--- aacplusenc/configure.orig
+++ aacplusenc/configure
@@ -8,7 +8,7 @@
 
 echo -n 'Checking for libfftw3f...'
 
-gcc -o test-fft -Wall -x c -lfftw3f -I/usr/local/include -L/usr/local/lib - <<'EOF'
+${CC} ${LDFLAGS} ${CFLAGS} -o test-fft -Wall -x c -lfftw3f -I/usr/local/include -L/usr/local/lib - <<'EOF'
 #include <fftw3.h>
 
 #define N 128
@@ -38,7 +38,7 @@
 
 echo -n 'Detecting endianness...'
 
-gcc -o test-endian -Wall -x c - <<'EOF'
+${CC} ${LDFLAGS} ${CFLAGS} -o test-endian -Wall -x c - <<'EOF'
 #include <stdint.h>
 #include <stdio.h>