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Bugzilla Bug 92134 Sun Workshop 6 Update 2 _FCS_ fails to build due "jscpucfg" error

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by : Roland.Mainz@informatik.med.uni-giessen.de r=cls a=dbaron
This commit is contained in:
timeless%mac.com 2001-07-30 06:44:43 +00:00
parent 961c90812c
commit e962707671
1 changed files with 20 additions and 7 deletions
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25
js/src/jscpucfg.c
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@ -19,6 +19,7 @@
* Rights Reserved. * Rights Reserved.
* *
* Contributor(s): * Contributor(s):
* Roland Mainz <roland.mainz@informatik.med.uni-giessen.de>
* *
* Alternatively, the contents of this file may be used under the * Alternatively, the contents of this file may be used under the
* terms of the GNU Public License (the "GPL"), in which case the * terms of the GNU Public License (the "GPL"), in which case the
@ -36,6 +37,7 @@
* Generate CPU-specific bit-size and similar #defines. * Generate CPU-specific bit-size and similar #defines.
*/ */
#include <stdio.h> #include <stdio.h>
#include <stdlib.h>
#ifdef CROSS_COMPILE #ifdef CROSS_COMPILE
#include <prtypes.h> #include <prtypes.h>
@ -207,7 +209,13 @@ int main(int argc, char **argv)
int big_endian = 0, little_endian = 0, ntests = 0; int big_endian = 0, little_endian = 0, ntests = 0;
if (sizeof(short) == 2) { if (sizeof(short) == 2) {
union { /* force |volatile| here to get rid of any compiler optimisations
* (var in register etc.) which may be appiled to |auto| vars -
* even those in |union|s...
* (|static| is used to get the same functionality for compilers
* which do not honor |volatile|...).
*/
volatile static union {
short i; short i;
char c[2]; char c[2];
} u; } u;
@ -219,7 +227,8 @@ int main(int argc, char **argv)
} }
if (sizeof(int) == 4) { if (sizeof(int) == 4) {
union { /* force |volatile| here ... */
volatile static union {
int i; int i;
char c[4]; char c[4];
} u; } u;
@ -233,7 +242,8 @@ int main(int argc, char **argv)
} }
if (sizeof(long) == 8) { if (sizeof(long) == 8) {
union { /* force |volatile| here ... */
volatile static union {
long i; long i;
char c[8]; char c[8];
} u; } u;
@ -263,8 +273,10 @@ int main(int argc, char **argv)
printf("#define IS_LITTLE_ENDIAN 1\n"); printf("#define IS_LITTLE_ENDIAN 1\n");
printf("#undef IS_BIG_ENDIAN\n\n"); printf("#undef IS_BIG_ENDIAN\n\n");
} else { } else {
fprintf(stderr, "%s: unknown byte order!\n", argv[0]); fprintf(stderr, "%s: unknown byte order"
return 1; "(big_endian=%d, little_endian=%d, ntests=%d)!\n",
argv[0], big_endian, little_endian, ntests);
return EXIT_FAILURE;
} }
} }
@ -344,5 +356,6 @@ int main(int argc, char **argv)
printf("#endif /* js_cpucfg___ */\n"); printf("#endif /* js_cpucfg___ */\n");
return 0; return EXIT_SUCCESS;
} }