diff --git a/depends/hosts/darwin.mk b/depends/hosts/darwin.mk
index 29ad7ef2523..8beedcc98ab 100644
--- a/depends/hosts/darwin.mk
+++ b/depends/hosts/darwin.mk
@@ -105,7 +105,7 @@ endif
 darwin_release_CFLAGS=-O2
 darwin_release_CXXFLAGS=$(darwin_release_CFLAGS)
 
-darwin_debug_CFLAGS=-O1
+darwin_debug_CFLAGS=-O1 -g
 darwin_debug_CXXFLAGS=$(darwin_debug_CFLAGS)
 
 darwin_cmake_system=Darwin
diff --git a/depends/hosts/linux.mk b/depends/hosts/linux.mk
index 8be23be57db..9cd28f0deb3 100644
--- a/depends/hosts/linux.mk
+++ b/depends/hosts/linux.mk
@@ -10,7 +10,7 @@ endif
 linux_release_CFLAGS=-O2
 linux_release_CXXFLAGS=$(linux_release_CFLAGS)
 
-linux_debug_CFLAGS=-O1
+linux_debug_CFLAGS=-O1 -g
 linux_debug_CXXFLAGS=$(linux_debug_CFLAGS)
 
 linux_debug_CPPFLAGS=-D_GLIBCXX_DEBUG -D_GLIBCXX_DEBUG_PEDANTIC -D_LIBCPP_ENABLE_DEBUG_MODE=1
diff --git a/depends/hosts/mingw32.mk b/depends/hosts/mingw32.mk
index 15aa7cd25ad..4c657358f6a 100644
--- a/depends/hosts/mingw32.mk
+++ b/depends/hosts/mingw32.mk
@@ -14,7 +14,7 @@ endif
 mingw32_release_CFLAGS=-O2
 mingw32_release_CXXFLAGS=$(mingw32_release_CFLAGS)
 
-mingw32_debug_CFLAGS=-O1
+mingw32_debug_CFLAGS=-O1 -g
 mingw32_debug_CXXFLAGS=$(mingw32_debug_CFLAGS)
 
 mingw32_debug_CPPFLAGS=-D_GLIBCXX_DEBUG -D_GLIBCXX_DEBUG_PEDANTIC