diff options
Diffstat (limited to 'c/src/aclocal/bspopts.m4')
-rw-r--r-- | c/src/aclocal/bspopts.m4 | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/c/src/aclocal/bspopts.m4 b/c/src/aclocal/bspopts.m4 deleted file mode 100644 index 342c7258b9..0000000000 --- a/c/src/aclocal/bspopts.m4 +++ /dev/null @@ -1,82 +0,0 @@ -dnl -dnl RTEMS_BSPOPTS_* - some autoconf voodoo to handle default values and -dnl help-strings for per-BSP-environment variables. - -dnl To be used in bsp-configure scripts - - -dnl Example: -dnl -dnl RTEMS_BSPOPTS_SET([foo],[bar],[0]) -dnl RTEMS_BSPOPTS_SET([foo],[baz*],[hello]) -dnl RTEMS_BSPOPTS_SET([foo],[*],[]) -dnl RTEMS_BSPOPTS_HELP([foo],[env. variable foo]) -dnl -> Add "0" as default value of variable "foo" for BSP "bar" -dnl -> Add "hello" as default value of variable "foo" for all BSPs starting -dnl with "baz" in their name. -dnl -> Undefine foo as default clause for all BSP's. -dnl -dnl All this basically expands to a /bin/shell "case"-statement with -dnl accompanying autoconf magic to propagate VAR to bspopts.h. - - -dnl RTEMS_BSPOPTS_HELP(VAR,HELP-STRING) -dnl Set up printing the HELP-STRING for bspopts.h's variable VAR and add -dnl appropriate /bin/sh-magic to "configure" to have VAR set up. - -AC_DEFUN([RTEMS_BSPOPTS_HELP],[ -RTEMS_ARG_VAR([$1],[$2]) -m4_ifdef([_$1],[ -case "${RTEMS_BSP}" in -_$1[]dnl -esac],[]) -if test -n "[$]{$1}"; then[]dnl -AC_DEFINE_UNQUOTED([$1], - [[$]$1], - [$2])dnl -fi -]) - -dnl RTEMS_BSPOPTS_SET(VAR,BSP,DEFAULT) -dnl Set up a value DEFAULT to be used as default value for variable VAR for -dnl BSP in RTEMS_BSPOPTS_HELP. - -dnl MUST be used in front of exactly _one_ corresponding RTEMS_BSPOPTS_HELP - -AC_DEFUN([RTEMS_BSPOPTS_SET],[dnl -m4_append([_$1], -[$2 ) - $1=[$]{$1-$3} ;; -]) -]) - - -dnl RTEMS_ARG_VAR(VAR,HELP-STRING) -dnl An internal macros to have RTEMS_BSPOPTS_HELP's help string pretty -dnl printed with configure --help. -dnl Stripped down version of autoconf-2.52's AC_ARG_VAR. - -AC_DEFUN([RTEMS_ARG_VAR], -[ -m4_expand_once([m4_divert_once([HELP_VAR], -[AS_HELP_STRING([$1],[$2], )])], - [$0($1)])dnl -]) - -AC_DEFUN( -[RTEMS_BSPOPTS_SET_DATA_CACHE_ENABLED], -[RTEMS_BSPOPTS_SET([BSP_DATA_CACHE_ENABLED],[$1],[$2])]) - -AC_DEFUN( -[RTEMS_BSPOPTS_HELP_DATA_CACHE_ENABLED], -[RTEMS_BSPOPTS_HELP([BSP_DATA_CACHE_ENABLED], -[enables the data cache, if defined to a value other than zero])]) - -AC_DEFUN( -[RTEMS_BSPOPTS_SET_INSTRUCTION_CACHE_ENABLED], -[RTEMS_BSPOPTS_SET([BSP_INSTRUCTION_CACHE_ENABLED],[$1],[$2])]) - -AC_DEFUN( -[RTEMS_BSPOPTS_HELP_INSTRUCTION_CACHE_ENABLED], -[RTEMS_BSPOPTS_HELP([BSP_INSTRUCTION_CACHE_ENABLED], -[enables the instruction cache, if defined to a value other than zero])]) |