[test-runner] make render-test a shared lib (#15816)

* [test-runner] make render-test a shared lib

[test-runner] nit

[test-runner] nit again

* [test-runner] Remove redundant linked file in cmake

2 files changed, 16 insertions, 2 deletions

diff --git a/render-test/include/mbgl/render_test.hpp b/render-test/include/mbgl/render_test.hpp
new file mode 100644
index 0000000000..42a539603d
--- /dev/null
+++ b/render-test/include/mbgl/render_test.hpp
@@ -0,0 +1,9 @@
+#pragma once
+
+#include <mbgl/util/util.hpp>
+
+namespace mbgl {
+
+MBGL_EXPORT int runRenderTests(int argc, char* argv[]);
+
+} // namespace mbgl
diff --git a/render-test/main.cpp b/render-test/render_test.cpp
index 6f5e2449a9..bac193237d 100644
--- a/render-test/main.cpp
+++ b/render-test/render_test.cpp
@@ -1,7 +1,8 @@
 #include "allocation_index.hpp"
 
-#include <mbgl/util/run_loop.hpp>
+#include <mbgl/render_test.hpp>
 #include <mbgl/util/io.hpp>
+#include <mbgl/util/run_loop.hpp>
 
 #include "metadata.hpp"
 #include "parser.hpp"
@@ -36,7 +37,9 @@ void operator delete(void* ptr, size_t) noexcept {
 }
 #endif
 
-int main(int argc, char** argv) {
+namespace mbgl {
+
+int runRenderTests(int argc, char** argv) {
     bool recycleMap;
     bool shuffle;
     uint32_t seed;
@@ -160,3 +163,5 @@ int main(int argc, char** argv) {
 
     return stats.failedTests + stats.erroredTests == 0 ? 0 : 1;
 }
+
+} // namespace mbgl
\ No newline at end of file