1 | # Some GCC sanity checks to check for known bugs in the rtems gcc toolchains |
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2 | |
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3 | # Internal macro |
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4 | # _RTEMS_GCC_WARNING(msg,cache-variable,include,main) |
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5 | AC_DEFUN([_RTEMS_GCC_WARNING],[ |
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6 | AC_CACHE_CHECK([$1], |
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7 | [$2],[ |
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8 | AS_IF([test x"$GCC" = xyes],[ |
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9 | save_CFLAGS=$CFLAGS |
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10 | CFLAGS="-Wall -Werror"]) |
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11 | |
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12 | AC_COMPILE_IFELSE([ |
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13 | AC_LANG_PROGRAM([$3],[$4])], |
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14 | [$2=yes], |
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15 | [$2=no]) |
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16 | |
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17 | AS_IF([test x"$GCC" = xyes],[ |
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18 | CFLAGS=$save_CFLAGS]) |
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19 | ]) |
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20 | ]) |
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21 | |
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22 | AC_DEFUN([RTEMS_CHECK_GCC_PRIxPTR],[ |
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23 | _RTEMS_GCC_WARNING( |
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24 | [if printf("%" PRIxPTR, uintptr_t) works], |
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25 | [rtems_cv_PRIxPTR],[ |
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26 | #include <inttypes.h> |
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27 | #include <stdio.h> |
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28 | ],[ |
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29 | uintptr_t ptr = 42; |
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30 | printf("%" PRIxPTR "\n", ptr); |
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31 | ]) |
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32 | ]) |
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33 | |
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34 | AC_DEFUN([RTEMS_CHECK_GCC_PRIuPTR],[ |
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35 | _RTEMS_GCC_WARNING( |
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36 | [if printf("%" PRIuPTR, uintptr_t) works], |
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37 | [rtems_cv_PRIuPTR],[ |
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38 | #include <inttypes.h> |
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39 | #include <stdio.h> |
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40 | ],[ |
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41 | uintptr_t ptr = 42; |
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42 | printf("%" PRIuPTR "\n", ptr); |
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43 | ]) |
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44 | ]) |
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45 | |
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46 | AC_DEFUN([RTEMS_CHECK_GCC_PRIdPTR],[ |
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47 | _RTEMS_GCC_WARNING( |
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48 | [if printf("%" PRIdPTR, intptr_t) works], |
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49 | [rtems_cv_PRIdPTR],[ |
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50 | #include <inttypes.h> |
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51 | #include <stdio.h> |
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52 | ],[ |
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53 | intptr_t ptr = -1; |
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54 | printf("%" PRIdPTR "\n", ptr); |
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55 | ]) |
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56 | ]) |
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57 | |
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58 | AC_DEFUN([RTEMS_CHECK_GCC_PRINTF_ZU_SIZE_T],[ |
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59 | _RTEMS_GCC_WARNING( |
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60 | [if printf("%zu", size_t) works], |
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61 | [rtems_cv_PRINTF_ZU_SIZE_T],[ |
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62 | #include <sys/types.h> |
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63 | #include <stdio.h> |
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64 | ],[ |
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65 | size_t sz = 1; |
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66 | printf("%zu\n", sz); |
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67 | ]) |
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68 | ]) |
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69 | |
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70 | AC_DEFUN([RTEMS_CHECK_GCC_PRINTF_ZD_SSIZE_T],[ |
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71 | _RTEMS_GCC_WARNING( |
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72 | [if printf("%zd", ssize_t) works], |
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73 | [rtems_cv_PRINTF_ZD_SSIZE_T],[ |
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74 | #include <sys/types.h> |
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75 | #include <stdio.h> |
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76 | ],[ |
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77 | ssize_t sz = 1; |
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78 | printf("%zd\n", sz); |
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79 | ]) |
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80 | ]) |
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81 | |
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82 | AC_DEFUN([RTEMS_CHECK_GCC_PRINTF_LD_OFF_T],[ |
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83 | _RTEMS_GCC_WARNING( |
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84 | [if printf("%ld", off_t) works], |
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85 | [rtems_cv_PRINTF_LD_OFF_T],[ |
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86 | #include <sys/types.h> |
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87 | #include <stdio.h> |
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88 | ],[ |
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89 | off_t off = 1; |
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90 | printf("%ld\n", off); |
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91 | ]) |
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92 | ]) |
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93 | |
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94 | AC_DEFUN([RTEMS_CHECK_GCC_PRINTF_LLD_OFF_T],[ |
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95 | _RTEMS_GCC_WARNING( |
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96 | [if printf("%lld", off_t) works], |
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97 | [rtems_cv_PRINTF_LLD_OFF_T],[ |
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98 | #include <sys/types.h> |
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99 | #include <stdio.h> |
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100 | ],[ |
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101 | off_t off = 1; |
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102 | printf("%lld\n", off); |
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103 | ]) |
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104 | ]) |
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105 | |
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106 | AC_DEFUN([RTEMS_CHECK_GCC_SANITY],[ |
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107 | RTEMS_CHECK_GCC_PRIxPTR |
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108 | RTEMS_CHECK_GCC_PRIuPTR |
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109 | RTEMS_CHECK_GCC_PRIdPTR |
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110 | RTEMS_CHECK_GCC_PRINTF_ZU_SIZE_T |
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111 | RTEMS_CHECK_GCC_PRINTF_ZD_SSIZE_T |
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112 | RTEMS_CHECK_GCC_PRINTF_LD_OFF_T |
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113 | RTEMS_CHECK_GCC_PRINTF_LLD_OFF_T |
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114 | ]) |
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