don't use certain STL functions


some functions defined in <cmath>, as well as std::to_string aren't available on GNU's STL for some platforms, e.g. Android

2 files changed, 3 insertions, 1 deletions

diff --git a/src/mbgl/platform/gl.cpp b/src/mbgl/platform/gl.cpp
index 76be580b91..d387f3fbf8 100644
--- a/src/mbgl/platform/gl.cpp
+++ b/src/mbgl/platform/gl.cpp
@@ -1,4 +1,5 @@
 #include <mbgl/platform/gl.hpp>
+#include <mbgl/util/string.hpp>
 
 #include <mutex>
 
@@ -51,7 +52,7 @@ void checkError(const char *cmd, const char *file, int line) {
             default: error = "(unknown)"; break;
         }
 
-        throw ::mbgl::gl::Error(err, std::string(cmd) + ": Error GL_" + error + " - " + file + ":" + std::to_string(line));
+        throw ::mbgl::gl::Error(err, std::string(cmd) + ": Error GL_" + error + " - " + file + ":" + util::toString(line));
     }
 }
 
diff --git a/src/mbgl/platform/log.cpp b/src/mbgl/platform/log.cpp
index eec33444b9..6daed40888 100644
--- a/src/mbgl/platform/log.cpp
+++ b/src/mbgl/platform/log.cpp
@@ -2,6 +2,7 @@
 
 #include <mbgl/util/thread_context.hpp>
 
+#include <cstdio>
 #include <cstdarg>
 #include <sstream>