diff options
Diffstat (limited to 'scripts/genconfig.sh')
| -rwxr-xr-x | scripts/genconfig.sh | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/scripts/genconfig.sh b/scripts/genconfig.sh index b8dc3c79..313c7c70 100755 --- a/scripts/genconfig.sh +++ b/scripts/genconfig.sh @@ -7,12 +7,16 @@ mkdir -p generated source configure +probecc() +{ + ${CROSS_COMPILE}${CC} $CFLAGS -xc -o /dev/null $1 - +} + # Probe for a single config symbol with a "compiles or not" test. # Symbol name is first argument, flags second, feed C file to stdin probesymbol() { - ${CROSS_COMPILE}${CC} $CFLAGS -xc -o /dev/null $2 - 2>/dev/null - [ $? -eq 0 ] && DEFAULT=y || DEFAULT=n + probecc $2 2>/dev/null && DEFAULT=y || DEFAULT=n rm a.out 2>/dev/null echo -e "config $1\n\tbool" || exit 1 echo -e "\tdefault $DEFAULT\n" || exit 1 @@ -20,6 +24,13 @@ probesymbol() probeconfig() { + > generated/cflags + # llvm produces its own really stupid warnings about things that aren't wrong, + # and although you can turn the warning off, gcc reacts badly to command line + # arguments it doesn't understand. So probe. + [ -z "$(probecc -Wno-string-plus-int <<< \#warn warn 2>&1 | grep string-plus-int)" ] && + echo -Wno-string-plus-int >> generated/cflags + # Probe for container support on target probesymbol TOYBOX_CONTAINER << EOF #include <linux/sched.h> |