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| author | Ralf Corsepius <ralf.corsepius@rtems.org> | 2007-05-08 10:46:30 +0000 |
|---|---|---|
| committer | Ralf Corsepius <ralf.corsepius@rtems.org> | 2007-05-08 10:46:30 +0000 |
| commit | 161016b55f41ece476946836b1ff0ebf6c5ac89f (patch) | |
| tree | 9eb1c86971561bfd5f55dd1fbff4e2d08e75699a /cpukit/configure.ac | |
| parent | 2007-05-08 Ralf Corsépius <ralf.corsepius@rtems.org> (diff) | |
| download | rtems-161016b55f41ece476946836b1ff0ebf6c5ac89f.tar.bz2 | |
2007-05-08 Ralf Corsépius <ralf.corsepius@rtems.org>
* configure.ac: Check for working PRIxPTR.
Diffstat (limited to 'cpukit/configure.ac')
| -rw-r--r-- | cpukit/configure.ac | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/cpukit/configure.ac b/cpukit/configure.ac index f4452b2d5f..e743c2d537 100644 --- a/cpukit/configure.ac +++ b/cpukit/configure.ac @@ -75,6 +75,27 @@ AC_CHECK_TYPES([uint64_t, int64_t]) AC_CHECK_TYPES([uintmax_t, intmax_t]) AC_CHECK_TYPES([uintptr_t, intptr_t]) +AC_CACHE_CHECK([if PRIxPTR works], +[rtems_cv_PRIxPTR],[ + AS_IF([test x"$GCC" = xyes],[ + save_CFLAGS=$CFLAGS + CFLAGS=-Werror]) + + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([ + #include <inttypes.h> + #include <stdio.h> + ],[ + void *ptr; + printf("%" PRIxPTR "\n", (intptr_t) ptr); + ])], + [rtems_cv_PRIxPTR=yes], + [rtems_cv_PRIxPTR=no]) + + AS_IF([test x"$GCC" = xyes],[ + CFLAGS=$save_CFLAGS]) +]) + # These are conditionally defined by the toolchain # FIXME: we should either conditionally compile those parts in # RTEMS depending on them, or abort - For now, simply check. |