diff --git a/client/tests/CMakeLists.txt b/client/tests/CMakeLists.txt
index 01d873b7..dc012f16 100644
--- a/client/tests/CMakeLists.txt
+++ b/client/tests/CMakeLists.txt
@@ -950,7 +950,10 @@ add_executable(frame-timing-tests
 target_compile_definitions(frame-timing-tests PRIVATE
   CIMGUI_DEFINE_ENUMS_AND_STRUCTS=1
 )
-target_compile_options(frame-timing-tests PRIVATE -O1)
+target_compile_options(frame-timing-tests PRIVATE
+  -O1
+  "$<$<C_COMPILER_ID:GNU>:-fwhole-program>"
+)
 target_include_directories(frame-timing-tests PRIVATE
   "${CMAKE_CURRENT_SOURCE_DIR}/../src"
   "${PROJECT_TOP}/repos/gui/cimgui"
diff --git a/client/tests/audio_test.c b/client/tests/audio_test.c
index 08d93af8..09380403 100644
--- a/client/tests/audio_test.c
+++ b/client/tests/audio_test.c
@@ -421,7 +421,7 @@ static void setStatus(struct Provider * p, bool available,
   p->status(p->statusOpaque, &status);
 }
 
-static bool near(float a, float expected)
+static bool isNear(float a, float expected)
 {
   return fabsf(a - expected) < 0.000001f;
 }
@@ -476,9 +476,9 @@ static void testConvert(void)
   float out[4];
   const uint8_t u8[] = { 0, 128, 255 };
   CHECK(audioConvertToFloat(out, u8, ARRAY_LENGTH(u8), LG_AUDIO_FMT_U8));
-  CHECK(near(out[0], -1.0f));
-  CHECK(near(out[1], 0.0f));
-  CHECK(near(out[2], 127.0f / 128.0f));
+  CHECK(isNear(out[0], -1.0f));
+  CHECK(isNear(out[1], 0.0f));
+  CHECK(isNear(out[2], 127.0f / 128.0f));
 
   const uint8_t s16[] =
   {
@@ -488,10 +488,10 @@ static void testConvert(void)
     0xff, 0x7f,
   };
   CHECK(audioConvertToFloat(out, s16, 4, LG_AUDIO_FMT_S16_LE));
-  CHECK(near(out[0], -1.0f));
-  CHECK(near(out[1], -1.0f / 32768.0f));
-  CHECK(near(out[2], 0.0f));
-  CHECK(near(out[3], 32767.0f / 32768.0f));
+  CHECK(isNear(out[0], -1.0f));
+  CHECK(isNear(out[1], -1.0f / 32768.0f));
+  CHECK(isNear(out[2], 0.0f));
+  CHECK(isNear(out[3], 32767.0f / 32768.0f));
 
   const uint8_t s24[] =
   {
@@ -499,8 +499,8 @@ static void testConvert(void)
     0xff, 0xff, 0x7f,
   };
   CHECK(audioConvertToFloat(out, s24, 2, LG_AUDIO_FMT_S24_LE));
-  CHECK(near(out[0], -1.0f));
-  CHECK(near(out[1], 8388607.0f / 8388608.0f));
+  CHECK(isNear(out[0], -1.0f));
+  CHECK(isNear(out[1], 8388607.0f / 8388608.0f));
 
   const uint8_t s32[] =
   {
@@ -508,8 +508,8 @@ static void testConvert(void)
     0xff, 0xff, 0xff, 0x7f,
   };
   CHECK(audioConvertToFloat(out, s32, 2, LG_AUDIO_FMT_S32_LE));
-  CHECK(near(out[0], -1.0f));
-  CHECK(near(out[1], 1.0f));
+  CHECK(isNear(out[0], -1.0f));
+  CHECK(isNear(out[1], 1.0f));
 
   const uint8_t f32le[] =
   {
@@ -517,12 +517,12 @@ static void testConvert(void)
     0x00, 0x00, 0x40, 0x3f,
   };
   CHECK(audioConvertToFloat(out, f32le, 2, LG_AUDIO_FMT_F32_LE));
-  CHECK(near(out[0], -0.25f));
-  CHECK(near(out[1], 0.75f));
+  CHECK(isNear(out[0], -0.25f));
+  CHECK(isNear(out[1], 0.75f));
   const float f32ne[] = { -0.25f, 0.75f };
   CHECK(audioConvertToFloat(out, f32ne, 2, LG_AUDIO_FMT_F32_NE));
-  CHECK(near(out[0], -0.25f));
-  CHECK(near(out[1], 0.75f));
+  CHECK(isNear(out[0], -0.25f));
+  CHECK(isNear(out[1], 0.75f));
 
   const uint8_t f64le[] =
   {
@@ -530,8 +530,8 @@ static void testConvert(void)
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x3f,
   };
   CHECK(audioConvertToFloat(out, f64le, 2, LG_AUDIO_FMT_F64_LE));
-  CHECK(near(out[0], -0.5f));
-  CHECK(near(out[1], 0.125f));
+  CHECK(isNear(out[0], -0.5f));
+  CHECK(isNear(out[1], 0.125f));
   CHECK(!audioConvertToFloat(NULL, f32ne, 2, LG_AUDIO_FMT_F32_NE));
   CHECK(!audioConvertToFloat(out, NULL, 2, LG_AUDIO_FMT_F32_NE));
   CHECK(!audioConvertToFloat(out, f32ne, 2, (LG_AudioSampleFormat)-1));
diff --git a/client/tests/common_platform_test.c b/client/tests/common_platform_test.c
index 0a885157..bf6389f6 100644
--- a/client/tests/common_platform_test.c
+++ b/client/tests/common_platform_test.c
@@ -20,6 +20,7 @@
 
 #include "test.h"
 
+#include "common/debug.h"
 #include "common/event.h"
 #include "common/filesystem.h"
 #include "common/random.h"
@@ -203,6 +204,7 @@ static void testFilesystem(void)
 
 int main(void)
 {
+  debug_init();
   lgTimeInit();
   testEventWaits();
   testManualReset();
diff --git a/client/tests/config_message_test.c b/client/tests/config_message_test.c
index a2521a7e..9772d82b 100644
--- a/client/tests/config_message_test.c
+++ b/client/tests/config_message_test.c
@@ -356,10 +356,10 @@ static void testCfgValues(void)
   CHECK(!resampler->parser(resampler, "linear"));
 
   struct Option * renderer = opt("app", "renderer");
-  CHECK(renderer->parser(renderer, "OpenGL"));
+  CHECK(renderer->parser(renderer, "EGL"));
   CHECK(g_params.forceRenderer);
-  CHECK(g_params.forceRendererIndex == 1);
-  checkStr(renderer->toString(renderer), "OpenGL");
+  CHECK(g_params.forceRendererIndex == 0);
+  checkStr(renderer->toString(renderer), "EGL");
   CHECK(renderer->parser(renderer, "auto"));
   CHECK(!g_params.forceRenderer);
   checkStr(renderer->toString(renderer), "auto");
@@ -406,7 +406,7 @@ static void testCfgSize(void)
 
 static void loadCfg(const char * text)
 {
-  char path[] = "/tmp/lg-config-test-XXXXXX";
+  char path[] = "lg-config-test-XXXXXX";
   const int fd = mkstemp(path);
   CHECK(fd >= 0);
   const size_t size = strlen(text);