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-rw-r--r--package/alsa-utils/Config.in8
-rw-r--r--package/alsa-utils/alsa-utils.mk3
2 files changed, 9 insertions, 2 deletions
diff --git a/package/alsa-utils/Config.in b/package/alsa-utils/Config.in
index 1a48fc0315..edf5d39f26 100644
--- a/package/alsa-utils/Config.in
+++ b/package/alsa-utils/Config.in
@@ -76,7 +76,13 @@ config BR2_PACKAGE_ALSA_UTILS_ASEQNET
config BR2_PACKAGE_ALSA_UTILS_BAT
bool "bat"
- select BR2_PACKAGE_FFTW
+ help
+ ALSABAT (ALSA Basic Audio Tester) is a simple command-line
+ utility intended to help automate audio driver and sound
+ server testing with little human interaction.
+
+ Note that analysis support in alsabat requires fftw single
+ precision.
config BR2_PACKAGE_ALSA_UTILS_IECSET
bool "iecset"
diff --git a/package/alsa-utils/alsa-utils.mk b/package/alsa-utils/alsa-utils.mk
index 9b2e64b1d3..e9a45c675f 100644
--- a/package/alsa-utils/alsa-utils.mk
+++ b/package/alsa-utils/alsa-utils.mk
@@ -40,7 +40,8 @@ endif
ifeq ($(BR2_PACKAGE_ALSA_UTILS_BAT),y)
ALSA_UTILS_CONF_OPTS += --enable-bat
-ALSA_UTILS_DEPENDENCIES += fftw
+# Analysis support requires fftw single precision
+ALSA_UTILS_DEPENDENCIES += $(if $(BR2_PACKAGE_FFTW_PRECISION_SINGLE),fftw)
else
ALSA_UTILS_CONF_OPTS += --disable-bat
endif
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