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-rw-r--r--sal/rtl/math.cxx11
1 files changed, 2 insertions, 9 deletions
diff --git a/sal/rtl/math.cxx b/sal/rtl/math.cxx
index 099cd3d60578..981009aa036c 100644
--- a/sal/rtl/math.cxx
+++ b/sal/rtl/math.cxx
@@ -19,7 +19,6 @@
#include <rtl/math.h>
-#include <config_global.h>
#include <o3tl/safeint.hxx>
#include <osl/diagnose.h>
#include <rtl/alloc.h>
@@ -43,10 +42,6 @@
#include <dtoa.h>
-#if !HAVE_GCC_BUILTIN_FFS && !defined _WIN32
- #include <strings.h>
-#endif
-
static int const n10Count = 16;
static double const n10s[2][n10Count] = {
{ 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8,
@@ -183,14 +178,12 @@ bool isRepresentableInteger(double fAbsValue)
// Returns 1-based index of least significant bit in a number, or zero if number is zero
int findFirstSetBit(unsigned n)
{
-#if HAVE_GCC_BUILTIN_FFS
- return __builtin_ffs(n);
-#elif defined _WIN32
+#if defined _WIN32
unsigned long pos;
unsigned char bNonZero = _BitScanForward(&pos, n);
return (bNonZero == 0) ? 0 : pos + 1;
#else
- return ffs(n);
+ return __builtin_ffs(n);
#endif
}