find_package (Qt4 4.7 COMPONENTS QtCore QtGui QtWebKit)
find_package (QJSON)
-if (NOT WIN32)
- # Always use the bundled zlib and libpng sources on Windows to make it easy
- # to deploy the wrappers DLLs
- find_package (ZLIB)
- find_package (PNG)
-endif (NOT WIN32)
-
if (NOT WIN32)
find_package (X11 REQUIRED)
##############################################################################
# Bundled dependencies
+#
+# We always use the bundled zlib and libpng sources:
+# - on Windows to make it easy to deploy the wrappers DLLs
+# - on unices to prevent symbol collisions when tracing applications that link
+# against other versions of these libraries
-# Use bundled ZLIB if system one can't be found
-if (NOT ZLIB_FOUND)
- set (ZLIB_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/zlib)
- set (ZLIB_LIBRARIES zlib)
- add_subdirectory (zlib EXCLUDE_FROM_ALL)
-endif (NOT ZLIB_FOUND)
+set (ZLIB_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/zlib)
+set (ZLIB_LIBRARIES z_bundled)
+add_subdirectory (zlib EXCLUDE_FROM_ALL)
include_directories (${ZLIB_INCLUDE_DIRS})
link_libraries (${ZLIB_LIBRARIES})
-# Use bundled LIBPNG if system one can't be found
-if (PNG_FOUND)
-else (PNG_FOUND)
- set (PNG_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/libpng)
- set (PNG_DEFINITIONS "")
- set (PNG_LIBRARIES png)
- add_subdirectory (libpng EXCLUDE_FROM_ALL)
-endif (PNG_FOUND)
+set (PNG_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/libpng)
+set (PNG_DEFINITIONS "")
+set (PNG_LIBRARIES png_bundled)
+
+add_subdirectory (libpng EXCLUDE_FROM_ALL)
include_directories (${PNG_INCLUDE_DIR})
add_definitions (${PNG_DEFINITIONS})
link_libraries (${PNG_LIBRARIES})
include_directories(${CMAKE_CURRENT_SOURCE_DIR})
-add_library (zlib STATIC
+add_library (z_bundled STATIC
adler32.c
compress.c
crc32.c
inffast.c
)
-set_target_properties (zlib PROPERTIES
+set_target_properties (z_bundled PROPERTIES
COMPILE_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS}"
)