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-rwxr-xr-xconfigure3
1 files changed, 2 insertions, 1 deletions
diff --git a/configure b/configure
index 799827340f..ad9e8c13f0 100755
--- a/configure
+++ b/configure
@@ -911,6 +911,7 @@ HAVE_LIST="
libdc1394_1
libdc1394_2
llrint
+ log2
loongson
lrint
lrintf
@@ -2078,7 +2079,7 @@ check_lib math.h sin -lm
check_lib va/va.h vaInitialize -lva
# test for C99 functions in math.h
-for func in llrint lrint lrintf round roundf truncf; do
+for func in llrint log2 lrint lrintf round roundf truncf; do
check_exec <<EOF && enable $func || disable $func
#include <math.h>
int main(void) { return ($func(3.999f) > 0)?0:1; }