diff options
| -rwxr-xr-x | configure | 19 |
1 files changed, 15 insertions, 4 deletions
@@ -307,13 +307,24 @@ case $endianess in esac rm -f tmp_endianess_check tmp_endianess_check.cpp -echo -n "Alignment required... " +# +# Check whether memory alignment is required +# +echo -n "Alignment required (don't worry if this shows a 'Bus error')... " cat > $TMPC << EOF -#include <malloc.h> -int main (void) { (void) memalign(64, sizeof(char)); return 0; } +int main(int argc, char **argv) +{ + int i; + unsigned char buf[20]; + for (i = 0; i < 16; i++) + *(int *)(&buf[i]) = 0; + return 0; +} EOF _need_memalign=yes -cc_check && _need_memalign=no +# TODO: Hide the "Bus error" message, if possible... +trap true BUS +cc_check && ./$TMPO && _need_memalign=no if test "$_need_memalign" = yes ; then _def_align='#define SCUMM_NEED_ALIGNMENT' else |