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authorDenys Vlasenko <vda.linux@googlemail.com>2015-10-20 16:40:43 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2015-10-20 16:40:43 +0200
commit58d0e20ad00cc8a24f3485a363a5a51ab2387bdc (patch)
treed698f8fc5f888b3cb9d47b80503406351c20dee2 /scripts
parent5134010d88b4aab286b4480822a8d8db8c32d903 (diff)
downloadbusybox-58d0e20ad00cc8a24f3485a363a5a51ab2387bdc.tar.gz
scripts/trylink: remove $CPPFLAGS
We don't use it in final link, should not use it in check_FOO then. This uncovered a logic bug in glibc check... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/trylink6
1 files changed, 3 insertions, 3 deletions
diff --git a/scripts/trylink b/scripts/trylink
index 26099976a..9132b3f76 100755
--- a/scripts/trylink
+++ b/scripts/trylink
@@ -51,10 +51,10 @@ check_cc() {
echo "int main(int argc,char**argv){return argv?argc:0;}" >"$tempname".c
# Can use "-o /dev/null", but older gcc tend to *unlink it* on failure! :(
# Was using "-xc /dev/null", but we need a valid C program.
- # "eval" is needed because CFLAGS can contain
+ # "eval" may be needed is CFLAGS can contain
# '... -D"BB_VER=KBUILD_STR(1.N.M)" ...'
# and we need shell to process quotes!
- eval $CC $CPPFLAGS $CFLAGS $1 "$tempname".c -o "$tempname" >/dev/null 2>&1
+ $CC $CFLAGS $1 "$tempname".c -o "$tempname" >/dev/null 2>&1
r=$?
rm -f "$tempname" "$tempname".c "$tempname".o
return $r
@@ -70,7 +70,7 @@ check_libc_is_glibc() {
syntax error here
#endif
" >"$tempname".c
- $CC $CPPFLAGS $CFLAGS "$tempname".c -c -o "$tempname".o >/dev/null 2>&1
+ ! $CC $CFLAGS "$tempname".c -c -o "$tempname".o >/dev/null 2>&1
r=$?
rm -f "$tempname" "$tempname".c "$tempname".o
return $r