1  /* Verify that predefined macros for properties of the compiler and
       2     library together are the same before and after system headers are
       3     included.  This is broken with older glibc versions.  */
       4  /* { dg-do compile } */
       5  /* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
       6  
       7  #ifdef __STDC_IEC_559__
       8  #define IEC_559_DEFINED_BEFORE 1
       9  #else
      10  #define IEC_559_DEFINED_BEFORE 0
      11  #endif
      12  
      13  #ifdef __STDC_IEC_559_COMPLEX__
      14  #define IEC_559_COMPLEX_DEFINED_BEFORE 1
      15  #else
      16  #define IEC_559_COMPLEX_DEFINED_BEFORE 0
      17  #endif
      18  
      19  #ifdef __STDC_ISO_10646__
      20  #define ISO_10646_DEFINED_BEFORE 1
      21  #else
      22  #define ISO_10646_DEFINED_BEFORE 0
      23  #endif
      24  
      25  #include <stdio.h>
      26  
      27  #ifdef __STDC_IEC_559__
      28  #define IEC_559_DEFINED_AFTER 1
      29  #else
      30  #define IEC_559_DEFINED_AFTER 0
      31  #endif
      32  
      33  #ifdef __STDC_IEC_559_COMPLEX__
      34  #define IEC_559_COMPLEX_DEFINED_AFTER 1
      35  #else
      36  #define IEC_559_COMPLEX_DEFINED_AFTER 0
      37  #endif
      38  
      39  #ifdef __STDC_ISO_10646__
      40  #define ISO_10646_DEFINED_AFTER 1
      41  #else
      42  #define ISO_10646_DEFINED_AFTER 0
      43  #endif
      44  
      45  #if defined(__GLIBC__) && (__GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 16))
      46  #define BROKEN
      47  #endif
      48  
      49  #ifndef BROKEN
      50  
      51  #if IEC_559_DEFINED_BEFORE != IEC_559_DEFINED_AFTER
      52  #error "__STDC_IEC_559__ definition inconsistency"
      53  #endif
      54  
      55  #if IEC_559_COMPLEX_DEFINED_BEFORE != IEC_559_COMPLEX_DEFINED_AFTER
      56  #error "__STDC_IEC_559_COMPLEX__ definition inconsistency"
      57  #endif
      58  
      59  #if ISO_10646_DEFINED_BEFORE != ISO_10646_DEFINED_AFTER
      60  #error "__STDC_ISO_10646__ definition inconsistency"
      61  #endif
      62  
      63  #endif