Math.hxx: fix wrong macro name

_GLIBCXX_USE_C99_MATH_TR1 is the correct one. _GLIBCXX_USE_C99_MATH is always defined.

Math.hxx: fix wrong macro name
47a7707d · Rosen Penev · Max Kellermann · 6fdae113 · 47a7707d
Commit 47a7707d authored Apr 27, 2020 by Rosen Penev Committed by Max Kellermann Apr 29, 2020
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Math.hxx src/util/Math.hxx +1 -1

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--- a/src/util/Math.hxx
+++ b/src/util/Math.hxx
@@ -36,7 +36,7 @@
 * C99 math can be optionally omitted with gcc's libstdc++.
 * Use boost if unavailable.
 */
-#if (defined(__GLIBCPP__) || defined(__GLIBCXX__)) && !defined(_GLIBCXX_USE_C99_MATH)
+#if (defined(__GLIBCPP__) || defined(__GLIBCXX__)) && !defined(_GLIBCXX_USE_C99_MATH_TR1)
 #include <boost/math/special_functions/round.hpp>
 using boost::math::lround;
 #else