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# Some GCC sanity checks to check for known bugs in the rtems gcc toolchains
# Internal macro
# _RTEMS_GCC_WARNING(msg,cache-variable,include,main)
AC_DEFUN([_RTEMS_GCC_WARNING],[
AC_CACHE_CHECK([$1],
[$2],[
AS_IF([test x"$GCC" = xyes],[
save_CFLAGS=$CFLAGS
CFLAGS="-Wall -Werror"])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([$3],[$4])],
[$2=yes],
[$2=no])
AS_IF([test x"$GCC" = xyes],[
CFLAGS=$save_CFLAGS])
])
])
AC_DEFUN([RTEMS_CHECK_GCC_PRIxPTR],[
_RTEMS_GCC_WARNING(
[if printf("%" PRIxPTR, uintptr_t) works],
[rtems_cv_PRIxPTR],[
#include <inttypes.h>
#include <stdio.h>
],[
uintptr_t ptr = 42;
printf("%" PRIxPTR "\n", ptr);
])
])
AC_DEFUN([RTEMS_CHECK_GCC_PRIuPTR],[
_RTEMS_GCC_WARNING(
[if printf("%" PRIuPTR, uintptr_t) works],
[rtems_cv_PRIuPTR],[
#include <inttypes.h>
#include <stdio.h>
],[
uintptr_t ptr = 42;
printf("%" PRIuPTR "\n", ptr);
])
])
AC_DEFUN([RTEMS_CHECK_GCC_PRIdPTR],[
_RTEMS_GCC_WARNING(
[if printf("%" PRIdPTR, intptr_t) works],
[rtems_cv_PRIdPTR],[
#include <inttypes.h>
#include <stdio.h>
],[
intptr_t ptr = -1;
printf("%" PRIdPTR "\n", ptr);
])
])
AC_DEFUN([RTEMS_CHECK_GCC_PRINTF_ZU_SIZE_T],[
_RTEMS_GCC_WARNING(
[if printf("%zu", size_t) works],
[rtems_cv_PRINTF_ZU_SIZE_T],[
#include <sys/types.h>
#include <stdio.h>
],[
size_t sz = 1;
printf("%zu\n", sz);
])
])
AC_DEFUN([RTEMS_CHECK_GCC_PRINTF_ZD_SSIZE_T],[
_RTEMS_GCC_WARNING(
[if printf("%zd", ssize_t) works],
[rtems_cv_PRINTF_ZD_SSIZE_T],[
#include <sys/types.h>
#include <stdio.h>
],[
ssize_t sz = 1;
printf("%zd\n", sz);
])
])
AC_DEFUN([RTEMS_CHECK_GCC_PRINTF_LD_OFF_T],[
_RTEMS_GCC_WARNING(
[if printf("%ld", off_t) works],
[rtems_cv_PRINTF_LD_OFF_T],[
#include <sys/types.h>
#include <stdio.h>
],[
off_t off = 1;
printf("%ld\n", off);
])
])
AC_DEFUN([RTEMS_CHECK_GCC_PRINTF_LLD_OFF_T],[
_RTEMS_GCC_WARNING(
[if printf("%lld", off_t) works],
[rtems_cv_PRINTF_LLD_OFF_T],[
#include <sys/types.h>
#include <stdio.h>
],[
off_t off = 1;
printf("%lld\n", off);
])
])
AC_DEFUN([RTEMS_CHECK_GCC_SANITY],[
RTEMS_CHECK_GCC_PRIxPTR
RTEMS_CHECK_GCC_PRIuPTR
RTEMS_CHECK_GCC_PRIdPTR
RTEMS_CHECK_GCC_PRINTF_ZU_SIZE_T
RTEMS_CHECK_GCC_PRINTF_ZD_SSIZE_T
RTEMS_CHECK_GCC_PRINTF_LD_OFF_T
RTEMS_CHECK_GCC_PRINTF_LLD_OFF_T
])
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