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author | Ralf Corsepius <ralf.corsepius@rtems.org> | 2003-08-18 06:35:41 +0000 |
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committer | Ralf Corsepius <ralf.corsepius@rtems.org> | 2003-08-18 06:35:41 +0000 |
commit | 867ab080e00abc47c3c64ca46b6a6ad62eaeab3d (patch) | |
tree | 241b76d298fd37ee4b490b352e7b93e719436af7 /c/src/aclocal/bspopts.m4 | |
parent | Fix broken ChangeLog entries. (diff) | |
download | rtems-867ab080e00abc47c3c64ca46b6a6ad62eaeab3d.tar.bz2 |
2003-08-18 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
* aclocal/bsp-alias.m4: New (Copied from ../../aclocal).
* aclocal/bsp-arg-enable.m4: New (Copied from ../../aclocal).
* aclocal/bsp-configure.m4: New (Copied from ../../aclocal).
* aclocal/bspopts.m4: New (Copied from ../../aclocal).
* aclocal/canonical-host.m4: New (Copied from ../../aclocal).
* aclocal/canonicalize-tools.m4: New (Copied from ../../aclocal).
* aclocal/canonical-target-name.m4: New (Copied from ../../aclocal).
* aclocal/check-cpu.m4: New (Copied from ../../aclocal).
* aclocal/check-custom-bsp.m4: New (Copied from ../../aclocal).
* aclocal/check-cxx.m4: New (Copied from ../../aclocal).
* aclocal/check-itron.m4: New (Copied from ../../aclocal).
* aclocal/check-multiprocessing.m4: New (Copied from ../../aclocal).
* aclocal/check-networking.m4: New (Copied from ../../aclocal).
* aclocal/check-posix.m4: New (Copied from ../../aclocal).
* aclocal/check-rdbg.m4: New (Copied from ../../aclocal).
* aclocal/check-tool.m4: New (Copied from ../../aclocal).
* aclocal/config-subdirs.m4: New (Copied from ../../aclocal).
* aclocal/enable-bare.m4: New (Copied from ../../aclocal).
* aclocal/enable-cxx.m4: New (Copied from ../../aclocal).
* aclocal/enable-inlines.m4: New (Copied from ../../aclocal).
* aclocal/enable-itron.m4: New (Copied from ../../aclocal).
* aclocal/enable-multiprocessing.m4: New (Copied from ../../aclocal).
* aclocal/enable-networking.m4: New (Copied from ../../aclocal).
* aclocal/enable-posix.m4: New (Copied from ../../aclocal).
* aclocal/enable-rdbg.m4: New (Copied from ../../aclocal).
* aclocal/enable-rtemsbsp.m4: New (Copied from ../../aclocal).
* aclocal/env-rtemsbsp.m4: New (Copied from ../../aclocal).
* aclocal/gcc-isystem.m4: New (Copied from ../../aclocal).
* aclocal/gcc-pipe.m4: New (Copied from ../../aclocal).
* aclocal/gcc-specs.m4: New (Copied from ../../aclocal).
* aclocal/i386-gas-code16.m4: New (Copied from ../../aclocal).
* aclocal/multilib.m4: New (Copied from ../../aclocal).
* aclocal/path-ksh.m4: New (Copied from ../../aclocal).
* aclocal/path-perl.m4: New (Copied from ../../aclocal).
* aclocal/ppc.m4: New (Copied from ../../aclocal).
* aclocal/prog-ccas.m4: New (Copied from ../../aclocal).
* aclocal/prog-cc.m4: New (Copied from ../../aclocal).
* aclocal/prog-cxx.m4: New (Copied from ../../aclocal).
* aclocal/project-root.m4: New (Copied from ../../aclocal).
* aclocal/quoting.m4: New (Copied from ../../aclocal).
* aclocal/rtems-cpu-subdirs.m4: New (Copied from ../../aclocal).
* aclocal/rtems-flags.m4: New (Copied from ../../aclocal).
* aclocal/rtems-top.m4: New (Copied from ../../aclocal).
* aclocal/target.m4: New (Copied from ../../aclocal).
* aclocal/tool-paths.m4: New (Copied from ../../aclocal).
* aclocal/version.m4: New (Copied from ../../aclocal).
Diffstat (limited to 'c/src/aclocal/bspopts.m4')
-rw-r--r-- | c/src/aclocal/bspopts.m4 | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/c/src/aclocal/bspopts.m4 b/c/src/aclocal/bspopts.m4 new file mode 100644 index 0000000000..e7ba131ae5 --- /dev/null +++ b/c/src/aclocal/bspopts.m4 @@ -0,0 +1,66 @@ +dnl $Id$ +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 use 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], +[AC_HELP_STRING([$1], [$2], [ ])])], + [$0($1)])dnl +]) |