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dnl Allow configure to specify a specific binary
dnl 1: Environment variable
dnl 2: binary name
dnl 3: optional list of alternative binary names
dnl 4: optional list of additional search directories
AC_DEFUN([QUILT_COMPAT_PROG_PATH],[
m4_define([internal_$2_cmd],[esyscmd(ls compat/$2.in 2>/dev/null)])
AC_ARG_WITH($2, AC_HELP_STRING(
[--with-$2], [name of the $2 executable to use]
m4_if(internal_$2_cmd,[],[],[ (use --without-$2
to use an internal mechanism)])),
[
if test x"$withval" = xnone; then
AC_MSG_ERROR([Invalid configure argument. use --without-$2])
fi
if test x"$withval" != xno; then
AC_MSG_CHECKING(for $2)
$1="$withval"
if test -e "$$1"; then
if test ! -f "$$1" -a ! -h "$$1" || test ! -x "$$1"; then
AC_MSG_ERROR([$$1 is not an executable file])
fi
fi
AC_MSG_RESULT([$$1])
if test ! -e "$$1"; then
AC_MSG_WARN([$$1 does not exist])
fi
COMPAT_SYMLINKS="$COMPAT_SYMLINKS $2"
fi
],[
m4_if([$3],[],[
AC_PATH_PROG($1,$2,,$PATH:$4)
],[
AC_PATH_PROGS($1,$3,,$PATH:$4)
if test -n "$$1" -a "`expr "$$1" : '.*/\([[^/]]*\)$'`" != "$2"; then
COMPAT_SYMLINKS="$COMPAT_SYMLINKS $2"
fi
])
m4_if([$4],[],[],[
if test -n "$$1"; then
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for dir in "$4"; do
if test "`dirname $$1`" = "$dir"; then
COMPAT_SYMLINKS="$COMPAT_SYMLINKS $2"
break
fi
done
IFS="$as_save_IFS"
fi
])
])
if test -z "$$1"; then
m4_if(internal_$2_cmd,[],[
AC_MSG_ERROR([Please specify the location of $2 with the option '--with-$2'])
],[
AC_MSG_WARN([Using internal $2 mechanism. Use option '--with-$2' to override])
COMPAT_PROGRAMS="$COMPAT_PROGRAMS $2"
$1=$2
INTERNAL_$1=1
])
fi
AC_SUBST($1)
])
dnl Allow configure to specify a specific binary
dnl This variant is for optional binaries.
dnl 1: Environment variable
dnl 2: binary name
dnl 3: optional list of alternative binary names
dnl 4: optional list of additional search directories
AC_DEFUN([QUILT_COMPAT_PROG_PATH_OPT],[
AC_ARG_WITH($2, AC_HELP_STRING(
[--with-$2], [name of the $2 executable to use]),
[
if test x"$withval" != xno; then
AC_MSG_CHECKING(for $2)
$1="$withval"
if test -e "$$1"; then
if test ! -f "$$1" -a ! -h "$$1" || test ! -x "$$1"; then
AC_MSG_ERROR([$$1 is not an executable file])
fi
fi
AC_MSG_RESULT([$$1])
if test ! -e "$$1"; then
AC_MSG_WARN([$$1 does not exist])
fi
COMPAT_SYMLINKS="$COMPAT_SYMLINKS $2"
fi
],[
m4_if([$3],[],[
AC_PATH_PROG($1,$2,,$PATH:$4)
],[
AC_PATH_PROGS($1,$3,,$PATH:$4)
if test -n "$$1" -a "`expr "$$1" : '.*/\([[^/]]*\)$'`" != "$2"; then
COMPAT_SYMLINKS="$COMPAT_SYMLINKS $2"
fi
])
m4_if([$4],[],[],[
if test -n "$$1"; then
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for dir in "$4"; do
if test "`dirname $$1`" = "$dir"; then
COMPAT_SYMLINKS="$COMPAT_SYMLINKS $2"
break
fi
done
IFS="$as_save_IFS"
fi
])
if test -z "$$1"; then
AC_MSG_WARN([$2 not found, some optional functionalities will be missing])
fi
])
if test -z "$$1"; then
$1=$2
fi
AC_SUBST($1)
])
|