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-rw-r--r--configure.in2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index 9b3ae0328e..5daeffdbc8 100644
--- a/configure.in
+++ b/configure.in
@@ -594,7 +594,7 @@ _PROBES
@%:@include "conftest_provider.h"
int main(void){ CONFTEST_FIRE(); return 0; }
_CONF
- $CC $CFLAGS -c -o conftest.o conftest.c &&
+ $CC $CFLAGS $CPPFLAGS -c -o conftest.o conftest.c &&
$DTRACE -G -s conftest_provider.d conftest.o 2>/dev/null
}; then
rb_cv_prog_dtrace_g=yes