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|
#!/bin/sh
#
# Written by Anthony Lee 2007.03
#
printf "Checking whether the compiler supports x86 asm ... "
case $CC in
*gcc*)
;;
*)
# other compiler, should be checked manually.
printf "IGNORE\n"
exit 0
;;
esac
SRC="
int main(int argc, char **argv)
{
int i = 1;
__asm__ (\" \
pushl %%eax\n \
movl %0, %%eax\n \
subl \$1, %%eax\n \
movl %%eax, %0\n \
popl %%eax\" \
: \
: \"g\" (i)
);
return i;
}"
PROG="check-x86-asm"
OBJECT="${BINARY_DIR}${PROG}.o"
TARGET="${BINARY_DIR}${PROG}${SUFFIX}"
ERR_MESSAGE="*** It seems that the compiler don't support inline x86 AT&T ASM codes.
*** Run \"make NO_DBCT=1\" instead to ignore it."
if ! ( echo "$SRC" | $CC $EXTRA_CFLAGS -o "$OBJECT" -c -x c - > /dev/null 2>&1 ); then
printf "FAILED\n\n"
printf "$ERR_MESSAGE\n\n"
exit 1
fi
if ! ( $CC -o "$TARGET" "$OBJECT" $EXTRA_LIBS > /dev/null 2>&1 ); then
printf "FAILED\n\n"
printf "$ERR_MESSAGE\n\n"
rm -f "$OBJECT"
exit 1
fi
rm -f "$OBJECT"
rm -f "$TARGET"
printf "OK\n"
exit 0
|
