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-rw-r--r--m4/alsa.m43
1 files changed, 3 insertions, 0 deletions
diff --git a/m4/alsa.m4 b/m4/alsa.m4
index 5a6c542d2..a92e531a5 100644
--- a/m4/alsa.m4
+++ b/m4/alsa.m4
@@ -65,6 +65,8 @@ if test x"$enable_alsa" != "xno"; then
fi
ALSA_CFLAGS="$ALSA_CFLAGS"
+ ac_save_CPPFLAGS="$CPPLAGS"
+ CPPFLAGS="$CPPFLAGS $ALSA_CFLAGS"
AC_CHECK_HEADER(alsa/asoundlib.h,
[
asoundlib_h="alsa/asoundlib.h"
@@ -246,6 +248,7 @@ dnl
ifelse([$3], , :, [$3])
fi
+ CPPFLAGS="$ac_save_CPPFLAGS"
fi
AC_SUBST(ALSA_CFLAGS)