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-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index b0e5ce6..adf981b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -114,7 +114,7 @@ AX_PTHREAD([], AC_MSG_ERROR([requires pthread]))
PKG_CHECK_MODULES([SOAPYSDR], [SoapySDR], enable_soapysdr=yes, enable_soapysdr=no)
-AC_SUBST([CFLAGS], ["$EXTRA $FFTW_CFLAGS $SOAPYSDR_CFLAGS $PTHREAD_CFLAGS"])
+AC_SUBST([CFLAGS], ["$CFLAGS $EXTRA $FFTW_CFLAGS $SOAPYSDR_CFLAGS $PTHREAD_CFLAGS"])
AC_SUBST([CXXFLAGS], ["$CXXFLAGS $EXTRA $FFTW_CFLAGS $SOAPYSDR_CFLAGS $PTHREAD_CFLAGS"])
AC_SUBST([LIBS], ["$FFTW_LIBS $SOAPYSDR_LIBS $PTHREAD_LIBS $ZMQ_LIBS"])