARG_WITH(lispdir,          --with-lispdir            Where to install 
lisp files, lispdir=${withval})
+  AC_MSG_CHECKING([where .elc files should go])
+  if test -z "$lispdir"; then
+    dnl Set default value
+    theprefix=$prefix
+    if test "x$theprefix" = "xNONE"; then
+       theprefix=$ac_default_prefix
+    fi
+    lispdir="\$(datadir)/${EMACS_FLAVOR}/site-lisp"
+    for thedir in share lib; do
+       potential=
+       if test -d ${theprefix}/${thedir}/${EMACS_FLAVOR}/site-lisp; then
+          lispdir="\$(prefix)/${thedir}/${EMACS_FLAVOR}/site-lisp"
+          break
+       fi
+    done
+  fi
+  AC_MSG_RESULT($lispdir)
+  AC_SUBST(lispdir)
+])
+
+dnl
+dnl Determine the emacs version we are running.
+dnl Automatically substitutes @EMACS_VERSION@ with this number.
+dnl
+AC_DEFUN(AC_EMACS_VERSION, [
+AC_MSG_CHECKING(for emacs version)
+AC_EMACS_LISP(version,(and (boundp 'emacs-major-version) (format \"%d.%d\" 
emacs-major-version emacs-minor-version)),"noecho")
+
+EMACS_VERSION=${EMACS_cv_SYS_version}
+AC_SUBST(EMACS_VERSION)
+AC_MSG_RESULT(${EMACS_VERSION})
+])
+
+dnl
+dnl Determine whether the specified version of Emacs supports packages
+dnl or not.  Currently, only XEmacs 20.3 does, but this is a general
+dnl check.
+dnl
+AC_DEFUN(AC_EMACS_PACKAGES, [
+AC_ARG_WITH(package-dir,      --with-package-dir        Configure as a XEmacs 
package in directory, [ EMACS_PACKAGE_DIR="${withval}"])
+if test -n "$EMACS_PACKAGE_DIR"; then
+  if test "$prefix" != "NONE"; then
+       AC_MSG_ERROR([--with-package-dir and --prefix are mutually exclusive])
+  fi
+  dnl Massage everything to use $(prefix) correctly.
+  prefix=$EMACS_PACKAGE_DIR
+  datadir='$(prefix)/etc/w3'
+  infodir='$(prefix)/info'
+  lispdir='$(prefix)/lisp/w3'
+fi
+AC_SUBST(EMACS_PACKAGE_DIR)
+])
+
+dnl
+dnl Check whether a function exists in a library
+dnl All '_' characters in the first argument are converted to '-'
+dnl
+AC_DEFUN(AC_EMACS_CHECK_LIB, [
+if test -z "$3"; then
+       AC_MSG_CHECKING(for $2 in $1)
+fi
+library=`echo $1 | tr _ -`
+AC_EMACS_LISP($1,(progn (fmakunbound '$2) (condition-case nil (progn (require 
'$library) (fboundp '$2)) (error (prog1 nil (message \"$library not 
found\"))))),"noecho")
+if test "${EMACS_cv_SYS_$1}" = "nil"; then
+       EMACS_cv_SYS_$1=no
+fi
+if test "${EMACS_cv_SYS_$1}" = "t"; then
+       EMACS_cv_SYS_$1=yes
+fi
+HAVE_$1=${EMACS_cv_SYS_$1}
+AC_SUBST(HAVE_$1)
+if test -z "$3"; then
+       AC_MSG_RESULT($HAVE_$1)
+fi
+])
+
+dnl
+dnl Check whether a variable exists in a library
+dnl All '_' characters in the first argument are converted to '-'
+dnl
+AC_DEFUN(AC_EMACS_CHECK_VAR, [
+AC_MSG_CHECKING(for $2 in $1)
+library=`echo $1 | tr _ -`
+AC_EMACS_LISP($1,(progn (makunbound '$2) (condition-case nil (progn (require 
'$library) (boundp '$2)) (error nil))),"noecho")
+if test "${EMACS_cv_SYS_$1}" = "nil"; then
+       EMACS_cv_SYS_$1=no
+fi
+HAVE_$1=${EMACS_cv_SYS_$1}
+AC_SUBST(HAVE_$1)
+AC_MSG_RESULT($HAVE_$1)
+])
+
+dnl
+dnl Perform sanity checking and try to locate the custom and widget packages
+dnl
+AC_DEFUN(AC_CHECK_CUSTOM, [
+AC_MSG_CHECKING(for acceptable custom library)
+AC_CACHE_VAL(EMACS_cv_ACCEPTABLE_CUSTOM,[
+AC_EMACS_CHECK_LIB(widget,widget-convert-text,"noecho")
+AC_EMACS_CHECK_LIB(wid_edit,widget-convert-text,"noecho")
+if test "${HAVE_widget}" = "yes"; then
+       EMACS_cv_ACCEPTABLE_CUSTOM=yes
+else
+       if test "${HAVE_wid_edit}" != "no"; then
+               EMACS_cv_ACCEPTABLE_CUSTOM=yes
+       else
+               EMACS_cv_ACCEPTABLE_CUSTOM=no
+       fi
+fi
+if test "${EMACS_cv_ACCEPTABLE_CUSTOM}" = "yes"; then
+       AC_EMACS_LISP(widget_dir,(file-name-directory (locate-library 
\"widget\")),"noecho")
+       EMACS_cv_ACCEPTABLE_CUSTOM=$EMACS_cv_SYS_widget_dir
+fi
+])
+   AC_ARG_WITH(custom,           --with-custom             Specify where to 
find the custom package, [ EMACS_cv_ACCEPTABLE_CUSTOM=`( cd $withval && pwd || 
echo "$withval" ) 2> /dev/null` ])
+   CUSTOM=${EMACS_cv_ACCEPTABLE_CUSTOM}
+   AC_SUBST(CUSTOM)
+   AC_MSG_RESULT("${CUSTOM}")
+])
+