diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9c06531e2..99f50fd89 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -66,6 +66,10 @@ if(NOT DEFINED BUILD_SHARED_LIBS)
 	set(BUILD_SHARED_LIBS ON)
 endif()
 
+if(NOT DEFINED EXPORT_ALL_SYMBOLS)
+	set(EXPORT_ALL_SYMBOLS TRUE)
+endif()
+
 # Configure MSVC Runtime
 if(MSVC)
 	include(MSVCRuntime)
@@ -95,6 +99,10 @@ if(CMAKE_COMPILER_IS_GNUCC)
 	if(Wno-deprecated-declarations)
 		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations")
 	endif()
+	if(NOT EXPORT_ALL_SYMBOLS)
+		message(STATUS "GCC default symbol visibility: hidden")
+		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fvisibility=hidden")
+	endif()
 	if(BUILD_TESTING)
 		CHECK_C_COMPILER_FLAG(-Wno-format Wno-format)
 		if(Wno-format)
diff --git a/include/freerdp/codec/jpeg.h b/include/freerdp/codec/jpeg.h
index fdbe549ad..637cdc62d 100644
--- a/include/freerdp/codec/jpeg.h
+++ b/include/freerdp/codec/jpeg.h
@@ -17,12 +17,12 @@
  * limitations under the License.
  */
 
-#ifndef __JPEG_H
-#define __JPEG_H
+#ifndef FREERDP_CODEC_JPEG_H
+#define FREERDP_CODEC_JPEG_H
 
+#include <freerdp/api.h>
 #include <freerdp/types.h>
 
-BOOL
-jpeg_decompress(BYTE* input, BYTE* output, int width, int height, int size, int bpp);
+FREERDP_API BOOL jpeg_decompress(BYTE* input, BYTE* output, int width, int height, int size, int bpp);
 
-#endif /* __BITMAP_H */
+#endif /* FREERDP_CODEC_JPEG_H */
diff --git a/libfreerdp/codec/jpeg.c b/libfreerdp/codec/jpeg.c
index 58ebeb239..13b1fbcdc 100644
--- a/libfreerdp/codec/jpeg.c
+++ b/libfreerdp/codec/jpeg.c
@@ -23,8 +23,11 @@
 
 #include <freerdp/utils/stream.h>
 #include <freerdp/utils/memory.h>
+
 #include <freerdp/codec/color.h>
 
+#include <freerdp/codec/jpeg.h>
+
 #ifdef WITH_JPEG
 
 #define XMD_H
@@ -122,8 +125,7 @@ do_decompress(char* comp_data, int comp_data_bytes,
 }
 
 /* jpeg decompress */
-BOOL
-jpeg_decompress(BYTE * input, BYTE * output, int width, int height, int size, int bpp)
+BOOL jpeg_decompress(BYTE* input, BYTE* output, int width, int height, int size, int bpp)
 {
 	int lwidth;
 	int lheight;
@@ -149,8 +151,7 @@ jpeg_decompress(BYTE * input, BYTE * output, int width, int height, int size, in
 
 #else
 
-BOOL
-jpeg_decompress(BYTE * input, BYTE * output, int width, int height, int size, int bpp)
+BOOL jpeg_decompress(BYTE* input, BYTE* output, int width, int height, int size, int bpp)
 {
 	return 0;
 }
diff --git a/winpr/include/winpr/file.h b/winpr/include/winpr/file.h
index a25f5d85b..1f205e778 100644
--- a/winpr/include/winpr/file.h
+++ b/winpr/include/winpr/file.h
@@ -243,18 +243,18 @@ WINPR_API BOOL UnlockFile(HANDLE hFile, DWORD dwFileOffsetLow, DWORD dwFileOffse
 WINPR_API BOOL UnlockFileEx(HANDLE hFile, DWORD dwReserved, DWORD nNumberOfBytesToUnlockLow,
 		DWORD nNumberOfBytesToUnlockHigh, LPOVERLAPPED lpOverlapped);
 
-HANDLE FindFirstFileA(LPCSTR lpFileName, LPWIN32_FIND_DATAA lpFindFileData);
-HANDLE FindFirstFileW(LPCWSTR lpFileName, LPWIN32_FIND_DATAW lpFindFileData);
+WINPR_API HANDLE FindFirstFileA(LPCSTR lpFileName, LPWIN32_FIND_DATAA lpFindFileData);
+WINPR_API HANDLE FindFirstFileW(LPCWSTR lpFileName, LPWIN32_FIND_DATAW lpFindFileData);
 
-HANDLE FindFirstFileExA(LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId, LPVOID lpFindFileData,
+WINPR_API HANDLE FindFirstFileExA(LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId, LPVOID lpFindFileData,
 		FINDEX_SEARCH_OPS fSearchOp, LPVOID lpSearchFilter, DWORD dwAdditionalFlags);
-HANDLE FindFirstFileExW(LPCWSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId, LPVOID lpFindFileData,
+WINPR_API HANDLE FindFirstFileExW(LPCWSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId, LPVOID lpFindFileData,
 		FINDEX_SEARCH_OPS fSearchOp, LPVOID lpSearchFilter, DWORD dwAdditionalFlags);
 
-BOOL FindNextFileA(HANDLE hFindFile, LPWIN32_FIND_DATAA lpFindFileData);
-BOOL FindNextFileW(HANDLE hFindFile, LPWIN32_FIND_DATAW lpFindFileData);
+WINPR_API BOOL FindNextFileA(HANDLE hFindFile, LPWIN32_FIND_DATAA lpFindFileData);
+WINPR_API BOOL FindNextFileW(HANDLE hFindFile, LPWIN32_FIND_DATAW lpFindFileData);
 
-BOOL FindClose(HANDLE hFindFile);
+WINPR_API BOOL FindClose(HANDLE hFindFile);
 
 #ifdef UNICODE
 #define CreateFile		CreateFileW
diff --git a/winpr/include/winpr/sspi.h b/winpr/include/winpr/sspi.h
index 6320472e8..1f1194b84 100644
--- a/winpr/include/winpr/sspi.h
+++ b/winpr/include/winpr/sspi.h
@@ -905,8 +905,8 @@ typedef PSecurityFunctionTableW (SEC_ENTRY * INIT_SECURITY_INTERFACE_W)(void);
 WINPR_API SECURITY_STATUS SEC_ENTRY EnumerateSecurityPackagesA(ULONG* pcPackages, PSecPkgInfoA* ppPackageInfo);
 WINPR_API SECURITY_STATUS SEC_ENTRY EnumerateSecurityPackagesW(ULONG* pcPackages, PSecPkgInfoW* ppPackageInfo);
 
-PSecurityFunctionTableA SEC_ENTRY InitSecurityInterfaceA(void);
-PSecurityFunctionTableW SEC_ENTRY InitSecurityInterfaceW(void);
+WINPR_API PSecurityFunctionTableA SEC_ENTRY InitSecurityInterfaceA(void);
+WINPR_API PSecurityFunctionTableW SEC_ENTRY InitSecurityInterfaceW(void);
 
 WINPR_API SECURITY_STATUS SEC_ENTRY QuerySecurityPackageInfoA(SEC_CHAR* pszPackageName, PSecPkgInfoA* ppPackageInfo);
 WINPR_API SECURITY_STATUS SEC_ENTRY QuerySecurityPackageInfoW(SEC_WCHAR* pszPackageName, PSecPkgInfoW* ppPackageInfo);
diff --git a/winpr/libwinpr/file/test/TestFileFindFirstFile.c b/winpr/libwinpr/file/test/TestFileFindFirstFile.c
index 1e17e1a6f..ff39da9b2 100644
--- a/winpr/libwinpr/file/test/TestFileFindFirstFile.c
+++ b/winpr/libwinpr/file/test/TestFileFindFirstFile.c
@@ -7,8 +7,6 @@
 #include <winpr/windows.h>
 
 static TCHAR testFile1[] = _T("TestFile1");
-static TCHAR testFile2[] = _T("TestFile2");
-static TCHAR testFile3[] = _T("TestFile3");
 
 int TestFileFindFirstFile(int argc, char* argv[])
 {
diff --git a/winpr/libwinpr/library/test/TestLibraryA/CMakeLists.txt b/winpr/libwinpr/library/test/TestLibraryA/CMakeLists.txt
index f66d29a09..b02369682 100644
--- a/winpr/libwinpr/library/test/TestLibraryA/CMakeLists.txt
+++ b/winpr/libwinpr/library/test/TestLibraryA/CMakeLists.txt
@@ -27,7 +27,6 @@ endif()
 add_library(${MODULE_NAME} ${${MODULE_PREFIX}_SRCS})
 
 set_target_properties(${MODULE_NAME} PROPERTIES PREFIX "")
-
-set_target_properties(${MODULE_NAME} PROPERTIES PREFIX "${TEST_AREA}/${MODULE_NAME}/")
+set_target_properties(${MODULE_NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${TESTING_OUTPUT_DIRECTORY}/${TEST_AREA}/${MODULE_NAME}")
 
 set_property(TARGET ${MODULE_NAME} PROPERTY FOLDER "WinPR/Test/Extra")
diff --git a/winpr/libwinpr/library/test/TestLibraryB/CMakeLists.txt b/winpr/libwinpr/library/test/TestLibraryB/CMakeLists.txt
index 1c095d55b..45f4c70b8 100644
--- a/winpr/libwinpr/library/test/TestLibraryB/CMakeLists.txt
+++ b/winpr/libwinpr/library/test/TestLibraryB/CMakeLists.txt
@@ -27,7 +27,7 @@ endif()
 add_library(${MODULE_NAME} ${${MODULE_PREFIX}_SRCS})
 
 set_target_properties(${MODULE_NAME} PROPERTIES PREFIX "")
-
-set_target_properties(${MODULE_NAME} PROPERTIES PREFIX "${TEST_AREA}/${MODULE_NAME}/")
+set_target_properties(${MODULE_NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${TESTING_OUTPUT_DIRECTORY}/${TEST_AREA}/${MODULE_NAME}")
 
 set_property(TARGET ${MODULE_NAME} PROPERTY FOLDER "WinPR/Test/Extra")
+